冠動脈疾患の患者における高強度対中強度の有酸素運動による心血管リスク
Øivind Rognmo1, Trine Moholdt, Hilde Bakken
1Jebsen Center of Exercise In Medicine, Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway. oivind.rognmo@ntnu.no
Circulation
|August 11, 2012
まとめ
高強度運動は,中等強度運動よりも,より大きな心血管上の利点を提供します. 心臓リハビリテーションの患者では,両方の運動タイプが心血管疾患のリスクが低く,高強度インターバルトレーニングが安全な選択肢であることを示唆しています.
科学分野:
- 心臓病学 心臓病学
- 運動生理学 運動生理学
- リハビリテーション医学 リハビリテーション医学
背景:
- 運動の強度が高いと,有酸素能力と心臓の保護が向上する.
- 激しい運動は,感受性の高い個体において,一時的に心臓発作のリスクを増やす可能性があります.
- このリスク認識は,心臓リハビリテーションの戦略に影響を与える可能性があります.
研究 の 目的:
- 冠動脈疾患の患者で,高強度インターバルトレーニング (HIIT) と中等強度トレーニング (MI) の間に心血管疾患のリスクを評価する.
- 心臓リハビリテーションの環境でHIITとMIの安全性プロフィールを比較する.
主な方法:
- ノルウェーの3つの心臓リハビリテーションセンターで4846人の冠動脈疾患患者を対象とした研究です.
- 患者はHIITとMIの両方のトレーニングを受け,合計175,820時間の運動時間を累積しました.
- 心血管疾患 (心停止,心筋梗塞) は,トレーニングセッション中にモニタリングされました.
主要な成果:
- 心筋梗塞の運動中に1回の致命的な心臓発作が起こりました (129,456時間に1回).
- HIIT中に2つの非致命的な心停止が発生しました (23,182時間に1回).
- どちらのトレーニングの強度でも心筋梗塞は記録されていません.
結論:
- 心血管疾患は,心臓リハビリテーションのHIITとMIの両方において稀である.
- HIITは重要な心血管適応を示しており,冠動脈性心疾患の患者に考慮されるべきです.
- この研究は,HIITを心臓リハビリテーションプログラムに組み込む安全性と有効性を支持しています.
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