運動テストは,冠動脈動脈疾患の患者の血管学的に定義されたサブグループで追加の予後情報を提供します
Circulation
|November 1, 1983
まとめ
最大限の運動テスト中の心臓出力は,冠動脈疾患の患者にとって貴重な予後情報を提供します. この測定は,さまざまな疾患の重症度および左心室機能レベルにおける生存率を有意に予測します.
科学分野:
- 心臓病学 心臓病学
- 運動生理学 運動生理学
- 予知医学とは,予知医学である.
背景:
- 左心室機能と冠動脈疾患の程度は,既知の予後要因である.
- 最大運動テスト中の心臓出力の付加価値は完全に確立されていません.
研究 の 目的:
- 最大運動中の心臓の出力が,予後情報を追加するかどうかを判断する.
- 冠動脈疾患の治療を受けている患者の運動テスト変数の予後値の評価を図る.
主な方法:
- 冠動脈疾患の患者1238人を平均4.5年間追跡した.
- 患者は冠動脈疾患の程度と左心室機能によって分類された.
- 心臓の出力を含む運動変数は測定され,予後的有意性について分析されました.
主要な成果:
- 運動耐性,アンギナのない運動耐性,最大心拍数は,二重血管疾患における予後値を示した.
- 最大限の運動中の心臓出力は,すべての患者グループで生存率を大幅に差異化しました.
- 5年生存率の差異は,心臓の出力レベルに基づいて9%から22%の範囲でした.
結論:
- 最大限の運動中の心臓出力は,冠動脈疾患の患者の生存の強力な独立した予測因子です.
- この非侵襲的な測定は,従来の運動変数を超えて予後精度を高めます.
- 臨床医は,リスクの階層化を改善するために,運動テスト中に心臓の出力を利用することができます.
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