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SHR Neuro Cancer Cardio Lipid Metab Microb

Marincowitz, C; Webster, I; Westcott, C; Goswami, N; de Boever, P; Seidel, G; Strijdom, H.
Vascular health assessment with flow-mediated dilatation and retinal image analysis: a pilot study in an adult population from Cape Town.
Cardiovasc J Afr. 2020; 31: 1-8. Doi: 10.5830/CVJA-2020-046 [OPEN ACCESS]
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Co-authors Med Uni Graz: Goswami Nandu; Seidel Gerald
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Abstract:: Flow-mediated dilatation (FMD) and retinal vascular analysis (RVA) may assist in predicting cardiovascular disease (CVD) but are poorly characterised in South Africa. We recorded baseline FMD and retinal vascular widths in healthy participants, and investigated associations with cardiovascular risk factors. Endothelial function (measured with FMD), microvascular structure (evaluated via fundus image analysis) and major CVD risk factors were assessed in 66 participants from Cape Town. Median FMD% was 9.6%, with higher values in females. Mean retinal arteriolar and venular widths were _˜156 and _˜250 µm, respectively. FMD was not associated with CVD risk factors. Hypertension was associated with narrower retinal arterioles and venules. We report novel baseline FMD data in healthy South African adults from the Western Cape, and show that retinal microvascular calibres are associated with blood pressure. Our baseline FMD and RVA data could serve as a reference for future studies in South Africa.
Find related publications in this database (Keywords): vascular health; endothelial function; flow-mediated dilatation; retinal imaging; cardiovascular risk