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エンボライズされた左心房付属体の閉塞装置の遅いハイブリッド回収:ケースと文献のレビュー
John P Birrane1, Michael Killian2, Gregory Offiah1
1Department of Cardiology, St James's Hospital, Dublin, Ireland.
JACC. Case reports
|February 12, 2026
まとめ
左心房付属体の閉塞 (LAAO) の後の遅いデバイス栓塞はまれですが,生命を脅かす可能性があります. 組織の内生が完全な皮膚抜きを防ぐ場合,回収のためにハイブリッドの皮膚経外科的アプローチが必要になる可能性があります.
科学分野:
- 心臓病学 心臓病学
- 介入性心臓病学 介入性心臓病学
- 医療機器技術 医療機器技術について
背景:
- 左心房付属体の閉塞 (LAAO) の後のデバイス栓塞は,まれだが深刻な合併症である.
- この合併症は,生命を脅かす出来事に繋がる可能性があります.
研究 の 目的:
- LAAOの後,デバイスのエンボリゼーションが遅れたケースを報告する.
- 重要な組織増殖を伴う器官栓塞の課題と管理について議論する.
- ハイブリッド回収戦略の有用性を強調する.
主な方法:
- 72歳の男性が,AMPLATZER AMULET LAAOの2年後に脳卒中を経験しました.
- CTアンジオグラフィーは,横動脈のアーチにある装置を明らかにしました.
- ONOバスケットシステムを使用した皮膚経由の回収の試みは,組織の増殖のために失敗しました.
- 腹筋動脈への皮膚経抽出を伴うハイブリッドアプローチで,その後,内アオルトトミーによる外科的抽出が行われました.
主要な成果:
- LAAO装置は埋め込みから2年後に栓塞し,脳卒中を引き起こしました.
- 皮膚経由の回収は,広範な組織の組み込みによって妨げられました.
- 腎底下アオルトトミーによる外科的抽出は成功し,骨切除は回避されました.
- 以前の20例の症例のレビューは,18ヶ月まで回復することが示され,ほとんどが皮膚経由であった.
結論:
- LAAOデバイスの遅いエンボリゼーションは,重要な組織増殖とともに起こり,皮膚経由の回収を複雑にします.
- ハイブリッドの皮膚経外科採取は,完全な皮膚経外科採取が失敗した場合に有効で安全な代替手段です.
- このケースは,LAAOデバイスの血栓化の既知の間隔を2年まで延長します.
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