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surgery</title> <meta name="description" content="Search results for: retina surgery"> <meta name="keywords" content="retina surgery"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="retina surgery"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 1127</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: retina surgery</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1127</span> Novel Algorithm for Restoration of Retina Images </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Subbuthai">P. Subbuthai</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Muruganand"> S. Muruganand</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Diabetic Retinopathy is one of the complicated diseases and it is caused by the changes in the blood vessels of the retina. Extraction of retina image through Fundus camera sometimes produced poor contrast and noises. Because of this noise, detection of blood vessels in the retina is very complicated. So preprocessing is needed, in this paper, a novel algorithm is implemented to remove the noisy pixel in the retina image. The proposed algorithm is Extended Median Filter and it is applied to the green channel of the retina because green channel vessels are brighter than the background. Proposed extended median filter is compared with the existing standard median filter by performance metrics such as PSNR, MSE and RMSE. Experimental results show that the proposed Extended Median Filter algorithm gives a better result than the existing standard median filter in terms of noise suppression and detail preservation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fundus%20retina%20image" title="fundus retina image">fundus retina image</a>, <a href="https://publications.waset.org/abstracts/search?q=diabetic%20retinopathy" title=" diabetic retinopathy"> diabetic retinopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=median%20filter" title=" median filter"> median filter</a>, <a href="https://publications.waset.org/abstracts/search?q=microaneurysms" title=" microaneurysms"> microaneurysms</a>, <a href="https://publications.waset.org/abstracts/search?q=exudates" title=" exudates"> exudates</a> </p> <a href="https://publications.waset.org/abstracts/20819/novel-algorithm-for-restoration-of-retina-images" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20819.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">342</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1126</span> Effects of Valproate on Vascular Endothelial Growth Factor in the Retina Associated with Choroidal Neovascularization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhang%20Zhenzhen">Zhang Zhenzhen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Valproate (VPA) is commonly used in the treatment of bipolar disorder and epilepsy. The mechanism is complicated, including its ability to inhibit histone deacetylases (HDACs). Here, we show that VPA attenuated VEGF gene expression and the morphological changes in choroidal neovascularization (CNV) induced by photocoagulation in retina. C57BL/6 mice were injected subcutaneously at 300mg/kg twice daily with VPA before insult. Vascular endothelial growth factor (VEGF)-A and VEGF-B were examined in the eyes of VPA-treated mice and in human retinal pigment epithelial cell lines (ARPE-19) exposed to VPA. In addition, CNV was induced by photocoagulation in mice injected with VPA, and the volume of CNV was compared by fluorescence-labeled choroidal flat mount. Morphological changes were analyzed on stained histological sections. Western blot analysis was used to determine protein levels of VEGF-A and VEGF-B, and acetylation of histone H3 in each group. VPA injected intraperitoneally attenuated the VEGF-A and VEGF-B expression in the retina, accompanied by the hyperacetylation of retina tissue, indicating that VPA acts directly on retina tissues through acetylation to reduce the expression of VEGF. VPA also attenuated the VEGF-A mRNA expression in the retinal pigment epithelium showed by immunohistochemistry. Moreover, the administration of VPA significantly attenuated photocoagulation-induced CNV in mice. These results demonstrate that VPA attenuated VEGF production in retina associated with choroidal neovascularization possibly via the HDAC inhibition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=retina" title="retina">retina</a>, <a href="https://publications.waset.org/abstracts/search?q=acetylation" title=" acetylation"> acetylation</a>, <a href="https://publications.waset.org/abstracts/search?q=chorodial%20neovascularization" title=" chorodial neovascularization"> chorodial neovascularization</a>, <a href="https://publications.waset.org/abstracts/search?q=vascular%20endothelial%20growth%20factor" title=" vascular endothelial growth factor"> vascular endothelial growth factor</a> </p> <a href="https://publications.waset.org/abstracts/75023/effects-of-valproate-on-vascular-endothelial-growth-factor-in-the-retina-associated-with-choroidal-neovascularization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75023.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">204</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1125</span> Numerical Investigation of Fluid Outflow through a Retinal Hole after Scleral Buckling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20Walczak">T. Walczak</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20K.%20Grabski"> J. K. Grabski</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Fritzkowski"> P. Fritzkowski</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Stopa"> M. Stopa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives of the study are i) to perform numerical simulations that permit an analysis of the dynamics of subretinal fluid when an implant has induced scleral intussusception and ii) assess the impact of the physical parameters of the model on the flow rate. Computer simulations were created using finite element method (FEM) based on a model that takes into account the interaction of a viscous fluid (subretinal fluid) with a hyperelastic body (retina). The purpose of the calculation was to investigate the dependence of the flow rate of subretinal fluid through a hole in the retina on different factors such as viscosity of subretinal fluid, material parameters of the retina, and the offset of the implant from the retina’s hole. These simulations were performed for different speeds of eye movement that reflect the behavior of the eye when reading, REM, and saccadic movements. Similar to other works in the field of subretinal fluid flow, it was assumed stationary, single sided, forced fluid flow in the considered area simulating the subretinal space. Additionally, a hyperelastic material model of the retina and parameterized geometry of the considered model was adopted. The calculations also examined the influence the direction of the force of gravity due to the position of the patient’s head on the trend of outflow of fluid. The simulations revealed that fluid outflow from the retina becomes significant with eyeball movement speed of 100°/sec. This speed is greater than in the case of reading but is four times less than saccadic movement. The increase of viscosity of the fluid increased beneficial effect. Further, the simulation results suggest that moderate eye movement speed is optimal and that the conventional prescription of the avoidance of routine eye movement following retinal detachment surgery should be relaxed. Additionally, to verify numerical results, some calculations were repeated with use of meshless method (method of fundamental solutions), which is relatively fast and easy to implement. The paper has been supported by 02/21/DSPB/3477 grant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD%20simulations" title="CFD simulations">CFD simulations</a>, <a href="https://publications.waset.org/abstracts/search?q=FEM%20analysis" title=" FEM analysis"> FEM analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=meshless%20method" title=" meshless method"> meshless method</a>, <a href="https://publications.waset.org/abstracts/search?q=retinal%20detachment" title=" retinal detachment"> retinal detachment</a> </p> <a href="https://publications.waset.org/abstracts/67590/numerical-investigation-of-fluid-outflow-through-a-retinal-hole-after-scleral-buckling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67590.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">343</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1124</span> Retina Registration for Biometrics Based on Characterization of Retinal Feature Points</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nougrara%20Zineb">Nougrara Zineb</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The unique structure of the blood vessels in the retina has been used for biometric identification. The retina blood vessel pattern is a unique pattern in each individual and it is almost impossible to forge that pattern in a false individual. The retina biometrics’ advantages include high distinctiveness, universality, and stability overtime of the blood vessel pattern. Once the creases have been extracted from the images, a registration stage is necessary, since the position of the retinal vessel structure could change between acquisitions due to the movements of the eye. Image registration consists of following steps: Feature detection, feature matching, transform model estimation and image resembling and transformation. In this paper, we present an algorithm of registration; it is based on the characterization of retinal feature points. For experiments, retinal images from the DRIVE database have been tested. The proposed methodology achieves good results for registration in general. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fovea" title="fovea">fovea</a>, <a href="https://publications.waset.org/abstracts/search?q=optic%20disc" title=" optic disc"> optic disc</a>, <a href="https://publications.waset.org/abstracts/search?q=registration" title=" registration"> registration</a>, <a href="https://publications.waset.org/abstracts/search?q=retinal%20images" title=" retinal images"> retinal images</a> </p> <a href="https://publications.waset.org/abstracts/72438/retina-registration-for-biometrics-based-on-characterization-of-retinal-feature-points" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72438.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">266</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1123</span> Similarity Based Retrieval in Case Based Reasoning for Analysis of Medical Images</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Dasgupta">M. Dasgupta</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Banerjee"> S. Banerjee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Content Based Image Retrieval (CBIR) coupled with Case Based Reasoning (CBR) is a paradigm that is becoming increasingly popular in the diagnosis and therapy planning of medical ailments utilizing the digital content of medical images. This paper presents a survey of some of the promising approaches used in the detection of abnormalities in retina images as well in mammographic screening and detection of regions of interest in MRI scans of the brain. We also describe our proposed algorithm to detect hard exudates in fundus images of the retina of Diabetic Retinopathy patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=case%20based%20reasoning" title="case based reasoning">case based reasoning</a>, <a href="https://publications.waset.org/abstracts/search?q=exudates" title=" exudates"> exudates</a>, <a href="https://publications.waset.org/abstracts/search?q=retina%20image" title=" retina image"> retina image</a>, <a href="https://publications.waset.org/abstracts/search?q=similarity%20based%20retrieval" title=" similarity based retrieval"> similarity based retrieval</a> </p> <a href="https://publications.waset.org/abstracts/2992/similarity-based-retrieval-in-case-based-reasoning-for-analysis-of-medical-images" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2992.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">348</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1122</span> Genistein Treatment Confers Protection Against Gliopathy & Vasculopathy of the Diabetic Retina in Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanaa%20AM%20Elgayar">Sanaa AM Elgayar</a>, <a href="https://publications.waset.org/abstracts/search?q=Sohair%20A%20Eltony"> Sohair A Eltony</a>, <a href="https://publications.waset.org/abstracts/search?q=Maha%20Mahmoud%20Abd%20El%20Rouf"> Maha Mahmoud Abd El Rouf </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Retinopathy remains an important complication of diabetes. Aim of work: This work was carried out to evaluate the protective effects of genistein from diabetic retinopathy in rat. Material and Methods: Fifteen adult male albino rats were divided into two groups; Group I: control (n=5) and Group II: streptozotocin induced diabetic group (n=10), which is equally divided into two subgroups; IIa (diabetic vehicle control) and IIb (diabetic genistein-treated). Specimens were taken from the retina 12 weeks post induction, processed and examined using light, immunohistochemical, ultrastructural techniques. Blood samples were assayed for the levels of glucose. Results: In comparison with the diabetic non-treated group, the histological changes in macro and microglial glial cells reactivity and retinal blood capillaries were improved in genistein-treated groups. In addition, GFAP and iNOS expressions in the retina and the blood glucose level were reduced. Conclusion: Genistein ameliorates the histological changes of diabetic retinopathy reaching healing features, which resemble that of a normal retina. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diabetic%20retinopathy" title="diabetic retinopathy">diabetic retinopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=genistein" title=" genistein"> genistein</a>, <a href="https://publications.waset.org/abstracts/search?q=glia" title=" glia"> glia</a>, <a href="https://publications.waset.org/abstracts/search?q=capillaries." title=" capillaries."> capillaries.</a> </p> <a href="https://publications.waset.org/abstracts/27203/genistein-treatment-confers-protection-against-gliopathy-vasculopathy-of-the-diabetic-retina-in-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27203.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">315</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1121</span> Clinical Characteristics of Retinal Detachment Associated with Atopic Dermatitis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyoung%20Seok%20Kim">Hyoung Seok Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: To evaluate the clinical characteristics and surgical outcomes of retinal detachment associated with atopic dermatitis. Methods: A retrospective investigation of clinical notes of 37 patients with retinal detachment associated with atopic dermatitis was conducted from January 2019 to December 2023. Initial visual acuity, medical history, type of retinal detachment, number of tears, types of treatment, success rate of treatment, and presence of cataract were investigated. To evaluate the relationship with cataract, the patients were classified into three groups according to lens status: group A (eyes with clear lens), group B (eyes with cataract), and group C (pseudophakic eyes). Results: Of the 37 patients, 29 were male and 8 were female; 10 patients had bilateral retinal detachment (27.0%). The retinal breaks were often located temporally (89.4%), with only 5 cases (10.6%) involving nasal-side retinal breaks. No significant differ ences were noted in the ratio of males to females, age distribution, visual acuity before and after treatments, axial length, and lo cation of retina breaks among the three groups. After primary surgery, retinal detachment recurred in 12 patients (14 eyes), 5 of whom were initially diagnosed with bilateral retinal detachment. In addition, 12 of 14 eyes underwent a second operation, in which detachment recurred in 3 eyes. Conclusions: Incidence of bilateral retinal detachment was high in patients with atopic dermatitis, and the retinal breaks were of ten found on the temporal side. Retinal re-detachment was statistically high in patients with cataract or pseudophakic eyes com pared to patients with clear lens (p = 0.024). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=retinal%20detachment" title="retinal detachment">retinal detachment</a>, <a href="https://publications.waset.org/abstracts/search?q=atopic%20dermatitis" title=" atopic dermatitis"> atopic dermatitis</a>, <a href="https://publications.waset.org/abstracts/search?q=cataract" title=" cataract"> cataract</a>, <a href="https://publications.waset.org/abstracts/search?q=retina%20surgery" title=" retina surgery"> retina surgery</a> </p> <a href="https://publications.waset.org/abstracts/191109/clinical-characteristics-of-retinal-detachment-associated-with-atopic-dermatitis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/191109.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">19</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1120</span> Multimodal Database of Retina Images for Africa: The First Open Access Digital Repository for Retina Images in Sub Saharan Africa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Simon%20Arunga">Simon Arunga</a>, <a href="https://publications.waset.org/abstracts/search?q=Teddy%20Kwaga"> Teddy Kwaga</a>, <a href="https://publications.waset.org/abstracts/search?q=Rita%20Kageni"> Rita Kageni</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Gichangi"> Michael Gichangi</a>, <a href="https://publications.waset.org/abstracts/search?q=Nyawira%20Mwangi"> Nyawira Mwangi</a>, <a href="https://publications.waset.org/abstracts/search?q=Fred%20Kagwa"> Fred Kagwa</a>, <a href="https://publications.waset.org/abstracts/search?q=Rogers%20Mwavu"> Rogers Mwavu</a>, <a href="https://publications.waset.org/abstracts/search?q=Amos%20Baryashaba"> Amos Baryashaba</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20F.%20Nakayama"> Luis F. Nakayama</a>, <a href="https://publications.waset.org/abstracts/search?q=Katharine%20Morley"> Katharine Morley</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Morley"> Michael Morley</a>, <a href="https://publications.waset.org/abstracts/search?q=Leo%20A.%20Celi"> Leo A. Celi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jessica%20Haberer"> Jessica Haberer</a>, <a href="https://publications.waset.org/abstracts/search?q=Celestino%20Obua"> Celestino Obua</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: The main aim for creating the Multimodal Database of Retinal Images for Africa (MoDRIA) was to provide a publicly available repository of retinal images for responsible researchers to conduct algorithm development in a bid to curb the challenges of ophthalmic artificial intelligence (AI) in Africa. Methods: Data and retina images were ethically sourced from sites in Uganda and Kenya. Data on medical history, visual acuity, ocular examination, blood pressure, and blood sugar were collected. Retina images were captured using fundus cameras (Foru3-nethra and Canon CR-Mark-1). Images were stored on a secure online database. Results: The database consists of 7,859 retinal images in portable network graphics format from 1,988 participants. Images from patients with human immunodeficiency virus were 18.9%, 18.2% of images were from hypertensive patients, 12.8% from diabetic patients, and the rest from normal’ participants. Conclusion: Publicly available data repositories are a valuable asset in the development of AI technology. Therefore, is a need for the expansion of MoDRIA so as to provide larger datasets that are more representative of Sub-Saharan data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=retina%20images" title="retina images">retina images</a>, <a href="https://publications.waset.org/abstracts/search?q=MoDRIA" title=" MoDRIA"> MoDRIA</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20repository" title=" image repository"> image repository</a>, <a href="https://publications.waset.org/abstracts/search?q=African%20database" title=" African database"> African database</a> </p> <a href="https://publications.waset.org/abstracts/169515/multimodal-database-of-retina-images-for-africa-the-first-open-access-digital-repository-for-retina-images-in-sub-saharan-africa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169515.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">127</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1119</span> Preventive Effects of Silymarin in Retinal Intoxication with Methanol in Rat: Transmission Electron Microscope Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Zarenezhad">A. Zarenezhad</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Esfandiari"> A. Esfandiari</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Zarenezhad"> E. Zarenezhad</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Mardkhoshnood"> M. Mardkhoshnood </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to investigate the ultra-structure of the photoreceptor layer of male rats under the effect of methanol intoxication and protective effect of silymarin against the methanol toxicity. Fifteen adult male rats were divided into three groups: Control group, Experimental group I (received 4g/kg methanol by intraperitoneal injection for five days), Experimental group II (received 4 g/kg methanol by intraperitoneal injection for five days and received 250 mg/kg silymarin orally for three months). At the end of the experiment, the eyes were removed; retina was separated near the optic disc and studied by transmission electron microscope. Results showed that the retina in the experimental group I exhibited loss of outer segments and disorganization in inner segment. Increased extra cellular space, disappearance of outer limiting membrane and pyknotic nuclei were seen in this group. But normal outer segment, organized inner segment and normal outer limiting membrane were obvious after treatment with silymarin in experimental group II. These findings show that methanol causes damage in the photoreceptor layer of the rat retina and silymarin can protect the damage to retina against the methanol intoxication. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ultra-structure" title="ultra-structure">ultra-structure</a>, <a href="https://publications.waset.org/abstracts/search?q=photoreceptor%20layer" title=" photoreceptor layer"> photoreceptor layer</a>, <a href="https://publications.waset.org/abstracts/search?q=methanol%20intoxication" title=" methanol intoxication"> methanol intoxication</a>, <a href="https://publications.waset.org/abstracts/search?q=silymarin" title=" silymarin"> silymarin</a>, <a href="https://publications.waset.org/abstracts/search?q=rat" title=" rat"> rat</a> </p> <a href="https://publications.waset.org/abstracts/36780/preventive-effects-of-silymarin-in-retinal-intoxication-with-methanol-in-rat-transmission-electron-microscope-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36780.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">292</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1118</span> BSYJ Promoting Homing and Differentiation of Mesenchymal Stem Cells at the Retina of Age-Related Macular Degeneration Model Mice Induced by Sodium Iodate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lina%20Liang">Lina Liang</a>, <a href="https://publications.waset.org/abstracts/search?q=Kai%20Xu"> Kai Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Jing%20Zhang"> Jing Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: Age-related macular degeneration (AMD) is a major leading cause of visual impairment and blindness with no cure currently established. Cell replacement is discussed as a potential therapy for AMD. Besides intravitreal injection and subretinal injection, intravenous administration has been explored as an alternative route. This study is to observe the effect of BSYJ, a traditional Chinese medicine on the homing and differentiation of mesenchymal stem cells transplanted via tail vein injection in an age-related macular degeneration mouse model. Methods: Four-week-old C57BL/6J mice were injected with 40 mg/kg NaIO₃ to induce age-related macular degeneration model. At the second day after NaIO₃ injection, 1×10⁷ GFP labeled bone marrow-derived mesenchymal stem cells (GFP-MSCs) were transplanted via tali vein injection into the experimental mice. Then the mice were randomly divided into two groups, gavaged with either BSYJ solution (BSYJ group, n=12) or distilled water (DW group, n=12). 12 age-matched healthy C57BL/6J mice were fed regularly as normal control. At day 7, day 14, and day 28 after treatment, retina flat mounting was used to detect the homing of mesenchymal stem cells at the retina. Double-labeling immunofluorescence was used to determine the differentiation of mesenchymal stem cells. Results: At 7, 14, 28 days after treatment, the numbers of GFP-MSCs detected by retina flatmount were 10.2 ± 2.5, 14.5 ± 3.4 and 18.7 ± 5.8, respectively in the distilled water group, while 15.7 ± 3.8, 32.3 ± 3.5 and 77.3 ± 6.4 in BSYJ group, the differences between the two groups were significant (p < 0.05). At 28 days after treatment, it was shown by double staining immunofluorescence that there were more GFP positive cells in the retina of BSYJ group than that of the DW group, but none of the cells expressed RPE specific genes such as RPE65 and CRALBP, or photoreceptor genes such as recoverin and rhodopsin either in BSYJ group or DW group. However, GFAP positive cells were found among the cells labeled with GFP, and the double labeling cells were much more in the BSYJ group than the distilled water group. Conclusion: BSYJ could promote homing of mesenchymal stem cells at the retina of age-related macular degeneration model mice induced by NaIO₃, and the differentiation towards to glial cells. Acknowledgement: National Natural Foundation of China (No: 81473736, 81674033,81973912). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=BSYJ" title="BSYJ">BSYJ</a>, <a href="https://publications.waset.org/abstracts/search?q=differentiation" title=" differentiation"> differentiation</a>, <a href="https://publications.waset.org/abstracts/search?q=homing" title=" homing"> homing</a>, <a href="https://publications.waset.org/abstracts/search?q=mesenchymal%20stem%20cells" title=" mesenchymal stem cells"> mesenchymal stem cells</a> </p> <a href="https://publications.waset.org/abstracts/117418/bsyj-promoting-homing-and-differentiation-of-mesenchymal-stem-cells-at-the-retina-of-age-related-macular-degeneration-model-mice-induced-by-sodium-iodate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/117418.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">144</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1117</span> Visual Outcome After 360-Degree Retinectomy in Total Rhegmatogenous Retinal Detachment with Advanced Proliferative Vitreoretinopathy: A Case Series</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andriati%20Nadhilah%20Widyarini">Andriati Nadhilah Widyarini</a>, <a href="https://publications.waset.org/abstracts/search?q=Ezra%20Margareth"> Ezra Margareth</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Rhegmatogenous retinal detachment is a condition where there’s a break in the retina, which allows the vitreous to directly enter the subretinal space. Proliferative vitreoretinopathy (PVR) may develop due to this condition and can result in a new break, which could cause traction on the previously detached retina. Various methods of therapy can be done to treat this complication. Case: This case series involved 2 eyes of 2 patients who had total retinal detachment with advanced PVR. Pars plana vitrectomy was performed, and a 360-degree retinectomy procedure with perfluorocarbon liquid usage was done. This was followed by endo laser retinopexy to surround the border of retinectomy. 5000 cs silicone oil was used in 1 eye, whereas 12% of perfluoropropane gas was used in the other eye as a tamponade. These procedures were performed with meticulous attention to prevent any fluid from entering the subretinal space. Postoperative examination showed attachment of the retina and improvement of the patient’s visual acuity. Both eyes’ intraocular pressure was in the normal range. One eye developed retinal displacement, but no other complications occurred. Discussion: Rhegmatogenous retinal detachment with advanced PVR is a complex situation for vitreoretinal surgeons. PVR is characterized by the growth and migration of preretinal or subretinal membranes. PVR is the most common cause of retinal reattachment failure. A 360-degree retinectomy is an alternative surgical method to overcome this condition. Objectives of this procedure are releasing retinal traction caused by PVR, reducing the recurrence rate of PVR, and reattaching the retina to the pigment epithelial surface. Conclusion: 360-degree retinectomy provides satisfactory retinal reattachment and visual outcome improvement in rhegmatogenous retinal detachment with advanced PVR. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=RRD" title="RRD">RRD</a>, <a href="https://publications.waset.org/abstracts/search?q=retinectomy" title=" retinectomy"> retinectomy</a>, <a href="https://publications.waset.org/abstracts/search?q=pars%20plana" title=" pars plana"> pars plana</a>, <a href="https://publications.waset.org/abstracts/search?q=advanced%20PVR" title=" advanced PVR"> advanced PVR</a> </p> <a href="https://publications.waset.org/abstracts/181173/visual-outcome-after-360-degree-retinectomy-in-total-rhegmatogenous-retinal-detachment-with-advanced-proliferative-vitreoretinopathy-a-case-series" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/181173.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">47</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1116</span> Morphology Operation and Discrete Wavelet Transform for Blood Vessels Segmentation in Retina Fundus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rita%20Magdalena">Rita Magdalena</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20K.%20Caecar%20Pratiwi"> N. K. Caecar Pratiwi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yunendah%20Nur%20Fuadah"> Yunendah Nur Fuadah</a>, <a href="https://publications.waset.org/abstracts/search?q=Sofia%20Saidah"> Sofia Saidah</a>, <a href="https://publications.waset.org/abstracts/search?q=Bima%20Sakti"> Bima Sakti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Vessel segmentation of retinal fundus is important for biomedical sciences in diagnosing ailments related to the eye. Segmentation can simplify medical experts in diagnosing retinal fundus image state. Therefore, in this study, we designed a software using MATLAB which enables the segmentation of the retinal blood vessels on retinal fundus images. There are two main steps in the process of segmentation. The first step is image preprocessing that aims to improve the quality of the image to be optimum segmented. The second step is the image segmentation in order to perform the extraction process to retrieve the retina’s blood vessel from the eye fundus image. The image segmentation methods that will be analyzed in this study are Morphology Operation, Discrete Wavelet Transform and combination of both. The amount of data that used in this project is 40 for the retinal image and 40 for manually segmentation image. After doing some testing scenarios, the average accuracy for Morphology Operation method is 88.46 % while for Discrete Wavelet Transform is 89.28 %. By combining the two methods mentioned in later, the average accuracy was increased to 89.53 %. The result of this study is an image processing system that can segment the blood vessels in retinal fundus with high accuracy and low computation time. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=discrete%20wavelet%20transform" title="discrete wavelet transform">discrete wavelet transform</a>, <a href="https://publications.waset.org/abstracts/search?q=fundus%20retina" title=" fundus retina"> fundus retina</a>, <a href="https://publications.waset.org/abstracts/search?q=morphology%20operation" title=" morphology operation"> morphology operation</a>, <a href="https://publications.waset.org/abstracts/search?q=segmentation" title=" segmentation"> segmentation</a>, <a href="https://publications.waset.org/abstracts/search?q=vessel" title=" vessel"> vessel</a> </p> <a href="https://publications.waset.org/abstracts/105620/morphology-operation-and-discrete-wavelet-transform-for-blood-vessels-segmentation-in-retina-fundus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105620.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">195</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1115</span> Arginase Activity and Nitric Oxide Levels in Patients Undergoing Open Heart Surgery with Cardiopulmonary Bypass</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Ali%20Kisa%C3%A7am">Mehmet Ali Kisaçam</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Sema%20Temizer%20Ozan"> P. Sema Temizer Ozan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ay%C5%9Fe%20Do%C4%9Fan"> Ayşe Doğan</a>, <a href="https://publications.waset.org/abstracts/search?q=Gonca%20Ozan"> Gonca Ozan</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Sarper%20T%C3%BCrker"> F. Sarper Türker</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cardiovascular disease which is one of the most common health problems worldwide has crucial importance because of its’ morbidity and mortality rates. Nitric oxide synthase and arginase use L-arginine as a substrate and produce nitric oxide (NO), citrulline and urea, ornithine respectively. Endothelial dysfunction is characterized by reduced bioavailability of vasodilator and anti-inflammatory molecule NO. The purpose of the study to assess endothelial function via arginase activity and NO levels in patients undergoing coronary artery bypass grafting (CABG) surgery. The study was conducted on 26 patients (14 male, 12 female) undergoing CABG surgery. Blood samples were collected from the subjects before surgery, after the termination and after 24 hours of the surgery. Arginase activity and NO levels measured in collected samples spectrophotometrically. Arginase activity decreased significantly in subjects after the termination of the surgery compared to before surgery data. 24 hours after the surgery there wasn’t any significance in arginase activity as it compared to before surgery and after the termination of the surgery. On the other hand, NO levels increased significantly in the subject after the termination of the surgery. However there was no significant increase in NO levels after 24 hours of the surgery, but there was an insignificant increase compared to before surgery data. The results indicate that after the termination of the surgery vascular and endothelial function improved and after 24 hours of the surgery arginase activity and NO levels returned to normal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=arginase" title="arginase">arginase</a>, <a href="https://publications.waset.org/abstracts/search?q=bypass" title=" bypass"> bypass</a>, <a href="https://publications.waset.org/abstracts/search?q=cordiopulmonary" title=" cordiopulmonary"> cordiopulmonary</a>, <a href="https://publications.waset.org/abstracts/search?q=nitric%20oxide" title=" nitric oxide"> nitric oxide</a> </p> <a href="https://publications.waset.org/abstracts/74877/arginase-activity-and-nitric-oxide-levels-in-patients-undergoing-open-heart-surgery-with-cardiopulmonary-bypass" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74877.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">205</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1114</span> Late Presentation of Pseudophakic Macula Edema from Oral Kinase Inhibitors: A Case and Literature Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christolyn%20%20Raj">Christolyn Raj</a>, <a href="https://publications.waset.org/abstracts/search?q=Lewis%20Levitz"> Lewis Levitz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Two cases of late presentation ( > five years ) of bilateral pseudophakic macula edema related to oral tyrosine kinase inhibitors are described. These cases are the first of their type in the published literature. A review of ocular inflammatory complications of tyrosine kinase inhibitors in the current literature is explored. Case Presentations(s): Case 1 is an 83-year-old female who has been stable on Ibrutinib (Imbruvica ®) for chronic lymphocytic leukemia (CLL). She presented with bilateral blurred vision from severe cystoid macula edema seven years following routine cataract surgery. She was treated with intravitreal steroids with complete resolution without relapse. Case 2 is a 76-year-old female who was on therapy for polycythemia vera with Ruxolitinib (Jakafi®). She presented with bilateral blurred vision from mild cystoid macula edema six years following routine cataract surgery. She responded well to topical steroids without relapse. In both cases, oral tyrosine kinase inhibitor agents were presumed to be the underlying cause and were ceased. Over the last five years, there have been increasing reports in the literature of the inflammatory effects of tyrosine kinase inhibitors on the retina, uvea and optic nerve. Conclusion: Late presentation of pseudophakic macula edema following routine cataract surgery is rare. Such presentations should prompt investigation of the chronic use of systemic medications, especially oral kinase inhibitors. Patients who must remain on these agents require ongoing ophthalmologic assessment in view of their long-term inflammatory side effects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=macula%20edema" title="macula edema">macula edema</a>, <a href="https://publications.waset.org/abstracts/search?q=oral%20kinase%20inhibitors" title=" oral kinase inhibitors"> oral kinase inhibitors</a>, <a href="https://publications.waset.org/abstracts/search?q=retinal%20toxicity" title=" retinal toxicity"> retinal toxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudo-phakia" title=" pseudo-phakia"> pseudo-phakia</a> </p> <a href="https://publications.waset.org/abstracts/178802/late-presentation-of-pseudophakic-macula-edema-from-oral-kinase-inhibitors-a-case-and-literature-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/178802.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">96</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1113</span> A Strategy Therapy for Retinitis Pigmentosa Induced by Argon Laser in Rabbits by High Dose Adult Stem Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hager%20E.%20Amer">Hager E. Amer</a>, <a href="https://publications.waset.org/abstracts/search?q=Hany%20El%20Saftawy"> Hany El Saftawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Laila%20Rashed"> Laila Rashed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Ata"> Ahmed M. Ata</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatma%20Metwally"> Fatma Metwally</a>, <a href="https://publications.waset.org/abstracts/search?q=Hesham%20Mettawei"> Hesham Mettawei</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossam%20E.%20Sayed"> Hossam E. Sayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20Adel"> Tamer Adel</a>, <a href="https://publications.waset.org/abstracts/search?q=Kareem%20M.%20El%20Sawah"> Kareem M. El Sawah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: The purpose of this study is to regenerate the damaged photoreceptor cells as a result of argon laser as a model of Retinitis Pigmentosa in rabbits' retina by using adult stem cells from rabbits' bone marrow. Background: Retinitis pigmentosa (RP) is a group of inherited disorders that primarily affect photoreceptor and pigment epithelium function. RP leads to loss of the rod outer segment and shorten the photoreceptor layer and expose the photoreceptor cell body to high-pressure levels in oxygen (oxidative stress) leads to apoptosis to the rod and cone cells. In particular, there is no specific treatment for retinitis pigmentosa. Materials and Methods: Forty Two Giant (Rex) rabbits were used in this experiment divided into 3 groups: Group 1: Control (6 rabbits), Group 2: Argon laser radiated as a model of retinitis pigmentosa (12 rabbits), Group 3: Laser radiated and treated by 6 million stem cells (12 rabbits). The last two groups are divided each into two subgroups each subgroup contains 6 rabbits, the ophthalmological examination was performed on rabbits, blood samples and retina samples were taken after 25 days and after 36 days from the laser radiation (10 days and 21 days after stem cells insertion in group 3) to perform the biochemical analysis. Results: Compared to control Group, a decrease of ERG wave amplitude and antioxidant substances (Glutathione) in blood and retina in group 2, and an increase of oxidative stress substances (Nitric oxide, Malonaldehyde, and carponyl protein) and apoptotic substances (Advanced glycation end product and M-metalloproteinase) in blood and retina. Compared to group 2, mostly increases of antioxidant substances and ERG wave amplitude in group 3, and mostly decreases in oxidative stress substances and apoptotic substances. Conclusion: Insertion of 6 million stem cells intravitreous gives good results in regeneration of the damaged photoreceptor cells after 21 days. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=retinitis%20pigmentosa" title="retinitis pigmentosa">retinitis pigmentosa</a>, <a href="https://publications.waset.org/abstracts/search?q=stem%20cells" title=" stem cells"> stem cells</a>, <a href="https://publications.waset.org/abstracts/search?q=argon%20laser" title=" argon laser"> argon laser</a>, <a href="https://publications.waset.org/abstracts/search?q=oxidative%20stress" title=" oxidative stress"> oxidative stress</a>, <a href="https://publications.waset.org/abstracts/search?q=apoptosis" title=" apoptosis"> apoptosis</a> </p> <a href="https://publications.waset.org/abstracts/54636/a-strategy-therapy-for-retinitis-pigmentosa-induced-by-argon-laser-in-rabbits-by-high-dose-adult-stem-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54636.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">198</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1112</span> Inhibition of Glutamate Carboxypeptidase Activity Protects Retinal Ganglionic Cell Death Induced by Ischemia-Reperfusion by Reducing the Astroglial Activation in Rat</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dugeree%20Otgongerel">Dugeree Otgongerel</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyong%20Jin%20Cho"> Kyong Jin Cho</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu-Han%20Kim"> Yu-Han Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sangmee%20Ahn%20Jo"> Sangmee Ahn Jo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Excessive activation of glutamate receptor is thought to be involved in retinal ganglion cell (RGC) death after ischemia- reperfusion damage. Glutamate carboxypeptidase II (GCPII) is an enzyme responsible for the synthesis of glutamate. Several studies showed that inhibition of GCPII prevents or reduces cellular damage in brain diseases. Thus, in this study, we examined the expression of GCPII in rat retina and the role of GCPII in acute high IOP ischemia-reperfusion damage of eye by using a GCPII inhibitor, 2-(phosphonomethyl) pentanedioic acid (2-PMPA). Animal model of ischemia-reperfusion was induced by raising the intraocular pressure for 60 min and followed by reperfusion for 3 days. Rats were randomly divided into four groups: either intra-vitreous injection of 2-PMPA (11 or 110 ng per eye) or PBS after ischemia-reperfusion, 2-PMPA treatment without ischemia-reperfusion and sham-operated normal control. GCPII immunoreactivity in normal rat retina was detected weakly in retinal nerve fiber layer (RNFL) and retinal ganglionic cell layer (RGL) and also inner plexiform layer (IPL) and outer plexiform layer (OPL) strongly where are co-stained with an anti-GFAP antibody, suggesting that GCPII is expressed mostly in Muller and astrocytes. Immunostaining with anti-BRN antibody showed that ischemia- reperfusion caused RGC death (31.5 %) and decreased retinal thickness in all layers of damaged retina, but the treatment of 2-PMPA twice at 0 and 48 hour after reperfusion blocked these retinal damages. GCPII level in RNFL layer was enhanced after ischemia-reperfusion but was blocked by PMPA treatment. This result was confirmed by western blot analysis showing that the level of GCPII protein after ischemia- reperfusion increased by 2.2- fold compared to control, but this increase was blocked almost completely by 110 ng PMPA treatment. Interestingly, GFAP immunoreactivity in the retina after ischemia- reperfusion followed by treatment with PMPA showed similar pattern to GCPII, increase after ischemia-reperfusion but reduction to the normal level by PMPA treatment. Our data demonstrate that increase of GCPII protein level after ischemia-reperfusion injury is likely to cause glial activation and/or retinal cell death which are mediated by glutamate, and GCPII inhibitors may be useful in treatment of retinal disorders in which glutamate excitotoxicity is pathogenic. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=glutamate%20carboxypepptidase%20II" title="glutamate carboxypepptidase II">glutamate carboxypepptidase II</a>, <a href="https://publications.waset.org/abstracts/search?q=glutamate%20excitotoxicity" title=" glutamate excitotoxicity"> glutamate excitotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=ischemia-reperfusion" title=" ischemia-reperfusion"> ischemia-reperfusion</a>, <a href="https://publications.waset.org/abstracts/search?q=retinal%20ganglion%20cell" title=" retinal ganglion cell"> retinal ganglion cell</a> </p> <a href="https://publications.waset.org/abstracts/39644/inhibition-of-glutamate-carboxypeptidase-activity-protects-retinal-ganglionic-cell-death-induced-by-ischemia-reperfusion-by-reducing-the-astroglial-activation-in-rat" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39644.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">340</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1111</span> Automatic Method for Exudates and Hemorrhages Detection from Fundus Retinal Images</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Biran">A. Biran</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Sobhe%20Bidari"> P. Sobhe Bidari</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Raahemifar"> K. Raahemifar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Diabetic Retinopathy (DR) is an eye disease that leads to blindness. The earliest signs of DR are the appearance of red and yellow lesions on the retina called hemorrhages and exudates. Early diagnosis of DR prevents from blindness; hence, many automated algorithms have been proposed to extract hemorrhages and exudates. In this paper, an automated algorithm is presented to extract hemorrhages and exudates separately from retinal fundus images using different image processing techniques including Circular Hough Transform (CHT), Contrast Limited Adaptive Histogram Equalization (CLAHE), Gabor filter and thresholding. Since Optic Disc is the same color as the exudates, it is first localized and detected. The presented method has been tested on fundus images from Structured Analysis of the Retina (STARE) and Digital Retinal Images for Vessel Extraction (DRIVE) databases by using MATLAB codes. The results show that this method is perfectly capable of detecting hard exudates and the highly probable soft exudates. It is also capable of detecting the hemorrhages and distinguishing them from blood vessels. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diabetic%20retinopathy" title="diabetic retinopathy">diabetic retinopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=fundus" title=" fundus"> fundus</a>, <a href="https://publications.waset.org/abstracts/search?q=CHT" title=" CHT"> CHT</a>, <a href="https://publications.waset.org/abstracts/search?q=exudates" title=" exudates"> exudates</a>, <a href="https://publications.waset.org/abstracts/search?q=hemorrhages" title=" hemorrhages"> hemorrhages</a> </p> <a href="https://publications.waset.org/abstracts/52591/automatic-method-for-exudates-and-hemorrhages-detection-from-fundus-retinal-images" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52591.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">272</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1110</span> Strabismus Management in Retinoblastoma Survivors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Babak%20Masoomian">Babak Masoomian</a>, <a href="https://publications.waset.org/abstracts/search?q=Masoud%20Khorrami%20Nejad"> Masoud Khorrami Nejad</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Riazi%20Esfahani"> Hamid Riazi Esfahani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: To report the result of strabismus surgery in eye-salvaged retinoblastoma (Rb) patients. Methods: A retrospective case series including 18 patients with Rb and strabismus who underwent strabismus surgery after completing tumor treatment by a single pediatric ophthalmologist. Results: A total of 18 patients (10 females and 8 males) were included with a mean age of 13.3 ± 3.0 (range, 2-39) months at the time tumor presentation and 6.0 ± 1.5 (range, 4-9) years at the time of strabismus surgery. Ten (56%) patients had unilateral, and 8(44%) had bilateral involvement, and the most common worse eye tumor’s group was D (n=11), C (n=4), B (n=2) and E (n=1). Macula was involved by the tumors in 12 (67%) patients. The tumors were managed by intravenous chemotherapy (n=8, 47%), intra-arterial chemotherapy (n=7, 41%) and both (n=3, 17%). After complete treatment, the average time to strabismus surgery was 29.9 ± 20.5 (range, 12-84) months. Except for one, visual acuity was equal or less than 1.0 logMAR (≤ 20/200) in the affected eye. Seven (39%) patients had exotropia, 11(61%) had esotropia (P=0.346) and vertical deviation was found in 8 (48%) cases. The angle of deviation was 42.0 ± 10.4 (range, 30-60) prism diopter (PD) for esotropic and 35.7± 7.9 (range, 25-50) PD for exotropic patients (P=0.32) that after surgery significantly decreased to 8.5 ± 5.3 PD in esotropic cases and 5.9±6.7 PD in exotropic cases (P<0.001). The mean follow-up after surgery was 15.2 ± 2.0 (range, 10-24) months, in which 3 (17%) patients needed a second surgery. Conclusion: Strabismus surgery in treated Rb is safe, and results of the surgeries are acceptable and close to the general population. There was not associated with tumor recurrence or metastasis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=retinoblastoma" title="retinoblastoma">retinoblastoma</a>, <a href="https://publications.waset.org/abstracts/search?q=strabismus" title=" strabismus"> strabismus</a>, <a href="https://publications.waset.org/abstracts/search?q=chemotherapy" title=" chemotherapy"> chemotherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=surgery" title=" surgery"> surgery</a> </p> <a href="https://publications.waset.org/abstracts/173512/strabismus-management-in-retinoblastoma-survivors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173512.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">61</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1109</span> Computer-Aided Exudate Diagnosis for the Screening of Diabetic Retinopathy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shu-Min%20Tsao">Shu-Min Tsao</a>, <a href="https://publications.waset.org/abstracts/search?q=Chung-Ming%20Lo"> Chung-Ming Lo</a>, <a href="https://publications.waset.org/abstracts/search?q=Shao-Chun%20Chen"> Shao-Chun Chen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Most diabetes patients tend to suffer from its complication of retina diseases. Therefore, early detection and early treatment are important. In clinical examinations, using color fundus image was the most convenient and available examination method. According to the exudates appeared in the retinal image, the status of retina can be confirmed. However, the routine screening of diabetic retinopathy by color fundus images would bring time-consuming tasks to physicians. This study thus proposed a computer-aided exudate diagnosis for the screening of diabetic retinopathy. After removing vessels and optic disc in the retinal image, six quantitative features including region number, region area, and gray-scale values etc… were extracted from the remaining regions for classification. As results, all six features were evaluated to be statistically significant (p-value < 0.001). The accuracy of classifying the retinal images into normal and diabetic retinopathy achieved 82%. Based on this system, the clinical workload could be reduced. The examination procedure may also be improved to be more efficient. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer-aided%20diagnosis" title="computer-aided diagnosis">computer-aided diagnosis</a>, <a href="https://publications.waset.org/abstracts/search?q=diabetic%20retinopathy" title=" diabetic retinopathy"> diabetic retinopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=exudate" title=" exudate"> exudate</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20processing" title=" image processing"> image processing</a> </p> <a href="https://publications.waset.org/abstracts/70086/computer-aided-exudate-diagnosis-for-the-screening-of-diabetic-retinopathy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70086.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">269</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1108</span> The Role of Gastric Decompression on Postoperative Nausea and Vomiting in Orthognathic Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Minna%20Salim">Minna Salim</a>, <a href="https://publications.waset.org/abstracts/search?q=James%20Brady"> James Brady</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Postoperative nausea and pain (PONV) are adverse effects following surgical procedures. It is especially pronounced in patients undergoing orthognathic surgery, as their mouth is closed postoperatively using wires or rubber bands. Postoperative mouth closure increases the discomfort and risk of complications associated with nausea and vomiting. Many surgeons and institutions apply gastric decompression in hopes of aspirating stomach contents and, therefore, decreasing PONV incidence. This review observed that PONV incidence was not affected by gastric decompression overall. However, the effect of gastric decompression on PONV in orthognathic surgery was variable. This paper aims to summarize the findings of gastric decompression on PONV and to determine the need for it in orthognathic surgery. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gastric%20decompression" title="gastric decompression">gastric decompression</a>, <a href="https://publications.waset.org/abstracts/search?q=nasogastric%20tube" title=" nasogastric tube"> nasogastric tube</a>, <a href="https://publications.waset.org/abstracts/search?q=orthognathic%20surgery" title=" orthognathic surgery"> orthognathic surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=postoperative%20nausea" title=" postoperative nausea"> postoperative nausea</a>, <a href="https://publications.waset.org/abstracts/search?q=vomiting" title=" vomiting"> vomiting</a> </p> <a href="https://publications.waset.org/abstracts/169720/the-role-of-gastric-decompression-on-postoperative-nausea-and-vomiting-in-orthognathic-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169720.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">87</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1107</span> Prediction of Survival Rate after Gastrointestinal Surgery Based on The New Japanese Association for Acute Medicine (JAAM Score) With Neural Network Classification Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ayu%20Nabila%20Kusuma%20Pradana">Ayu Nabila Kusuma Pradana</a>, <a href="https://publications.waset.org/abstracts/search?q=Aprinaldi%20Jasa%20Mantau"> Aprinaldi Jasa Mantau</a>, <a href="https://publications.waset.org/abstracts/search?q=Tomohiko%20Akahoshi"> Tomohiko Akahoshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The incidence of Disseminated intravascular coagulation (DIC) following gastrointestinal surgery has a poor prognosis. Therefore, it is important to determine the factors that can predict the prognosis of DIC. This study will investigate the factors that may influence the outcome of DIC in patients after gastrointestinal surgery. Eighty-one patients were admitted to the intensive care unit after gastrointestinal surgery in Kyushu University Hospital from 2003 to 2021. Acute DIC scores were estimated using the new Japanese Association for Acute Medicine (JAAM) score from before and after surgery from day 1, day 3, and day 7. Acute DIC scores will be compared with The Sequential Organ Failure Assessment (SOFA) score, platelet count, lactate level, and a variety of biochemical parameters. This study applied machine learning algorithms to predict the prognosis of DIC after gastrointestinal surgery. The results of this study are expected to be used as an indicator for evaluating patient prognosis so that it can increase life expectancy and reduce mortality from cases of DIC patients after gastrointestinal surgery. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=the%20survival%20rate" title="the survival rate">the survival rate</a>, <a href="https://publications.waset.org/abstracts/search?q=gastrointestinal%20surgery" title=" gastrointestinal surgery"> gastrointestinal surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=JAAM%20score" title=" JAAM score"> JAAM score</a>, <a href="https://publications.waset.org/abstracts/search?q=neural%20network" title=" neural network"> neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=disseminated%20intravascular%20coagulation%20%28DIC%29" title=" disseminated intravascular coagulation (DIC)"> disseminated intravascular coagulation (DIC)</a> </p> <a href="https://publications.waset.org/abstracts/140583/prediction-of-survival-rate-after-gastrointestinal-surgery-based-on-the-new-japanese-association-for-acute-medicine-jaam-score-with-neural-network-classification-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140583.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">259</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1106</span> Patient Reported Experience of in-Patient Orthognathic Care in an NHS Hospital, in Comparison to a Private Hospital</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20Litt">R. Litt</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Kana"> A. Kana</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20House"> K. House</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The primary aim of this patient-related experience questionnaire was to gain a better understanding of our patients' experience as inpatients when they undergo orthognathic surgery. The secondary aim of this study was to identify ways in which we can improve the orthognathic inpatient experience and to share this with other units. All patients who received orthognathic surgery at an NHS hospital - Bristol Royal Infirmary, England, over the course of 6 months were asked to complete a questionnaire regarding their care. This data was then analysed and compared to the same questionnaire given to patients treated in a private hospital where orthognathic surgery was completed. All treatment was completed by the same surgeon. The design of the questions took into account NICE (National Institute for Health and Care Excellence) guidance on improving the experience of patient care. Particularly taking into account patients' essential requirements of care, for example, assessing and managing pain, ensuring adequate and appropriate nutrition, and ensuring the patients' personal needs are regularly reviewed and addressed. Overall the patient-related experience after orthognathic surgery was comparable in both the NHS and private hospitals. However, the questionnaire highlighted aspects of inpatient care after orthognathic surgery that can easily be improved in order to provide our patients with the best possible care. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=orthognathic%20surgery" title="orthognathic surgery">orthognathic surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=patient%20feedback" title=" patient feedback"> patient feedback</a>, <a href="https://publications.waset.org/abstracts/search?q=jaw%20surgery" title=" jaw surgery"> jaw surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=inpatient%20experience" title=" inpatient experience"> inpatient experience</a> </p> <a href="https://publications.waset.org/abstracts/130924/patient-reported-experience-of-in-patient-orthognathic-care-in-an-nhs-hospital-in-comparison-to-a-private-hospital" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130924.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">149</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1105</span> Concept of Transforaminal Lumbar Interbody Fusion Cage Insertion Device</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sangram%20A.%20Sathe">Sangram A. Sathe</a>, <a href="https://publications.waset.org/abstracts/search?q=Neha%20A.%20Madgulkar"> Neha A. Madgulkar</a>, <a href="https://publications.waset.org/abstracts/search?q=Shruti%20S.%20Raut"> Shruti S. Raut</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20P.%20Wadkar"> S. P. Wadkar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Transforaminal lumbar interbody fusion (TLIF) surgeries have nowadays became popular for treatment of degenerated spinal disorders. The interbody fusion technique like TLIF maintains load bearing capacity of the spine and a suitable disc height. Currently many techniques have been introduced to cure Spondylolisthesis. This surgery provides greater rehabilitation of degenerative spines. While performing this TLIF surgery existing methods use guideway, which is a troublesome surgery technique as the use of two separate instruments is required to perform this surgery. This paper presents a concept which eliminates the use of guideway. This concept also eliminates problems that occur like reverting the cage. The concept discussed in this paper also gives high accuracy while performing surgery. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=TLIF" title="TLIF">TLIF</a>, <a href="https://publications.waset.org/abstracts/search?q=spondylolisthesis" title=" spondylolisthesis"> spondylolisthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=spine" title=" spine"> spine</a>, <a href="https://publications.waset.org/abstracts/search?q=instruments" title=" instruments"> instruments</a> </p> <a href="https://publications.waset.org/abstracts/66660/concept-of-transforaminal-lumbar-interbody-fusion-cage-insertion-device" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66660.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">329</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1104</span> Predictors of Behavior Modification Prior to Bariatric Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rosemarie%20Basile">Rosemarie Basile</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Loizos"> Maria Loizos</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Pallarino"> John Pallarino</a>, <a href="https://publications.waset.org/abstracts/search?q=Karen%20Gibbs"> Karen Gibbs</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Given that complications can be significant following bariatric surgery and with rates of long-term success measured in excess weight loss varying as low as 33% after five years, an understanding of the psychological factors that may mitigate findings and increase success and result in better screening and supports prior to surgery are critical. An internally oriented locus of control (LOC) has been identified as a predictor for success in obesity therapy, but has not been investigated within the context of bariatric surgery. It is hypothesized that making behavioral changes prior to surgery which mirror those that are required post-surgery may ultimately predict long-term success. 122 subjects participated in a clinical interview and completed self-report measures including the Multidimensional Health Locus of Control Scale, Overeating Questionnaire (OQ), and Lifestyle Questionnaire (LQ). Pearson correlations were computed between locus of control orientation and likelihood to make behavior changes prior to surgery. Pearson correlations revealed a positive correlation between locus of control and likelihood to make behavior changes r = 0.23, p < .05. As hypothesized, there was a significant correlation between internal locus of control and likelihood to make behavior changes. Participants with a higher LOC believe that they are able to make decisions about their own health. Future research will focus on whether this positive correlation is a predictor for future bariatric surgery success. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bariatric%20surgery" title="bariatric surgery">bariatric surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=behavior%20modification" title=" behavior modification"> behavior modification</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20locus%20of%20control" title=" health locus of control"> health locus of control</a>, <a href="https://publications.waset.org/abstracts/search?q=overeating%20questionnaire" title=" overeating questionnaire"> overeating questionnaire</a> </p> <a href="https://publications.waset.org/abstracts/60426/predictors-of-behavior-modification-prior-to-bariatric-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60426.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">313</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1103</span> The Breast Surgery Movement: A 50 Year Development of the Surgical Specialty</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lauren%20Zammerilla%20Westcott">Lauren Zammerilla Westcott</a>, <a href="https://publications.waset.org/abstracts/search?q=Ronald%20C.%20Jones"> Ronald C. Jones</a>, <a href="https://publications.waset.org/abstracts/search?q=James%20W.%20Fleshman"> James W. Fleshman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The surgical treatment of breast cancer has rapidly evolved over the past 50 years, progressing from Halsted’s radical mastectomy to a public campaign of surgical options, aesthetic reconstruction, and patient empowerment. This article examines the happenings that led to the transition of breast surgery as a subset of general surgery to its own specialized field. Sparked by the research of Dr. Bernard Fisher and the first National Surgical Adjuvant Breast and Bowel Project trial in 1971, the field of breast surgery underwent significant growth over the next several decades, enabling general surgeons to limit their practices to the breast. High surgical volumes eventually led to the development of the first formal breast surgical oncology fellowship in a large community-based hospital at Baylor University Medical Center in 1982. The establishment of the American Society of Breast Surgeons, as well several landmark clinical trials and public campaign efforts, further contributed to the advancement of breast surgery, making it the specialized field of the current era. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breast%20cancer" title="breast cancer">breast cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=breast%20fellowship" title=" breast fellowship"> breast fellowship</a>, <a href="https://publications.waset.org/abstracts/search?q=breast%20surgery" title=" breast surgery"> breast surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=surgical%20history" title=" surgical history"> surgical history</a> </p> <a href="https://publications.waset.org/abstracts/139585/the-breast-surgery-movement-a-50-year-development-of-the-surgical-specialty" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139585.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">132</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1102</span> Role of Bariatric Surgery in Polycystic Ovarian Syndrome &Infertility</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahuja%20Ashish">Ahuja Ashish</a>, <a href="https://publications.waset.org/abstracts/search?q=Nain%20Prabhdeep%20Singh"> Nain Prabhdeep Singh </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Polycystic ovarian syndrome(PCOS) is the most common endocrine disorder among women of reproductive age.Pcos encompasses a broad spectrum of signs&symptoms of ovary dysfunction,obesity,blood pressure,insulin resistance & infertility. Bariatric Surgery can be an effective means of weight loss in Pcos & curing infertility. Materials and Methods: 15 female patients were enrolled in the study from 2012-2014.66%(n=10) were in age group of 20-25 years,33%(n=5) were in age group of 25-33 years who underwent. Bariatric surgery in form of Laproscopic sleeve Gastrectomy(LSG)& Roux-en-Y gastric bypass. LSG 73%(n=11), RYGB26% (n=4). Results: There was a significant improvement in obesity (60% excess weight loss)over 1 year after bariatric surgery, in 12 patients there was gross improvement in restoration of menstrual cycle who had irregular menstrual cycle. In 80% patients the serum insulin level showed normal value. Over two years 8 patients become pregnant. Conclusions: 1)Obese women with Pcos maybe able to conceive after Bariatric Surgery. 2) Women with Pcos should only consider bariatric surgery if they were already considering it for other reasons to treat obesity, blood pressure & other co-morbid conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=obesity" title="obesity">obesity</a>, <a href="https://publications.waset.org/abstracts/search?q=bariatric%20surgery" title=" bariatric surgery"> bariatric surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=polycystic%20ovarian%20syndrome" title=" polycystic ovarian syndrome"> polycystic ovarian syndrome</a>, <a href="https://publications.waset.org/abstracts/search?q=infertility" title=" infertility"> infertility</a> </p> <a href="https://publications.waset.org/abstracts/43543/role-of-bariatric-surgery-in-polycystic-ovarian-syndrome-infertility" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43543.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">292</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1101</span> Nutritional Status of Morbidly Obese Patients Prior to Bariatric Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Azadeh%20Mottaghi">Azadeh Mottaghi</a>, <a href="https://publications.waset.org/abstracts/search?q=Reyhaneh%20Yousefi"> Reyhaneh Yousefi</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Safari"> Saeed Safari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Bariatric surgery is widely proposed as the most effective approach to mitigate the growing pace of morbid obesity. As bariatric surgery candidates suffer from pre-existing nutritional deficiencies, it is of great importance to assess nutritional status of candidates before surgery in order to establish appropriate nutritional interventions. Objectives: The present study assessed and represented baseline data according to the nutritional status among candidates for bariatric surgery. Methods: A cross-sectional analysis of pre-surgery data was collected on 170 morbidly obese patients undergoing bariatric surgery between October 2017 and February 2018. Dietary intake data (evaluated through 147-item food frequency questionnaire), anthropometric measures and biochemical parameters were assessed. Results: Participants included 145 females (25 males) with average age of 37.3 ± 10.2 years, BMI of 45.7 ± 6.4 kg/m² and reported to have a total of 72.3 ± 22.2 kg excess body weight. The most common nutritional deficiencies referred to iron, ferritin, transferrin, albumin, vitamin B12, and vitamin D, the prevalence of which in the study population were as followed; 6.5, 6.5, 3, 2, 17.6 and 66%, respectively. Mean energy, protein, fat, and carbohydrate intake were 3887.3 ± 1748.32 kcal/day, 121.6 ± 57.1, 144.1 ± 83.05, and 552.4 ± 240.5 gr/day, respectively. The study population consumed lower levels of iron, calcium, folic acid, and vitamin B12 compared to the Dietary Reference Intake (DRI) recommendations (2, 26, 2.5, and 13%, respectively). Conclusion: According to the poor dietary quality of bariatric surgery candidates, leading to nutritional deficiencies pre-operatively, close monitoring and tailored supplementation pre- and post-bariatric surgery are required. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bariatric%20surgery" title="bariatric surgery">bariatric surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20frequency%20questionnaire" title=" food frequency questionnaire"> food frequency questionnaire</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity" title=" obesity"> obesity</a>, <a href="https://publications.waset.org/abstracts/search?q=nutritional%20status" title=" nutritional status"> nutritional status</a> </p> <a href="https://publications.waset.org/abstracts/94162/nutritional-status-of-morbidly-obese-patients-prior-to-bariatric-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94162.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">172</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1100</span> Telling the Truth to Patients Before Hip Fracture Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rawan%20Masarwa">Rawan Masarwa</a>, <a href="https://publications.waset.org/abstracts/search?q=Merav%20Ben%20Natan"> Merav Ben Natan</a>, <a href="https://publications.waset.org/abstracts/search?q=Yaron%20Berkovich"> Yaron Berkovich</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Hip fracture repair surgery carries a certain mortality risk, yet evidence suggests that orthopedic surgeons often refrain from discussing this issue with patients prior to surgery. Aim: This study aims to examine whether orthopedic surgeons address the issue of one-year post-surgery mortality before hip fracture repair surgery and to explore the factors influencing this decision. Method: The study uses a cross-sectional design, administering validated digital questionnaires to 150 orthopedic surgeons. Results: A minority of orthopedic surgeons reported consistently informing patients about the risk of mortality in the year following hip fracture surgery. The primary reasons for not discussing this risk were a desire to avoid frightening patients, time constraints, and concerns about undermining patient hope. Surgeons reported a medium-high level of perceived self-efficacy, with higher self-efficacy linked to a reduced likelihood of discussing one-year mortality risk. In contrast, older age and holding a specialist status in orthopedic surgery were associated with a higher likelihood of discussing this risk with patients. Conclusions: The findings suggest a need for interventions to address communication barriers and ensure consistent provision of essential information to patients undergoing hip fracture surgery. Additionally, they emphasize the importance of considering individual factors such as self-efficacy, age, and expertise in developing strategies to enhance patient-provider communication in orthopedic care settings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=orthopedic%20surgeons" title="orthopedic surgeons">orthopedic surgeons</a>, <a href="https://publications.waset.org/abstracts/search?q=hip%20fracture%20surgery" title=" hip fracture surgery"> hip fracture surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=mortality%20risk%20communication" title=" mortality risk communication"> mortality risk communication</a>, <a href="https://publications.waset.org/abstracts/search?q=patient%20information" title=" patient information"> patient information</a> </p> <a href="https://publications.waset.org/abstracts/189251/telling-the-truth-to-patients-before-hip-fracture-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189251.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">25</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1099</span> Investigation of Enhanced Recovery After Surgery Protocol Outcome on Post Colectomy Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sharon%20Baoas">Sharon Baoas</a>, <a href="https://publications.waset.org/abstracts/search?q=Toni%20Beninato"> Toni Beninato</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Zenilman"> Michael Zenilman</a>, <a href="https://publications.waset.org/abstracts/search?q=Gokhan%20Ozuner"> Gokhan Ozuner</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background An enhanced recovery after surgery (ERAS) protocol was implemented to improve quality and cost effectiveness of surgical care in elective colorectal procedures. Results A total of 109 patients, 55 (pre-ERAS) and 54 (post-ERAS) are included in the final analysis. There were no differences in complications were recorded (p = 0.37) and 30-day readmissions (p = 0.785). The mean hospital stay was 5.89 ± 2.62 days in pre-ERAS and 4.94 ± 2.27 days in post-ERAS group which was statistically significant (p = 0.047). Conclusions An ERAS protocol for colorectal surgery harmonised perioperative care and decreased length of stay. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=30-day%20readmission" title="30-day readmission">30-day readmission</a>, <a href="https://publications.waset.org/abstracts/search?q=lenght%20of%20stay" title=" lenght of stay"> lenght of stay</a>, <a href="https://publications.waset.org/abstracts/search?q=Enhanced%20Recovery%20after%20surgery" title=" Enhanced Recovery after surgery"> Enhanced Recovery after surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=Surgical%20site%20infection" title=" Surgical site infection"> Surgical site infection</a> </p> <a href="https://publications.waset.org/abstracts/170927/investigation-of-enhanced-recovery-after-surgery-protocol-outcome-on-post-colectomy-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/170927.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">49</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1098</span> Total Knee Arthroplasty in a Haemophilia: A Patient with High Titre of Inhibitor Using Recombinant Factor VIIa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20J.%20Mortazavi">Mohammad J. Mortazavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Arvin%20Najafi"> Arvin Najafi</a>, <a href="https://publications.waset.org/abstracts/search?q=Pejman%20Mansouri"> Pejman Mansouri </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hemophilia A is simply described as deficiency of factor VIII(FVIII) and patients with this disorder have bleeding complications in different organs. By using the recombinant factor VIII in these patients, elective orthopedic surgeries have been done approximately in 40 last years. About 10-30 % of these patients have bleeding complications in their surgeries even by using recombinant factor VIII because of their inhibitor against FVIII molecule. Preoperative haemostatic management in these patients is challenging. We treated a 28-year-old male patient with hemophilia A with FVIII inhibitor which had been detected when he was14 years old (with the titer 54 Bethesda unit(BU)) scheduled for total knee arthroplasty (TKA). We use 90 µg/kg rFVIIa just before the surgery and every 2 hours during surgery. The patient did not have any significant hemorrhage during the surgery and after that. For the 2 days after surgery, the rFVIIa repeated every 2 hours as the same as preoperative dosage(90 µg/kg) and for another 2 days of postoperative admission it continued every 4 hours. After 4th day, the rFVIIa continued every 6 hours with the same dosage until the sixth day from the surgery, and finally the patient were discharged about two weeks after surgery. Seven days after the discharge, he came back for the follow up visit. On the follow up examination, the site of the surgery had neither infection hemarthroses signs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hemophilia" title="hemophilia">hemophilia</a>, <a href="https://publications.waset.org/abstracts/search?q=factor%20VIII%20inhibitor" title=" factor VIII inhibitor"> factor VIII inhibitor</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20knee%20replacement" title=" total knee replacement"> total knee replacement</a>, <a href="https://publications.waset.org/abstracts/search?q=rFVIIa" title=" rFVIIa"> rFVIIa</a> </p> <a href="https://publications.waset.org/abstracts/37428/total-knee-arthroplasty-in-a-haemophilia-a-patient-with-high-titre-of-inhibitor-using-recombinant-factor-viia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37428.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info 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