Key result
Pulse wave velocity measurement showed excellent reproducibility over 4 weeks (ICC 0.851; 95% CI 0.773-0.903), though changes in blood pressure significantly affected values (P<0.001).
Why the study?
Repeatability and reproducibility of PWV in relation to influencing factors have not yet been determined.
Do hemodynamics and sodium excretion impact the repeatability and reproducibility of pulse wave velocity in stable hypertensive patients?
Observational (n=74)
Do hemodynamics and sodium excretion impact the repeatability and reproducibility of pulse wave velocity in stable hypertensive patients?
Effect estimate: ICC 0.851 (95% CI 0.773-0.903)
While pulse wave velocity shows excellent short-term repeatability, its medium-term reproducibility is significantly affected by changes in blood pressure and heart rate, indicating that measurements should be taken under stabilized hemodynamic conditions.
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PWV requires hemodynamic stability for reliable use in hypertension; supports protocol standardization in future studies.
Kubalski et al. (2020) conducted an observational in hypertension (n=74). Pulse wave velocity measurement was evaluated on Reproducibility of PWV between visits (Intraclass correlation coefficient) (ICC 0.851, 95% CI 0.773-0.903). Pulse wave velocity measurement showed excellent reproducibility over 4 weeks (ICC 0.851; 95% CI 0.773-0.903), though changes in blood pressure significantly affected values (P<0.001).
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