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(Hypertension. 2008;52:856.)
© 2008 American Heart Association, Inc.

Original Articles

Changes in Home Versus Clinic Blood Pressure With Antihypertensive Treatments

A Meta-Analysis

Joji Ishikawa; Deirdre J. Carroll; Sujith Kuruvilla; Joseph E. Schwartz; Thomas G. Pickering

From the Center for Behavioral Cardiovascular Health, Department of Medicine (J.I., D.J.C., S.K., J.E.S., T.G.P.), Columbia University Medical Center, New York; and the Department of Psychiatry and Behavioral Science (J.E.S.), Stony Brook University, Stony Brook, NY.

Correspondence to Thomas G. Pickering, MD, DPhil, Center for Behavioral Cardiovascular Health, Division of General Medicine, Department of Medicine, Columbia University Medical Center, 622 West 168th St, New York, NY 10032. E-mail tp2114{at}columbia.edu

Home blood pressure (HBP) monitoring is recommended for assessing the effects of antihypertensive treatment, but it is not clear how the treatment-induced changes in HBP compare with the changes in clinic blood pressure (CBP). We searched PubMed using the terms "home or self-measured blood pressure," and selected articles in which the changes in CBP and HBP (using the upper arm oscillometric method) induced by antihypertensive drugs were presented. We performed a systematic review of 30 articles published before March 2008 that included a total of 6794 subjects. As there was significant heterogeneity in most of the outcomes, a random effects model was used for the meta-analyses. The mean changes (±SE) in CBP and HBP (systolic/diastolic) were –15.2±0.03/–10.3±0.03 mm Hg and –12.2±0.04/–8.0±0.04 mm Hg respectively, although there were wide varieties of differences in the reduction between HBP and CBP. The reductions in CBP were correlated with those of HBP (systolic BP; r=0.66, B=0.48, diastolic BP; r=0.71, B=0.52, P<0.001). In 7 studies that also included 24-hour BP monitoring, the reduction of HBP was greater than that of 24-hour BP in systolic (HBP; –12.6±0.06 mm Hg, 24-hour BP; –11.9±0.04 mm Hg, P<0.001). In 5 studies that included daytime and nighttime systolic BP separately, HBP decreased 15% more than daytime ambulatory BP and 30% more than nighttime ambulatory BP. In conclusion, HBP falls 20% less than CBP with antihypertensive treatments. Daytime systolic BP falls 15% less and nighttime systolic BP falls 30% less than home systolic BP.

Key Words: home blood pressure • self-measured blood pressure • clinic blood pressure • meta-analysis

Related Article:

On Treatment Blood Pressures: Which Can Be Trusted, Home or Clinic?

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Hypertension 2008 52: 795-796. [Extract] [Full Text] [PDF]

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				L. R. Krakoff On Treatment Blood Pressures: Which Can Be Trusted, Home or Clinic? Hypertension, November 1, 2008; 52(5): 795 - 796. [Full Text] [PDF]