Abstract

The choroidal vascularity index (CVI) is a method that measures the density of blood vessels in the choroidal layer and can be used to evaluate the effects of hypertension. In this study we aimed to investigate the relationship between epicardial fat thickness (EFT) and CVI in patients with hypertension. This prospective study included 112 patients diagnosed with hypertension and 120 healthy individuals. Patients' demographic data such as age, gender, weight, height, body mass index (BMI), smoking status, and presence of coronary artery disease and diabetes mellitus were recorded. BMI was calculated by dividing a patient's weight in kilograms by their height in metres squared. EFT was measured by echocardiography and CVI was calculated using the optical coherence tomography method. The mean CVI was found to be 66.57 ± 2.21 in the patient group and 69.22 ± 2.39 in the control group and the difference was significant (p < 0.001). The mean EFT was found to be 5.23 ± 3.25 mm in the patients and 2.57 ± 1.97 mm in the control group and the difference was statistically significant (p = 0.003). According to Spearman's correlation analysis, there was a significant positive correlation between BMI and EFT (r = 0.379, p < 0.001) and a significant negative correlation between CVI and EFT (r = -0.412, p < 0.001). The CVI value was significantly lower and the EFT value was significantly higher in patients with hypertension compared to non-hypertensive patients. There was a significant positive correlation between EFT and BMI and a significant negative correlation between EFT and CVI.

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