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Randomized Controlled Trial
. 2017 Jan:183:85-90.
doi: 10.1016/j.ahj.2016.10.011. Epub 2016 Oct 20.

Effects of exercise and stress management training on nighttime blood pressure dipping in patients with coronary heart disease: A randomized, controlled trial

Andrew Sherwood  1 , Patrick J Smith  2 , Alan L Hinderliter  3 , Anastasia Georgiades  2 , James A Blumenthal  2
Affiliations
Randomized Controlled Trial

Effects of exercise and stress management training on nighttime blood pressure dipping in patients with coronary heart disease: A randomized, controlled trial

Andrew Sherwood et al. Am Heart J. 2017 Jan.

Abstract

Introduction: Blunted nighttime blood pressure (BP) dipping is prognostic of cardiovascular morbidity and mortality. Patients with coronary heart disease (CHD) are often characterized by a blunted nighttime BP dipping pattern. The present study compared the effects of 2 behavioral intervention programs, aerobic exercise (EX) and stress management (SM) training, with a usual care (UC) control group on BP dipping in a sample of CHD patients.

Methods: This was a secondary analysis of a randomized, controlled trial with allocation concealment and blinded outcome assessment in 134 patients with stable CHD and exercise-induced myocardial ischemia. Nighttime BP dipping was assessed by 24-hour ambulatory BP monitoring, at prerandomization baseline and after 16 weeks of one of the following treatments: usual medical care; UC plus supervised aerobic EX for 35 minutes, 3 times per week; UC plus weekly 1.5-hour sessions of SM training.

Results: The EX and SM groups exhibited greater improvements in systolic BP dipping (P=.052) and diastolic BP dipping (P=.031) compared with UC. Postintervention systolic BP percent-dipping means were 12.9% (SE=1.5) for SM, 11.1% (SE=1.4) for EX, and 8.6% (SE=1.4) for UC. Postintervention diastolic BP percent-dipping means were 13.3% (SE=1.9) for SM, 14.1% (SE=1.8) for EX, and 8.8% (1.8) for UC.

Conclusions: For patients with stable CHD, EX or SM training resulted in improved nighttime BP dipping compared with usual medical care. These favorable effects of healthy lifestyle modifications may help reduce the risk of adverse clinical events.

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Conflict of interest statement

Conflict(s) of Interest Statement: None

Figures

Figure 1
Figure 1
Flow of participants from initial recruitment to end of treatment. SM = Stress Management training; EX = Exercise training; UC = Usual Care; ITT = intention-to-treat.
Figure 2
Figure 2
Post-intervention nighttime systolic (SBP) and diastolic (DBP blood pressure dipping (%) following 16 weeks of Exercise (EX) training, Stress Management (SM) training, and Usual Care (UC).
See this image and copyright information in PMC

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