Prehypertension is associated with peripheral arterial disease and low ankle-brachial index

Indian Heart Journal
Alberto Francisco Rubio-GuerraHerlinda Morales-López

Abstract

Patients with prehypertension suffer endothelial dysfunction and are at increased cardiovascular risk. Ankle-brachial index (ABI) constitutes an efficient tool for diagnosing peripheral arterial disease; but also an ABI<0.9 is an independent and positive predictor of endothelial dysfunction and is associated with increased cardiovascular risk and mortality. of this study was testing whether ABI was decreased in prehypertensive patients when compared with normotensive subjects. We included 70 prehypertensive patients older than 19 years, in whom the ABI was registered with a 5 megahertz Doppler (Summit Doppler L250, Life Dop., USA). The highest ankle systolic pressure was divided by the highest brachial systolic pressure. We also included 70 normotensive subjects in whom the ABI was registered in the same way. The measurements were performed by the same physician who was blinded about the study. Statistical analysis was performed with odds ratio and student t-test. The ABI values in normotensive subjects were 1.023±0.21, whereas prehypertensive patients significantly had lower ABI (0.90±0.14p=0.00012). We found ABI <0.9 in 30 prehypertensive patients (42.85%) and 13 normotensive patients (18.5%). The odds ratio of ABI <0.90 in p...Continue Reading

Citations

Jun 25, 2020·Revista da Associação Médica Brasileira·Saulo Henrique Salgueiro de AquinoFrancisco de Assis Costa

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