Abstract
To investigate the electrolyte and water content in peripheral skeletal muscle in patients suffering from severe chronic congestive heart failure, New York Heart Association functional class IV, and to study the influence of the angiotensin-converting enzyme inhibitor, enalapril, 22 patients were randomized in a double-blind study to receive either placebo (n = 11) or enalapril (n = 11) in addition to their conventional treatment. The patients included a subgroup in the previously published CONSENSUS study. At the beginning of the study, the content of potassium and magnesium was significantly reduced in muscle as compared with healthy subjects while sodium and water were increased. The muscle content was not predictable from the serum concentrations of the electrolytes. Following study treatment no significant changes occurred, neither within nor between the two subgroups. Thus, patients with severe chronic congestive heart failure, New York Heart Association functional class IV, displayed disturbed electrolyte and water content in muscle, which, in this study, was not corrected by treatment with enalapril.
Published Version
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