TITLE

Effect of perindopril on physical function in elderly people with functional impairment: a randomized controlled trial

AUTHOR(S)
Sumukadas, Deepa; Witham, Miles D.; Struthers, Allan D.; McMurdo, Marion E. T.
PUB. DATE
October 2007
SOURCE
CMAJ: Canadian Medical Association Journal;10/9/2007, Vol. 177 Issue 8, p867
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: Physical function and exercise capacity decline with age and are a major source of disability in older people. Recent evidence suggests a potential role for the reninangiotensin system in modulating muscle function. We sought to examine the effect of the angiotensin-convertingenzyme (ACE) inhibitor perindopril on physical function in elderly people with functional impairment who had no heart failure or left ventricular systolic dysfunction. Methods: In this double-blind randomized controlled trial, participants aged 65 years and older who had problems with mobility or functional impairment were randomly assigned to receive either perindopril or placebo for 20 weeks. The primary outcome was the change in the 6-minute walking distance over the 20 weeks. Secondary outcomes were changes in muscle function, daily activity levels, self-reported function and health-related quality of life. Results: A total of 130 participants were enrolled in the study (mean age 78.7, standard deviation 7.7 years); 95 completed the trial. At 20 weeks, the mean 6-minute walking distance was significantly improved in the perindopril group relative to the placebo group (mean between-group difference 31.4 m, 95% confidence interval [CI] 10.8 to 51.9 m; p = 0.003). There was a significant impact on health-related quality of life: although the mean score for part 1 of the EQ-5D questionnaire deteriorated over time in the placebo group, quality of life was maintained in the perindopril group, for a betweengroup difference of 0.09 (p = 0.046). There were no significant differences between the 2 groups in the other outcomes. Interpretation: Use of the ACE inhibitor perindopril improved exercise capacity in functionally impaired elderly people who had no heart failure and maintained healthrelated quality of life. The degree of improvement was equivalent to that reported after 6 months of exercise training. (International Standard Randomised Controlled Trial Register no. ISRCTN67679521).
ACCESSION #
26756567

 

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