安定したおよび不安定な胸痛を有する患者の冠動脈ステントを設置する際にフィルター装置による遠隔保護
Annalisa Angelini1, Paolo Rubartelli, Flavio Mistrorigo
1Department of Pathology, University of Padua Medical School, Via A. Gabelli, 61, 35121 Padua, Italy.
Circulation
|July 28, 2004
まとめ
経皮冠動脈介入 (PCI) 中のフィルター保護は,エンボリック・デブリを効果的に捕捉します. 不安定なアンギナと高齢は,より大きな粒子のサイズを予測し,高リスクの患者でデバイスの使用をサポートします.
科学分野:
- 心血管医学は,心臓血管医学である.
- 介入性心臓病学 介入性心臓病学
- バイオメディカルエンジニアリング
背景:
- ディスタル栓塞は,皮膚経冠動脈介入 (PCI) 中のリスクです.
- このリスクを軽減するために,フィルター保護装置が用意されています.
- 血栓破片の特徴を理解することは,PCIの結果を最適化するために極めて重要です.
研究 の 目的:
- 本来の冠動脈にステントを挿入する際に微小栓塞を評価するために.
- Angioguardフィルターによって捕獲されたゴミの量と特性を評価する.
- 血栓性粒子の大きさの臨床的および血管学的予測要因を特定する.
主な方法:
- 39人の冠動脈病変の患者は,保護フィルターで選択的にステントを挿入した.
- フィルターによって収集された破片は,サイズと特性を分析しました.
- 臨床的および血管学的データは,病理学的発見と相関していた.
主要な成果:
- 破片はフィルターの75.6%に存在し,粒子の大きさは47〜2503マイクロメートルでした.
- 300マイクロメートル以上の粒子は,破片を含むフィルターの85.7%で発見されました.
- 不安定性アンギナと67歳以上の年齢は,より大きな栓塞粒子の大きさの独立した予測因子 (P<0.05) であった.
結論:
- フィルター保護装置は,PCI中に栓塞を制限することができます.
- これらの器具は,不安定なアンギナや高齢者を含む,高リスクの患者に特に有益です.
- 栓塞性イベントの減少は,PCI後の患者のアウトカムを改善する可能性があります.
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