Decreased Choriocapillaris Perfusion Following Surgical Excision of Choroidal Neovascular Membranes in Age-related Macular Degeneration

Overview

Journal Br J Ophthalmol

Specialty Ophthalmology

Date 1997 Jun 1

PMID 9274413

Citations 23

Authors

M A Nasir

I SUGINO

M A Zarbin

Affiliations

Soon will be listed here.

Abstract

Aims/background: To evaluate macular changes following surgical excision of subfoveal choroidal neovascular membranes (CNVs) in age-related macular degeneration (AMD).

Methods: The clinical records, fluorescein angiograms, and CNV histopathology of 12 patients with AMD who underwent surgical excision of subfoveal CNV were reviewed.

Results: New areas of decreased choriocapillaris perfusion were noted by fluorescein angiography in the previous location of the CNV in 8/12 (75%) cases. Surgically excised tissue contained retinal pigment epithelium (RPE) in 11/11 specimens and choriocapillaris in 1/11 specimen studied.

Conclusions: Choriocapillaris atrophy may partly underlie the limited visual outcome following subfoveal surgery for AMD. Abnormal choriocapillaris perfusion following CNV excision may be due to pre-existing choriocapillaris atrophy, to choriocapillaris damage or removal at the time of surgery, or to RPE removal at surgery with abnormal RPE repopulation of the dissected area and subsequent choriocapillaris degeneration.

Citing Articles

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