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Diabetic macular edema

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https://www.readbyqxmd.com/read/28643714/comparison-of-vitrectomized-with-nonvitrectomized-eyes-after-subtenon-injection-of-triamcinolone-acetonide-to-treat-diabetic-macular-edema-retrospective-comparative-analysis-of-an-interventional-case-series
#1
Kang Yeun Pak, Beom Seok Choi, Sung Who Park, Ik Soo Byon, Ji Eun Lee
PURPOSE: Triamcinolone acetonide (TA) is an alternative option for diabetic macular edema thanks to its cost-benefit ratio and unique delivery route. We performed this study to compare vitrectomized with nonvitrectomized eyes treated with subtenon TA injection for diabetic macular edema. MATERIALS AND METHODS: We retrospectively reviewed the medical records of patients who had undergone subtenon TA injection for diabetic macular edema treatment. The patients were divided into two groups: Vitrectomized and nonvitrectomized...
June 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28642823/visualization-of-changes-in-the-foveal-avascular-zone-in-both-observed-and-treated-diabetic-macular-edema-using-optical-coherence-tomography-angiography
#2
Aditya Gill, Emily D Cole, Eduardo A Novais, Ricardo N Louzada, Talisa de Carlo, Jay S Duker, Nadia K Waheed, Caroline R Baumal, Andre J Witkin
BACKGROUND: Central vision loss in diabetic retinopathy is commonly related to diabetic macular edema (DME). The objective of this study was to describe changes between consecutive visits on optical coherence tomography angiography (OCTA) of the foveal avascular zone (FAZ) in eyes with DME. METHODS: 20 eyes from 14 patients with DME were imaged on 2 successive clinic visits separated by at least 1 month. The mean interval between visits was 3.2 months. The only intervention used was intravitreal anti-VEGF in 11 eyes; the others were observed over time without treatment...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28630791/corticosteroid-treatment-in-diabetic-macular-edema
#3
REVIEW
Burcu Nurözler Tabakcı, Nurten Ünlü
Diabetic macular edema is the most common cause of visual impairment in patients with diabetes mellitus. The pathogenesis of macular edema is complex and multifactorial. For many years, laser photocoagulation has been considered the standard therapy for the treatment of diabetic macular edema; however, few patients achieve significant improvements in visual acuity. Today the intravitreal administration of anti-inflammatory or anti-angiogenic agents together with the use of laser photocoagulation represents the standard of care for the treatment of this complication...
June 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28625129/triamcinolone-acetonide-suppresses-inflammation-and-facilitates-vascular-barrier-function-in-human-retinal-microvascular-endothelial-cells
#4
Shunsuke Imai, Tomohiro Otsuka, Akira Naito, Masamitsu Shimazawa, Hideaki Hara
BACKGROUND: Diabetic macular edema (DME) is resulted from the retinal microvascular leakage that accompanies the breakdown of blood-retinal barrier. Triamcinolone acetonide (TA) is a therapeutic agent for DME, but since the detailed mechanism of action of TA is not known, part of its action was examined. METHODS: In vitro model to enhance the permeability of human retinal microvascular endothelial cells (HRMECs) was constructed by using DME-related cytokines such as vascular endothelial growth factor (VEGF), tumor necrosis factor-α (TNF-α), and interleukin-1β (IL-1β)...
June 18, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28622321/identification-of-time-point-to-best-define-sub-optimal-response-following-intravitreal-ranibizumab-therapy-for-diabetic-macular-edema-based-on-real-life-data
#5
I Chatziralli, M Santarelli, N Patrao, L Nicholson, M Zola, R Rajendram, P Hykin, S Sivaprasad
PurposeTo determine the average time-point at which it is best to define 'sub-optimal response' after ranibizumab treatment for diabetic macular edema (DME) based on the data obtained from real-life clinical practice.MethodsIn this retrospective observational study, 322 consecutive treatment naïve eyes with DME were treated with three loading doses of intravitreal ranibizumab followed by re-treatment based on decision of the treating physician on a case-by-case basis. The demographic data, clinic-based visual acuity measurements and central subfield thickness (CST) assessed on spectral domain optical coherence tomography (OCT) were evaluated at baseline (month 0), 1, 2, 3, 6, and 12 months...
June 16, 2017: Eye
https://www.readbyqxmd.com/read/28616715/effects-of-intravitreal-injection-of-bevacizumab-with-or-without-anterior-chamber-paracentesis-on-intraocular-pressure-and-peripapillary-retinal-nerve-fiber-layer-thickness-a-prospective-study
#6
Masoud Soheilian, Saeed Karimi, Talieh Montahae, Homayoun Nikkhah, Seyed Aliasghar Mosavi
PURPOSE: To investigate the effects of intravitreal injection of bevacizumab (IVB) with or without anterior chamber paracentesis on intraocular pressure (IOP) and peripapillary retinal nerve fiber layer (PRNFL) thickness. METHODS: In this prospective randomized clinical trial, 90 eyes with center involving diabetic macular edema or wet type age-related macular degeneration (AMD) were randomly assigned to receive IVB either without (group A) or with (group B) anterior chamber paracentesis...
June 14, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28613220/optical-coherence-tomography-baseline-predictors-for-initial-best-corrected-visual-acuity-response-to-intravitreal-anti-vascular-endothelial-growth-factor-treatment-in-eyes-with-diabetic-macular-edema-the-chartres-study
#7
Ana R Santos, Miguel  Costa, Christian Schwartz, Dalila Alves, João Figueira, Rufino Silva, Jose G Cunha-Vaz
PURPOSE: To identify baseline optical coherence tomography morphologic characteristics predicting the visual response to anti-vascular endothelial growth factor therapy in diabetic macular edema. METHODS: Sixty-seven patients with diabetic macular edema completed a prospective, observational study (NCT01947881-CHARTRES). All patients received monthly intravitreal injections of Lucentis for 3 months followed by PRN treatment and underwent best-corrected visual acuity measurements and spectral domain optical coherence tomography at Baseline, Months 1, 2, 3, and 6...
May 2, 2017: Retina
https://www.readbyqxmd.com/read/28613217/macular-edema-after-cataract-surgery-in-eyes-with-preoperative-retinal-vein-occlusion
#8
Han Joo Cho, Hyun Ji Hwang, Hyoung Seok Kim, Dong Won Lee, Chul Gu Kim, Byoung Yeop Kim, Jong Woo Kim
PURPOSE: To evaluate the incidence of pseudophakic macular edema (PME) in eyes with a history of retinal vein occlusion before cataract surgery and to identify any associated risk factors. METHODS: The records of 21,332 eyes that underwent cataract surgery were retrospectively reviewed. Eyes that had retinal vein occlusion preoperatively with no evidence of macular pathology on optical coherence tomography at the time of surgery and no macular edema treatment at least 6 months before surgery were included...
May 2, 2017: Retina
https://www.readbyqxmd.com/read/28611649/a-case-of-diabetic-macular-edema-with-prominent-chorioretinal-folds
#9
Takaki Sato, Ryohsuke Kohmoto, Masanori Fukumoto, Seita Morishita, Daisaku Kimura, Kensuke Tajiri, Takatoshi Kobayashi, Teruyo Kida, Shota Kojima, Tsunehiko Ikeda
PURPOSE: To report a case of diabetic macular edema with prominent chorioretinal folds. CASE REPORT: This study involved a 55-year-old male with untreated bilateral diabetic retinopathy who had undergone cataract surgery at another clinic. Following that surgery, diabetic macular edema rapidly exacerbated, accentuating marked cystoid macular edema and radial chorioretinal folds in the macula. Investigation of his medical history revealed that in addition to diabetes, he had uncontrolled hypertension and severe diabetic nephropathy...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28603408/efficacy-of-nepafenac-ophthalmic-suspension-0-1-in-improving-clinical-outcomes-following-cataract-surgery-in-patients-with-diabetes-an-analysis-of-two-randomized-studies
#10
Rishi P Singh, Giovanni Staurenghi, Ayala Pollack, Adeniyi Adewale, Thomas M Walker, Dana Sager, Robert Lehmann
OBJECTIVE: To assess the efficacy of nepafenac 0.1% ophthalmic suspension in improving the clinical outcomes following cataract surgery (CS) in patients with nonproliferative diabetic retinopathy. METHODS: In two similar multicenter, randomized studies, patients received either nepafenac 0.1% or vehicle, instilled three times daily starting a day prior to surgery and continuing for 90 days postoperatively. A post hoc analysis of these two studies was conducted to assess 1) the likelihood for development of postoperative macular edema (ME), based on the percentage of patients who developed ME (≥30% increase from preoperative baseline in central subfield macular thickness) within 90 days following CS and 2) best-corrected visual acuity (BCVA) endpoints, including the percentage of patients with a BCVA improvement of ≥15 letters from preoperative baseline to Day 14 and maintained through Day 90...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28602949/connexin-channel-and-its-role-in-diabetic-retinopathy
#11
REVIEW
Sayon Roy, Jean X Jiang, An-Fei Li, Dongjoon Kim
Diabetic retinopathy is the leading cause of blindness in the working age population. Unfortunately, there is no cure for this devastating ocular complication. The early stage of diabetic retinopathy is characterized by the loss of various cell types in the retina, namely endothelial cells and pericytes. As the disease progresses, vascular leakage, a clinical hallmark of diabetic retinopathy, becomes evident and may eventually lead to diabetic macular edema, the most common cause of vision loss in diabetic retinopathy...
June 7, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28601428/vegf-production-and-signaling-in-m%C3%A3-ller-glia-are-critical-to-modulating-vascular-function-and-neuronal-integrity-in-diabetic-retinopathy-and-hypoxic-retinal-vascular-diseases
#12
Yun-Zheng Le
Müller glia (MG) are major retinal supporting cells that participate in retinal metabolism, function, maintenance, and protection. During the pathogenesis of diabetic retinopathy (DR), a neurovascular disease and a leading cause of blindness, MG modulate vascular function and neuronal integrity by regulating the production of angiogenic and trophic factors. In this article, I will (1) briefly summarize our work on delineating the role and mechanism of MG-modulated vascular function through the production of vascular endothelial growth factor (VEGF) and on investigating VEGF signaling-mediated MG viability and neural protection in diabetic animal models, (2) explore the relationship among VEGF and neurotrophins in protecting Müller cells in in vitro models of diabetes and hypoxia and its potential implication to neuroprotection in DR and hypoxic retinal diseases, 7and (3) discuss the relevance of our work to the effectiveness and safety of long-term anti-VEGF therapies, a widely used strategy to combat DR, diabetic macular edema, neovascular age-related macular degeneration, retinopathy of prematurity, and other hypoxic retinal vascular disorders...
June 7, 2017: Vision Research
https://www.readbyqxmd.com/read/28592309/machine-learning-techniques-for-diabetic-macular-edema-dme-classification-on-sd-oct-images
#13
Khaled Alsaih, Guillaume Lemaitre, Mojdeh Rastgoo, Joan Massich, Désiré Sidibé, Fabrice Meriaudeau
BACKGROUND: Spectral domain optical coherence tomography (OCT) (SD-OCT) is most widely imaging equipment used in ophthalmology to detect diabetic macular edema (DME). Indeed, it offers an accurate visualization of the morphology of the retina as well as the retina layers. METHODS: The dataset used in this study has been acquired by the Singapore Eye Research Institute (SERI), using CIRRUS TM (Carl Zeiss Meditec, Inc., Dublin, CA, USA) SD-OCT device. The dataset consists of 32 OCT volumes (16 DME and 16 normal cases)...
June 7, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28579062/distribution-of-nonperfusion-area-on-ultra-wide-field-fluorescein-angiography-in-eyes-with-diabetic-macular-edema-dave-study
#14
Wenying Fan, Kang Wang, Khalil Ghasemi Falavarjani, Min Sagong, Akihito Uji, Michael Ip, Charles C Wykoff, David M Brown, Jano van Hemert, SriniVas R Sadda
PURPOSE: To explore the distribution of nonperfusion area (NPA) in eyes with diabetic macular edema (DME) and its relationship with the severity of DME. DESIGN: Prospective, observational case series. METHODS: Forty eyes of 29 patients with treatment-naïve DME who participated in the DAVE study (NCT01552408) were included. Ultra-wide field fluorescein angiography images were sent to the Doheny Image Reading Center, where they were montaged and corrected using stereographic projection to adjust for peripheral distortion...
June 1, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28577137/ischemic-index-changes-in-diabetic-retinopathy-after-intravitreal-dexamethasone-implant-using-ultra-widefield-fluorescein-angiography-a-pilot-study
#15
Lea Querques, Mariacristina Parravano, Riccardo Sacconi, Alessandro Rabiolo, Francesco Bandello, Giuseppe Querques
AIMS: To investigate the effect of dexamethasone intravitreal implant on peripheral ischemia in patients affected by diabetic macular edema (DME). METHODS: Patients with treatment-naïve diabetic retinopathy (DR) undergoing intravitreal dexamethasone implant for DME between October 2015 and March 2017 were enrolled. Patients underwent a comprehensive ocular examination at baseline (<2 weeks before treatment) and 10 ± 2 weeks after dexamethasone implant including best-corrected visual acuity (BCVA), intraocular pressure, optical coherence tomography, ultra-widefield (UWF) retinography and UWF fluorescein angiography (UWFA)...
June 2, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28574436/qualitative-and-quantitative-assessment-of-vascular-changes-in-diabetic-macular-edema-after-dexamethasone-implant-using-optical-coherence-tomography-angiography
#16
Lisa Toto, Rossella D'Aloisio, Marta Di Nicola, Giuseppe Di Martino, Silvio Di Staso, Marco Ciancaglini, Daniele Tognetto, Leonardo Mastropasqua
The aim of this study was to investigate retinal and choriocapillaris vessel changes in diabetic macular edema (DME) after the intravitreal dexamethasone implant (IDI) using optical coherence tomography angiography (OCTA). Moreover, a comparison between morphological and functional parameters of DME and healthy patients was performed. Twenty-five eyes of 25 type 2 diabetic retinopathy patients complicated by macular edema (DME group) and 25 healthy subjects (control group) were enrolled. Superficial capillary plexus density (SCPD) and deep capillary plexus density (DCPD) in the foveal and parafoveal areas, choricapillary density (CCD) and optic disc vessel density (ODVD) were detected using OCTA at baseline and after 7, 30, 60, 90 and 120 days post injection...
June 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28567164/pars-plana-vitrectomy-with-internal-limiting-membrane-peeling-for-nontractional-diabetic-macular-edema
#17
Jan Niklas Ulrich
BACKGROUND: Diabetes mellitus remains the leading cause of blindness among working age Americans with diabetic macular edema being the most common cause for moderate and severe vision loss. OBJECTIVE: To investigate the anatomical and visual benefits of pars plana vitrectomy with inner limiting membrane peeling in patients with nontractional diabetic macular edema as well as correlation of integrity of outer retinal layers on spectral domain optical coherence tomography to visual outcomes...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28564655/aqueous-humor-levels-of-soluble-vascular-endothelial-growth-factor-receptor-and-inflammatory-factors-in-diabetic-macular-edema
#18
Hidetaka Noma, Tatsuya Mimura, Kanako Yasuda, Ryosuke Motohashi, Osamu Kotake, Masahiko Shimura
Aqueous levels of soluble vascular endothelial growth factor receptor (sVEGFR) and inflammatory factors were measured in 35 patients (37 eyes) with diabetic macular edema (DME) receiving anti-vascular endothelial growth factor (VEGF) therapy. Aqueous levels of growth factors (VEGF, placental growth factor [PlGF], and platelet-derived growth factor AA [PDGF-AA]), sVEGFR-1 and -2, soluble intercellular adhesion molecule 1, monocyte chemotactic protein (MCP)-1, interleukin (IL)-6, -8, -12, and -13, and interferon-inducible 10-kDa protein (IP-10) were significantly higher in the DME group than in the nondiabetic control group...
June 1, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28559722/topical-versus-subconjunctival-anti-vascular-endothelial-growth-factor-therapy-bevacizumab-ranibizumab-and-aflibercept-for-treatment-of-corneal-neovascularization
#19
REVIEW
Tariq Al-Debasi, Abdulkareem Al-Bekairy, Abdulmalik Al-Katheri, Shmeylan Al Harbi, Mahmoud Mansour
In order to evaluate the effect of topical and subconjunctival anti-vascular endothelial growth factor (anti-VEGF) therapy, Ranibizumab, Bevacizumab and Aflibercept as a therapy for corneal neovascularization (NV) treatment, the aim of this study was to review all data related to some of anti-VEGF as a promising therapies for corneal NV treatment. Corneal NV is a dangerous condition leading to a marked reduction in vision due to angiogenesis of abnormal vessels that block light. During the recent years, we have recognized new drug proliferation for corneal NV treatment...
April 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28559716/thickness-of-the-retinal-photoreceptor-outer-segment-layer-in-healthy-volunteers-and-in-patients-with-diabetes-mellitus-without-retinopathy-diabetic-retinopathy-or-diabetic-macular-edema
#20
Abdullah Ozkaya, Zeynep Alkin, Yalcin Karakucuk, Gonul Karatas, Korhan Fazil, M Gurkan Erdogan, Irfan Perente, Muhittin Taskapili
PURPOSE: The purpose of this study was to investigate whether the severity of diabetic disease in the retina is paralleled by changes in the photoreceptor layer. METHODS: This cross-sectional study included healthy volunteers (30 volunteers, 60 eyes) and patients with diabetes (48 patients, 96 eyes). Each patient underwent a single session of spectral domain optical coherence tomography (OCT) in which each retina was imaged twice. On each OCT image, the thickness of the PROS layer was measured at the foveal center and at points 750 μm temporal to and nasal to the center...
April 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
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