Key result
Low daily activity in ICD/CRT patients is linked to a ~72% three-year major event rate.
Why the study?
Does low device-measured physical activity predict heart failure hospitalization and mortality in patients with ICD/CRT implants?
Observational (n=106)
No
Does low device-measured physical activity predict heart failure hospitalization and mortality in patients with ICD/CRT implants?
Absolute Event Rate: 71.6% vs 13.7%
p-value: p=<0.0001
Device-monitored low physical activity (<2 hours/day) in ICD/CRT patients is strongly associated with increased risk of heart failure hospitalization and all-cause mortality, highlighting the importance of cardiac rehabilitation.
May warrant closer monitoring in low-activity ICD/CRT patients; leaves open whether activity interventions improve outcomes.
植込み型除細動器（icd）や両心室ペーシングデバイス（crt）植込み後の患者の多くは低左心機能で心不全合併患者が多く，フレイルの進行や心不全悪化に注意しながら心臓リハビリテーションを行う必要がある．デバイスに備わっているモニタリング機能を用いることによって患者の活動量や心不全の悪化兆候を評価することも可能であり，これらをうまく活用しつつ安全な運動療法を導入し，継続していくことが重要である．また，icdやcrt植込み後の患者においては，運動療法時のデバイス設定を調整しなくては運動耐用能の改善が得られないケースもあり，担当医との情報共有も行いながら最適な運動処方を行う必要がある．
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Yokomatsu et al. (2023) conducted an observational in ICD/CRT implanted patients (n=106). Low patient activity (< 2 hours/day) vs. Normal patient activity (≥ 2 hours/day) was evaluated on Composite of all-cause mortality and heart failure hospitalization at 3 years (p=<0.0001).
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