Key result
Cardiac rehabilitation for ADHF improves physical function similarly across all ages, including those ≥90.
Why the study?
Few studies have assessed physical function through multiple measures during hospitalization in patients with acute decompensated heart failure, and the effect of age remains unclear.
Does cardiac rehabilitation improve physical function similarly across different age groups in older patients hospitalized with acute decompensated heart failure?
Observational (n=531)
No
Does cardiac rehabilitation improve physical function similarly across different age groups in older patients hospitalized with acute decompensated heart failure?
p-value: p=0.21
Cardiac rehabilitation during hospitalization for acute decompensated heart failure yields similar improvements in physical function across all age groups ≥60 years, despite lower baseline function in older patients.
Cardiac rehabilitation (CR) improves physical function in patients with acute decompensated heart failure (ADHF) and frailty. However, few studies have assessed physical function through multiple measures during hospitalization; moreover, the effect of age remains unclear. This study aimed to evaluate age-specific changes in physical function during the acute-phase treatment period in patients with ADHF. Patients with ADHF hospitalized between June 2018 and June 2023, who were aged ≥ 60 years and underwent CR, were included in the study. Physical function assessments at admission and discharge included grip strength, quadriceps isometric strength, short physical performance battery (SPPB), gait speed, and frailty. Changes in physical function from admission to discharge were assessed. The mean age of the 531 patients was 79.8 ± 9.0 years and 58% were male. Physical function at admission and discharge significantly decreased with age according to all measures. In patients aged ≥ 90 years, quadriceps isometric strength (0.27 ± 0.11 kgf/BW kg) and the SPPB score (4.5 ± 3.6 points) were severely impaired at admission. However, no significant differences were observed in changes in physical function according to age; the improvement in the SPPB score tended to increase with age (+1.7 ± 1.9, +2.3 ± 2.1, +2.2 ± 2.4, and +2.3 ± 1.8, in the 60-69-, 70-79-, 80-89-, and ≥ 90-year age groups, respectively). The improvement in frailty was similar in all groups. Although physical function declined with age, the changes in physical function were similar in patients with ADHF at any age above 60 years who underwent CR.
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Nakaya et al. (2025) conducted an observational in Acute Decompensated Heart Failure (n=531). Cardiac rehabilitation vs. Comparison across age groups (60-69, 70-79, 80-89, ≥90 years) was evaluated on Change in Short Physical Performance Battery (SPPB) score from admission to discharge (p=0.21). In patients with acute decompensated heart failure undergoing cardiac rehabilitation, improvements in physical function were similar across all age groups, including those aged ≥90 years.
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