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Changes in macular vasculature after uncomplicated phacoemulsification surgery: Optical coherence tomography angiography study.

Abstract：

PURPOSE:To use optical coherence tomography (OCT) angiography and a split-spectrum amplitude-decorrelation angiography algorithm to evaluate the changes in the macular vascular system after uncomplicated phacoemulsification. SETTING:Department of Ophthalmology, Eye and and Ear, Nose, and Throat Hospital of Fudan University, Shanghai, China. DESIGN:Prospective case series. METHODS:Patients with senile cataracts were included. Retinal vessel density and thickness at the macular area were checked by OCT at baseline and at 1 week, 1 month, and 3 months after cataract surgery. RESULTS:Thirty-two eyes (32 patients) were included in the final analysis. There was a significant increase in retinal vessel density, a decrease in the foveal avascular zone at the macular area after the cataract surgery (all P < .05, repeated-measures analysis of variance), and an increase in full and inner macular thickness, all of which extended to the end of the follow-up period. At 3 months postoperatively, there was a mean 6% and 3% increase in vessel density at the parafoveal and perifoveal regions, respectively, and a mean 27% reduction in the foveal avascular zone. The mean increase in inner retinal thickness was 15%, 10%, and 7% at the fovea, parafovea, and perifovea, respectively. Compared with the parafovea and perifovea, the fovea had a much higher percentage of change in retinal vasculature and inner retinal thickness (all P < .001). CONCLUSIONS:Macular vessel density and thickness increased after cataract surgery. Whether these changes will persist over a longer period still needs to be studied.

journal_name

J Cataract Refract Surg

journal_title

Journal of cataract and refractive surgery

authors

Zhao Z,Wen W,Jiang C,Lu Y

doi

10.1016/j.jcrs.2018.02.014

subject

Has Abstract

pub_date

2018-04-01 00:00:00

pages

453-458

issue

4

eissn

0886-3350

issn

1873-4502

pii

S0886-3350(18)30230-X

journal_volume

44

pub_type

杂志文章

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