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Diabetic macular edema

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https://www.readbyqxmd.com/read/29158262/the-epac-rap1-pathway-prevents-and-reverses-cytokine-induced-retinal-vascular-permeability
#1
Carla J Ramos, Chengmao Lin, Xuwen Liu, David A Antonetti
Increased retinal vascular permeability contributes to macular edema, a leading cause of vision loss in eye pathologies such as diabetic retinopathy, age-related macular degeneration, and central retinal vein occlusions. Pathological changes in vascular permeability are driven by growth factors such as VEGF and by pro-inflammatory cytokines such as TNF-α. Identifying the pro-barrier mechanisms that block vascular permeability and restore the blood-retinal barrier (BRB) may lead to new therapies. The cAMP-dependent guanine nucleotide exchange factor EPAC promotes exchange of GTP in the small GTPase Rap1...
November 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29157443/a-benchmark-study-of-automated-intra-retinal-cyst-segmentation-algorithms-using-optical-coherence-tomography-b-scans
#2
G N Girish, V A Anima, Abhishek R Kothari, P V Sudeep, Sohini Roychowdhury, Jeny Rajan
(BACKGROUND AND OBJECTIVES): Retinal cysts are formed by accumulation of fluid in the retina caused by leakages from inflammation or vitreous fractures. Analysis of the retinal cystic spaces holds significance in detection and treatment of several ocular diseases like age-related macular degeneration, diabetic macular edema etc. Thus, segmentation of intra-retinal cysts and quantification of cystic spaces are vital for retinal pathology and severity detection. In the recent years, automated segmentation of intra-retinal cysts using optical coherence tomography B-scans has gained significant importance in the field of retinal image analysis...
January 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29155696/safety-of-consecutive-same-day-bilateral-intravitreal-dexamethasone-implant-ozurdex
#3
Kapil G Kapoor, James B Colchao
PURPOSE: The objective of this study was to evaluate patient safety and tolerance of consecutive bilateral intravitreal dexamethasone (Ozurdex) injections during a single visit for the treatment of cystoid macular edema secondary to retinal vein occlusion, diabetic macular edema, or noninfectious posterior uveitis. METHODS: This was a retrospective single-center institutional review board-approved study from March 1, 2013, through August 1, 2016. All patients had a complete ophthalmologic examination and optical coherence tomography imaging...
November 16, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29145552/association-between-perceived-barriers-to-diabetes-self-management-and-diabetic-retinopathy-in-asian-patients-with-type-2-diabetes
#4
Ryan Eyn Kidd Man, Eva K Fenwick, Alfred Tau Liang Gan, Charumathi Sabanayagam, Preeti Gupta, Amudha Aravindhan, Tien Yin Wong, Gavin Siew Wei Tan, Ecosse L Lamoureux
Importance: A patient's perceived barriers to diabetes self-management (DSM) may affect his or her risk of diabetic retinopathy (DR); however, few studies have examined this association. Objective: To examine the association between perceived barriers to DSM and the severity spectrum of DR in Asian patients with type 2 diabetes. Design, Setting, and Participants: A cross-sectional clinic-based study, the Singapore Diabetes Management Project, was conducted from December 28, 2010, to March 20, 2013, at the Singapore National Eye Centre, a tertiary eye care institute...
November 16, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29144826/cataract-surgery-in-patients-with-diabetes-management-strategies
#5
Scott R Peterson, Paolo A Silva, Timothy J Murtha, Jennifer K Sun
Diabetes is a chronic systemic disease that affects nearly one in eight adults worldwide. Ocular complications, such as cataract, can lead to significant visual impairment. Among the worldwide population, cataract is the leading cause of blindness, and patients with diabetes have an increased incidence of cataracts which mature earlier compared to the rest of the population. Cataract surgery is a common and safe procedure, but can be associated with vision-threatening complications in the diabetic population, such as diabetic macular edema, postoperative macular edema, diabetic retinopathy progression, and posterior capsular opacification...
November 16, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29142567/outcomes-of-intravitreal-bevacizumab-and-macular-photocoagulation-for-treatment-of-diabetic-macular-edema-in-a-tertiary-care-eye-hospital-karachi
#6
Adil Salim Jafri, Aziz-Ur-Rehman, Abdul Haleem Mirani, Saleh Memon
Objective: To study the outcomes of intravitreal injection of Bevacizumab and laser photocoagulation in the treatment of diabetic macular edema (DME). Methods: Seventy-two eyes of 59 patients with diabetic macular edema were divided into two groups of 41 eyes (Group-A) and 31 eyes (Group-B). Subjects in group-A were treated with three intravitreal injections of Bevacizumab (IVB), and that of group-B with macular photocoagulation. Duration of study was 9 months. Follow up pattern for both groups was1, 2, 3 and 6 months...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29137019/optical-coherence-tomography-angiography-in-patients-with-diabetic-retinopathy-treated-with-anti-vegf-intravitreal-injections-case-report
#7
Katarzyna Michalska-Małecka, Anna Heinke Knudsen
PURPOSE: To present optical coherence tomography angiography (OCTA) features in patients with diabetic retinopathy (DR) at the baseline and in response to treatment with anti-VEGF intravitreal injections. To investigate the role of OCTA in management of patients with DR. METHODS: Retrospective case series showing primary outcomes of 3 patients with DR and diabetic macular edema. Patients were injected intravitreally a loading phase of 3 monthly 2.0 mg aflibercept, followed by 2 injections bimonthly (5 injections in total)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29135802/panretinal-photocoagulation-versus-ranibizumab-for-proliferative-diabetic-retinopathy-comparison-of-peripapillary-retinal-nerve-fiber-layer-thickness-in-a-randomized-clinical-trial
#8
Lee M Jampol, Isoken Odia, Adam R Glassman, Carl W Baker, Anjali M Bhorade, Dennis P Han, Glenn J Jaffe, Michele Melia, Neil M Bressler, Angelo P Tanna
PURPOSE: Compare changes in retinal nerve fiber layer (RNFL) thickness between eyes assigned to intravitreous ranibizumab or panretinal photocoagulation and assess correlations between changes in RNFL and visual field sensitivity and central subfield thickness. METHODS: Eyes with proliferative diabetic retinopathy were randomly assigned to ranibizumab or panretinal photocoagulation. Baseline and annual follow-up spectral domain optical coherence tomography RNFL imaging, optical coherence tomography macular imaging, and automated static perimetry (Humphrey visual field 60-4 algorithm) were performed...
November 10, 2017: Retina
https://www.readbyqxmd.com/read/29132693/relationship-between-visual-outcomes-and-retinal-fluid-resorption-in-patients-with-diabetic-macular-edema-treated-with-ranibizumab
#9
B Penaud, F Fajnkuchen, O Levy, G Chaine, A Giocanti-Auregan
PURPOSE: We assessed the relationship between visual acuity (VA) recovery and a qualitative criterion - complete retinal fluid resorption (CRFR) - among patients treated with ranibizumab for diabetic macular edema (DME) METHODS: All consecutive diabetic patients with central DME received a loading dose of 3 monthly injections of ranibizumab 0.5mg, followed by retreatments on an as-needed basis as determined by monthly follow-up. Patients were divided into 3 groups: CRFR (defined as a CRT <300μm and restoration of the foveolar pit) with BCVA≤70 letters (group 1: G1), CRFR with BCVA>70 letters (20/40) (G2), and persistent retinal fluid throughout the follow-up (G3)...
November 10, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29127949/effect-of-adding-dexamethasone-to-continued-ranibizumab-treatment-in-patients-with-persistent-diabetic-macular-edema-a-drcr-network-phase-2-randomized-clinical-trial
#10
Raj K Maturi, Adam R Glassman, Danni Liu, Roy W Beck, Abdhish R Bhavsar, Neil M Bressler, Lee M Jampol, Michele Melia, Omar S Punjabi, Hani Salehi-Had, Jennifer K Sun
Importance: Some eyes have persistent diabetic macular edema (DME) following anti-vascular endothelial growth factor (anti-VEGF) therapy for DME. Subsequently adding intravitreous corticosteroids to the treatment regimen might result in better outcomes than continued anti-VEGF therapy alone. Objective: To compare continued intravitreous ranibizumab alone with ranibizumab plus intravitreous dexamethasone implant in eyes with persistent DME. Design, Setting, and Participants: Phase 2 multicenter randomized clinical trial conducted at 40 US sites in 129 eyes from 116 adults with diabetes between February 2014 and December 2016...
November 11, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29127657/real-world-cost-savings-demonstrated-by-switching-patients-with-refractory-diabetic-macular-edema-to-intravitreal-fluocinolone-acetonide-iluvien-a-retrospective-cost-analysis-study
#11
Soon W Ch'ng, Alexander J Brent, Theodoros Empeslidis, Vasileios Konidaris, Somnath Banerjee
INTRODUCTION: It is hypothesized that using fluocinolone acetonide (FAc) implants such as Iluvien for the treatment of diabetic macular edema (DME) may reduce the total number of intravitreal injections and clinic visits, resulting in an overall treatment cost reduction. The primary aim of this study is to identify the real-world cost savings achievable in a tertiary National Health Service (NHS) hospital. METHODS: A retrospective cost analysis study was conducted...
November 10, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/29126927/mechanisms-of-macular-edema-beyond-the-surface
#12
REVIEW
Alejandra Daruich, Alexandre Matet, Alexandre Moulin, Laura Kowalczuk, Michaël Nicolas, Alexandre Sellam, Pierre-Raphaël Rothschild, Samy Omri, Emmanuelle Gélizé, Laurent Jonet, Kimberley Delaunay, Yvonne De Kozak, Marianne Berdugo, Min Zhao, Patricia Crisanti, Francine Behar-Cohen
Macular edema consists of intra- or subretinal fluid accumulation in the macular region. It occurs during the course of numerous retinal disorders and can cause severe impairment of central vision. Major causes of macular edema include diabetes, branch and central retinal vein occlusion, choroidal neovascularization, posterior uveitis, postoperative inflammation and central serous chorioretinopathy. The healthy retina is maintained in a relatively dehydrated, transparent state compatible with optimal light transmission by multiple active and passive systems...
November 7, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/29120250/retinal-vascular-caliber-changes-after-topical-nepafenac-treatment-for-diabetic-macular-edema
#13
Ferhat Evliyaoğlu, Çetin Akpolat, Muhammed Mustafa Kurt, Osman Çekiç, Mustafa Nuri Elçioğlu
PURPOSE: To assess changes in retinal vascular caliber in response to short-term use of nepafenac eye drops in patients with mild diabetic macular edema. MATERIALS AND METHODS: Thirty-four patients with previously untreated bilateral mild diabetic macular edema were included in this prospective study. For each participant, one eye was randomly assigned to nepafenac treatment (0.1%, three times/day) and the other eye was left untreated throughout the study. Using digital fundus photographs, retinal vascular calibers were calculated and compared in treated and untreated eyes at the baseline, week 1, and week 6...
November 9, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29120158/diabetic-macular-edema-traditional-and-novel-treatment
#14
Martina Tomić, Romano Vrabec, Tamara Poljičanin, Spomenka Ljubić, Lea Duvnjak
Diabetes is one of the leading public health problems worldwide. Diabetic macular edema (DME) is the main cause of vision loss in patients with diabetes. Ideal metabolic control of diabetes is the primary goal of treatment and the basic way of preventing and stopping the progression of DME. Although laser photocoagulation has been the standard treatment of DME for nearly three decades, superior outcomes can be achieved with novel, intravitreal anti-VEGF and steroid therapy. Novel treatment option for DME depends on visual acuity and location/extent of macular thickening based on optical coherence tomography scans...
March 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29120156/diabetic-macular-edema-traditional-and-novel-treatment
#15
Martina Tomić, Romano Vrabec, Tamara Poljičanin, Spomenka Ljubić, Lea Duvnjak
Diabetes is one of the leading public health problems worldwide. Diabetic macular edema (DME) is the main cause of vision loss in patients with diabetes. Ideal metabolic control of diabetes is the primary goal of treatment and the basic way of preventing and stopping the progression of DME. Although laser photocoagulation has been the standard treatment of DME for nearly three decades, superior outcomes can be achieved with novel, intravitreal anti-VEGF and steroid therapy. Novel treatment option for DME depends on visual acuity and location/extent of macular thickening based on optical coherence tomography scans...
March 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29119239/safety-and-efficacy-of-dexamethasone-intravitreal-implant-for-treatment-of-macular-edema-secondary-to-retinal-vein-occlusion-in-chinese-patients-randomized-sham-controlled-multicenter-study
#16
Xiaoxin Li, Ningli Wang, Xiaoling Liang, Gezhi Xu, Xiao-Yan Li, Jenny Jiao, Jean Lou, Yehia Hashad
PURPOSE: The purpose of this study was to evaluate the safety and efficacy of dexamethasone intravitreal implant 0.7 mg (DEX) for treatment of macular edema associated with retinal vein occlusion (RVO). METHODS: This study was a six-month, randomized, double-masked, sham-controlled, multicenter, phase 3 clinical trial with a 2-month open-label study extension. Patients with branch or central RVO received DEX (n = 129) or sham procedure (n = 130) in the study eye at baseline; all patients who met re-treatment criteria received DEX at month 6...
November 8, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29118706/recurrent-diabetic-macular-edema-what-to-do
#17
Rita Santos Gonçalves, Carla Teixeira, Pedro Coelho
Diabetic macular edema (DME) is a leading cause of blindness in the working population. Herein, we report the case of a patient with recurrent DME for about 6 years, uncontrolled by several medical and surgical treatments, that was successfully treated with a single sustained-release fluocinolone acetonide intravitreal implant in her right eye. The affected eye had presented a visual acuity of 2/10 and a central macular thickness of 488 µm prior to the injection. After treatment with the fluocinolone acetonide intravitreal implant, the patient's right eye presented an improvement in best corrected visual acuity to 6/10 and a reduction of central macular thickness to 198 µm...
September 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29118493/experience-of-intravitreal-triamcinolone-acetonide-for-treatment-of-diabetic-macular-edema-among-omani-population
#18
Ahmed Al Hinai, Upender Krishen Wali, Tayseer Abdul Rasool, Syed G Rizvi
PURPOSE: The purpose of this study was to evaluate the outcome of intravitreal (IVT) triamcinolone in diabetic macular edema (DME). MATERIALS AND METHODS: A retrospective study of 42 eyes diagnosed clinically and supported with optical coherence tomography (OCT), with DME of more than 300 μm in thickness. All eyes were injected with a single IVT injection of preservative free triamcinolone acetonide (TA) with dose of 4 mg. Patients were subjected to visual acuity (VA) and OCT on each follow-up visit which was continued for 6 months...
September 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/29110201/dexamethasone-intravitreal-implant-in-diabetic-macular-edema-real-life-data-from-a-prospective-study-and-predictive-factors-for-visual-outcome
#19
Irini Chatziralli, Panagiotis Theodossiadis, Efstratios Parikakis, Eleni Dimitriou, Tina Xirou, George Theodossiadis, Stamatina Α Kabanarou
INTRODUCTION: The purpose of the study was to evaluate the long-term anatomical and functional outcomes in patients with diabetic macular edema (DME) treated with intravitreal dexamethasone implant and to determine the predictive factors for the final visual outcome. METHODS: The study included 54 patients with DME refractory to previous antivascular endothelial growth factor (anti-VEGF) who were treated with intravitreal dexamethasone implant. Predictive factors for visual outcome were assessed...
December 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/29109896/outcomes-of-intravitreal-dexamethasone-implant-in-the-treatment-of-recalcitrant-diabetic-macular-edema
#20
Dorukcan Akıncıoğlu, Murat Küçükevcilioğlu, Ali Hakan Durukan, Seçkin Aykaş, Önder Ayyıldız, Fazıl Cüneyt Erdurman
Objectives: To investigate the efficacy and safety of intravitreal dexamethasone (OZURDEX®) implantation in patients with recalcitrant diabetic macular edema. Materials and Methods: This is a retrospective non-randomized study of patients who underwent intravitreal dexamethasone implantation for recalcitrant diabetic macular edema. Main outcome measures included changes in best corrected visual acuity (BCVA), central macular thickness (CMT), and incidence of ocular side effects...
October 2017: Turkish Journal of Ophthalmology
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