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Extent of, and variables associated with, blood pressure variability among older subjects. | LitMetric

Extent of, and variables associated with, blood pressure variability among older subjects.

Aging Clin Exp Res

Department of Geriatric, Città della Salute e della Scienza-Molinette Torino, Corso Bramante 88, Turin, Italy.

Published: November 2018

AI Article Synopsis

Article Abstract

Background: Blood pressure variability (BPV) may have prognostic implications for cardiovascular risk and cognitive decline; however, BPV has yet to be studied in old and very old people.

Aims: Aim of the present study was to evaluate the extent of BPV and to identify variables associated with BPV among older subjects.

Methods: A retrospective study of patients aged ≥ 65 years who underwent 24-h ambulatory blood pressure monitoring (ABPM) was carried out. Three different BPV indexes were calculated for systolic and diastolic blood pressure (SBP and DBP): standard deviation (SD), coefficient of variation (CV), and average real variability (ARV). Demographic variables and use of antihypertensive medications were considered.

Results: The study included 738 patients. Mean age was 74.8 ± 6.8 years. Mean SBP and DBP SD were 20.5 ± 4.4 and 14.6 ± 3.4 mmHg. Mean SBP and DBP CV were 16 ± 3 and 20 ± 5%. Mean SBP and DBP ARV were 15.7 ± 3.9 and 11.8 ± 3.6 mmHg. At multivariate analysis older age, female sex and uncontrolled mean blood pressure were associated with both systolic and diastolic BPV indexes. The use of calcium channel blockers and alpha-adrenergic antagonists was associated with lower systolic and diastolic BPV indexes, respectively.

Conclusions: Among elderly subjects undergoing 24-h ABPM, we observed remarkably high indexes of BPV, which were associated with older age, female sex, and uncontrolled blood pressure values.

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http://dx.doi.org/10.1007/s40520-018-0917-xDOI Listing

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