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Association Between Postprandial Hypotension Determined by Ambulatory Blood Pressure Monitoring and Falls Among Older Adults With Hypertension Who Are Taking Antihypertensive Medication: Results From the AMBROSIA Study
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DOI：10.1161/HYPERTENSIONAHA.125.25518.png)
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Abstract
En 中文
BACKGROUND:Postprandial hypotension (PPH) may contribute to falls among older adults, particularly those taking antihypertensive medication. However, evidence on this association in community-dwelling populations is limited. Since ambulatory blood pressure (BP) monitoring captures BP during daily activities, it may provide accurate assessments of PPH outside the clinic setting.METHODS:This prospective cohort study examined the association between PPH and fall risk among community-dwelling adults aged >= 65 years taking antihypertensive medication. At baseline, participants underwent 24-hour ambulatory BP monitoring; subsequently, they completed monthly fall calendars during a 12-month follow-up. PPH by systolic BP (SBP; systolic PPH) was defined as a postprandial SBP decline, mean SBP during the hour before the meal minus the minimum SBP during the 2 hours after the meal, following any meal of >= 20 mm Hg, or a decrease to SBP <= 90 mm Hg when preprandial SBP was >= 100 mm Hg.RESULTS:Among 626 participants (mean +/- SD age, 74.6 +/- 6.2 years; 56.1% women), 442 (70.6%) experienced systolic PPH. The mean +/- SD number of meals was 2.6 +/- 0.8 during the ambulatory BP monitoring period. During the 12-month follow-up, falls occurred in 169 of 442 (38.2%) participants with systolic PPH and 70 of 184 (38.0%) participants without systolic PPH. Systolic PPH was not associated with fall risk (adjusted hazard ratio, 0.93 [95% CI, 0.69-1.26]). A restricted cubic spline analysis demonstrated no evidence of an association between the largest postprandial SBP decline across all meals and fall risk.CONCLUSIONS:In this cohort study, PPH identified by ambulatory BP monitoring was common but not associated with risk of falls.
Keywords:
aged
blood pressure
humans
hypotension
meals
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