肺循環における冷凍保存ホモグラフト弁管の故障
D C Cleveland1, W G Williams, A J Razzouk
1Division of Cardiovascular Surgery, Hospital for Sick Children, Toronto, Ontario, Canada.
Circulation
|November 1, 1992
まとめ
結晶保存ホモグラフトバルブ管は,先天性心疾患の患者の肺循環の再構築のために,長期的な機能が失望しました. 患者の15%で再手術が必要になったのは,主に状狭窄症のためであった.
科学分野:
- 心血管外科手術についてです.
- ペディアトリック・カルディオロジー
- バイオマテリアル科学 バイオマテリアル科学
背景:
- 生まれながらの心臓病は,複雑な外科的介入を必要とする.
- 肺循環の再構築は,外科的管理の重要な側面です.
- この目的のために,冷凍保存ホモグラフトバルブ管が使用されています.
研究 の 目的:
- 冷凍保存ホモグラフトバルブ管の長期的な有効性と結果を評価する.
- 肺循環におけるこれらの管と関連した機能的性能と合併症率を評価する.
主な方法:
- 1985年から1990年の間に心室外弁管置換を受けた219人の患者の遡及的分析.
- 肺移植と大動脈移植の比較.
- 患者の生存率,再手術率,再手術のための徴候のフォローアップ評価.
主要な成果:
- 病院での死亡率は11%で,主に心不全による遅い死亡は14人.
- 病院の生存者の15%は,管道に関連する問題のために再手術を必要とした.
- 再手術の免除率は5年後の55%で,最も一般的な指標は筋狭窄症でした.
結論:
- 肺循環における冷凍保存ホモグラフトバルブ管の長期的機能は最適以下である.
- 狭窄症による再手術の高い割合は,耐久性の制限を示しています.
- 代替再建材料に関するさらなる研究が必要である.
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