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Published in: International Ophthalmology 2/2023

Open Access 27-08-2022 | Vasculitis | Original Paper

Evaluation of the retinal and choroidal microvasculature changes in cases of sarcoid and tuberculosis-associated posterior uveitis using OCT angiography

Authors: Lameece Moustafa Hassan, Ashgan Asaad, Zeinab ElSanabary, Maha M. Youssef

Published in: International Ophthalmology | Issue 2/2023

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Abstract

Purpose

Using optical coherence tomography angiography (OCTA) to evaluate retinal microvascular changes in sarcoid and tuberculous (TB) posterior uveitis.

Methods

Cross-sectional observational study includes 30 eyes. FFA and OCTA images were acquired. OCTA images were analyzed for areas of capillary hypo-perfusion, disorganization of the superficial and deep capillary plexuses (SCP and DCP) and intraretinal cystoid spaces and for measuring the size of the foveal avascular zone and vessel density (VD) in the SCP and DCP.

Results

A total of 11 eyes were associated with TB and 19 with sarcoidosis. By OCTA, 100% had areas of capillary non-perfusion, 36.7% choroidal voids, 30% disorganization of the SCP and DCP and 26.6% intraretinal cystoid spaces. The VD of the DCP was significantly lower in the TB group. On comparing OCTA and FFA, parafoveal ischemia was detected more frequently on OCTA and macular edema more frequently on FFA (P =  < 0.001). The BCVA was not significantly correlated with the VD of the SCP or DCP.

Conclusion

OCTA can be used in detection of early microvascular changes, segmenting retinal layers and localizing abnormalities. The presence of these changes may aid in the diagnosis of TB and sarcoid uveitis, for prognosis, follow-up and may be the only choice when FFA is contraindicated.
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Metadata
Title
Evaluation of the retinal and choroidal microvasculature changes in cases of sarcoid and tuberculosis-associated posterior uveitis using OCT angiography
Authors
Lameece Moustafa Hassan
Ashgan Asaad
Zeinab ElSanabary
Maha M. Youssef
Publication date
27-08-2022
Publisher
Springer Netherlands
Published in
International Ophthalmology / Issue 2/2023
Print ISSN: 0165-5701
Electronic ISSN: 1573-2630
DOI
https://doi.org/10.1007/s10792-022-02464-6

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