PMID: 9420639Mar 1, 1995Paper

Coenzyme Q10 as an adjunctive in the treatment of chronic congestive heart failure. The Q10 Study Group

Journal of Cardiac Failure
C Hofman-BangH Aström

Abstract

Seventy-nine patients with stable chronic congestive heart failure were randomized into a double-blind, crossover placebo controlled study with 3-month treatment periods, where either 100 mg coenzyme Q10 (CoQ10) or placebo was added to conventional therapy. Mean patient age was 61 +/- 10 years, ejection fraction at rest was 22% +/- 10%, and maximal exercise tolerance was 91 +/- 30 W. The follow-up examinations included ejection fraction (primary objective), exercise test, and quality of life questions. Ejection fraction at rest, during a slight volume load, and during a submaximal supine exercise increased slightly compared with placebo: 24% +/- 12% versus 23% +/- 12% (NS), 25% +/- 13% versus 23% +/- 12% (P < .05), and 23% +/- 11% versus 22% +/- 11% (NS). Maximal exercise capacity increased from 94 +/- 31 W during the placebo period to 100 +/- 34 W during the CoQ10 period (P < .05). Total score for the quality of life assessment increased significantly from 107 +/- 23 during the placebo period to 113 +/- 22 during the CoQ10 period (P < .05). The results indicate that oral long-term treatment with 100 mg CoQ10 in patients with congestive heart failure only slightly improves maximal exercise capacity and the quality of life and t...Continue Reading

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