Mean arterial pressure estimated by brachial pulse wave analysis and comparison with currently used algorithms.

Journal of Hypertension
Andrea GrilloGianfranco Parati

Abstract

Mean arterial pressure (MAP) is usually calculated by adding one-third of pulse pressure (PP) to DBP. This formula assumes that the average value of pulse waveform is constant in all individuals and coincides with 33.3% of PP amplitude (MAP = DBP + PP × 0.333). Other formulas were lately proposed to improve the MAP estimation, adding to DBP an established percentage of PP: MAP = DBP + PP × 0.40; MAP = DBP + PP × 0.412; MAP = DBP + PP × 0.333 + 5 mmHg. The current study evaluated the integral of brachial pulse waveform recorded by applanation tonometry in 1526 patients belonging to three distinct cohorts: normotensive or hypertensive elderly, hypertensive adults, and normotensive adults. The percentage of PP to be added to DBP to obtain MAP was extremely variable among individuals, ranging from 23 to 58% (mean: 42.2 ± 5.5%), higher in women (42.9 ± 5.6%) than men (41.2 ± 5.1%, P < 0.001), lower in the elderly cohort (40.9 ± 5.3%) than in the general population cohort (42.8 ± 6.0%, P < 0.001) and in the hypertensive patients (42.4 ± 4.8%, P < 0.001). This percentage was significantly associated with DBP (β = 0.357, P < 0.001) and sex (β = 0.203, P < 0.001) and significantly increased after mental stress test in 19 healthy volunte...Continue Reading

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May 28, 2019·Hypertension·Paolo SalviGianfranco Parati

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Citations

Jun 22, 2021·Frontiers in Cardiovascular Medicine·Menghui LiuXiaodong Zhuang
Aug 3, 2021·Nutrition, Metabolism, and Cardiovascular Diseases : NMCD·Giacomo PucciGaetano Vaudo
Sep 2, 2021·Journal of the American Heart Association·Paolo SalviGianfranco Parati

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