Photodiagnosis and photodynamic therapy · 2021
Short-term effect of angiotensin converting enzyme inhibitor on choroidal vascularity.
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Temel Emine, Aşıkgarip Nazife, Örnek Kemal, Kıvrak Ahmet
Аннотация
PURPOSE: To determine the effect of angiotensin-converting enzyme (ACE) inhibitors on choroidal vascularity using the binarization method in a group of treatment-naïve hypertensive patients.
METHODS: There were 48 treatment-naive hypertensive patients who were diagnosed according to the "2013 European Society of Hypertension/European Society of Cardiology" guideline and started angiotensin-converting enzyme inhibitor perindopril (Coversyl) in the study. As a control group, 48 healthy volunteers were randomly selected among people who attended the outpatient clinic for routine ophthalmological examination. Enhanced-depth imaging optical coherence tomography (EDI-OCT) images were captured at baseline and at 1 month after treatment. Binarization of the EDI-OCT images was performed by Image-J software. The choroidal thickness (CT), total choroidal area, luminal area, stromal area, and choroidal vascularity index (CVI) were measured.
RESULTS: There was a statistically significant increase in CT at all locations (subfoveal, nasal, and temporal) at 1 month after treatment compared with baseline (for all, p˂0.001). Choroidal structural parameters and the mean CVI were statistically significantly increased at 1 month after treatment (for all, p˂0.001). When compared, there was no statistically significant difference for the vascular parameters between the control group and the patient group at 1 month (for all, p>0.05).
CONLUSION: A statistically significant improvement was demonstrated in the choroidal vascular parameters except for the stromal area after treating with an ACE inhibitor in a group of hypertensive patients.
METHODS: There were 48 treatment-naive hypertensive patients who were diagnosed according to the "2013 European Society of Hypertension/European Society of Cardiology" guideline and started angiotensin-converting enzyme inhibitor perindopril (Coversyl) in the study. As a control group, 48 healthy volunteers were randomly selected among people who attended the outpatient clinic for routine ophthalmological examination. Enhanced-depth imaging optical coherence tomography (EDI-OCT) images were captured at baseline and at 1 month after treatment. Binarization of the EDI-OCT images was performed by Image-J software. The choroidal thickness (CT), total choroidal area, luminal area, stromal area, and choroidal vascularity index (CVI) were measured.
RESULTS: There was a statistically significant increase in CT at all locations (subfoveal, nasal, and temporal) at 1 month after treatment compared with baseline (for all, p˂0.001). Choroidal structural parameters and the mean CVI were statistically significantly increased at 1 month after treatment (for all, p˂0.001). When compared, there was no statistically significant difference for the vascular parameters between the control group and the patient group at 1 month (for all, p>0.05).
CONLUSION: A statistically significant improvement was demonstrated in the choroidal vascular parameters except for the stromal area after treating with an ACE inhibitor in a group of hypertensive patients.