新生血管
糖尿病性视网膜病变
眼科
医学
光学相干断层摄影术
视网膜
视网膜
荧光血管造影
血管造影
光学相干层析成像
放射科
血管生成
糖尿病
内科学
光学
内分泌学
物理
作者
Talisa E de Carlo,Marco A. Bonini Filho,Caroline R. Baumal,Elias Reichel,Adam H. Rogers,André J. Witkin,Jay S. Duker,Nadia K. Waheed
出处
期刊:Ophthalmic surgery, lasers & imaging retina
日期:2016-02-01
卷期号:47 (2): 115-119
被引量:84
标识
DOI:10.3928/23258160-20160126-03
摘要
BACKGROUND AND OBJECTIVE: To describe a method for visualizing preretinal neovascularization in proliferative diabetic retinopathy (PDR) using optical coherence tomography angiography (OCTA) and report the findings in the surrounding vasculature. PATIENTS AND METHODS: Patients with PDR diagnosed on clinical examination who received OCTA scans using the RTVue XR Avanti (Optovue, Fremont, CA) were evaluated. To visualize preretinal neovascularization, OCT angiograms were segmented to project vasculature above the internal limiting membrane (ILM). OCT angiograms were segmented between the ILM and Bruch's membrane to show adjacent retinal vasculature. RESULTS: Thirteen eyes were determined to have preretinal neovascularization in the posterior pole based on OCTA. One OCT angiogram was not of sufficient quality and thus was eliminated from further study. Eleven eyes (92%) had neovascularization adjacent to retinal capillary nonperfusion and six (50%) were adjacent to intraretinal microvascular abnormalities (IRMAs). CONCLUSION: OCTA provided high-resolution, depth-resolved blood flow information, allowing for visualization of preretinal neovascularization, IRMA, and adjacent capillary nonperfusion. [ Ophthalmic Surg Lasers Imaging Retina . 2016;47:115–119.]
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