冠動脈閉塞疾患IIの手術に関するVA共同ランダム化研究. 重要な左側主要病変を有するサブグループ
Circulation
|December 1, 1976
まとめ
左動脈冠動脈疾患の外科治療は,医療管理と比較して,生存率とアンギナ緩和を大幅に改善します. 早期の外科介入は,特に複雑な冠動脈疾患の患者において,最も顕著な生存効果を示しています.
科学分野:
- 心血管外科手術についてです.
- 介入性心臓病学 介入性心臓病学
- クリニック・トライアル 臨床試験
背景:
- 左主冠動脈疾患 (LMCD) は,突然の心臓死と不良心臓イベントの重大なリスクをもたらします.
- LMCDの最適な治療戦略は,心臓血管医学の研究の重要な分野であり続けています.
研究 の 目的:
- LMCDの有意な患者の医療管理と対照的に,外科的再血管化の長期的な有効性を比較する.
- LMCDの異なる治療アプローチに関連した生存率,症状緩和,および手術後の死亡率を評価する.
主な方法:
- LMCDの予備的なランダム化研究から113人の患者のサブグループを分析した.
- ランダムな割り当てで,従来の治療 (53人の患者) または,冠動脈サフェノス静脈バイパス移植 (60人の患者) による外科的治療に割り当てられました.
- 死亡率,アンギナスコア,リスク要因の詳細な記録を含む,最大60ヶ月のフォローアップ.
主要な成果:
- 整体死亡率は,医療グループ (36%) (P <0.06) と比較して,外科グループ (20%) で低かった.
- 外科手術の腕では,手術後の死亡率は時間の経過とともに著しく減少しました.
- 過去3年間にランダムに選択された患者では,手術による治療は24ヶ月で,医療による治療 (29%) (P<0.01) と比べて,生存率 (7%) が著しく高かった.
- 手術による介入は,アンギナ症状の優れた緩和をもたらしました.
結論:
- 冠動脈サフェノス静脈バイパス・グラフトによる外科的治療は,左主冠動脈疾患の有意な患者の医療管理に比べて,生存の有意な利点を提供します.
- 外科介入の利点は,複雑な冠動脈疾患の患者に特に顕著であり,アンギナ症状制御の改善と関連しています.
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