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Diabetic retinopathy

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https://www.readbyqxmd.com/read/28222445/blocking-il-17a-alleviates-diabetic-retinopathy-in-rodents
#1
Ao-Wang Qiu, Qing-Huai Liu, Jun-Ling Wang
BACKGROUND/AIMS: Interleukin (IL)-17A, a proinflammatory cytokine, has been implicated in several autoimmune diseases. However, it is unclear whether IL-17A is involved in diabetic retinopathy (DR), one of the most serious complications of autoimmune diabetes. This study aimed to demonstrate that IL-17A exacerbates DR by affecting retinal Müller cell function. METHODS: High glucose (HG)-treated rat Müller cell line (rMC-1) was exposed to IL-17A, anti-IL-17A-neutralizing monoclonal antibody (mAb) or/and anti-IL-17 receptor (R)A-neutralizing mAb for 24 h...
February 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28222033/non-hdl-cholesterol-and-c-reactive-protein-in-children-and-adolescents-with-type-1-diabetes
#2
María Mercedes Prado, Teresita Carrizo, Adela Victoria Abregú, Tomás Meroño
BACKGROUND: To what extent high sensitivity C-reactive protein (hsCRP) is associated with known cardiovascular risk factors in children with type 1 diabetes (T1D) has not been fully explored. METHODS: Forty-two T1D children (age: 12+/-1 years) without hypertension, retinopathy, hypothyroidism, albuminuria or other endocrine diseases and 20 controls were studied. Out of the 42 T1D patients studied 57% were prepubertal or early pubertal (Tanner I/II), 38% were pubertal (Tanner III/IV) and 5% post-pubertal (Tanner V)...
February 21, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28221260/double-arcuate-relaxing-retinotomy-for-a-large-macular-hole
#3
Murat Karacorlu, Isil Sayman Muslubas, Mumin Hocaoglu, Serra Arf, Mehmet Giray Ersoz
PURPOSE: To describe double arcuate relaxing retinotomy as an alternative surgical technique in a case with a secondary large macular hole. METHODS: The management of a patient who developed a large macular hole and macular tractional rhegmatogenous retinal detachment after pars plana vitrectomy for proliferative diabetic retinopathy was retrospectively assessed. Despite surgical procedures, such as dissection of a preretinal membrane from the retina and peeling of the retinal internal limiting membrane, the macular hole could not be closed...
February 17, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28220621/a-low-prevalence-of-non-alcoholic-fatty-liver-disease-in-patients-with-type-1-diabetes-is-associated-to-decreased-subclinical-cardiovascular-disease
#4
Enric Serra-Planas, Eva Aguilera, Laura Castro, Raúl Rodríguez, Isabel Salinas, Anna Lucas, Clara Joaquín, Rocio Puig, Dídac Mauricio, Manel Puig-Domingo
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) has been proposed as an independent cardiovascular risk factor. This study evaluated the prevalence of NAFLD in a cohort of Type 1 Diabetic (T1D) patients and its potential relationship with subclinical cardiovascular disease (CVD). METHODS: Cross-sectional study in which 100 T1D patients (39.4 ± 7.8 years, 54% male, all Caucasian, disease duration 21.7 ± 8.6 years, HbA1c 8.1 ± 1.0 % (64.2 ± 7...
February 20, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/28219426/pseudophakic-cystoid-macular-edema-prevention-and-risk-factors-prospective-study-with-adjunctive-once-daily-topical-nepafenac-0-3-versus-placebo
#5
Sean McCafferty, April Harris, Corin Kew, Tala Kassm, Lisa Lane, Jason Levine, Meisha Raven
BACKGROUND: Define the effectiveness of a topical non-steroidal anti-inflammatory drug (NSAID) added to topical steroid use after uncomplicated phacoemulsification for the prevention of pseudophakic cystoid macular edema (PCME) using a prospective, randomized, double-masked, placebo-controlled clinical study. METHODS: Eyes (1000) were randomized to placebo (497) or nepafenac 0.3% (503) used once daily, post-operatively for 5 weeks at two ophthalmology clinics. Diagnosis of PCME was made by clinical, ocular coherence tomography (OCT), and with fluorescein angiography confirmation...
February 20, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28217714/dr-hagis-a-fundus-image-database-for-the-automatic-extraction-of-retinal-surface-vessels-from-diabetic-patients
#6
Sven Holm, Greg Russell, Vincent Nourrit, Niall McLoughlin
A database of retinal fundus images, the DR HAGIS database, is presented. This database consists of 39 high-resolution color fundus images obtained from a diabetic retinopathy screening program in the UK. The NHS screening program uses service providers that employ different fundus and digital cameras. This results in a range of different image sizes and resolutions. Furthermore, patients enrolled in such programs often display other comorbidities in addition to diabetes. Therefore, in an effort to replicate the normal range of images examined by grading experts during screening, the DR HAGIS database consists of images of varying image sizes and resolutions and four comorbidity subgroups: collectively defined as the diabetic retinopathy, hypertension, age-related macular degeneration, and Glaucoma image set (DR HAGIS)...
January 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28217507/stronger-relationship-of-serum-apolipoprotein-a-1-and-b-with-diabetic-retinopathy-than-traditional-lipids
#7
B S Ankit, G Mathur, R P Agrawal, K C Mathur
AIM: Diabetic retinopathy (DR) is the most common preventable cause of blindness where early detection and treatment can be sight-saving. Search for biomarkers of the disease has been relentless. We aimed to determine whether lipoproteins apolipoproteins A1 and B1 (Apo-A1 and Apo-B1) have stronger associations with DR in contrast to conventionally measured low-density lipoprotein (LDL) and high-density lipoprotein cholesterol levels. MATERIALS AND METHODS: We performed a cross-sectional study and studied 117 patients...
January 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28214067/nationwide-diabetes-related-lower-extremity-amputation-rates-in-secondary-care-treated-patients-with-diabetes-in-the-netherlands-dude-7
#8
Leonie Nijenhuis-Rosien, Steven Hans Hendriks, Nanne Kleefstra, Hendricus Jozef Gerardus Bilo, Gijs Wilhelmus Diederik Landman
AIMS: To estimate the annual amputation rate in all secondary care treated patients with diabetes in the Netherlands and specifically in patients known with diabetic retinopathy. METHODS: A nationwide population-based retrospective cohort study was performed including the years 2007-2011. Data of patients were retrieved from reimbursement registries for hospital care from a nationwide insurance database including codes for diabetes, retinopathy and amputation. Traumatic amputations were excluded...
February 2, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28212983/acircularity-index-and-axis-ratio-of-the-foveal-avascular-zone-in-diabetic-eyes-and-healthy-controls-measured-by-optical-coherence-tomography-angiography
#9
Brian D Krawitz, Shelley Mo, Lawrence S Geyman, Steven A Agemy, Nicole K Scripsema, Patricia M Garcia, Toco Y P Chui, Richard B Rosen
Given the complexity of the current system used to stage diabetic retinopathy (DR) and the risks and limitations associated with intravenous fluorescein angiography (IVFA), noninvasive quantification of DR severity is desirable. We examined the utility of acircularity index and axis ratio of the foveal avascular zone (FAZ), metrics that can noninvasively quantify the severity of diabetic retinopathy without the need for axial length to correct for individual retinal magnification. A retrospective review was performed of type 2 diabetics and age-matched controls imaged with optical coherence tomography angiography (OCTA)...
February 14, 2017: Vision Research
https://www.readbyqxmd.com/read/28211261/early-microvascular-retinal-changes-in-optical-coherence-tomography-angiography-in-patients-with-type-1-diabetes-mellitus
#10
Joseph M Simonett, Fabio Scarinci, Fabiana Picconi, Paola Giorno, Daniele De Geronimo, Antonio Di Renzo, Monica Varano, Simona Frontoni, Mariacristina Parravano
PURPOSE: Diabetic retinopathy (DR) can lead to significant vision loss and blindness and has a particularly high prevalence in patients with type 1 diabetes (DM1). In this study, we investigate quantitative differences in optical coherence tomography angiography (OCTA) data between DM1 patients with no or mild signs of retinopathy and non-diabetic subjects. METHODS: Optical coherence tomography angiography (OCTA) imaging was performed on DM1 patients with no or mild nonproliferative diabetic retinopathy and healthy, age-matched controls...
February 16, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28210901/transplantation-of-lineage-negative-stem-cells-in-pterygopalatine-artery-ligation-induced-retinal-ischemia-reperfusion-injury-in-mice
#11
Gillipsie Minhas, Sudesh Prabhakar, Ryuichi Morishita, Munehisa Shimamura, Reema Bansal, Akshay Anand
Retinal ischemia is a condition associated with retinal degenerative diseases such as glaucoma, diabetic retinopathy, and other optic neuropathies, leading to visual impairment and blindness worldwide. Currently, there is no therapy available for ischemic retinopathies. Therefore, the aim of this study was to test a murine model of pterygopalatine artery ligation-induced retinal injury for transplantation of mouse bone marrow-derived lineage-negative (lin-ve) stem cells. The mouse external carotid artery and pterygopalatine artery were ligated for 3...
February 16, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28210739/retinal-oxidative-stress-at-the-onset-of-diabetes-determined-by-synchrotron-ftir-widefield-imaging-towards-diabetes-pathogenesis
#12
Ebrahim Aboualizadeh, Mahsa Ranji, Christine M Sorenson, Reyhaneh Sepehr, Nader Sheibani, Carol J Hirschmugl
Diabetic retinopathy is a microvascular complication of diabetes that can lead to blindness. In the present study, we aimed to determine the nature of diabetes-induced, highly localized biochemical changes in the neuroretina at the onset of diabetes. High-resolution synchrotron Fourier transform infrared (s-FTIR) wide field microscopy coupled with multivariate analysis (PCA-LDA) was employed to identify biomarkers of diabetic retinopathy with spatial resolution at the cellular level. We compared the retinal tissue prepared from 6-week-old Ins2(Akita/+) heterozygous (Akita/+, N = 6; a model of diabetes) male mice with the wild-type (control, N = 6) mice...
February 17, 2017: Analyst
https://www.readbyqxmd.com/read/28210097/epac1-agonist-decreased-inflammatory-proteins-in-retinal-endothelial-cells-and-loss-of-epac1-increased-inflammatory-proteins-in-the-retinal-vasculature-of-mice
#13
Li Liu, Youde Jiang, Adam Chahine, Elizabeth Curtiss, Jena J Steinle
PURPOSE: Increased inflammatory mediator levels are reported in diabetic retinopathy. We previously reported that β-adrenergic receptor agonists reduced inflammatory mediators in the diabetic retina; however, these agents cannot be given systemically. Here, we investigated whether Epac1 is key to the protective effects of β-adrenergic receptor agonists. METHODS: We cultured primary human retinal endothelial cells (RECs) in normal (5 mM) or high (25 mM) glucose and treated them with an Epac1-specific agonist...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28208752/meta-analysis-on-the-association-of-aldh2-polymorphisms-and-type-2-diabetic-mellitus-diabetic-retinopathy
#14
Guang-Yi Li, Zi-Bo Li, Fang Li, Li-Ping Dong, Liang Tang, Ju Xiang, Jian-Ming Li, Mei-Hua Bao
Type 2 diabetic mellitus (T2DM) is a disease with high prevalence and a major cause for death worldwide. Diabetic retinopathy (DR) is one of the major manifestation of diabetes. Aldehyde dehydrogenease 2 (ALDH2) detoxifies aldehyde produced during ethanol metabolism and oxidative stress. It has been found that the polymorphism in ALDH2 rs671 is probably associated with the risk of T2DM and DR. However, a lot of inconsistency and controversy still exists. In order to get a more precise and comprehensive estimation for the association between ALDH2 polymorphism with the risk of T2DM and DR, we conducted the present meta-analysis...
February 8, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28208170/optical-coherence-tomographic-angiography-in-type-2-diabetes-and-diabetic-retinopathy
#15
Daniel Shu Wei Ting, Gavin Siew Wei Tan, Rupesh Agrawal, Yasuo Yanagi, Nicole Ming Sie, Chee Wai Wong, Ian Yew San Yeo, Shu Yen Lee, Chui Ming Gemmy Cheung, Tien Yin Wong
Importance: Optical coherence tomographic angiography (OCT-A) is able to visualize retinal microvasculature without the need for injection of fluorescein contrast dye. Nevertheless, it is only able to capture a limited view of macula and does not show leakage. Objectives: To evaluate the retinal microvasculature using OCT-A in patients with type 2 diabetes as well as the association of OCT-A characteristics with diabetic retinopathy (DR) and systemic risk factors...
February 16, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28207728/discharge-outcomes-of-patients-referred-to-specialist-eye-clinic-from-diabetic-retinopathy-screening-in-northland-2014-15
#16
Pragnya Jagadish, David Dalziel
AIMS: To determine the discharge outcomes of patients seen in specialist eye clinic after referral from diabetic retinopathy screening (DRS). METHODS: Retrospective analysis of outcomes of a sample of 98 patients referred from DRS to specialist eye clinic. RESULTS: A sample of 98 patients were analysed following referral by DRS to specialist eye clinic from 16/4/14 to 16/4/15. Age at screening ranged from 13-88 years, with the main ethnic groups being Māori (57...
February 17, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28207727/prevalence-of-diabetic-retinopathy-at-first-presentation-to-the-retinal-screening-service-in-the-greater-wellington-region-of-new-zealand-2006-2015-and-implications-for-models-of-retinal-screening
#17
Lily Yl Chang, Arier C Lee, Wilson Sue
AIM: To describe the prevalence of diabetic retinopathy (DR) in patients at first presentation for diabetic retinal screening in the greater Wellington region with the intent of service evaluation. METHODS: This is a retrospective study using data collected from patients newly referred for diabetic retinal screening between 2006-2015 (prevalence analysis, n=12667). The prevalence of DR was calculated by gender, ethnicity, age, type of diabetes and glycaemic control (HbA1c)...
February 17, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28207726/long-term-survival-following-diabetic-vitrectomy
#18
Bia Z Kim, Kuo-Luong Lee, Stephen J Guest, David Worsley
AIM: To update long-term survival data on patients with proliferative diabetic retinopathy undergoing vitrectomy and to identify associated risk factors. METHODS: Retrospective clinical record review at a single New Zealand tertiary referral centre. A total of 182 eyes that underwent a vitrectomy for a diabetic vitreous haemorrhage and/or tractional retinal detachment between March 2000 and December 2010 were included. Kaplan-Meier survival curves and Cox-regression analyses were performed for survival rates and associated risk factors...
February 17, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28207608/effects-of-internal-limiting-membrane-peeling-combined-with-removal-of-idiopathic-epiretinal-membrane-a-systematic-review-of-literature-and-meta-analysis
#19
Kunihiro Azuma, Takashi Ueta, Shuichiro Eguchi, Makoto Aihara
PURPOSE: To evaluate the effects on postoperative prognosis of internal limiting membrane (ILM) peeling in conjunction with removal of idiopathic epiretinal membranes (ERMs). METHODS: MEDLINE, Cochrane Central Register of Controlled Trials (CENTRAL), and EMBASE were systematically searched for studies that compared ILM peeling with no ILM peeling in surgery to remove idiopathic ERM. Outcome measures were best-corrected visual acuity, central macular thickness, and ERM recurrence...
February 15, 2017: Retina
https://www.readbyqxmd.com/read/28203186/real-life-iluvien-fluocinolone-acetonide-case-study-rapid-drying-of-the-macula-and-improved-vision-within-2-years-after-therapy-initiation
#20
Hibba Quhill, Fahd Quhill
IMPORTANCE: A case showing sustained structural and functional responses 2 years after a single treatment with ILUVIEN (0.2 µg/day fluocinolone acetonide, FAc) despite suboptimal responses to ranibizumab. OBSERVATIONS: A 68-year-old female patient with diabetic macular oedema (DME) from type 2 diabetes mellitus was first diagnosed in October 2010 and had a baseline visual acuity (VA) of 46 Early Treatment Diabetic Retinopathy Study (ETDRS) letters in the left eye...
September 2016: Case Reports in Ophthalmology
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