新しい胆葉メカニカルバルブのチラシの脱出:TRI技術
Tomaso Bottio1, Dino Casarotto, Gaetano Thiene
1Department of Cardiovascular Surgery, University of Padua Medical School, Via A. Gabelli, 61, 35121 Padova, Italy.
Circulation
|May 7, 2003
まとめ
リーフレット脱出によるメカニカルハートバルブ不全は,TRI Technologiesの義肢を投与された2人の患者で発生しました. この構造弁の故障は,パンフレット骨折によって引き起こされ,インプラントプログラムの停止につながった.
科学分野:
- 心血管外科手術についてです.
- バイオメディカルエンジニアリング
- マテリアルサイエンス 材料科学
背景:
- リーフレットエスケープは,機械的な心臓弁の構造障害の重要なモードです.
- 以前の報告では,様々な機械式バルブ設計におけるこの合併症を記録しました.
- この研究では,TRI Technologiesのバルブ義肢による2つのリーフレット脱出の事例を詳細に説明しています.
研究 の 目的:
- TRI Technologiesのバルブ義肢を装着した患者における2件のリーフレット脱出の発生を報告し,分析する.
- これらの特定の装置における構造弁の故障の原因を調査する.
- TRI Technologiesのバルブ義肢の継続的な使用への影響を評価する.
主な方法:
- TRI Technologiesの弁義肢を受けた患者の遡及的分析.
- 患者の人口統計,手術手順,結果を含む臨床データのレビュー.
- 破損のメカニズムを特定するために,拡張した義肢の検査.
主要な成果:
- 2000年11月から2002年2月までの間に,TRI Technologiesの弁義肢36個が34人の患者に埋め込まれました.
- 2人の患者は,レフレット・ピボティング・システムの骨折により,壊滅的な義肢のレフレット・エスケープを経験しました.
- 1人の患者は手術後に死亡し,もう1人は緊急再手術を必要とした.
結論:
- 観察された構造弁の故障は,TRI Technologiesの弁義肢の耐久性について重大な懸念を引き起こします.
- 失敗のリスクが高いため,インプラントプログラムが中断されました.
- これらの義肢の設計と製造に関するさらなる調査が必要である.
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