Key result
12 weeks of exercise training in patients with heart failure significantly increased the heart rate variability parameter SDNN from 117.3 ms to 128.6 ms (P=0.028).
Why the study?
Does 12 weeks of exercise training improve heart rate variability in patients with congestive heart failure?
Does 12 weeks of exercise training improve heart rate variability in patients with congestive heart failure?
Absolute Event Rate: 128.6% vs 117.3%
p-value: p=0.028
A 12-week exercise training program in patients with heart failure improves heart rate variability and exercise capacity, with improvements in HRV potentially linked to better long-term survival.
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Exercise may enhance autonomic function in HF; hypothesis-generating pending randomized outcome trials.
Larsen et al. (2004) studied Congestive heart failure (CHF) (n=12). Exercise training vs. Baseline was evaluated on Standard deviation normal to normal (SDNN) (p=0.028). 12 weeks of exercise training in patients with heart failure significantly increased the heart rate variability parameter SDNN from 117.3 ms to 128.6 ms (P=0.028).
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