Early morning home blood pressure control among treated patients with controlled office blood pressure

Hui-Juan Zuo, Xian-Tao Song, Hong-Xia Yang, Li-Qun Deng, Jin-Wen Wang
Journal of Clinical Hypertension 2019, 21 (12): 1823-1830
Elevated morning blood pressure (BP) has a significantly increased risk of cardiovascular events, so morning BP is of substantial clinical importance for the management of hypertension. This study aimed to evaluate early morning BP control and its determines among treated patients with controlled office BP. From May to October 2018, 600 treated patients with office BP < 140/90 mm Hg were recruited from hypertension clinics. Morning BP was measured at home for 7 days. Morning home systolic blood pressure (SBP) increased by an average of 11.5 mm Hg and that morning home diastolic blood pressure (DBP) increased by an average of 5.6 mm Hg compared with office BP. Morning home SBP, DBP, and their moving average were more likely to be lower among patients with a office SBP < 120 mm Hg than among patients with a office SBP ranging from 120 to 129 mm Hg and from 130 to 139 mm Hg (P < .001). A total of 45% of patients had early morning BP < 135/85 mm Hg. The following factors were significantly correlated with morning BP control: male sex, age of <65 years, absence of habitual snoring, no drinking, adequate physical activity, no habit of high salt intake, office BP < 120/80 mm Hg, and combination of a calcium channel blocker (CCB) and angiotensin receptor blocker or angiotensin-converting enzyme inhibitor (ARB/ACEI). Less than half of patients with controlled office BP had controlled morning BP and that positive changes may be related to an office BP < 120/80 mm Hg, combination of a CCB and ACEI/ARB and a series of lifestyle adjustments.

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