機能性不全性ミトラル吐が修復された後,三管吐の進行
Akira Matsunaga1, Carlos M G Duran
1The International Heart Institute of Montana Foundation, Saint Patrick Hospital and Health Sciences Center, University of Montana, Missoula, Montana, USA.
Circulation
|September 15, 2005
まとめ
機能的三管吐症 (TR) は,不全性ミトラル吐症 (MR) のミトラル弁修復 (MVRep) 後にしばしば持続または発症します. トリコスピッドアヌルスの大きさは,TRの遅い発達を予測する可能性があります.
科学分野:
- 心臓病学 心臓病学
- 心臓外科手術について
- エコーカルディオグラフィー エコーカルディオグラフィー
背景:
- 機能的三回転 (TR) は,左側心 lesions の外科的矯正後に持続するか,または de novo に発生する可能性があります.
- 機能性不全性ミトラル反吐 (MR) に対するミトラル弁修復 (MVRep) は一般的な処置です.
研究 の 目的:
- 機能性不全性MRのMVRepを受ける患者におけるTRの発生率と進行を分析する.
- MVRep後の遅いTR開発の予測要因を特定する.
主な方法:
- 機能性不全性MRに対するMVPrepを受けた124人の患者の遡及的分析.
- 術前およびフォローアップのトランストラシックエコーカルディオグラフィーで,MRとTRの重症度を評価します.
- TRの発達と関連した三円の大きさの分析.
主要な成果:
- 30%の患者は,既にあるTRを持っていたが,9人だけがそれを修復した.
- 術後のTR発症率は,三弁が修復されたか無視されたかに関わらず,類似していました.
- 最後のフォローアップで有意なTRは49%に存在し,時間の経過とともに増加しました.
- 術前および術後のトリキュスピッドアヌルスの大きさは,TR.の末期と相関しています.
結論:
- 機能性TRは,機能性不全性MRの患者に多く見られる.
- 患者の約50%がMVPrep後にTRを発症し,発症率は時間とともに増加します.
- 術前トリコスピッドアヌルスの膨張は,遅いTRの潜在的予測因子です.
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