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急性逆行型A型大動脈解剖の結果は,下降性大動脈の入口裂け目によるものです
Joon Bum Kim1, Suk Jung Choo2, Wan Kee Kim1
1From the Deparment of Thoracic and Cardiovascular Surgery (J.B.K., S.J.C., W.K.K., H.J.K., S.-H.J., C.H.C., J.W.L.) and Division of Cardiology (J.-K.S.), Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
Circulation
|September 10, 2014
まとめ
昇動性大動脈への逆行的な拡張による急性大動脈解剖の最適な管理は不明である. 初期医療管理は,逆行性A型大動脈解剖の選択された患者の長期的な生存を有望に示しています.
科学分野:
- 心血管外科手術についてです.
- 胸部外科手術について
- 血管外科 血管外科
背景:
- 急性大動脈解剖 (AD) の最適な管理戦略は,下降大動脈から上昇大動脈への逆行拡張が未定です.
- 逆行型A型ADは,治療計画と患者のアウトカムにおいてユニークな課題を提示しています.
- 予後要因を理解することは,治療決定を導くために極めて重要です.
研究 の 目的:
- 急性逆行性A型大動脈解剖の医療対外科的管理の結果を評価する.
- 異なる治療戦略の間の長期生存率と大動脈イベントフリー生存率を比較する.
- 逆行性ADの患者で好ましい予後を予測する予測要因を特定する.
主な方法:
- 急性ADと上昇大動脈への逆行的な拡張を有する49人の患者の遡及的分析 (1999-2011).
- 患者は,臨床的安定性および偽ルメンの血栓形成に基づいて,治療 (MEDグループ,n=16) と手術 (SURGグループ,n=33) とに分けられました.
- 治療の意図の原則が適用され,すべての患者のフォローアップは完了しました.
主要な成果:
- 早期死亡率は,MEDグループでは0%,SURGグループでは9.1% (P=0.54) でした.
- 5年間の生存率は,MEDグループ (100%) で,SURGグループ (81.2±7.0%),A型AD (74.5±2.8%),B型AD (75.3±3.3%) と比較して高かった.
- 5年間の大動脈イベントフリー生存率は,MED (52.7±14.8%) とSURG (69.6±8.0%) グループ (P=0.98) の間で比較可能でした.
結論:
- 急性逆行型A型ADの患者は,前進行型ADの患者よりもより好ましい予後を示しています.
- 初期医療管理は,必要に応じて適時介入と組み合わせて,逆行型A型ADの選択された患者で優れた結果を達成することができます.
- この研究は,特定の逆行性AD症例において,保守的な管理が実行可能な選択肢である可能性があることを示唆しています.
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