An 8-week circuit weight training program significantly increased peak exercise oxygen uptake (22.0 vs. 19.5 ml/kg/min, P<0.01) and muscular strength in patients with chronic heart failure.
RCT (n=13)
Crossover
Absolute Event Rate: 22% vs 19.5%
p-value: p=<0.01
This study examined the effect of a novel circuit weight training (CWT) program on cardiorespiratory fitness, muscular strength, and body composition in 13 patients with chronic heart failure (CHF), using a prospective randomized crossover protocol. Peak exercise oxygen uptake (VO(2 peak)) increased after the 8-wk CWT program (19. 5 +/- 1.2 vs. 22.0 +/- 1.5 ml. kg(-1). min(-1), P < 0.01), as did exercise test duration (15.2 +/- 0.9 vs. 18.0 +/- 1.1 min, P < 0. 001). Submaximal exercise heart rate was lower after training at 60 and 80 W (121 +/- 3 vs. 134 +/- 5 beats/min, P < 0.01) as was rate pressure product, whereas ventilatory threshold increased, from 52 +/- 3 to 58 +/- 3% of VO(2 peak) (P < 0.05). CWT also increased maximal isotonic voluntary contractile strength for seven different muscle groups, from 392 to 462 kg (P = 0.001). CWT, an exercise prescription specifically targeting peripheral abnormalities in CHF, improves functional capacity and muscular strength in these patients.
Maiorana et al. (Mon,) conducted a rct in Chronic heart failure (CHF) (n=13). Circuit weight training (CWT) program vs. Control/baseline was evaluated on Peak exercise oxygen uptake (VO2 peak) (p=<0.01). An 8-week circuit weight training program significantly increased peak exercise oxygen uptake (22.0 vs. 19.5 ml/kg/min, P<0.01) and muscular strength in patients with chronic heart failure.