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Diabetes,diabetic retinopathy

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https://www.readbyqxmd.com/read/28821861/the-validity-of-self-report-of-eye-diseases-in-participants-with-vision-loss-in-the-national-eye-health-survey
#1
Joshua Foreman, Jing Xie, Stuart Keel, Peter van Wijngaarden, Hugh R Taylor, Mohamed Dirani
We assessed the validity and reliability of self-report of eye disease in participants with unilateral vision loss (presenting visual acuity worse than 6/12 in the worse eye and equal to or better than 6/12 in the better eye) or bilateral vision loss (presenting visual acuity worse than 6/12 in the better eye) in Australia's National Eye Health Survey. In total, 1738 Indigenous Australians and 3098 non-Indigenous Australians were sampled from 30 sites. Participants underwent a questionnaire and self-reported their eye disease histories...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821857/cdkal1-rs7756992-is-associated-with-diabetic-retinopathy-in-a-chinese-population-with-type-2-diabetes
#2
Danfeng Peng, Jie Wang, Rong Zhang, Feng Jiang, Claudia H T Tam, Guozhi Jiang, Tao Wang, Miao Chen, Jing Yan, Shiyun Wang, Dandan Yan, Zhen He, Ronald C W Ma, Yuqian Bao, Cheng Hu, Weiping Jia
Diabetic retinopathy (DR) is a major microvascular complication of diabetes. Susceptibility genes for type 2 diabetes may also impact the susceptibility of DR. This case-control study investigated the effects of 88 type 2 diabetes susceptibility loci on DR in a Chinese population with type 2 diabetes performed in two stages. In stage 1, 88 SNPs were genotyped in 1,251 patients with type 2 diabetes, and we found that ADAMTS9-AS2 rs4607103, WFS1 rs10010131, CDKAL1 rs7756992, VPS26A rs1802295 and IDE-KIF11-HHEX rs1111875 were significantly associated with DR...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821742/rock-1-mediates-diabetes-induced-retinal-pigment-epithelial-and-endothelial-cell-blebbing-contribution-to-diabetic-retinopathy
#3
Pierre-Raphaël Rothschild, Sawsen Salah, Marianne Berdugo, Emmanuelle Gélizé, Kimberley Delaunay, Marie-Christine Naud, Christophe Klein, Alexandre Moulin, Michèle Savoldelli, Ciara Bergin, Jean-Claude Jeanny, Laurent Jonet, Yvan Arsenijevic, Francine Behar-Cohen, Patricia Crisanti
In diabetic retinopathy, the exact mechanisms leading to retinal capillary closure and to retinal barriers breakdown remain imperfectly understood. Rho-associated kinase (ROCK), an effector of the small GTPase Rho, involved in cytoskeleton dynamic regulation and cell polarity is activated by hyperglycemia. In one year-old Goto Kakizaki (GK) type 2 diabetic rats retina, ROCK-1 activation was assessed by its cellular distribution and by phosphorylation of its substrates, MYPT1 and MLC. In both GK rat and in human type 2 diabetic retinas, ROCK-1 is activated and associated with non-apoptotic membrane blebbing in retinal vessels and in retinal pigment epithelium (RPE) that respectively form the inner and the outer barriers...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28820921/analysis-of-cone-mosaic-reflectance-properties-in-healthy-eyes-and-in-eyes-with-nonproliferative-diabetic-retinopathy-over-time
#4
Letizia Mariotti, Nicholas Devaney, Giuseppe Lombardo, Marco Lombardo
Purpose: We investigate the reflectance properties of the cone mosaic in adaptive optics (AO) images of healthy subjects and subjects with nonproliferative diabetic retinopathy (NPDR) over time. Methods: We acquired images of the parafoveal cone mosaic over 5 years in 12 healthy subjects and in six patients with mild NPDR. We analyzed the parameters of the cone intensity histogram distribution (mean, SD, and skewness), two metrics of the cone mosaic texture (sharpness and entropy), and two novel metrics (cone/intercone intensity and slope of the variogram)...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28820183/technique-of-retinal-gene-therapy-delivery-of-viral-vector-into-the-subretinal-space
#5
K Xue, M Groppe, A P Salvetti, R E MacLaren
PurposeSafe and reproducible delivery of gene therapy vector into the subretinal space is essential for successful targeting of the retinal pigment epithelium (RPE) and photoreceptors. The success of surgery is critical for the clinical efficacy of retinal gene therapy. Iatrogenic detachment of the degenerate (often adherent) retina in patients with hereditary retinal degenerations and small volume (eg, 0.1 ml) subretinal injections pose new surgical challenges.MethodsOur subretinal gene therapy technique involved pre-operative planning with optical coherence tomography (OCT) and autofluorescence (AF) imaging, 23 G pars plana vitrectomy, internal limiting membrane staining with Membrane Blue Dual (DORC BV, Zuidland, Netherlands), a two-step subretinal injection using a 41 G Teflon tipped cannula (DORC) first with normal saline to create a parafoveal bleb followed by slow infusion of viral vector via the same self-sealing retinotomy...
August 18, 2017: Eye
https://www.readbyqxmd.com/read/28819567/systemic-associations-with-residual-subretinal-fluid-after-ranibizumab-in-diabetic-macular-edema
#6
Meng-Ju Tsai, Yi-Ting Hsieh, Elizabeth P Shen, Yi-Jie Peng
PURPOSE: To investigate the impact of systemic diseases on the occurrence of subretinal fluid (SRF) in diabetic macular edema (DME) and prognostic factors for residual SRF following three consecutive monthly intravitreal ranibizumab. METHODS: Ninety-seven eyes from 68 patients with DME who completed 3 consecutive monthly injections of ranibizumab were enrolled. Systemic parameters mainly included chronic kidney disease (CKD), hypertension, HbA1c, and insulin dependence...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28819082/dysregulation-of-calpain-proteolytic-systems-underlies-degenerative-vascular-disorders
#7
Takuro Miyazaki, Akira Miyazaki
Chronic vascular diseases such as atherosclerosis, aneurysms, diabetic angiopathy/retinopathy as well as fibrotic and proliferative vascular diseases are generally complicated by the progression of degenerative insults, which are characterized by endothelial dysfunction, apoptotic/necrotic cell death in vascular/immune cells, remodeling of extracellular matrix or breakdown of elastic lamella. Increasing evidence suggests that dysfunctional calpain proteolytic systems and defective calpain protein metabolism in blood vessels contribute to degenerative disorders...
August 17, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28818533/the-association-between-bouted-and-non-bouted-physical-activity-on-retinopathy-prevalence
#8
Emily Frith, Paul D Loprinzi
OBJECTIVE: We evaluated the specific differential association between non-bouted, lifestyle physical activities (vs. structured exercise; i.e., bouted physical activity) on retinopathy prevalence among a national sample of the broader U.S. adult population. METHODS: Data from the 2005-2006 National Health and Nutrition Examination Survey (NHANES) was used to identify 1501 adults, between 40 and 85years. Bouted and non-bouted physical activities were assessed using objective accelerometer monitoring...
August 14, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28817863/prevention-detection-and-management-of-diabetes-in-south-dakota
#9
Amy L Hogue, Mark K Huntington
Diabetes mellitus (DM) is increasing in prevalence nationwide and in South Dakota, with an especially high prevalence in its American Indian population. Screening is not recommended for type 1 DM, but is for type 2 DM and pre-diabetes in certain populations. Fasting glucose, two-hour glucose tolerance test, or hemoglobin A1c are appropriate screening options. Treatment can include diabetic self-management education programs and medications. In addition to glycemic control, other cardiovascular risk factors must be reduced in these patients and specific testing and consultations should be performed to detect complications such as nephropathy or retinopathy...
2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28817829/altered-expression-profile-of-circular-rnas-in-the-serum-of-patients-with-diabetic-retinopathy-revealed-by-microarray
#10
Yonghao Gu, Genjie Ke, Lin Wang, Enliang Zhou, Kai Zhu, Yingying Wei
PURPOSE: Diabetic retinopathy (DR) is the leading cause of blindness among working age adults. Circular RNAs (circRNAs) are a kind of noncoding RNAs that are involved in the development of some diseases. Here, we aimed to determine the possible role of circRNAs in the pathogenesis of DR by determining the expression profile of circRNAs in the serum of DR patients. METHODS: Nineteen subjects with type 2 diabetes mellitus with proliferative DR (T2DR), 15 subjects with type 2 diabetes mellitus without DR (T2DM), and 21 age-matched nondiabetic control subjects were included in the study...
August 18, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28817814/cardiac-computed-tomography-angiographic-findings-as-predictors-of-late-heart-failure-in-an-asymptomatic-diabetic-cohort-an-8-year-prospective-follow-up-study
#11
David A Halon, Jubran Ayman, Ronen Rubinshtein, Barak Zafrir, Mali Azencot, Basil S Lewis
OBJECTIVES: Predictive models for heart failure (HF) in heterogeneous populations have had limited success. We examined cardiac computed tomography angiography (CTA) predictors of HF or cardiovascular death (HF-CVD) in a prospective study of asymptomatic diabetics undergoing baseline assessment by CTA. METHODS: The subjects (n = 735, aged 55-74 years, 51.2% women) had no clinical history of cardiovascular disease at study entry. Coronary artery calcium (CAC) score, CTA-defined coronary atherosclerosis, cardiac chamber volumes, and clinical data were collected and late outcome events recorded over 8...
August 18, 2017: Cardiology
https://www.readbyqxmd.com/read/28817788/the-joint-effect-of-the-endothelin-receptor-b-gene-ednrb-polymorphism-rs10507875-and-nitric-oxide-synthase-3-gene-nos3-polymorphism-rs869109213-in-slovenian-patients-with-type-2-diabetes-mellitus-and-diabetic-retinopathy
#12
Dejan Bregar, Ines Cilenšek, Sara Mankoč, Ana Reschner, Danijel Petrovič, Mojca Globočnik Petrovič
Increasing evidence suggests that endothelin and nitric oxide synthase genes and their products exert biological effects on the vasculature via the nitric oxide or endothelin pathway. The aim of the study was to evaluate the association of rs10507875 and rs869109213 (alone or in interaction) with diabetic retinopathy (DR) in subjects with type 2 diabetes mellitus (T2DM). We genotyped the single nucleotide polymorphism rs10507875 of the endothelin receptor B gene (EDNRB) and variable number tandem repeats rs869109213 of the nitric oxide synthase 3 gene (NOS3) in 270 Slovenian patients with DR and T2DM and 256 controls with T2DM without clinical signs of DR...
August 17, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28817540/association-of-olfactory-function-with-the-intensity-of-self-reported-physical-activity-in-adults-with-type-1-diabetes
#13
Bogusz Falkowski, Maciej Chudziński, Ewa Jakubowska, Anna Duda-Sobczak
INTRODUCTION    Olfactory function is impaired in patients with type 1 diabetes and can be recognized as a form of diabetic neuropathy. Physical activity has various beneficial effects on type 1 diabetes. OBJECTIVES    The aim of this study was to assess a relation between physical activity and olfactory function in patients with type 1 diabetes. PATIENTS AND METHODS    We enrolled 120 patients with type 1 diabetes referred to an outpatient diabetes clinic. Patients with diabetes duration of less than 5 years, age above 65 years, concomitant diabetic ketoacidosis, and those using drugs affecting nasal mucosa were excluded...
August 9, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28815013/diabetic-retinopathy-reversibility-of-epigenetic-modifications-and-new-therapeutic-targets
#14
REVIEW
Xinyuan Zhang, Lin Zhao, Brett Hambly, Shisan Bao, Kaiyue Wang
In recent years, considerable progress has been made in the molecular mechanisms of epigenetics in disease development and progression, the reversible characteristics of epigenetic modification provide new insights for the treatment of such diseases. The pathogenesis of diabetic retinopathy (DR) has not yet been fully understood, treatment of refractory and recurrent diabetic macular edema remains a big change in clinical practice. This review emphasizes that reversibility of epigenetic modification could provide a new strategy for the prevention and treatment of diseases...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28814412/long-term-outcomes-with-as-needed-aflibercept-in-diabetic-macular-oedema-2-year-outcomes-of-the-endurance-extension-study
#15
Charles C Wykoff, William C Ou, Rahul N Khurana, David M Brown, W Lloyd Clark, David S Boyer
BACKGROUND/AIMS: To evaluate the efficacy and safety of individualised 2.0 mg intravitreal aflibercept retreatment for diabetic macular oedema (DME) through the fifth year of management. METHODS: This is a phase IV, 2-year, open-label extension study. Sixty patients completing the 3-year VISTA DME (Study of Intravitreal Aflibercept Injection in Patients With Diabetic Macular Edema) phase III trial enrolled in the ENDURANCE (Long-Term Efficacy and Safety of Intravitreal Aflibercept for the Treatment of DME in Subjects Who Completed the VISTA DME Trial) extension study...
August 16, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28811796/visual-outcome-after-phacoemulsification-with-lens-implant-in-diabetic-and-non-diabetic-patients-a-comparative-study
#16
Abdul Rashid Shaikh, Abdul Haleem Mirani, Muhammad Saleh Memon, Muhammad Faisal Fahim
OBJECTIVE: To compare the visual outcomes of phacoemulsification surgery with intraocular lens (IOL) in persons with and without diabetes at end of follow-up. METHODS: This was a comparative, cross sectional, observational study with Non-probability, purposive sampling. After approval from "Research Ethical Committee of Isra Post-graduate Institute of Ophthalmology Karachi, 92 patients with cataract in one eye were selected. Patients were divided into two groups...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811763/microalbuminuria-in-type-2-diabetes-mellitus-the-tip-of-iceberg-of-diabetic-complications
#17
Tauseef Ahmad, Imran Ulhaq, Minaz Mawani, Najmul Islam
OBJECTIVE: To determine the prevalence of microalbuminuria and its association with hypertension and other diabetic complications among Type-2 diabetic patients attending at Aga Khan University Hospital Karachi. METHODS: 1280 Type-2 diabetes patients who visited the outpatient department of Aga Khan University Hospital from September 2014 to August 2016 were included in the study. Microalbuminuria was diagnosed if spot urinary microalbumin excretion was confirmed to be more than 20mg/l...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28810578/25g-compared-with-20g-vitrectomy-under-resight-non-contact-wide-angle-lenses-for-terson-syndrome
#18
Xinbang Mao, Zhipeng You
The aim of the present study was to compare the effectiveness of 25G vitrectomy to standard 20G vitrectomy for treatment of Terson syndrome under Resight non-contact wide-angle lenses. This was a case-control study of 20 patients with Terson syndrome (study group) that underwent 25G vitrectomy under Resight non-contact wide-angle lenses, with those of 20 matched patients that underwent 20G vitrectomy (control group). Medical records were reviewed from between July 2011 and October 2013. Data included results of the Early Treatment Diabetic Retinopathy Study examination, ophthalmology B-scan ultrasonography and fundus photography...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810572/diffusion-weighted-imaging-of-injuries-to-the-visual-centers-of-the-brain-in-patients-with-type-2-diabetes-and-retinopathy
#19
Ming Liang, Xing Chen, Feng Xue, Lingna Meng, Yunfeng Cong
The present study aimed to investigate the ability of diffusion-weighted imaging (DWI) to identify injury to the visual centers of the brain in patients with type 2 diabetes with retinopathy. The study included 84 cases (63 patients with type 2 diabetic retinopathy and 21 healthy individuals) that were assessed using DWI. Diabetic patients were equally divided into three groups: Proliferative diabetic retinopathy (PDR), non-proliferative diabetic retinopathy (NPDR) and diabetic without retinopathy. The results demonstrated that individuals in the PDR group had significantly higher disease duration and glycated hemoglobin levels than the diabetic without retinopathy group (P<0...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810481/the-effectiveness-of-cognitive-behavioural-therapy-for-depressed-patients-with-diabetes-a-systematic-review
#20
Jananezwary Kanapathy, Vanessa Bogle
Depression is common among patients with diabetes, who have a higher risk of diabetes-related complications such as diabetic retinopathy, nephropathy, neuropathy and macrovascular complications. The aim of the systematic review is to determine whether cognitive behavioural therapy is effective in reducing depressive symptoms and improving glycaemic control among depressed diabetic patients. The results reveal diversified application of cognitive behavioural therapy. All studies reported that cognitive behavioural therapy had a positive impact on depressive symptoms; three found an improvement in glycated haemoglobin, and one demonstrated improved self-efficacy and self-concept related to successful diabetes management...
June 1, 2017: Journal of Health Psychology
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