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retinal angiomatous proliferation

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https://www.readbyqxmd.com/read/27870798/retinal-angiomatous-proliferation-diagnosis-a-multiimaging-approach
#1
Vittoria Ravera, Ferdinando Bottoni, Andrea Giani, Mario Cigada, Giovanni Staurenghi
PURPOSE: To identify signs occurring more frequently in retinal angiomatous proliferation (RAP) lesions compared with other types of choroidal neovascularization (CNV) in age-related macular degeneration. METHODS: In this cross-sectional retrospective study, 30 patients were evaluated. These signs were correlated with the type of CNV: shunting of blood flow to the lesion by fluorescein angiography, late leakage by indocyanine green angiography, intraretinal cysts and retinal pigmented epithelium interruption along the retinal pigmented epithelium detachment with a hyperreflective oval area by spectral domain optical coherence tomography, and presence of reticular pseudodrusen by infrared light...
December 2016: Retina
https://www.readbyqxmd.com/read/27816486/treat-and-extend-approach-with-aflibercept-effects-on-different-subtypes-of-age-related-choroidal-neovascularisation
#2
V Castro-Navarro, E Cervera-Taulet, J Montero-Hernández, C Navarro-Palop
OBJECTIVE: To describe functional/morphological outcomes of treat-and-extend (TAE) with aflibercept in different subtypes of neovascularizations (CNV) secondary to exudative age-related macular degeneration (AMD). METHODS: Retrospective study was conducted on 30 eyes of 30 patients treated with 2 mg-aflibercept according to a TAE protocol. Examinations included best corrected visual acuity (BCVA), number of injections, and visits needed. A quantitative/qualitative analysis was also performed with fluorescein angiography and spectral-domain optical coherence tomography (SD-OCT) at baseline, and at 3, 6, and 12 months...
November 2, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27787444/recurrence-in-patients-with-type-3-neovascularization-retinal-angiomatous-proliferation-after-intravitreal-ranibizumab
#3
Jae Hui Kim, Young Suk Chang, Jong Woo Kim, Chul Gu Kim, Dong Won Lee
PURPOSE: To evaluate the incidence, timing, and characteristics of recurrence in patients with Type 3 neovascularization who were initially treated with ranibizumab. METHODS: This retrospective study included 42 patients (42 eyes) who were diagnosed with Type 3 neovascularization and treated with 3 monthly injections of ranibizumab. The 12-month follow-up data of these patients were analyzed. The time of recurrence after the initial treatment was recorded. In eyes with recurrence, the association of the duration until the first recurrence and the incidence of multiple recurrences was analyzed...
October 26, 2016: Retina
https://www.readbyqxmd.com/read/27743113/-intravitreal-ranibizumab-for-the-treatment-of-retinal-angiomatous-proliferation
#4
J Maaß, D Sandner, E Matthé
BACKGROUND: Retinal angiomatous proliferations (RAP) are a subgroup of exsudative or "wet" age-related macular degeneration (wAMD) with devastating reduction of visual acuity in later stages. Intravitreal ranibizumab provides good therapy, but is considered to be less effective than in other choroidal neovascularizations (CNV). OBJECTIVE: We investigated the efficacy of ranibizumab in late-stage III RAP with retinochoroidal anastomosis compared to the outcome of other CNV lesions...
October 14, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27711217/multi-functional-oct-enables-longitudinal-study-of-retinal-changes-in-a-vldlr-knockout-mouse-model
#5
Marco Augustin, Stanislava Fialová, Tanja Himmel, Martin Glösmann, Theresia Lengheimer, Danielle J Harper, Roberto Plasenzotti, Michael Pircher, Christoph K Hitzenberger, Bernhard Baumann
We present a multi-functional optical coherence tomography (OCT) imaging approach to study retinal changes in the very-low-density-lipoprotein-receptor (VLDLR) knockout mouse model with a threefold contrast. In the retinas of VLDLR knockout mice spontaneous retinal-chorodoidal neovascularizations form, having an appearance similar to choroidal and retinal neovascularizations (CNV and RNV) in neovascular age-related macular degeneration (AMD) or retinal angiomatous proliferation (RAP). For this longitudinal study, the mice were imaged every 4 to 6 weeks starting with an age of 4 weeks and following up to the age of 11 months...
2016: PloS One
https://www.readbyqxmd.com/read/27702940/low-frequency-coding-variants-in-cetp-and-cfb-are-associated-with-susceptibility-of-exudative-age-related-macular-degeneration-in-the-japanese-population
#6
Yukihide Momozawa, Masato Akiyama, Yoichiro Kamatani, Satoshi Arakawa, Miho Yasuda, Shigeo Yoshida, Yuji Oshima, Ryusaburo Mori, Koji Tanaka, Keisuke Mori, Satoshi Inoue, Hiroko Terasaki, Tetsuhiro Yasuma, Shigeru Honda, Akiko Miki, Maiko Inoue, Kimihiko Fujisawa, Kanji Takahashi, Tsutomu Yasukawa, Yasuo Yanagi, Kazuaki Kadonosono, Koh-Hei Sonoda, Tatsuro Ishibashi, Atsushi Takahashi, Michiaki Kubo
AMD is a major cause of blindness in the elderly. Previous sequencing studies of AMD susceptibility genes have revealed the association of rare coding variants in CFH, CFI, C3 and C9 in European population; however, the impact of rare or low-frequency coding variants on AMD susceptibility in other populations is largely unknown. To identify the role of low-frequency coding variants on exudative AMD susceptibility in a Japanese population, we analyzed the association of coding variants of 34 AMD candidate genes in the two-stage design by a multiplex PCR-based target sequencing method...
October 3, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/27378456/implications-of-the-anatomical-classification-of-the-neovascular-form-of-age-related-macular-degeneration
#7
R Gallego-Pinazo, L Monje-Fernández, N García-Marín, M Andreu-Fenoll, R Dolz-Marco
OBJECTIVE: To present the clinical relevance of the anatomical classification of the neovascular form of Age-Related Macular Degeneration (AMD). METHODS: Critical analysis of the current situation in the management of patients with neovascular AMD, by reviewing the available scientific evidence with regards to the classification of the types of neovascular lesion by angiography and optical coherence tomography (OCT). RESULTS: The classification of the neovascular lesion type secondary to AMD by OCT in type 1 lesions (under the pigment epithelium), type 2 (subretinal), and type 3 (retinal angiomatous proliferation), provides an added value in allowing to establish a long-term visual prognosis, an estimate of the number of treatments that a certain case may require, and a stratification of the risk for secondary geographic atrophy...
July 1, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27336229/treat-and-extend-regimen-with-aflibercept-for-retinal-angiomatous-proliferation
#8
Hidetaka Matsumoto, Taku Sato, Masahiro Morimoto, Ryo Mukai, Maki Takahashi, Takashi Hiroe, Kensuke Ehara, Mayuko Takayama, Kensuke Mimura, Shoji Kishi
PURPOSE: To evaluate the effects of aflibercept therapy using a treat-and-extend regimen on treatment-naïve retinal angiomatous proliferation (RAP) and development of retinal pigment epithelium (RPE) atrophy. METHODS: We retrospectively studied 17 treated eyes with RAP and 13 untreated fellow eyes. We assessed best-corrected visual acuity (BCVA) in logarithm of the minimal angle of resolution (logMAR) units and recorded the total number of injections for 12 months...
December 2016: Retina
https://www.readbyqxmd.com/read/27274190/ranibizumab-in-monotherapy-and-combined-with-photodynamic-therapy-for-retinal-angiomatous-proliferation
#9
Luis Arias, Francisco Gómez-Ulla, José M Ruiz-Moreno
PURPOSE: To compare the effects of intravitreal ranibizumab in monotherapy (group A) and combined with photodynamic therapy (PDT) with verteporfin (group B) in retinal angiomatous proliferation (RAP) treatment. METHODS: This was a multicentric, prospective, randomized clinical study conducted with parallel groups. The study eye in both groups received ranibizumab on days 1, 30, and 60 (loading dose); group B received PDT additionally on day 1. Early Treatment Diabetic Retinopathy Study (ETDRS) visual acuity (VA) testing and optical coherence tomography were performed monthly, and fluorescein angiography and indocyanine green angiography were performed quarterly...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27164756/-age-related-macular-degeneration-in-the-japanese
#10
Nagahisa Yoshimura
Age-related macular degeneration (AMD) in the Japanese often shows different clinical features from those described in Caucasians. For example, we often observe choroidal neovascularization (CNV) in elderly patients without drusen in the fundus. The high incidence of polypoidal choroidal vasculopathy (PCV) in AMD among Japanese is well-known. The reason why such differences occur in clinical manifestations of AMD has been one of my main interests. In this review article, I will discuss the characteristics of AMD in the Japanese population, as found in our recent study...
March 2016: Nippon Ganka Gakkai Zasshi
https://www.readbyqxmd.com/read/27142805/everest-study-report-3-diagnostic-challenges-of-polypoidal-choroidal-vasculopathy-lessons-learnt-from-screening-failures-in-the-everest-study
#11
Colin S Tan, Wei Kiong Ngo, Louis W Lim, Nikolle W Tan, Tock H Lim
PURPOSE: To describe screening failures in the EVEREST study by examining the imaging characteristics that enabled differentiation of polypoidal choroidal vasculopathy (PCV) from cases that were subsequently diagnosed not to be PCV. METHODS: Post-hoc analysis of 34 patients with PCV reported as screening failures from EVEREST study. Standardised confocal scanning laser indocyanine green angiography (ICGA) images were graded by the Central Reading Centre to confirm PCV diagnosis based on the presence of early focal sub-retinal hyperfluorescence on ICGA and at least one of the following six diagnostic criteria: (1) nodular appearance of polyp(s) on stereoscopic examination, (2) hypofluorescent halo around nodule(s), (3) presence of a branching vascular network, (4) pulsation of polyp(s) on dynamic ICGA, (5) orange sub-retinal nodules on colour fundus photography, or (6) massive sub-macular haemorrhage (≥4 disc areas in size)...
May 3, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27099955/single-nucleotide-polymorphisms-associated-with-age-related-macular-degeneration-and-lesion-phenotypes-in-the-comparison-of-age-related-macular-degeneration-treatments-trials
#12
Maureen G Maguire, Gui-Shuang Ying, Glenn J Jaffe, Cynthia A Toth, Ebenezer Daniel, Juan Grunwald, Daniel F Martin, Stephanie A Hagstrom
IMPORTANCE: Single-nucleotide polymorphisms (SNPs) associated with the CFH, ARMS2, C3, LIPC, CFB, and C2 genes are associated with age-related macular degeneration (AMD); however, the association of these SNPs with angiographic features of neovascular AMD has been inconsistent in previous studies, and to date, no studies have addressed their association with features on optical coherence tomography. OBJECTIVE: To evaluate the influence of genotype of SNPs previously associated with AMD on the phenotype of neovascular lesions...
June 1, 2016: JAMA Ophthalmology
https://www.readbyqxmd.com/read/27080484/the-role-of-indocyanine-green-angiography-imaging-in-further-differential-diagnosis-of-patients-with-namd-who-are-morphologically-poor-responders-to-ranibizumab-in-a-real-life-setting
#13
A Ozkaya, C Alagoz, R Garip, Z Alkin, I Perente, A T Yazici, M Taskapili
PurposeTo evaluate the neovascular age-related macular degeneration (nAMD) in patients who were morphologically poor responders to intravitreal ranibizumab (IVR) treatment using indocyanine green angiography (ICGA) for further investigation.MethodsThis was a cross-sectional, retrospective study. The patients with an initial diagnosis of nAMD who made through the clinical examination, optical coherence tomography, and fluorescein angiography imaging, and were treated with at least three monthly IVR injections that resulted with a morphological poor response, were included...
July 2016: Eye
https://www.readbyqxmd.com/read/27078800/patterns-of-fundus-autofluorescence-defects-in-neovascular-age-related-macular-degeneration-subtypes
#14
Ahmet Ozkok, Douglas K Sigford, Tongalp H Tezel
PURPOSE: To test define characteristic fundus autofluorescence patterns of different exudative age-related macular degeneration subtypes. METHODS: Cross-sectional study. Fifty-two patients with choroidal neovascularization because of three different neovascular age-related macular degeneration subtypes were included in the study. Macular and peripheral fundus autofluorescence patterns of study subjects were compared in a masked fashion. RESULTS: Fundus autofluorescence patterns of all three neovascular age-related macular degeneration subtypes revealed similar patterns...
April 13, 2016: Retina
https://www.readbyqxmd.com/read/27074658/retinal-pigment-epithelial-tear-after-intravitreal-ranibizumab-treatment-for-neovascular-age-related-macular-degeneration
#15
Han Joo Cho, Hyoung Seok Kim, Seul Gi Yoo, Jung Il Han, Young Ju Lew, Sung Won Cho, Tae Gon Lee, Jong Woo Kim
PURPOSE: To evaluate the risk factors for retinal pigment epithelium (RPE) tears after intravitreal ranibizumab injections in neovascular age-related macular degeneration (nAMD) and to determine the efficacy of continued ranibizumab treatment after RPE tears. METHODS: A total of 407 treatment-naïve eyes (377 patients) with nAMD were retrospectively included. All patients were treated with an initial series of 3 monthly loading injections, followed by further injections as required...
October 2016: Retina
https://www.readbyqxmd.com/read/27048998/response-of-pigment-epithelial-detachment-to-anti-vascular-endothelial-growth-factor-treatment-in-age-related-macular-degeneration
#16
Han Joo Cho, Kyoung Min Kim, Hyoung Seok Kim, Dong Won Lee, Chul Gu Kim, Jong Woo Kim
OBJECTIVE: To evaluate the therapeutic response of pigment epithelial detachment (PED) to anti-vascular endothelial growth factor (VEGF) treatment in neovascular age-related macular degeneration (nAMD), and identify predictive factors for PED resolution after treatment. DESIGN: Retrospective, interventional case series. METHODS: A total of 202 treatment-naïve nAMD eyes presenting PED at baseline were retrospectively included and analyzed...
June 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27031843/geographic-atrophy-and-activity-of-neovascularization-in-retinal-angiomatous-proliferation
#17
Jiwon Baek, Jae Hyung Lee, Jun Yong Kim, Na Hyun Kim, Won Ki Lee
PURPOSE: To investigate the association between geographic atrophy (GA) and neovascular activity in retinal angiomatous proliferation (RAP) during anti-VEGF treatment. METHODS: Ninety-one RAP eyes (74 patients) treated with anti-VEGF on an as-needed basis for at least 3 years were evaluated. Development of GA, area of GA, and injection numbers were assessed. RESULTS: Eighteen eyes that developed fibrous scar or massive hemorrhage were excluded...
March 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/26978886/retinal-angiomatous-proliferation-case-report
#18
Andrei Olaru, Denissa-Greta Olaru, Andreea Nicolcescu, Cristian Olaru, Mihaela Popescu, Andreea-Gabriela Deca, Carmen Mocanu
The diagnosis of RAP is similar with the diagnosis of the AMD, but PED, exudate and superficial hemorrhages are more common in RAP. A 75-year-old male presented himself at the Ophthalmology Department of the Emergency County Hospital in Craiova in January 2015, with a 4 months history of vision loss. In his right eye the visual acuity was 4/50 eye non-optical correctable and 5/5 with optical correction in the left eye. According to the FA and OCT that were performed in both eyes, in the right eye was found intraretinal neovascularization and sub and intraretinal fluid...
July 2015: Romanian Journal of Ophthalmology
https://www.readbyqxmd.com/read/26974308/retinal-lipid-and-glucose-metabolism-dictates-angiogenesis-through-the-lipid-sensor-ffar1
#19
Jean-Sébastien Joyal, Ye Sun, Marin L Gantner, Zhuo Shao, Lucy P Evans, Nicholas Saba, Thomas Fredrick, Samuel Burnim, Jin Sung Kim, Gauri Patel, Aimee M Juan, Christian G Hurst, Colman J Hatton, Zhenghao Cui, Kerry A Pierce, Patrick Bherer, Edith Aguilar, Michael B Powner, Kristis Vevis, Michel Boisvert, Zhongjie Fu, Emile Levy, Marcus Fruttiger, Alan Packard, Flavio A Rezende, Bruno Maranda, Przemyslaw Sapieha, Jing Chen, Martin Friedlander, Clary B Clish, Lois E H Smith
Tissues with high metabolic rates often use lipids, as well as glucose, for energy, conferring a survival advantage during feast and famine. Current dogma suggests that high-energy-consuming photoreceptors depend on glucose. Here we show that the retina also uses fatty acid β-oxidation for energy. Moreover, we identify a lipid sensor, free fatty acid receptor 1 (Ffar1), that curbs glucose uptake when fatty acids are available. Very-low-density lipoprotein receptor (Vldlr), which is present in photoreceptors and is expressed in other tissues with a high metabolic rate, facilitates the uptake of triglyceride-derived fatty acid...
April 2016: Nature Medicine
https://www.readbyqxmd.com/read/26951770/short-term-choroidal-thickness-changes-in-patients-treated-with-either-ranibizumab-or-aflibercept-a-comparative-study
#20
Jae Hui Kim, Tae Gon Lee, Young Suk Chang, Chul Gu Kim, Sung Won Cho
PURPOSE: To compare, in neovascular age-related macular degeneration (AMD) patients, short-term choroidal thickness changes in eyes treated using ranibizumab with those in eyes treated using aflibercept. METHODS: This retrospective, observational study included 240 eyes from 240 patients who had been diagnosed with treatment-naive neovascular AMD and treated using three monthly injections of either ranibizumab (ranibizumab group) or aflibercept (aflibercept group)...
March 7, 2016: British Journal of Ophthalmology
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