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Treatment of mild hypertension with progressive muscle relaxation
Cottier C, Shapiro K, Julius S
Archives of Internal Medicine 1984 Oct 1;144(10):1954-1958
clinical trial
4/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

Effects of progressive muscle relaxation (PMR) and of attention control were investigated in a prospective randomized trial of borderline or mild hypertensive patients. Both groups received placebo and had the same number of clinic return visits. After 22 weeks the average mean home BP in PMR decreased 3 mmHg, whereas in controls BP increased 2 mmHg. Progressive muscle relaxation had no significant effect on the clinic BP. The response to PMR was not uniform. Responders were characterized by faster heart rates and higher plasma norepinephrine levels. The responders also showed a decrease of anxiety scores during the trial. Progressive muscle relaxation is a time-consuming procedure. Blood pressure responses do not substantially exceed the placebo effects in unselected patients. However, relaxation may be suitable for young, anxious patients with mild hypertension who have a high resting sympathetic tone.

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