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Evaluation of Capillary Network Abnormalities in Branch Retinal Vein Occlusion by Optical Coherence Tomography Angiography

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Last updated: 03 Jan 2025

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Abstract

Objectives: Is to detect the vascular morphological changes in the two intra retinal; layers superficial network layer and deep network layer by optical coherence tomography angiography (OCT-A) in cases with acute onset branch retinal vein occlusion (BRVO).
Study Design: An observational cross-sectional study in new Kafer El-Sheikh Ophthalmology Hospital. Population: This study included ten patients with (BRVO) of recent onset within the last three months. Methods: Demographic data such as age, gender, sex and hypertensive history were obtained. A detailed evaluation of cases including complete anterior segment evaluation and posterior segment evaluation was done. OCT-A and fluorescein angiography (FA) were used to study the vascular morphological changes in the (BRVO) area.
Results: As regarding 5 disc area of retinal ischemia FA detected ischemia in 2 cases (20%), detected no ischemia in one case (10%) and was not able to evaluate ischemia in 7 cases (70%) compared to OCT-A, that detected the ischemia in the superficial capillary plexus (SCP)in 4 cases (40%), and detected no ischemia in 6 cases (60%), but it detected the ischemia in the deep capillary plexus (DCP) in 6 cases (60%) and detected no ischemia in 4 cases (40%).
Conclusion: Our study demonstrated that OCT-A was superior to FA in detection of macular ischemia in cases with acute onset branch retinal vein occlusion (BRVO), macular ischemia detected in the DCP by OCT- A had stronger negative relation with V.A. than that of SCP. By OCT-A macular edema (ME) was present mainly in the DCP compared to SCP.

DOI

10.21608/ejhm.2018.9086

Keywords

Branch retinal vein occlusion (BRVO), fluorescein angiography (FA) capillary non-perfusion, foveal avascular zone(FAZ), macular ischemia, macular edema(ME), optical coherence tomography angiography(OCT-A), superficial capillary plexus (SCP), deep capillary plexus (DCP)

Authors

First Name

Khaled Mohamed Selim, Ahmed El-Sayed Hudieb,

Last Name

Mahmoud Salah Aldin Aldemardach

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Affiliation

Ophthalmology Department, Faculty of Medicine, Al-Azhar University, Cairo, Egypt

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Volume

72

Article Issue

2

Related Issue

1774

Issue Date

2018-07-01

Receive Date

2018-07-14

Publish Date

2018-07-01

Page Start

3,996

Page End

3,999

Print ISSN

1687-2002

Online ISSN

2090-7125

Article File

EJHM_Volume 72_Issue 2_Pages 3996-3999.pdf

PDF . 134.5kB

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https://ejhm.journals.ekb.eg/article_9086.html

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https://ejhm.journals.ekb.eg/service?article_code=9086

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Original Article

Type Code

606

Publication Type

Journal

Publication Title

The Egyptian Journal of Hospital Medicine

Publication Link

https://ejhm.journals.ekb.eg/

MainTitle

Evaluation of Capillary Network Abnormalities in Branch Retinal Vein Occlusion by Optical Coherence Tomography Angiography

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Article

Created At

22 Jan 2023