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Diabetic retinopathy

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https://www.readbyqxmd.com/read/27911428/-macular-edema-after-prior-brachytherapy-in-a-diabetic-retinopathy-patient-clinical-case
#1
S A Ignat'ev, O N Steshenko, Ya N Khionidi
The authors describe a case of radiation retinopathy after brachytherapy for uveal melanoma successfully treated with nepafenac 0.1%, a non-steroidal anti-inflammotory agent.
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911427/-modern-approach-to-early-diagnosis-and-pathogenetic-treatment-of-diabetic-retinopathy
#2
I V Vorob'eva
AIM: To improve the approach to pathogenetic treatment of diabetic retinopathy (DR) through early diagnosis and a new method for predicting disease progression. MATERIAL AND METHODS: The study enrolled 330 type 2 diabetes patients with DR (660 eyes), of whom women constituted 64.6%, men - 35.4%. The mean patient age was 62.3±2.3 years. Three groups were formed: the controls - 30 healthy volunteers (60 eyes) and 30 type 2 diabetes patients without ocular involvement (DR 0, 60 eyes); group 1 - 30 type 2 diabetes patients with DR I but no diabetic macular edema (DR I without DME, 60 eyes) that were treated with calcium dobesilate; group 2 - 240 type 2 diabetes patients, who had diabetic retinopathy of different stages (DR I, II, or III with DME, 480 eyes) and received laser retinal photocoagulation (LRP)...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27909871/nap-interferes-with-hypoxia-inducible-factors-and-vegf-expression-in-retina-of-diabetic-rats
#3
Agata Grazia D'Amico, Grazia Maugeri, Claudio Bucolo, Salvatore Saccone, Concetta Federico, Sebastiano Cavallaro, Velia D'Agata
The retinal microvascular damage is a complication of diabetic retinopathy (DR). Hyperglycemia and hypoxia are responsible of aberrant vessel's proliferation. The cellular response to hypoxia is mediated through activation of hypoxia-inducible factors (HIFs). Among these, HIF-1α modulates expression of its target gene, VEGF, whose upregulation controls the angiogenic event during DR development. In a previous study, we have demonstrated that a small peptide, NAP, is able to protect retina from hyperglycemic insult...
December 1, 2016: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/27908554/apolipoprotein-a-i-and-b-and-subjective-global-assessment-relationship-can-reflect-lipid-defects-in-diabetic-retinopathy
#4
Yashodhara Sharma, Sandeep Saxena, Arvind Mishra, Anita Saxena, Shankar Madhav Natu
OBJECTIVE: Elevated lipid levels increase complications of diabetic retinopathy (DR). Uncontrolled diabetes increases these complications and causes unintentional weight loss, indicating an apparently normal body mass index (BMI). Thus, it is easy to assume that patients with DR and a normal BMI have optimal lipid status. Apolipoprotein (Apo) A-I and Apo B levels differentially indicate serum lipid status in DR. Subjective Global Assessment (SGA) scores are associated with DR status. If SGA scores and serum Apo A-I and B levels are found to be interrelated, their relationship can reflect lipid defects in patients with DR despite apparently normal BMI...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27908354/a-test-in-context-hemoglobin-a1c-and-cardiovascular-disease
#5
REVIEW
M Odette Gore, Darren K McGuire
Measurement of glycated hemoglobin (HbA1c), the most widely accepted indicator of long-term glycemic exposure, is central for the diagnosis and management of diabetes mellitus. Levels of HbA1c track epidemiologically with diabetic complications, and glycemic control, as reflected by HbA1c reduction, results in decreased risk of microvascular complications, including diabetic kidney disease, neuropathy, and retinopathy. The relationship between HbA1c reduction and cardiovascular disease prevention in patients with diabetes is more complex, with data from large randomized trials published over the past decade providing clear evidence that lowering of HbA1c per se is an inadequate marker for a therapeutic regimen's impact on cardiovascular outcomes and patient survival...
December 6, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27908249/automated-system-for-referral-of-cotton-wool-spots
#6
Syed Ali Gohar Naqvi, Hafiz Muhammad Faisal Zafar, Ihsan Ul Haq
BACKGROUND: Cotton-wool spots also referred as soft exudates are the early sign of complications in the eye fundus of the patients suffering from diabetic retinopathy. Early detection of exudates helps in diagnosis of the disease and provides better medical attention. METHODS: In the paper an automated system for detection of soft exudates has been suggested. The system has been developed by the combination of different techniques like scale invariant feature transform (SIFT), Visual Dictionaries, K-means clustering and support vector machine (SVM)...
December 1, 2016: Current Diabetes Reviews
https://www.readbyqxmd.com/read/27907042/role-of-platelet-parameters-on-neovascular-glaucoma-a-retrospective-case-control-study-in-china
#7
Shengjie Li, Wenjun Cao, Xinghuai Sun
PURPOSE: Retinal vein occlusion (RVO) and diabetic retinopathy (DR) are two major sight-threatening diseases which may lead to neovascular glaucoma (NVG). The aim of this study was to explore the association between platelet parameters and NVG. METHODS: A total of 185 subjects were enrolled for the study from January, 2012 to December, 2015 at the Eye-ENT Hospital of Fudan University. Patients include those with NVG secondary to RVO (RVO group, n = 38), patients with NVG secondary to DR (DR group, n = 47), diabetics mellitus without retinopathy (DM group, n = 52), and healthy individuals (control group, n = 48)...
2016: PloS One
https://www.readbyqxmd.com/read/27906862/correlational-study-of-diabetic-retinopathy-and-hearing-loss
#8
Caroline Ooley, Weon Jun, Kim Le, Allen Kim, Nathan Rock, Molly Cardenal, Rebecca Kline, Drew Aldrich, John Hayes
PURPOSE: Our research goal was to complete a retrospective chart review to determine if there is a correlation between the level of diabetic retinopathy and diabetic neurosensory hearing loss. METHODS: A retrospective analysis of 175 Department of Veterans Affairs Computerized Patient Record System charts was completed at the VA Portland Health Care System. Subjects were classified by degree of diabetic retinopathy as follows: no diabetic retinopathy (n = 80), mild nonproliferative diabetic retinopathy (n = 51), moderate nonproliferative diabetic retinopathy (n = 25), and combined severe nonproliferative diabetic retinopathy and proliferative diabetic retinopathy (PDR) (n = 17)...
November 30, 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27904503/stem-cell-ophthalmology-treatment-study-scots-bone-marrow-derived-stem-cells-in-the-treatment-of-leber-s-hereditary-optic-neuropathy
#9
Jeffrey N Weiss, Steven Levy, Susan C Benes
The Stem Cell Ophthalmology Treatment Study (SCOTS) is currently the largest-scale stem cell ophthalmology trial registered at ClinicalTrials.gov (identifier: NCT01920867). SCOTS utilizes autologous bone marrow-derived stem cells (BMSCs) to treat optic nerve and retinal diseases. Treatment approaches include a combination of retrobulbar, subtenon, intravitreal, intra-optic nerve, subretinal, and intravenous injection of autologous BMSCs according to the nature of the disease, the degree of visual loss, and any risk factors related to the treatments...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27903615/urine-proteome-specific-for-eye-damage-can-predict-kidney-damage-in-patients-with-type-2-diabetes-a-case-control-and-a-5-3-year-prospective-cohort-study
#10
Jin-Kui Yang, Ying-Ying Wang, Chang Liu, Ting-Ting Shi, Jing Lu, Xi Cao, Fang-Yuan Yang, Jian-Ping Feng, Chen Chen, Li-Nong Ji, Aimin Xu
OBJECTIVE: The predictive value of microalbuminuria (MAU) for kidney damage is limited in type 2 diabetes (T2D). We studied whether a urine proteome specific for sight-threatening proliferative diabetic retinopathy (PDR) is an indicator to predict chronic renal insufficiency (CRI) in patients with T2D. RESEARCH DESIGN AND METHODS: A shotgun urine proteomic analysis was performed in patients with MAU and PDR (case subjects) and in patients with MAU and a duration of T2D for >10 years but with without any degree of retinopathy (control subjects)...
November 30, 2016: Diabetes Care
https://www.readbyqxmd.com/read/27903086/the-association-of-smokeless-tobacco-use-and-pack-years-of-smokeless-tobacco-with-age-related-macular-degeneration-in-indian-population
#11
Sangeetha Srinvasan, Gayathri Swaminathan, Vaitheeswaran Kulothungan, Tarun Sharma, Rajiv Raman
PURPOSE: To explore the association of use and the influence of pack-year use of smokeless tobacco versus no use with that of early and late age-related macular degeneration (AMD) in rural and urban south Indian population. We hypothesized that the use and pack-years of use would be significantly associated with both early and late AMD. We therefore sought to examine subjects who gave a history of using smokeless tobacco and we quantified the usage as pack-years, to examine the association with that of early and late AMD...
November 30, 2016: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/27903073/comparison-between-early-or-late-intravitreal-injection-of-dexamethasone-implant-in-branch-brvo-or-central-crvo-retinal-vein-occlusion-six-months-follow-up
#12
Fernanda Pacella, Giuseppe La Torre, Stefania Basili, Monica Autolitano, Antonella Pascarella, Tommaso Lenzi, Elena Pacella
PURPOSE: The purpose of this study was to compare early and late injections of intravitreal dexamethasone implant in patients affected by central retinal vein occlusion (CRVO) or branch retinal vein occlusion (BRVO) with a six-month follow-up. We assessed whether an earlier treatment start (within 7 days from diagnosis) could be more beneficial than a delayed (or late) treatment start (after 7 days). MATERIALS AND METHODS: The study included 81 patients (81 eyes) affected by retinal vein occlusion...
November 30, 2016: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/27902639/air-tamponade-combined-with-nonsupine-positioning-in-macular-hole-surgery-for-pseudophakic-eyes
#13
Vegard A Forsaa, Jørgen Krohn
PURPOSE: To investigate the closure rate of primary full-thickness macular hole, following intraocular air tamponade combined with a nonsupine positioning regimen. METHODS: A prospective study of patients with full-thickness macular hole, who underwent pars plana vitrectomy with internal limiting membrane peeling and intraocular air tamponade followed by 3 days of nonsupine positioning. Outcome measures were primary full-thickness macular hole closure and improvement in best-corrected visual acuity after 6 months...
November 29, 2016: Retina
https://www.readbyqxmd.com/read/27898977/artificial-intelligence-with-deep-learning-technology-looks-into-diabetic-retinopathy-screening
#14
Tien Yin Wong, Neil M Bressler
No abstract text is available yet for this article.
November 29, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27898976/development-and-validation-of-a-deep-learning-algorithm-for-detection-of-diabetic-retinopathy-in-retinal-fundus-photographs
#15
Varun Gulshan, Lily Peng, Marc Coram, Martin C Stumpe, Derek Wu, Arunachalam Narayanaswamy, Subhashini Venugopalan, Kasumi Widner, Tom Madams, Jorge Cuadros, Ramasamy Kim, Rajiv Raman, Philip C Nelson, Jessica L Mega, Dale R Webster
Importance: Deep learning is a family of computational methods that allow an algorithm to program itself by learning from a large set of examples that demonstrate the desired behavior, removing the need to specify rules explicitly. Application of these methods to medical imaging requires further assessment and validation. Objective: To apply deep learning to create an algorithm for automated detection of diabetic retinopathy and diabetic macular edema in retinal fundus photographs...
November 29, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27897443/evaluation-of-biochemical-composition-of-vitreous-of-eyes-of-diabetic-patients-using-proton-magnetic-resonance-spectroscopy
#16
Ilke Bahceci Simsek, Ozgur Artunay
PURPOSE: To investigate possible metabolic changes in vitreous of patients with diabetes mellitus with or without diabetic retinopathy using proton magnetic resonance spectroscopy. MATERIAL AND METHODS: Twenty-eight healthy control subjects (group 1), 18 patients with diabetes mellitus without diabetic retinopathy (group 2) and 18 patients with diabetic retinopathy (group 3) were included. Proton magnetic resonance spectroscopy was performed in left vitreous of all subjects; amounts of Glutamate, Choline, Lactate and Creatine values were measured...
November 29, 2016: Current Eye Research
https://www.readbyqxmd.com/read/27897261/diabetes-onset-at-31-45-years-of-age-is-associated-with-an-increased-risk-of-diabetic-retinopathy-in-type-2-diabetes
#17
Wenjun Zou, Lisha Ni, Qianyi Lu, Chen Zou, Minjie Zhao, Xun Xu, Haibing Chen, Zhi Zheng
This hospital-based, cross-sectional study investigated the effect of age of diabetes onset on the development of diabetic retinopathy (DR) among Chinese type 2 diabetes mellitus (DM) patients. A total of 5,214 patients with type 2 DM who were referred to the Department of Ophthalmology at the Shanghai First People's Hospital from 2009 to 2013 was eligible for inclusion. Diabetic retinopathy status was classified using the grading system of the Early Treatment Diabetic Retinopathy Study (ETDRS). Logistic and hierarchical regression analyses were used to identify independent variables affecting the development of DR...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27895936/neovascular-glaucoma-a-review
#18
REVIEW
Gustavo B Rodrigues, Ricardo Y Abe, Camila Zangalli, Savio L Sodre, Flavia A Donini, Danilo C Costa, Andre Leite, Joao P Felix, Marcelo Torigoe, Alberto Diniz-Filho, Homero Gusmão de Almeida
Neovascular glaucoma (NVG) is a secondary glaucoma generally associated with poor visual prognosis. The development of new vessels over the iris and the iridocorneal angle can obstruct aqueous humor outflow and lead to increased intraocular pressure. The underlying pathogenesis in most cases is posterior segment ischemia, which is most commonly secondary to proliferative diabetic retinopathy or central vein retinal occlusion. The neovascularization process in the eye is driven by the events that alter the homeostatic balance between pro-angiogenic factors, such as the vascular endothelial growth factor and anti-angiogenic factors, such as the pigment-epithelium-derived factor...
2016: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/27895508/multi-ethnic-differences-in-hba1c-blood-pressure-and-low-density-lipid-cholesterol-control-among-south-africans-living-with-type-2-diabetes-after-a-4-year-follow-up
#19
Yacob Pinchevsky, Varada J Shukla, Neil Butkow, Tobias Chirwa, Frederick Raal
PURPOSE: Our study set out to examine if disparities in control of glycated hemoglobin (HbA1c), blood pressure (BP), and low-density-lipoprotein cholesterol (LDL-C) existed among an urban multi-ethnic cohort of South Africans, living with type 2 diabetes mellitus (T2DM). PATIENTS AND METHODS: This longitudinal, retrospective study consisted of 261 men and women with previously diagnosed T2DM who attended Charlotte Maxeke Johannesburg Academic Hospital, South Africa across two time periods 2009 and 2013...
2016: International Journal of General Medicine
https://www.readbyqxmd.com/read/27895384/exendin-4-induces-extracellular-superoxide-dismutase-through-histone-h3-acetylation-in-human-retinal-endothelial-cells
#20
Hiroyuki Yasuda, Atsuko Ohashi, Shohei Nishida, Tetsuro Kamiya, Tetsuya Suwa, Hirokazu Hara, Jun Takeda, Yoshinori Itoh, Tetsuo Adachi
Extracellular-superoxide dismutase (genetic name SOD3) is a secreted anti-oxidative enzyme, and its presence in vascular walls may play an important role in protecting the vascular system against oxidative stress. Oxidative stress has been implicated in the pathogenesis of diabetic retinopathy; therefore, increases in extracellular-superoxide dismutase have been suggested to inhibit the progression of diabetic retinopathy. Incretin-based drugs such as glucagon-like peptide-1 receptor agonists are used in the treatment of type 2 diabetes...
November 2016: Journal of Clinical Biochemistry and Nutrition
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