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Erschienen in: Graefe's Archive for Clinical and Experimental Ophthalmology 2/2021

03.07.2020 | Retinal Disorders

Optical coherence tomography angiography for detection of macular neovascularization associated with atrophy in age-related macular degeneration

verfasst von: Federico Corvi, Mariano Cozzi, Alessandro Invernizzi, Lucia Pace, Srinivas R. Sadda, Giovanni Staurenghi

Erschienen in: Graefe's Archive for Clinical and Experimental Ophthalmology | Ausgabe 2/2021

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Abstract

Purpose

To evaluate the ability of optical coherence tomography angiography (OCTA) to detect macular neovascularization (MNV) in eyes with atrophy compared with fluorescein angiography (FA), indocyanine green angiography (ICGA), and optical coherence tomography (OCT).

Methods

In this prospective study, eyes with MNV and atrophy (termed macular atrophy or MA) secondary to age-related macular degeneration (AMD), and AMD eyes with geographic atrophy (GA) without MNV underwent multimodal imaging with FA, ICGA, structural OCT, and OCTA. The presence of MNV was determined using all imaging modalities by senior retina specialists and was considered the gold standard reference. Each individual imaging modality was then evaluated independently by two expert readers for the presence of MNV in a masked fashion. Morphologic characteristics of the MNV were evaluated on the custom OCTA slab.

Results

Twenty-one patients with MA+MNV and 21 with GA only were enrolled. Manual segmentation on OCTA allowed detection of the MNV in 95.2% of eyes with MA+MNV and in 4.7% of eyes with GA, showing high specificity (95.2%) and sensitivity (95.2%). FA, ICGA, and OCT detected MNV in 57.1%, 52.3%, and 66.7% of eyes with MA+MNV and in 14.2%, 9.5%, and 42.8% with GA. Sensitivity and specificity were 85.7% and 57.1% for FA, 90.5% and 52.4% for ICGA, and 66.7% and 57.1% for OCT.

Conclusions

OCTA appears to be superior to other imaging modalities for identification of MNV in eyes with macular atrophy. OCTA should be considered as part of the multimodal imaging evaluation of eyes with atrophy, particularly in the context of clinical trials.
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Metadaten
Titel
Optical coherence tomography angiography for detection of macular neovascularization associated with atrophy in age-related macular degeneration
verfasst von
Federico Corvi
Mariano Cozzi
Alessandro Invernizzi
Lucia Pace
Srinivas R. Sadda
Giovanni Staurenghi
Publikationsdatum
03.07.2020
Verlag
Springer Berlin Heidelberg
Erschienen in
Graefe's Archive for Clinical and Experimental Ophthalmology / Ausgabe 2/2021
Print ISSN: 0721-832X
Elektronische ISSN: 1435-702X
DOI
https://doi.org/10.1007/s00417-020-04821-6

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