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choroidal neovascularization

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https://www.readbyqxmd.com/read/28334374/chronic-systemic-interleukin-18-does-not-promote-macular-degeneration-or-choroidal-neovascularization
#1
Scott W Canna, Guangpu Shi, Igal Gery, H Nida Sen
No abstract text is available yet for this article.
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28333879/intravitreal-aflibercept-injection-for-choroidal-neovascularization-due-to-presumed-ocular-histoplasmosis-syndrome-the-handle-study
#2
Brian W Toussaint, John W Kitchens, Dennis M Marcus, Daniel M Miller, Megan L Kingdon, Diana Holcomb, Ken Ivey
PURPOSE: To evaluate intravitreal aflibercept injection (IAI) in patients with presumed ocular histoplasmosis syndrome and choroidal neovascularization. METHODS: Open-label randomized Phase I/II study of IAI in patients with presumed ocular histoplasmosis syndrome-related choroidal neovascularization. Thirty-nine eyes from 39 patients were randomized in a 1:1 ratio to 2 groups. The Sustained Group eyes (n = 19) underwent monthly IAI for 3 months, then mandatory IAI every 2 months for 12 months (with an option for monthly PRN dosing, if needed)...
March 22, 2017: Retina
https://www.readbyqxmd.com/read/28333854/presumed-retinal-pigment-epithelium-tumor-originating-from-unilateral-retinal-pigment-epithelium-dysgenesis
#3
Orly Gal-Or, Paul T Finger, Yale L Fisher, Lawrence A Yannuzzi, K Bailey Freund
PURPOSE: To describe a patient with a presumed retinal pigment epithelium (RPE) tumor originating from unilateral RPE dysgenesis. METHODS: Case report. RESULTS: A 30-year-old woman with an unremarkable medical and ocular history was referred for an evaluation of progressive central metamorphopsia in her left eye. Visual acuity was 20/20 in her right eye and 20/25 in her left eye. Funduscopic examination of the left eye revealed an elevated mass within an area of unilateral RPE dysgenesis showing hyperpigmentation and hypopigmentation with scalloped margins...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28333783/dome-shaped-macula-in-myopic-eyes-twelve-month-follow-up
#4
Daniel Lorenzo, Luis Arias, Netan Choudhry, Eduard Millan, Ignacio Flores, Marcos J Rubio, Estefanía Cobos, Pere García-Bru, Alejandro Filloy, Josep M Caminal
PURPOSE: To study the long-term clinical course of dome-shaped macula in myopic eyes and to evaluate treatment efficacy for subretinal fluid (SRF) as a related complication. METHODS: A retrospective, single-center consecutive case series study was conducted. The authors analyzed myopic eyes with dome-shaped macula in patients who presented for evaluation of decreased vision. Dome-shaped macula was defined as a convexity of the retina-choroidal macular complex seen on spectral domain optical coherence tomography images...
April 2017: Retina
https://www.readbyqxmd.com/read/28333572/new-insights-on-complement-inhibitor-cd59-in-mouse-laser-induced-choroidal-neovascularization-mislocalization-after-injury-and-targeted-delivery-for-protein-replacement
#5
Gloriane Schnabolk, Mee Keong Beon, Stephen Tomlinson, Bärbel Rohrer
PURPOSE: The membrane attack complex (MAC) in choriocapillaris (CC) and retinal pigment epithelium (RPE) increase with age and disease (age-related macular degeneration). MAC assembly can be inhibited by CD59, a membrane-bound regulator. Here we further investigated the role of CD59 in murine choroidal neovascularization (CNV), a model involving both CC and RPE, and tested whether CR2-CD59, a soluble targeted form of CD59, provides protection. METHODS: Laser-induced CNV was generated in wild type and CD59a-deficient mice (CD59(-/-))...
March 23, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28332318/a-novel-bispecific-molecule-delivered-by-recombinant-aav2-suppresses-ocular-inflammation-and-choroidal-neovascularization
#6
Yiming Li, Ping Zhu, Amrisha Verma, Tuhina Prasad, Hongxin Deng, Dechao Yu, Qiuhong Li
Elevated vascular endothelial growth factor (VEGF) and complement activation are implicated in the pathogenesis of different ocular diseases. The objective of this study was to investigate the hypothesis that dual inhibition of both VEGF and complement activation would confer better protection against ocular inflammation and neovascularization. In this study, we engineered a secreted chimeric VEGF inhibitor domain (VID), a complement inhibitor domain (CID) and a dual inhibitor (ACVP1). Vectors expressing these three inhibitors were constructed and packaged into AAV2 (sextY-F) particles...
March 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28325297/engineering-of-pedf-expressing-primary-pigment-epithelial-cells-by-the-sb-transposon-system-delivered-by-pfar4-plasmids
#7
Gabriele Thumann, Nina Harmening, Cécile Prat-Souteyrand, Corinne Marie, Marie Pastor, Attila Sebe, Csaba Miskey, Laurence D Hurst, Sabine Diarra, Martina Kropp, Peter Walter, Daniel Scherman, Zoltán Ivics, Zsuzsanna Izsvák, Sandra Johnen
Neovascular age-related macular degeneration (nvAMD) is characterized by choroidal blood vessels growing into the subretinal space, leading to retinal pigment epithelial (RPE) cell degeneration and vision loss. Vessel growth results from an imbalance of pro-angiogenic (e.g., vascular endothelial growth factor [VEGF]) and anti-angiogenic factors (e.g., pigment epithelium-derived factor [PEDF]). Current treatment using intravitreal injections of anti-VEGF antibodies improves vision in about 30% of patients but may be accompanied by side effects and non-compliance...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28315512/comments-to-clinical-experience-of-switching-anti-vegf-therapy-from-ranibizumab-to-aflibercept-in-age-related-choroidal-neovascularization
#8
Dan Călugăru, Mihai Călugăru
No abstract text is available yet for this article.
March 7, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28301410/allergic-reaction-upon-intravitreal-administration-of-anti-vascular-endothelial-growth-factor-agents
#9
Gavin G Meredith, Paul A Schkade, Brian C Joondeph
PURPOSE: To describe the patient's allergic response to anti-vascular endothelial growth factor drugs after receiving intravitreal bevacizumab for choroidal neovascularization. METHODS: Clinical case report. RESULTS: Formal allergy evaluation revealed hypersensitivity to bevacizumab and ranibizumab, but not to pegaptanib or aflibercept. CONCLUSION: Bevacizumab and ranibizumab are derivatives of murine monoclonal antibodies, whereas pegaptanib is an aptamer and aflibercept is a fusion protein of human origin...
March 15, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28299000/chorioretinal-coloboma-complications-retinal-detachment-and-choroidal-neovascular-membrane
#10
Rehan M Hussain, Ashkan M Abbey, Ankoor R Shah, Kimberly A Drenser, Michael T Trese, Antonio Capone
PURPOSE: To report the chorioretinal coloboma, and its association with increased risk of retinal detachment (RD) and choroidal neovascularization (CNV). METHODS: This retrospective case series included eyes with chorioretinal coloboma diagnosed between 1995 and 2014 with a focus on RD and CNV as related complications. Cases of CNV were managed with laser photocoagulation or intravitreal injection of bevacizumab. For eyes with CNV, therapeutic success was defined as resolution of the subretinal hemorrhage on fundus examination and resolution of the subretinal and intraretinal fluid on optical coherence tomography (OCT)...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28298866/choroidal-neovascularization-secondary-to-ocular-penetration-during-retrobulbar-anesthesia-and-its-treatment
#11
Seyhan Dikci, Turgut Yılmaz, Zarife Ekici Gök, Soner Demirel, Oğuzhan Genç
Retrobulbar anesthesia is still used before ocular surgery; however, it has various complications including ocular penetration. The penetration/perforation of the globe can cause complications such as endophthalmitis, retinal detachment, and scotoma. Choroidal neovascularization (CNV) is rarely seen, following choroidal rupture in penetrating eye injuries. Here, we present a patient who underwent a pars plana vitrectomy for vitreous hemorrhage secondary to ocular penetration during a retrobulbar injection for cataract surgery...
January 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28297030/how-to-differentiate-myopic-choroidal-neovascularization-idiopathic-multifocal-choroiditis-and-punctate-inner-choroidopathy-using-clinical-and-multimodal-imaging-findings
#12
Rosa Dolz-Marco, Howard F Fine, K Bailey Freund
No abstract text is available yet for this article.
March 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28293535/inflammatory-choroidal-neovascular-membrane-after-healed-tuberculous-choroidal-granuloma
#13
Sikander A K Lodhi, Khadija Saifuddin, Santhosh Devulapally
Objective: To present a case of choroidal granuloma masquerading as intraocular tumor that healed on anti-tuberculous treatment but led to the development of inflammatory choroidal neovascular membrane (CNVM). Method: A 42-year-old female patient with past history of hysterectomy presented with diminution of vision in the right eye. Fundus examination in the right eye showed a yellowish white choroidal mass with associated bullous retinal detachment superotemporal to fovea. Left eye fundus was normal. Fundus flourescein angiography showed early and late hyperflourescence with late pooling in serous detachments...
2017: GMS Ophthalmology Cases
https://www.readbyqxmd.com/read/28293432/diabetic-retinopathy-and-oct-angiography-clinical-findings-and-future-perspectives
#14
REVIEW
Jose Mauricio Botto de Barros Garcia, David Leonardo Cruvinel Isaac, Marcos Avila
In diabetic retinopathy (DR), macular involvement can present as either macular edema or ischemia. Fluorescein angiography remains the gold standard in the evaluation of retinal vascular perfusion and diagnosis of macular ischemia. However, it is a costly, time-consuming technique, it requires venipuncture, and reports of anaphylaxis and death related to fluorescein injections have been documented, despite their rarity. Optical coherence tomography (OCT) provides a fast and non-invasive method to assess retinal structures at a microscopic level...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28289053/vegf165-induced-vascular-permeability-requires-nrp1-for-abl-mediated-src-family-kinase-activation
#15
Alessandro Fantin, Anastasia Lampropoulou, Valentina Senatore, James T Brash, Claudia Prahst, Clemens A Lange, Sidath E Liyanage, Claudio Raimondi, James W Bainbridge, Hellmut G Augustin, Christiana Ruhrberg
The vascular endothelial growth factor (VEGF) isoform VEGF165 stimulates vascular growth and hyperpermeability. Whereas blood vessel growth is essential to sustain organ health, chronic hyperpermeability causes damaging tissue edema. By combining in vivo and tissue culture models, we show here that VEGF165-induced vascular leakage requires both VEGFR2 and NRP1, including the VEGF164-binding site of NRP1 and the NRP1 cytoplasmic domain (NCD), but not the known NCD interactor GIPC1. In the VEGF165-bound receptor complex, the NCD promotes ABL kinase activation, which in turn is required to activate VEGFR2-recruited SRC family kinases (SFKs)...
March 13, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28282700/-choroidal-neovascularisation-other-than-typical-neovascular-age-related-macular-degeneration
#16
D Sandner
Choroidal neovascularisation (CNV) in the context of exsudative age-related macular degeneration (nAMD) can be divided into type 1 (occult) and type 2 (classical) membranes. Retinal angiomatous proliferation (RAP) or polypoidal choroidal vasculopathy (PCV) are "rare subtypes" of chorioretinal neovascularisation and are distinguished by their distinct morphology and the sometimes worse response to therapy. Chorioretinal anastomosis, severe exsudates with serosanguinous pigment epithelial detachment and, in PCV, orange-red lesions in the papillomacular bundle can be diagnostic...
March 10, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28282423/age-related-macular-degeneration-phenotypes-are-associated-with-increased-tumor-necrosis-alpha-and-subretinal-immune-cells-in-aged-cxcr5-knockout-mice
#17
Hu Huang, Ying Liu, Lei Wang, Wen Li
The role of chemokine receptor in age-related macular degeneration (AMD) remains elusive. The objective of this study is to investigate the role of chemokine receptor Cxcr5 in the pathogenesis of AMD. Cxcr5 gene expression levels (mRNA and protein) are higher in the retina and retinal pigment epithelium (RPE) of aged C57BL/6 wild type mice than younger ones. Vascular and glial cells express Cxcr5 and its ligand Cxcl13 in mouse retina. Aged Cxcr5 knockout (-/-) mice develop both early and late AMD-like pathological features...
2017: PloS One
https://www.readbyqxmd.com/read/28278507/improved-visual-outcome-and-low-recurrence-with-early-treatment-with-intravitreal-anti-vascular-endothelial-growth-factor-in-myopic-choroidal-neovascularization
#18
Byung Gil Moon, Ah Ran Cho, Junyeop Lee, Yoon Jeon Kim, Joo Yong Lee, June-Gone Kim, Young Hee Yoon
PURPOSE: The aim of this study was to determine the correlation between the duration of myopic choroidal neovascularization (CNV) and treatment outcome after anti-vascular endothelial growth factor (VEGF) injections. METHODS: We performed a retrospective review of treatment-naïve myopic CNV patients who were treated with anti-VEGF and followed for at least 24 months to identify factors predicting final outcome and recurrence. RESULTS: Among 106 eyes, a shorter duration of CNV was a significant predictor of a better final best-corrected visual acuity, even after controlling for other factors (p = 0...
March 10, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28273317/automated-quantitation-of-choroidal-neovascularization-a-comparison-study-between-spectral-domain-and-swept-source-oct-angiograms
#19
Qinqin Zhang, Chieh-Li Chen, Zhongdi Chu, Fang Zheng, Andrew Miller, Luiz Roisman, Joao Rafael de Oliveira Dias, Zohar Yehoshua, Karen B Schaal, William Feuer, Giovanni Gregori, Sophie Kubach, Lin An, Paul F Stetson, Mary K Durbin, Philip J Rosenfeld, Ruikang K Wang
Purpose: To compare the lesion sizes of choroidal neovascularization (CNV) imaged with spectral-domain (SD) and swept-source (SS) optical coherence tomography angiography (OCTA) and measured using an automated detection algorithm. Methods: Patients diagnosed with CNV were imaged by SD-OCTA and SS-OCTA systems using 3 × 3-mm and 6 × 6-mm scans. The complex optical microangiography (OMAGC) algorithm was used to generate the OCTA images. Optical coherence tomography A datasets for imaging CNV were derived by segmenting from the outer retina to 8 μm below Bruch's membrane...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28273316/comparison-between-spectral-domain-and-swept-source-optical-coherence-tomography-angiographic-imaging-of-choroidal-neovascularization
#20
Andrew R Miller, Luiz Roisman, Qinqin Zhang, Fang Zheng, Joao Rafael de Oliveira Dias, Zohar Yehoshua, Karen B Schaal, William Feuer, Giovanni Gregori, Zhongdi Chu, Chieh-Li Chen, Sophie Kubach, Lin An, Paul F Stetson, Mary K Durbin, Ruikang K Wang, Philip J Rosenfeld
Purpose: The purpose of this study was to compare imaging of choroidal neovascularization (CNV) using swept-source (SS) and spectral-domain (SD) optical coherence tomography angiography (OCTA). Methods: Optical coherence tomography angiography was performed using a 100-kHz SS-OCT instrument and a 68-kHz SD-OCTA instrument (Carl Zeiss Meditec, Inc.). Both 3 × 3- and 6 × 6-mm2 scans were obtained on both instruments. The 3 × 3-mm2 SS-OCTA scans consisted of 300 A-scans per B-scan at 300 B-scan positions, and the SD-OCTA scans consisted of 245 A-scans at 245 B-scan positions...
March 1, 2017: Investigative Ophthalmology & Visual Science
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