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Diabetic macula

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https://www.readbyqxmd.com/read/28611649/a-case-of-diabetic-macular-edema-with-prominent-chorioretinal-folds
#1
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/28567164/pars-plana-vitrectomy-with-internal-limiting-membrane-peeling-for-nontractional-diabetic-macular-edema
#2
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/28542922/study-of-retinal-neurodegeneration-and-maculopathy-in-diabetic-meriones-shawi-a-particular-animal-model-with-human-like-macula
#3
Imane Hammoum, Maha Benlarbi, Ahmed Dellaa, Klaudia Szabó, Bulcsú Dékány, Dávid Csaba, Zsuzsanna Almási, Rozina I Hajdú, Rached Azaiz, Ridha Charefeddine, Ákos Lukáts, Rafika Benchouacha-Chekir
The purpose of this work was to evaluate a potentially useful animal model, Meriones shawi (M.sh) - developing metabolic X syndrome, diabetes and possessing a visual streak similar to human macula - in the study of diabetic retinopathy and diabetic macular edema (DME). Type 2 diabetes (T2D) was induced by high fat diet administration in M.sh. Body weights, blood glucose levels were monitored throughout the study. Diabetic retinal histopathology was evaluated 3 and 7 months after diabetes induction. Retinal thickness was measured, retinal cell types were labeled by immunohistochemistry and the number of stained elements were quantified...
May 20, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28542693/macular-sensitivity-measured-with-microperimetry-in-stargardt-disease-in-the-progression-of-atrophy-secondary-to-stargardt-disease-progstar-study-report-no-7
#4
Etienne M Schönbach, Yulia Wolfson, Rupert W Strauss, Mohamed A Ibrahim, Xiangrong Kong, Beatriz Muñoz, David G Birch, Artur V Cideciyan, Gesa-Astrid Hahn, Muneeswar Nittala, Janet S Sunness, SriniVas R Sadda, Sheila K West, Hendrik P N Scholl
Importance: New outcome measures for treatment trials for Stargardt disease type 1 (STGD1) and other macular diseases are needed. Microperimetry allows mapping of light sensitivity of the macula and provides topographic information on visual function beyond visual acuity. Objective: To measure and analyze retinal light sensitivity of the macula in STGD1 using fundus-controlled perimetry (microperimetry). Design, Setting, and Participants: This was a multicenter prospective cohort study...
May 25, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28508191/investigations-of-severity-level-measurements-for-diabetic-macular-oedema-using-machine-learning-algorithms
#5
S Murugeswari, R Sukanesh
BACKGROUND: The macula is an important part of the human visual system and is responsible for clear and colour vision. Macular oedema happens when fluid and protein deposit on or below the macula of the eye and cause the macula to thicken and swell. Normally, it occurs due to diabetes called diabetic macular oedema. Diabetic macular oedema (DME) is one of the main causes of visual impairment in patients. AIM: The aims of the present study are to detect and localize abnormalities in blood vessels with respect to macula in order to prevent vision loss for the diabetic patients...
May 15, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28499163/the-diabetic-retinopathy-barometer-study-global-perspectives-on-access-to-and-experiences-of-diabetic-retinopathy-screening-and-treatment
#6
D Cavan, L Makaroff, J da Rocha Fernandes, M Sylvanowicz, P Ackland, J Conlon, D Chaney, A Malhi, J Barratt
AIM: To assess the level of awareness, prevention and treatment of Diabetic Eye Disease (DED) comprising Diabetic Retinopathy (DR) and Diabetic Macula Edema (DME) retinopathy among adults with diabetes and health professionals. METHODS: The Diabetic Retinopathy Barometer Study consisted of a qualitative study, which consisted of semi-structured interviews, and a quantitative study using online surveys for adults with diabetes and for health professionals. RESULTS: A total of 4340 adults with diabetes and 2329 health professionals participated in the surveys...
July 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28480495/retinopathy-with-central-oedema-in-an-ins-c94y-transgenic-pig-model-of-long-term-diabetes
#7
Kristina J H Kleinwort, Barbara Amann, Stefanie M Hauck, Sieglinde Hirmer, Andreas Blutke, Simone Renner, Patrizia B Uhl, Karina Lutterberg, Walter Sekundo, Eckhard Wolf, Cornelia A Deeg
AIMS/HYPOTHESIS: Diabetic retinopathy is a severe complication of diabetes mellitus that often leads to blindness. Because the pathophysiology of diabetic retinopathy is not fully understood and novel therapeutic interventions require testing, there is a need for reliable animal models that mimic all the complications of diabetic retinopathy. Pig eyes share important anatomical and physiological similarities with human eyes. Previous studies have demonstrated that INS (C94Y) transgenic pigs develop a stable diabetic phenotype and ocular alterations such as cataracts...
May 8, 2017: Diabetologia
https://www.readbyqxmd.com/read/28452993/structural-and-functional-changes-to-the-retina-and-optic-nerve-following-panretinal-photocoagulation-over-a-2-year-time-period
#8
R Filek, P Hooper, T Sheidow, J Gonder, D K Varma, L Heckler, W Hodge, S Chakrabarti, C M L Hutnik
PurposeTo evaluate long-term structural and functional changes to the retina and optic nerve following panretinal photocoagulation (PRP) in diabetic retinopathy (DR) patients.MethodsParticipants were patients with DR requiring PRP and control patients with DR not requiring PRP. The Heidelberg retinal tomography (HRT) and optical coherence tomography (OCT) were performed to analyze the optic nerve and macula. Best-corrected visual acuity (BCVA) and visual field (VF) testing were done to measure central and peripheral vision...
April 28, 2017: Eye
https://www.readbyqxmd.com/read/28440254/combined-branch-retinal-vein-and-branch-retinal-artery-occlusion-clinical-features-systemic-associations-and-outcomes
#9
Sabyasachi Sengupta, Utsab Pan
PURPOSE: Retinal vascular occlusions affecting both the arterial and venous systems are rare events. Combined branch retinal artery (BRAO) and vein (BRVO) occlusion are exceedingly rare and not well characterized. METHODS: Six patients with combined BRAO and BRVO underwent a comprehensive eye examination, fundus fluorescein angiography, optical coherence tomography, and cardiovascular evaluation. RESULTS: Mean age at presentation was 54 ± 7...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28427062/emerging-issues-for-optical-coherence-tomography
#10
Luisa Pierro, Alessandro Rabiolo
Almost 25 years after its introduction, optical coherence tomography (OCT) is still a crucial test in the evaluation of patients affected by diabetic retinopathy. In this chapter, the authors provide an extensive overview of the posterior segment pathological changes induced by diabetes, characterized using OCT. OCT plays a key role in diabetic macular edema (DME) as it assesses related retinal changes both in a qualitative (i.e., DME pattern, presence and aspects of cysts, fluid localization, integrity, and reflectivity of retinal layers) and quantitative (i...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28393035/retinal-ganglion-cell-complex-changes-using-spectral-domain-optical-coherence-tomography-in-diabetic-patients-without-retinopathy
#11
Ahmed I Hegazy, Rasha H Zedan, Tamer A Macky, Soheir M Esmat
AIM: To assess the ganglion cell complex (GCC) thickness in diabetic eyes without retinopathy. METHODS: Two groups included 45 diabetic eyes without retinopathy and 21 non diabetic eyes. All subjects underwent full medical and ophthalmological history, full ophthalmological examination, measuring GCC thickness and central foveal thickness (CFT) using the RTVue(®) spectral domain-optical coherence tomography (SD-OCT), and HbA1C level. RESULTS: GCC focal loss volume (FLV%) was significantly more in diabetic eyes (22...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28381459/urinary-adenosine-excretion-in-type-1-diabetes
#12
Harindra Rajasekeran, Yuliya Lytvyn, Andrea Bozovic, Julie Lovshin, Eleftherios Diamandis, Daniel Cattran, Mansoor Husain, Bruce A Perkins, Andrew Advani, Heather N Reich, Vathany Kulasingam, David Z I Cherney
INTRODUCTION: In experimental models of diabetes, augmented sodium-glucose cotransport-2 (SGLT2) activity diminishes sodium (Na+) delivery at the macula densa. As a result, less vasoconstrictive adenosine is generated, leading to afferent arteriolar vasodilatation and hyperfiltration. The measurement and significance of urinary adenosine in humans has not been extensively examined in states of renal hemodynamic impairment, like that of diabetes. OBJECTIVE: Our aim was to validate a method for urine adenosine quantification in humans and perform an exploratory post-hoc analysis to determine whether urinary adenosine levels change dynamically in response to natriuresis in patients with type 1 diabetes (T1D) before and after treatment with the SGLT2 inhibitor (SGLT2i) empagliflozin...
April 5, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28377846/a-quantitative-approach-to-predict-differential-effects-of-anti-vegf-treatment-on-diffuse-and-focal-leakage-in-patients-with-diabetic-macular-edema-a-pilot-study
#13
Michael J Allingham, Dibyendu Mukherjee, Erin B Lally, Hossein Rabbani, Priyatham S Mettu, Scott W Cousins, Sina Farsiu
PURPOSE: We use semiautomated segmentation of fluorescein angiography (FA) to determine whether anti-vascular endothelial growth factor (VEGF) treatment for diabetic macular edema (DME) differentially affects microaneurysm (MA)-associated leakage, termed focal leakage, versus non-MA-associated leakage, termed diffuse leakage. METHODS: We performed a retrospective study of 29 subjects treated with at least three consecutive injections of anti-VEGF agents for DME (mean 4...
March 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28366367/evaluation-of-the-effect-of-intracameral-cefuroxime-on-macular-and-subfoveal-choroidal-thickness-and-macular-sensitivity%C3%A2-in%C3%A2-diabetic-patients-after-cataract%C3%A2-surgery
#14
Bo Ma, Yan Liu, Shaorui Liu, Min Luo
PURPOSE: To evaluate the macular and subfoveal choroidal thickness variation and macular sensitivity changes in diabetic patients after intracameral cefuroxime in cataract surgery. SETTING: Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai, China. DESIGN: Prospective case series. METHODS: Diabetic patients with visually significant cataract were divided into a treatment group, which received an intracameral injection of 1 mg/0...
February 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28351052/diabetic-macular-edema
#15
Francesco Bandello, Maurizio Battaglia Parodi, Paolo Lanzetta, Anat Loewenstein, Pascale Massin, Francesca Menchini, Daniele Veritti
Diabetic macular edema (DME), defined as a retinal thickening involving or approaching the center of the macula, represents the most common cause of vision loss in patients affected by diabetes mellitus. In the last few years, many diagnostic tools have proven to be useful in the detection and the monitoring of the features characterizing DME. On the other hand, several therapeutic approaches can now be proposed on the basis of the DME-specific characteristics. The aim of the present chapter is to thoroughly delineate the clinical and morphofunctional characteristics of DME and its current treatment perspectives...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28346545/aqueous-cytokine-levels-are-associated-with-reduced-macular-thickness-after-intravitreal-ranibizumab-for-diabetic-macular-edema
#16
Tomoyasu Shiraya, Satoshi Kato, Fumiyuki Araki, Takashi Ueta, Tempei Miyaji, Takuhiro Yamaguchi
PURPOSE: It is controversial whether the administration of anti-vascular endothelial growth factor drugs for diabetic macular edema (DME) affects intraocular inflammatory cytokines. In this study, we measured cytokine concentration in aqueous humor before and after intravitreal injection of ranibizumab (IVR). The aim was to determine changes in cytokine concentration and their effects on DME reduction. METHODS: Twelve patients (13 eyes) with DME received two IVR (0...
2017: PloS One
https://www.readbyqxmd.com/read/28343061/automated-diabetic-macular-edema-dme-grading-system-using-dwt-dct-features-and-maculopathy-index
#17
U Rajendra Acharya, Muthu Rama Krishnan Mookiah, Joel E W Koh, Jen Hong Tan, Sulatha V Bhandary, A Krishna Rao, Yuki Hagiwara, Chua Kuang Chua, Augustinus Laude
The cause of diabetic macular edema (DME) is due to prolonged and uncontrolled diabetes mellitus (DM) which affects the vision of diabetic subjects. DME is graded based on the exudate location from the macula. It is clinically diagnosed using fundus images which is tedious and time-consuming. Regular eye screening and subsequent treatment may prevent the vision loss. Hence, in this work, a hybrid system based on Radon transform (RT), discrete wavelet transform (DWT) and discrete cosine transform (DCT) are proposed for an automated detection of DME...
March 19, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28339297/long-term-effect-of-panretinal-photocoagulation-on-spectral-domain-optical-coherence-tomography-measurements-in-diabetic-retinopathy
#18
Haeng-Jin Lee, Tae-Seen Kang, Baek-Soo Kwak, Young-Joon Jo, Jung-Yeul Kim
PURPOSE: To evaluate the effects of panretinal photocoagulation on spectral domain optical coherence tomography measurements in diabetic retinopathy by comparing the thicknesses of the central macula, retinal nerve fiber layer, and ganglion cell layer, we used a Cirrus HD OCT® (Carl Zeiss Meditec, Dublin, CA, USA) in normal and diabetic retinopathy cohorts. METHODS: We analyzed patients who visited our retinal clinic between May 2013 and July 2014. The patients were classified into four groups: normal (Group A), diabetes without diabetic retinopathy (Group B), severe nonproliferative or proliferative diabetic retinopathy (Group C), and at least 3 years after panretinal photocoagulation treatment (Group D)...
March 24, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28334035/early-inner-retinal-thinning-and-cardiovascular-autonomic-dysfunction-in-type-2-diabetes
#19
Jin A Choi, Hyo Won Kim, Jin-Woo Kwon, Yun-Sub Shim, Dong Hyun Jee, Jae-Seung Yun, Yu-Bae Ahn, Chan Kee Park, Seung-Hyun Ko
BACKGROUND: To investigate changes in the neural retina according to the presence of retinal nerve fiber layer (RNFL) defects in type 2 diabetes, and to determine the association between inner retina thickness and the severity of diabetic complications. METHODS: We studied non-glaucomatous patients with type 2 diabetes and control subjects Circumpapillary RNFL and macula ganglion cell-inner plexiform layer (GCIPL) thicknesses were measured by spectral-domain optical coherence tomography...
2017: PloS One
https://www.readbyqxmd.com/read/28260851/anti-vegf-treatment-of-diabetic-macular-edema-in-clinical-practice-effectiveness-and-patterns-of-use-echo-study-report-1
#20
Kevin J Blinder, Pravin U Dugel, Sanford Chen, J Michael Jumper, John G Walt, David A Hollander, Lanita C Scott
PURPOSE: To evaluate the efficacy, safety, and injection frequency of vascular endothelial growth factor (VEGF) inhibitors as used in clinical practice for the treatment of diabetic macular edema. METHODS: Multicenter (10 sites), retrospective chart review in patients (n=156) who received ≥3 anti-VEGF injections. Data collected for ≥6 months after the first injection included Snellen best-corrected visual acuity (BCVA) and central retinal thickness (CRT) by time-domain or spectral-domain optical coherence tomography (TD-OCT or SD-OCT)...
2017: Clinical Ophthalmology
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