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Bacterial Phylum Spirochaetes
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バルブ手術が,左側感染性心内膜炎の6ヶ月の死亡率に与える影響
Imad M Tleyjeh1, Hassan M K Ghomrawi, James M Steckelberg
1Division of Infectious Diseases, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, Minn, USA. tleyjeh.imad@mayo.edu
Circulation
|March 21, 2007
まとめ
左側感染症性心内膜炎のバルブ手術は生存効果を示せず,死亡率を増やす可能性がある. 胸内膜炎の管理における外科手術の役割を明確にするために,さらなる見通し研究が必要である.
科学分野:
- 心臓病学 心臓病学
- 感染症 感染症は感染症です.
- 外科手術の結果について
背景:
- 左側感染症性エンドカルディティスには,死亡リスクが非常に高い.
- この状態における弁手術の役割は,ランダム化制御試験による評価が欠けている.
- 本研究では,弁の手術と感染性心内炎患者の死亡率との関連を調査しています.
研究 の 目的:
- バルブ手術と,左側感染症性心内炎患者の6ヶ月の全因死亡率との関連を調べる.
- 選択バイアスと生存者バイアスを含む潜在的なバイアスを調整するために.
- 感染症性内心炎における外科的介入に関する臨床的意思決定のための証拠を提供する.
主な方法:
- 左側感染性エンドカルディチスを持つ546人の患者のコホートを分析した.
- 傾向スコアマッチングは,外科および非外科グループ間の選択バイアスを最小限に抑えるために使用されました.
- 時間依存の共変数と分割分析を含むコックスモデルが死亡リスクの評価に使用されました.
主要な成果:
- バルブ手術は129人の患者 (23.6%) に行われた.
- 初期分析では,手術に関連した6ヶ月の死亡率の潜在的な増加を示した (調整された危険比率1.9).
- 術後の死亡率を調整したところ,弁手術は生存益と関連していなかった (調整された危険比率0.92).
結論:
- 左側感染症性内心炎における弁手術は,生存率の改善と関連していません.
- この処置は,バイアス調整後でも,6ヶ月間の死亡率の増加と関連している可能性があります.
- バルブ手術の最適の役割を決定するために,精密に設計された更なる前向きな研究は,心内膜炎の管理において不可欠です.
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