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choroidal neovascularization

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https://www.readbyqxmd.com/read/28715845/apatinib-an-inhibitor-of-vascular-endothelial-growth-factor-receptor-2-suppresses-pathologic-ocular-neovascularization-in-mice
#1
Koung Li Kim, Wonhee Suh
Purpose: Vascular endothelial growth factor (VEGF) signaling via VEGF receptor 2 (VEGFR2) plays a crucial role in pathologic ocular neovascularization. In this study, we investigated the antiangiogenic effect of apatinib, a pharmacologic inhibitor of VEGFR2 tyrosine kinase, against oxygen-induced retinopathy (OIR) and laser-induced choroidal neovascularization (CNV) in mice. Methods: Western blotting and in vitro angiogenesis assays were performed using human retinal microvascular endothelial cells (HRMECs)...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28715590/optical-coherence-tomography-features-preceding-the-onset-of-advanced-age-related-macular-degeneration
#2
Daniela Ferrara, Rachel E Silver, Ricardo N Louzada, Eduardo A Novais, Giliann K Collins, Johanna M Seddon
Purpose: Age-related macular degeneration (AMD) is a progressive disease with multifactorial etiology. There is a need to identify clinical features that are harbingers of advanced disease. We evaluated morphologic features of the retina and choroid on optical coherence tomography (OCT) to determine if they predict progression to advanced disease. Methods: Progressors transitioned from early or intermediate AMD to advanced disease (n = 40 eyes), and were matched on baseline AMD grade and follow-up interval to nonprogressors who did not develop advanced AMD (n = 40 eyes)...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28712657/prevalence-of-age-related-macular-degeneration-in-europe-the-past-and-the-future
#3
Johanna M Colijn, Gabriëlle H S Buitendijk, Elena Prokofyeva, Dalila Alves, Maria L Cachulo, Anthony P Khawaja, Audrey Cougnard-Gregoire, Bénédicte M J Merle, Christina Korb, Maja G Erke, Alain Bron, Eleftherios Anastasopoulos, Magda A Meester-Smoor, Tatiana Segato, Stefano Piermarocchi, Paulus T V M de Jong, Johannes R Vingerling, Fotis Topouzis, Catherine Creuzot-Garcher, Geir Bertelsen, Norbert Pfeiffer, Astrid E Fletcher, Paul J Foster, Rufino Silva, Jean-François Korobelnik, Cécile Delcourt, Caroline C W Klaver
PURPOSE: Age-related macular degeneration (AMD) is a frequent, complex disorder in elderly of European ancestry. Risk profiles and treatment options have changed considerably over the years, which may have affected disease prevalence and outcome. We determined the prevalence of early and late AMD in Europe from 1990 to 2013 using the European Eye Epidemiology (E3) consortium, and made projections for the future. DESIGN: Meta-analysis of prevalence data. PARTICIPANTS: A total of 42 080 individuals 40 years of age and older participating in 14 population-based cohorts from 10 countries in Europe...
July 14, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28708222/multimodal-imaging-in-a-patient-with-traumatic-choroidal-ruptures
#4
Luisa Pierro, Chiara Giuffrè, Alessandro Rabiolo, Marco Gagliardi, Alessandro Arrigo, Francesco Bandello
PURPOSE: To describe the case and the follow-up of a traumatic choroidal rupture characterized by means of multimodal imaging including color fundus photographs, infrared reflectance, blue autofluorescence, swept-source optical coherence tomography, fluorescein angiography (FA), indocyanine green angiography (ICGA), and optical coherence tomography angiography (OCT-A). METHODS: Case report. RESULTS: A 17-year-old boy was referred to our clinic complaining of reduction in visual acuity in the right eye (RE) after a blunt ocular trauma during a soccer match...
July 5, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28707091/-fluorescein-indocyanine-green-and-optical-coherence-tomography-angiography-in-patients-with-native-exudative-age-related-macular-degeneration
#5
L J B Pauleikhoff, K Blobner, K Wehrmann, N Feucht, C P Lohmann, M Maier
INTRODUCTION: The newly developed optical coherence tomography angiography (OCT-A) has provided new means to depict the vascular plexus in neovascular age-related macular degeneration (nAMD). If these images are to be used as a basis for therapeutic decisions, it is of vital importance to classify choroidal neovascularization (CNV) as either classical or occult. This study aimed at comparing the findings in OCT-A imaging of CNV with the traditional multimodal imaging through fluorescein angiography (FLA) and indocyanine green angiography (ICGA)...
July 13, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28704254/efficacy-and-safety-of-ranibizumab-for-the-treatment-of-choroidal-neovascularization-due-to-uncommon-cause-twelve-month-results-of-the-minerva-study
#6
Timothy Y Y Lai, Giovanni Staurenghi, Paolo Lanzetta, Frank G Holz, Shiao Hui Melissa Liew, Sabine Desset-Brethes, Harry Staines, Philip G Hykin
PURPOSE: To evaluate the efficacy and safety of ranibizumab 0.5 mg in adult patients with choroidal neovascularization because of an uncommon cause enrolled in the 12-month MINERVA study. METHODS: In this Phase III, double-masked study, adult (≥18 years) patients (N = 178) were randomized 2:1 to receive either ranibizumab (n = 119) or sham (n = 59) at baseline and, if needed, at Month 1 and open-label individualized ranibizumab from Month 2. Best-corrected visual acuity change from baseline to Month 2 (primary endpoint) and Month 12, treatment exposure, and safety over 12 months were reported...
July 12, 2017: Retina
https://www.readbyqxmd.com/read/28702676/prevalence-and-risk-factors-for-nonexudative-neovascularization-in-fellow-eyes-of-patients-with-unilateral-age-related-macular-degeneration-and-polypoidal-choroidal-vasculopathy
#7
Yasuo Yanagi, Aditi Mohla, Won-Ki Lee, Shu Yen Lee, Ranjana Mathur, Choi Mun Chan, Ian Yeo, Tien Yin Wong, Chui Ming Gemmy Cheung
Purpose: To determine the prevalence of subclinical nonexudative neovascularization and associated choroidal vascular changes in the fellow eyes of patients presenting with unilateral typical exudative AMD (tAMD) or polypoidal choroidal vasculopathy (PCV) using indocyanine green angiography (ICGA) and swept-source (SS) optical coherence tomography angiography (OCT-A). Methods: We recruited patients presenting with tAMD or PCV in a prospective clinical study. The diagnosis in the presenting eye was determined based on clinical, fluorescein angiography (FA), and ICGA findings...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28700136/an-automated-framework-to-quantify-areas-of-regional-ischemia-in-retinal-vascular-diseases-with-oct-angiography
#8
Neha Anegondi, Lavanya Chidambara, Devanshi Bhanushali, Santosh G K Gadde, Naresh Kumar Yadav, Abhijit Sinha Roy
In this observational and cross-sectional study, capillary non perfusion (CNP) and vascular changes in branch retinal vein occlusion (BRVO, sample size (n) = 26) and choroidal neovascularization (CNV, n = 29) were evaluated. Subjects underwent imaging using Optical coherence tomography angiography (Angiovue™ OCTA , RTVue XR, Optovue Inc., Fremont, CA). Local fractal analysis was applied to the OCTA images of superficial, deep and choriocapillaries layer. CNP area (BRVO eyes) and vascular parameters were computed using local fractal based method...
July 12, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28699928/anti-vegf-therapy-versus-photodynamic-therapy-in-the-treatment-of-choroidal-neovascularization-secondary-to-central-serous-chorioretinopathy
#9
Enrico Peiretti, Giulia Caminiti, Rita Serra, Lea Querques, Riccardo Pertile, Giuseppe Querques
PURPOSE: To evaluate the efficacy of photodynamic therapy (PDT) compared with intravitreal vascular endothelial growth factor (VEGF) inhibitors alone or combined with PDT in the treatment of choroidal neovascularization (CNV) secondary to chronic central serous chorioretinopathy (CSCR). METHODS: Retrospective study of a consecutive series of 34 white patients (34 eyes) with angiographic evidence of choroidal neovascularization secondary to chronic central serous chorioretinopathy, divided into two groups followed for at least 12 months: 16 were treated with full fluence PDT (PDT group) and 18 with vascular endothelial growth factor inhibitors (intravitreal [IVT] group)...
July 7, 2017: Retina
https://www.readbyqxmd.com/read/28697703/retrospective-analysis-of-the-effect-of-aflibercept-loading-dose-on-the-retinal-vessel-diameters-in-patients-with-treatment-naive-neovascular-amd
#10
Mehmet Tetikoğlu, Muhammed Mustafa Kurt, Hacı Murat Sağdık, Serdar Aktaş, Medine Aslı Yıldırım, Fatih Özcura
BACKGROUND: To evaluate the effects of intravitreal aflibercept (IVA) on retinal vessel diameters in patients with neovascular age-related macular degeneration (AMD). DESIGN, SETTING, AND PARTICIPANTS: A retrospective study conducted at the Kutahya Dumlupinar University Faculty of Medicine included fifteen eyes of fifteen patients with treatment naive neovascular AMD. METHODS: All eyes received IVA injections once per month for 3 months; untreated contralateral eyes were used as controls...
July 11, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28691937/macular-atrophy-and-macular-morphology-in-aflibercept-treated-neovascular-age-related-macular-degeneration
#11
Yoshimasa Kuroda, Kenji Yamashiro, Sotaro Ooto, Hiroshi Tamura, Akio Oishi, Hideo Nakanishi, Manabu Miyata, Masayuki Hata, Ayako Takahashi, Tomotaka Wakazono, Nagahisa Yoshimura, Akitaka Tsujikawa
PURPOSE: To investigate the incidence and predictors of macular atrophy during treatment with aflibercept for neovascular age-related macular degeneration in Japanese patients. METHODS: This study included patients with treatment-naive subfoveal neovascular age-related macular degeneration treated from December 2012 through January 2015. Patients were treated with bi-monthly aflibercept injections after 3 monthly loading injections for the first year. Diagnosis of retinal pigment epithelial atrophy was made based on color fundus photography, spectral-domain optical coherence tomography, and fundus autofluorescence...
July 4, 2017: Retina
https://www.readbyqxmd.com/read/28689265/aerobic-glycolysis-hypothesis-through-wnt-beta-catenin-pathway-in-exudative-age-related-macular-degeneration
#12
REVIEW
Alexandre Vallée, Yves Lecarpentier, Rémy Guillevin, Jean-Noël Vallée
Exudative age-related macular degeneration (AMD) is characterized by molecular mechanisms responsible for the initiation of choroidal neovascularization (CNV). Inflammatory processes are associated with upregulation of the canonical WNT/beta-catenin pathway in exudative AMD. We focus this review on the link between WNT/beta-catenin pathway activation and neovascular progression in exudative AMD through activation of aerobic glycolysis for production of angiogenic factors. Increased WNT/beta-catenin pathway involves hexokinase 2 (HK2) and pyruvate kinase M2 (PKM2)...
July 8, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28686709/axial-length-changes-in-highly-myopic-eyes-and-influence-of-myopic-macular-complications-in-japanese-adults
#13
Hideharu Ohsugi, Yasushi Ikuno, Tomohiro Shoujou, Kanako Oshima, Eiko Ohsugi, Hitoshi Tabuchi
PURPOSE: To investigate changes of the axial length in normal eyes and highly myopic eyes and influence of myopic macular complications in Japanese adults. STUDY DESIGN: Retrospective longitudinal case series. METHODS: The changes in the axial length of 316 eyes from 316 patients (mean age, 63.8 ± 9.0 years; range, 34-82; 240 females) examined using IOLMaster with a follow-up period of at least 1 year were studied. This study included 85 non-highly myopic eyes (|refractive error| ≤ 5 diopters; 63 females; non-highly myopic group), 165 highly myopic eyes (refractive error ≤ -6 diopters or axial length ≥ 26 mm; 124 females) without macular complications (no complications group), 32 eyes (25 females) with myopic traction maculopathy (MTM group), and 34 eyes (28 females) with myopic choroidal neovascularization (CNV group)...
2017: PloS One
https://www.readbyqxmd.com/read/28682418/effects-of-epoxyeicosatrienoic-acids-eets-on-retinal-macular-degeneration-in-rat-models
#14
F Mei, J-G Wang, Z-J Chen, Z-L Yuan
OBJECTIVE: Here we use a rat model to investigate the effects of epoxyeicosatrienoic acids (EETs) on retinal macular degeneration along with pathological and physiological mechanisms of the disease. MATERIALS AND METHODS: Six choroidal neovascularization (CNV) rats were created with a 532 nm laser and received intravitreal injections of EETs in both eyes. On day 1, 3, 7 and 14 after photocoagulation, the thickness and area of CNV were measured with HE staining and choroidal flat mounts...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28679845/negative-regulators-of-angiogenesis-important-targets-for-treatment-of-exudative-amd
#15
REVIEW
Mitra Farnoodian, Shoujian Wang, Joel Dietz, Robert W Nickells, Christine M Sorenson, Nader Sheibani
Angiogenesis contributes to the pathogenesis of many diseases including exudative age-related macular degeneration (AMD). It is normally kept in check by a tightly balanced production of pro- and anti-angiogenic factors. The up-regulation of the pro-angiogenic factor, vascular endothelial growth factor (VEGF), is intimately linked to the pathogenesis of exudative AMD, and its antagonism has been effectively targeted for treatment. However, very little is known about potential changes in expression of anti-angiogenic factors and the role they play in choroidal vascular homeostasis and neovascularization associated with AMD...
August 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28669776/association-of-vascular-vs-avascular-subretinal-hyperreflective-material-with-aflibercept-response-in-age-related-macular-degeneration
#16
Yu Kawashima, Masayuki Hata, Akio Oishi, Sotaro Ooto, Kenji Yamashiro, Hiroshi Tamura, Manabu Miyata, Akihito Uji, Naoko Ueda-Arakawa, Akitaka Tsujikawa
PURPOSE: To investigate flow signal within subretinal hyperreflective material (SHRM) using optical coherence tomography angiography (OCTA) and its association with aflibercept treatment responses in treatment-naïve neovascular age-related macular degeneration (nAMD). DESIGN: Prospective consecutive interventional case series METHODS: Forty-four eyes of 44 patients with treatment-naive nAMD manifesting SHRM on OCT were studied. All patients underwent OCTA and received three monthly aflibercept injections...
June 29, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28666022/intravitreal-itraconazole-inhibits-laser-induced-choroidal-neovascularization-in-rats
#17
Jeong Hun Bae, Ah Reum Hwang, Chan Yun Kim, Hyeong Gon Yu, Hyoung Jun Koh, Woo Ick Yang, Hae Ran Chang, Sung Chul Lee
Choroidal neovascularization (CNV) is a major cause of severe visual loss in patients with age-related macular degeneration (AMD). Recently, itraconazole has shown potent and dose-dependent inhibition of tumor-associated angiogenesis. We evaluated the anti-angiogenic effect of itraconazole in a rat model of laser-induced CNV. After laser photocoagulation in each eye to cause CNV, right eyes were administered intravitreal injections of itraconazole; left eyes received balanced salt solution (BSS) as controls...
2017: PloS One
https://www.readbyqxmd.com/read/28655539/myopic-choroidal-neovascularization-review-guidance-and-consensus-statement-on-management
#18
Chui Ming Gemmy Cheung, Jennifer J Arnold, Frank G Holz, Kyu Hyung Park, Timothy Y Y Lai, Michael Larsen, Paul Mitchell, Kyoko Ohno-Matsui, Shih-Jen Chen, Sebastian Wolf, Tien Yin Wong
TOPIC: The aim of this article is to review and compile available information on the classification, pathophysiology, and clinical features of myopic choroidal neovascularization (CNV); to describe the latest data on the management of this disease; and to present guidance. CLINICAL RELEVANCE: In the United States, myopia affects approximately 34 million people (2010), and similar figures have been reported in Europe. Pathologic myopia (PM), a possible consequence of myopia, is estimated to affect up to 3% of the global population...
June 24, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28654629/predictors-of-one-year-visual-outcomes-after-anti-vascular-endothelial-growth-factor-treatment-for-neovascular-age-related-macular-degeneration
#19
Laurent Kodjikian, Evelyne Decullier, Eric H Souied, Adeline Roux, Gilles Aulagner, Laure Huot
PURPOSE: To determine predictors of best-corrected visual acuity (BCVA) outcomes 1 year after ranibizumab or bevacizumab treatment for neovascular age-related macular degeneration, within the French Study Group Avastin versus Lucentis for neovascular age-related macular degeneration (GEFAL). METHODS: Patients aged ≥50 years presenting subfoveal neovascular age-related macular degeneration were randomized to receive ranibizumab or bevacizumab (3 monthly intravitreal injections followed by an as-needed regimen)...
June 20, 2017: Retina
https://www.readbyqxmd.com/read/28641290/long-term-follow-up-of-choroidal-neovascularization-due-to-angioid-streaks-with-pro-re-nata-intravitreal-anti-vegf-treatment
#20
Giovanni Giacomelli, Lucia Finocchio, Ilaria Biagini, Andrea Sodi, Vittoria Murro, Ugo Introini, Monica Varano, Francesco Bandello, Ugo Menchini
PURPOSE: To evaluate the long-term outcomes of intravitreal anti-vascular endothelial growth factor (VEGF) drugs with a pro re nata (PRN) regimen for the treatment of choroidal neovascularization (CNV) secondary to angioid streaks (AS). METHODS: This is a retrospective, multicenter, noncomparative case series of consecutive AS eyes affected by treatment-naïve CNV. A complete ophthalmologic examination was performed every 30-45 days after the loading phase, including fluorescein angiography and/or optical coherence tomography...
June 23, 2017: Ophthalmologica. Journal International D'ophtalmologie
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