Effects of Acute Phase Intensive Exercise Training in Patients With Acute Decompensated Heart Failure
Kentaro Kamiya1, Shinya Tanaka2, Hiroshi Saito3
1Department of Rehabilitation, School of Allied Health Sciences, Kitasato University, Kanagawa, Japan; Department of Rehabilitation Sciences, Graduate School of Medical Sciences, Kitasato University, Sagamihara, Japan.
Background:
Acute decompensated heart failure (ADHF) leads to hospitalizations and functional decline in older adults. Although cardiac rehabilitation (CR) is effective for stable heart failure, its impact on ADHF patients, particularly those without frailty, is unclear.
Objectives:
The goal of this study was to evaluate the efficacy and safety of early in-hospital CR for patients hospitalized with ADHF who are not frail.
Methods:
In this multicenter trial (ACTIVE-ADHF [Effects of Acute Phase Intensive Exercise Training in Patients with Acute Decompensated Heart Failure]), ADHF patients without physical frailty were randomized 2:1 to undergo either exercise-based CR or standard care. The intervention included early mobilization and structured exercise training. The primary outcome was the change in 6-minute walk distance (6MWD) from baseline to discharge. Secondary outcomes assessed physical and cognitive function, quality of life, and safety.
Results:
A total of 91 patients were randomized to treatment, with 59 allocated to the intervention group and 32 to the control group. The primary outcome, 6MWD, improved significantly more in the intervention group, with a mean increase of 75.0 ± 7.8 m vs 44.1 ± 10.2 m in the control group, with an effect size of 30.9 ± 13.1 m (95% CI: 4.8-57.0; P = 0.021). The intervention group showed favorable results in secondary efficacy outcomes, including physical and cognitive function, physical activity, and quality of life. Safety outcomes were similar between groups, except for a greater reduction in B-type natriuretic peptide levels at 90 days' postdischarge in the intervention group.
Conclusions:
In patients with ADHF without physical frailty, in-hospital exercise-based CR led to significant improvements in 6MWD at 2 weeks after randomization without compromising safety. (ACTIVE-ADHF [Effects of Acute Phase Intensive Exercise Training in Patients with Acute Decompensated Heart Failure]; UMIN000020919).
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