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Letter to the Editor| Volume 145, ISSUE 3, P526-528, December 03, 2010

The effect of aerobic versus resistance exercise training on peak cardiac power output and physical functional capacity in patients with chronic heart failure

      Both aerobic and resistance exercise training may improve exercise tolerance in patients with chronic heart failure (CHF). To date, only a few studies have reported the central haemodynamic response to aerobic exercise training in CHF patients [
      • Mezzani A.
      • Corra U.
      • Giannuzzi P.
      Central adaptations to exercise training in patients with chronic heart failure.
      ]. None of these investigations, however, assessed the effect of exercise training on the power generating capacity of the heart in chronic CHF patients. Peak cardiac power output, as a direct indicator of overall cardiac function [
      • Cotter G.
      • Williams S.G.
      • Vered Z.
      • Tan L.B.
      Role of cardiac power in heart failure.
      ] and cardiac pumping ability [
      • Tan L.B.
      Cardiac pumping capability and prognosis in heart failure.
      ], has been shown to be a most powerful predictor of prognosis and mortality in patients with CHF [
      • Williams S.G.
      • Cooke G.A.
      • Wright D.J.
      • et al.
      Peak exercise cardiac power output: a indicator of cardiac function strongly predictive of prognosis in chronic heart failure.
      ]. To date, the effect of aerobic or resistance exercise training on cardiac power output has not been evaluated in CHF patients. The present study aimed to provide further evidence for the use of exercise as a clinical therapy in CHF patients. Specifically, the present study assessed the effect of aerobic and resistance exercise training on cardiac power output and physical functional capacity in patients with CHF.

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