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Open Access 01-12-2024 | Hypertension | Research

CAVI (Cardio-Ankle Vascular Index) as an independent predictor of hypertensive response to exercise

Authors: C. Wuttichaipradit, C. Yodwut, P. Sukhum, K. Hengrussamee, M. Treesong, S. Thiangtham, B. Samut, A. Tunhasiriwet, T. Yingchoncharoen

Published in: BMC Cardiovascular Disorders | Issue 1/2024

Abstract

Objectives

Hypertensive response to exercise (HRE) is related to the development of future hypertension, cardiovascular morbidity, and mortality, independent of resting blood pressure. We hypothesized that arterial stiffness as measured by cardio-ankle vascular index (CAVI) could be an independent predictor of HRE.

Materials and methods

Retrospective chart review of patients participated in the preventive health program at the Bangkok Heart Hospital who underwent both CAVI and treadmill stress testing on the same day between June and December 2018 were performed. Variables for the prediction of HRE were analyzed using univariate analysis, and significant variables were entered into multiple logistic regression. An ROC curve was created to test the sensitivity and specificity of CAVI as a predictor of HRE.

Results

A total of 285 participants (55.1% female) were enrolled in this study. There were 58 patients (20.4%) who met the HRE definition (SBP > 210 mmHg in males, SBP > 190 mmHg in females, or DBP > 110 mmHg in both males and females), with a mean age of 46.4 12.8 years. In univariate analysis, age, systolic blood pressure at rest, diastolic blood pressure at rest, pulse pressure at rest, diabetes mellitus, hypertension, dyslipidemia, history of beta-blocker, and CAVI results were statistically significant. Multiple logistic regression revealed that CAVI and systolic blood pressure were statistically significant predictors of HRE with OR of 5.8, 95%CI: 2.9–11.7, P < 0.001 and OR 1.07, 95%CI: 1.03–1.10, P = 0.001 respectively. ROC curve analysis of the CAVI revealed an AUC of 0.827 (95%CI: 0.76–0.89, p < 0.001), and the sensitivity and specificity of cut-point CAVI > 8 were 53% and 92%, respectively.

Conclusion

This study demonstrated that CAVI is an independent predictor of hypertensive response to exercise. Additionally, the findings suggest that CAVI > 8 can be a valuable tool in identifying individuals at risk for hypertensive responses during exercise.

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Title: CAVI (Cardio-Ankle Vascular Index) as an independent predictor of hypertensive response to exercise
Authors: C. Wuttichaipradit
C. Yodwut
P. Sukhum
K. Hengrussamee
M. Treesong
S. Thiangtham
B. Samut
A. Tunhasiriwet
T. Yingchoncharoen
Publication date: 01-12-2024
Publisher: BioMed Central
Keywords: Hypertension
Hypertension
Published in: BMC Cardiovascular Disorders / Issue 1/2024
Electronic ISSN: 1471-2261
DOI: https://doi.org/10.1186/s12872-024-03807-0

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CAVI (Cardio-Ankle Vascular Index) as an independent predictor of hypertensive response to exercise

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Conclusion

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