Reproducibility of Morning Blood Pressure Surge and Its Relation to Blood Pressure Reactivity

Author: Wang Mei-Yeh   Huang Chun-Jen   Chang Nei-Chung   Tsai Pei-Shan  

Publisher: Informa Healthcare

ISSN: 1064-1963

Source: Clinical and Experimental Hypertension, Vol.29, Iss.6, 2007-08, pp. : 357-368

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Abstract

This study examined the stability of the morning blood pressure surge (MBPS) and its relation to blood pressure (BP) reactivity in untreated hypertensives. Thirty-six participants completed a stress task at baseline. Ambulatory BP monitoring was carried out three times on a weekday. The MBPS demonstrated small reproducibility and large coefficient of variation. The MBPS correlated with nighttime BP (p = 0.001) but not morning BP or BP reactivity. Dippers had greater MBPS than did nondippers (p < 0.05). The MBPS provides distinct information that is different from the BP response to mental stress.

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