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Pigment epithelial detachment

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https://www.readbyqxmd.com/read/28166160/predictive-factors-for-development-of-neovascular-age-related-macular-degeneration-a-spectral-domain-optical-coherence-tomography-study
#1
Serena Fragiotta, Tommaso Rossi, Alessandro Cutini, Pier L Grenga, Enzo M Vingolo
PURPOSE: To investigate the risk factors predictive for the development of neovascular age-related macular degeneration (NVAMD) by means of spectral-domain optical coherence tomography. METHODS: Retrospective study of 73 eyes graded Stage 2 and Stage 3 according to the AMD International Grading System with minimum follow-up of 24 months. Drusenoid pigment epithelial detachment, hyperreflective foci, external limiting membrane, inner ellipsoid band, and retinal pigment epithelium integrity were analyzed at baseline and last follow-up...
February 3, 2017: Retina
https://www.readbyqxmd.com/read/28145973/optical-coherence-tomography-findings-in-cytomegalovirus-retinitis-a-longitudinal-study
#2
Alessandro Invernizzi, Aniruddha Agarwal, Vittoria Ravera, Marta Oldani, Giovanni Staurenghi, Francesco Viola
PURPOSE: To evaluate the vitreal, retinal, and choroidal features using spectral domain optical coherence tomography (SD-OCT) in eyes affected by cytomegalovirus (CMV) retinitis. METHODS: Patients diagnosed with either active or inactive CMV retinitis were included in the study. Complete ophthalmic examination, serial color fundus photography, and SD-OCT (with and without enhanced depth imaging function) were performed for all the subjects at baseline and follow-up visits...
January 31, 2017: Retina
https://www.readbyqxmd.com/read/28138219/resveratrol-inhibits-transforming-growth-factor-%C3%AE-2-induced-epithelial-to-mesenchymal-transition-in-human-retinal-pigment-epithelial-cells-by-suppressing-the-smad-pathway
#3
Ching-Long Chen, Yi-Hao Chen, Ming-Cheng Tai, Chang-Min Liang, Da-Wen Lu, Jiann-Torng Chen
Proliferative vitreoretinopathy (PVR) is the main cause of failure following retinal detachment surgery. Transforming growth factor (TGF)-β2-induced epithelial-to-mesenchymal transition (EMT) plays an important role in the development of PVR, and EMT inhibition decreases collagen gel contraction and fibrotic membrane formation, resulting in prevention of PVR. Resveratrol is naturally found in red wine and has inhibitory effects on EMT. Resveratrol is widely used in cardioprotection, neuroprotection, chemotherapy, and antiaging therapy...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28091938/distinguishing-features-of-acute-vogt-koyanagi-harada-disease-and-acute-central-serous-chorioretinopathy-on-optical-coherence-tomography-angiography-and-en-face-optical-coherence-tomography-imaging
#4
Kanika Aggarwal, Aniruddha Agarwal, Ankit Deokar, Sarakshi Mahajan, Ramandeep Singh, Reema Bansal, Aman Sharma, Mangat R Dogra, Vishali Gupta
BACKGROUND: The aim of this study is to determine the differences in optical coherence tomography angiography (OCTA) features of acute Vogt-Koyanagi-Harada disease (VKH) and acute central serous chorioretinopathy (CSC). Clinical and imaging data of patients with acute CSC and VKH in a tertiary-care institute were analyzed. Multimodal imaging including fluorescein angiography, indocyanine green angiography (ICGA), and enhanced-depth imaging OCT were performed. OCTA images were analyzed for alterations in retinochoroidal microvasculature...
December 2017: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/28067720/swept-source-optical-coherence-tomography-evaluation-of-chorioretinal-changes-in-hypertensive-choroidopathy-related-to-hellp-syndrome
#5
Daniel Velazquez-Villoria, Pablo Marti Rodrigo, Maria L DeNicola, Miguel A Zapata Vitori, Antonio Segura García, Jose García-Arumí
PURPOSE: To report a case of hypertensive choroidopathy with detailed chorioretinal images obtained using swept source optical coherence tomography. METHODS: We report the case of a 36-year-old pregnant woman who presented with extensive bilateral exudative retinal detachments (visual acuity of hands movement bilaterally), high blood pressure, and severe alteration of the laboratory test results resulting in the diagnosis of HELLP syndrome. The baby was delivered by emergency cesarean section and the patient was hospitalized in the intensive care unit...
January 6, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28067362/electrochemical-manipulation-of-cell-populations-supported-by-biodegradable-polymeric-nanosheets-for-cell-transplantation-therapy
#6
Jin Suzuki, Nobuhiro Nagai, Matsuhiko Nishizawa, Toshiaki Abe, Hirokazu Kaji
We describe an electrochemical method of harvesting cells cultured on a biodegradable polymeric nanosheet (cell/nanosheet construct), which is stabilized on a self-assembled monolayer (SAM) of thiol molecules. A poly(lactic-co-glycolic acid) (PLGA) nanosheet was attached by hydrophobic interactions onto the surface of a SAM of l-cysteine coated onto a gold electrode. Retinal pigment epithelial cell lines (RPE-J cells) were cultured on the nanosheet to form a monolayer. An AA-size dry battery was used to apply a negative electrical potential, causing reductive desorption of the SAM from the gold surface...
January 9, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28058163/clinical-features-and-course-of-patients-with-peripheral-exudative-hemorrhagic-chorioretinopathy
#7
Zafer Cebeci, Yasemin Dere, Şerife Bayraktar, Samuray Tuncer, Nur Kır
OBJECTIVES: To evaluate the clinical characteristics of patients who were followed in our clinic with the diagnosis of peripheral exudative hemorrhagic chorioretinopathy (PEHC). MATERIALS AND METHODS: Medical records of 12 patients who were diagnosed with PEHC in İstanbul University İstanbul Faculty of Medicine, Department of Ophthalmology between July 2006 and June 2014 were reviewed retrospectively. RESULTS: This study included 21 eyes of 12 patients...
October 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28017424/predictors-of-long-term-visual-outcome-in-intermediate-uveitis
#8
Rachael L Niederer, Lazha Sharief, Asaf Bar, Sue L Lightman, Oren Tomkins-Netzer
PURPOSE: To describe factors that predict visual loss and complications in intermediate uveitis. DESIGN: Cross-sectional study. PARTICIPANTS: Subjects with intermediate uveitis were identified from a database of 1254 uveitis patients seen in the clinic of a single consultant (S.L.L.) between 2011 and 2013. METHODS: Information was gathered from the clinical notes of all subjects examined in clinic. MAIN OUTCOME MEASURES: Best-corrected visual acuity (BCVA), moderate visual loss (MVL; ≤20/50), severe visual loss (SVL; ≤20/200)...
December 22, 2016: Ophthalmology
https://www.readbyqxmd.com/read/28007451/quantitative-changes-in-pigment-epithelial-detachment-area-and-volume-predict-retreatment-in-polypoidal-choroidal-vasculopathy
#9
Errol W Chan, Mohab Eldeeb, Gopal Lingam, Doneal Thomas, Mayuri Bhargava, Caroline K Chee
PURPOSE: To determine if changes in pigment epithelial detachment (PED) area and volume predict retreatment in polypoidal choroidal vasculopathy (PCV). DESIGN: Retrospective case-control study METHODS: PCV patients on pro-re-nata (PRN) anti-vascular endothelial growth factor (VEGF) therapy with >1 year follow-up at an academic retina service were included. Monthly anti-VEGF injections were given until a dry macula was achieved, and treatment deferred. Retreatment indication was recurrence of intraretinal or subretinal fluid, or new hemorrhage...
December 19, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28005663/type-1-versus-type-3-neovascularization-in-pigment-epithelial-detachments-associated-with-age-related-macular-degeneration-after-anti-vascular-endothelial-growth-factor-therapy-a-prospective-study
#10
Xuejing Chen, Mayss Al-Sheikh, Clement K Chan, Amir H Hariri, Prema Abraham, Maziar Lalezary, Steven G Lin, SriniVas Sadda, David Sarraf
PURPOSE: To evaluate the response to aflibercept therapy for Type 1 and Type 3 neovascularization in pigment epithelial detachments associated with treatment-naive, neovascular age-related macular degeneration. METHODS: In this multicentered, prospective study, eligible eyes underwent an intravitreal aflibercept injection protocol for 12 months. Visual acuity and morphologic features of the pigment epithelial detachments were compared at baseline and follow-up intervals between eyes with Type 1 versus Type 3 neovascularization...
December 2016: Retina
https://www.readbyqxmd.com/read/28005662/an-updated-staging-system-of-type-3-neovascularization-using-spectral-domain-optical-coherence-tomography
#11
Daniel Su, Shawn Lin, Nopasak Phasukkijwatana, Xuejing Chen, Anna Tan, K Bailey Freund, David Sarraf
PURPOSE: To comprehensively investigate spectral domain optical coherence tomography features associated with Type 3 neovascularization and determine the prevalence of each feature and to develop an updated staging system for Type 3 neovascularization based on spectral domain optical coherence tomography findings. METHODS: The authors retrospectively analyzed 34 eyes with new-onset Type 3 neovascularization. Spectral domain optical coherence tomography images at onset of Type 3 neovascularization, immediately after the first injection, and at the final quiescent visit were analyzed for the presence of specific optical coherence tomography features...
December 2016: Retina
https://www.readbyqxmd.com/read/27913869/ranibizumab-for-vascularized-pigment-epithelial-detachment-1-year-anatomic-and-functional-results
#12
Olivier Chevreaud, Hassiba Oubraham, Salomon Y Cohen, Camille Jung, Rocio Blanco-Garavito, Farah Gherdaoui, Eric H Souied
PURPOSE: To assess the anatomical and functional efficacy of ranibizumab on vascularized pigment epithelial detachment (V-PED) secondary to neovascular age-related macular degeneration (nAMD). METHODS: One hundred and nine patients (116 eyes) were retrospectively selected from medical records of 2097 patients who benefited from intravitreal injection between January 2011 and June 2013 in a tertiary-care University-based Department of Ophthalmology. Inclusion criteria were: nAMD, treatment-naive eyes, presence of V-PED higher than 250 μm, intravitreal ranibizumab with a loading phase, followed by a pro-re-nata regimen, and 1-year follow-up...
December 3, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27913442/comparison-of-anti-vegf-therapies-on-fibrovascular-pigment-epithelial-detachments-in-age-related-macular-degeneration
#13
Adrian Au, Vishal S Parikh, Rishi P Singh, Justis P Ehlers, Alex Yuan, Aleksandra V Rachitskaya, Jonathan E Sears, Sunil K Srivastava, Peter K Kaiser, Andrew P Schachat, Daniel F Martin, Yasha Modi
BACKGROUND: The aim is to compare the therapeutic effects of three antivascular endothelial growth factor (VEGF) drugs (bevacizumab, aflibercept and ranibizumab) on fibrovascular pigment epithelial detachments (fvPEDs) in age-related macular degeneration (AMD). METHODS: This was a retrospective, comparative, consecutive case series of 88 unique eyes with fvPEDs in neovascular AMD treated with anti-VEGF monotherapy for a minimum of 6 months. All eyes were treatment naive...
December 2, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27913440/optical-coherence-tomographic-angiography-of-choroidal-neovascularization-ill-defined-with-fluorescein-angiography
#14
Mehrdad Malihi, Yali Jia, Simon S Gao, Christina Flaxel, Andreas K Lauer, Thomas Hwang, David J Wilson, David Huang, Steven T Bailey
PURPOSE: To evaluate the morphological structure of ill-defined choroidal neovascularisation (CNV) with traditional fluorescein angiography (FA) compared with optical coherence tomographic angiography (OCTA). METHODS: A retrospective case series study of 11 eyes with ill-defined CNV on FA was performed. Eyes were scanned with commercially available spectral-domain optical coherence tomography (OCT) (70 000 A-scans/s). The split-spectrum amplitude-decorrelation angiography (SSADA) algorithm was used to distinguish blood flow from static tissue...
January 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27886184/a-view-of-the-current-and-future-role-of-optical-coherence-tomography-in-the-management-of-age-related-macular-degeneration
#15
REVIEW
U Schmidt-Erfurth, S Klimscha, S M Waldstein, H Bogunović
Optical coherence tomography (OCT) has become an established diagnostic technology in the clinical management of age-related macular degeneration (AMD). OCT is being used for primary diagnosis, evaluation of therapeutic efficacy, and long-term monitoring. Computer-based advances in image analysis provide complementary imaging tools such as OCT angiography, further novel automated analysis methods as well as feature detection and prediction of prognosis in disease and therapy by machine learning. In early AMD, pathognomonic features such as drusen, pseudodrusen, and abnormalities of the retinal pigment epithelium (RPE) can be imaged in a qualitative and quantitative way to identify early signs of disease activity and define the risk of progression...
January 2017: Eye
https://www.readbyqxmd.com/read/27878592/high-frequency-aflibercept-injections-in-persistent-neovascular-age-related-macular-degeneration
#16
Ilkay Kilic Muftuoglu, Frank F Tsai, Raouf Gaber, Mostafa Alam, Amit Meshi, William R Freeman
PURPOSE: To report the 1-year outcomes of every-4-weeks (Q4W) as-needed aflibercept treatment in resistant neovascular age-related macular degeneration (nAMD) patients who had been treated and failed prior bevacizumab or ranibizumab injections, and who also responded poorly to every-8-weeks (Q8W) aflibercept treatment. METHODS: Forty-three eyes of 39 patients with persistent nAMD despite monthly bevacizumab and/or ranibizumab injections and who were switched to Q8W 2-mg aflibercept injections, but showed persistence of fluid were included...
November 23, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27863845/macular-atrophy-in-neovascular-age-related-macular-degeneration-with-monthly-versus-treat-and-extend-ranibizumab-findings-from-the-trex-amd-trial
#17
Nizar S Abdelfattah, Mayss Al-Sheikh, Sean Pitetta, Ahmed Mousa, SriniVas R Sadda, Charles C Wykoff
PURPOSE: To compare the enlargement rate of macular atrophy (ERMA) in eyes treated with ranibizumab monthly or using a treat-and-extend (TREX) regimen for neovascular age-related macular degeneration (AMD) or fellow control eyes, as well as analyze risk factors for macular atrophy (MA) development and progression. DESIGN: Eighteen-month, multicenter, randomized, controlled clinical trial. PARTICIPANTS: Sixty patients with treatment-naïve neovascular AMD in 1 eye randomized 1:2 to monthly or TREX ranibizumab...
February 2017: Ophthalmology
https://www.readbyqxmd.com/read/27861254/bilateral-diffuse-uveal-melanocytic-proliferation-associated-with-renal-cancer-the-importance-of-indocyanine-green-angiography-and-early-diagnosis
#18
Vinicius F Kniggendorf, Elmar T Neto, Elizabeth M Maia, Joao P S Grando, Anne M C Bardal, Patrícia M M Beato, Caroline C Torres, Mauricio Maia
PURPOSE: To report a case of bilateral diffuse uveal melanocytic proliferation associated with renal carcinoma and to illustrate the importance of ancillary examinations to early diagnosis and treatment. DESIGN: Clinical case report. METHODS: A 56-year-old man reported a 3-day history of visual impairment and scotoma in the right eye. An ophthalmoscopic examination, visual field test, fundus autofluorescence, fluorescein angiography, indocyanine green angiography, optical coherence tomography, and systemic evaluation were performed...
November 17, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27847620/conversion-back-to-bevacizumab-or-ranibizumab-for-recurrent-neovascular-activity-with-aflibercept-in-age-related-macular-degeneration-a-case-series
#19
Geraldine R Slean, Kornwipa Hemarat, Rahul N Khurana, Jay M Stewart
BACKGROUND: Neovascular age-related macular degeneration often requires chronic therapy with anti-VEGF agents, and patients with recurrent disease are challenging to manage. METHODS: This retrospective case series evaluates patients who were switched from bevacizumab or ranibizumab to aflibercept and then back again because of recurrent fluid on optical coherence tomography (OCT) by reporting changes in OCT measurements over the course of medication changes. RESULTS: Twenty-one eyes in nineteen patients received an average of 20...
2016: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/27845192/controlling-drug-release-from-non-aqueous-environments-moderating-delivery-from-ocular-silicone-oil-drug-reservoirs-to-combat-proliferative-vitreoretinopathy
#20
Helen Cauldbeck, Maude Le Hellaye, Mark Long, Stephnie M Kennedy, Rachel L Williams, Victoria R Kearns, Steve P Rannard
In a number of cases of retinal detachment, treatment may require the removal of the vitreous humour within the eye and replacement with silicone oil to aid healing of the retina. The insertion of silicone oil offers the opportunity to also deliver drugs to the inside of the eye; however, drug solubility in silicone oil is poor and release from this hydrophobic drug reservoir is not readily controlled. Here, we have designed a range of statistical graft copolymers that incorporate dimethylsiloxane and ethylene glycol repeat units within the side chains, allowing short chains of oligo(ethylene glycol) to be solubilised within silicone oil and provide hydrogen bond acceptor sites to interact with acid functional drug molecules...
December 28, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
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