まとめ
心拍数制限または症状制限プロトコルのいずれかを用いた心筋梗塞後の早期の運動テストは,運動誘発のSTセグメントうつ病を検出するための同様の結果を示しました. どちらのプロトコルも将来の心臓疾患を予測することはできませんでしたが,不全性反応は予測できました.
科学分野:
- 心臓病学 心臓病学
- 運動生理学 運動生理学
- クリニカル・メディシン 臨床医学
背景:
- 心筋梗塞後の運動テストに関するガイドラインは,患者の管理において極めて重要です.
- 以前の研究では,様々な運動テストプロトコルを調査しましたが,複雑でないイベントの直後の直接比較は限られています.
研究 の 目的:
- 心拍数制限 (HRL) と症状制限 (SXL) の運動テストプロトコルの有効性を比較して,合併症のない心筋梗塞直後の異常を検出する.
- 早期の心臓発作に対する運動誘発的発見の予測価値を評価する.
主な方法:
- 心筋梗塞の3週間後に93人がHRL検査を受け,107人がSXL検査を受けた.
- プロトコルは終了基準 (固定心拍数と症状/限界値の達成) で異なっていた.
- 運動誘発性STセグメントうつ病,心室外皮活動,およびその後の心臓イベントをモニタリングした.
主要な成果:
- HRLとSXLの両方のプロトコルは,運動誘発性STセグメントうつ病と心室外皮活動の類似した流行を明らかにしました.
- SXLプロトコルは,より高いピーク心拍数とワークロードを達成しました.
- 発血性STセグメントの反応は,早期の心臓発作 (15%対3%) を予測したが,不律症はそうではなかった.
結論:
- 症状制限と心拍数制限の運動テストは,不全性STセグメントうつ病と心室外外皮活動が合併症のない心筋梗塞の早期に検出されるのに類似しています.
- 発作後の早期の運動テスト中の性不全性STセグメントの変化は,心室動脈不律よりも将来の心臓イベントの兆候である.
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