シロリムス放出後のステント・レステノシスは,繰り返し皮経介入で治療: 遅期の血管検査および臨床結果
Pedro A Lemos1, Carlos A G van Mieghem, Chourmouzios A Arampatzis
1Erasmus Medical Center, Thoraxcenter, Rotterdam, The Netherlands.
Circulation
|May 19, 2004
まとめ
シロリムス放出ステント (SES) の後のレステノシスの治療は,繰り返し皮膚経介入を繰り返した結果,不適切な結果を示しました. 再発性レステノシスの割合は高く,特に気球の膨張で,改善された戦略の必要性を示しました.
科学分野:
- 心血管の介入 心血管の介入
- 介入性心臓病学 介入性心臓病学
- 医療機器の研究 医療機器の研究
背景:
- シロリムス放出ステント (SES) 植入後のレステノシスは,臨床的な課題です.
- SES後のレステノシスに対する重複した皮膚経介入の結果の評価は,患者の管理において極めて重要です.
研究 の 目的:
- SES 置換後,レステノシスに対する皮膚内干渉を繰り返し受けている患者の臨床および血管検査結果を評価する.
- SES後のレステノシス治療後の再発レステノシスに影響を与える要因を特定する.
主な方法:
- SES後のレステノシス治療を受けた24人の患者 (27人の病変) の遡及的分析.
- 介入には,風船血管新生手術,裸金属ステント,繰り返し薬剤排出ステントの埋め込み (SESとパクリタキセル排出ステント) が含まれていました.
- イベントフリー生存率と再発性レステノシス率を評価するために279日の追跡期間の中央値.
主要な成果:
- レステノーシスの大半 (93%) はステント内でした.
- 薬剤を放出するステントを繰り返し植え付けることは,最も一般的な再介入 (85%) でした.
- 全体的な再発性レステノシス率は42.9%で,イベントフリー生存率は70.8%でした. 高コレステロール血症,早期治療の必要性,および風船血管新生手術は,再発リスクの上昇と関連していました.
結論:
- SES後のレステノシスの治療には,繰り返し皮経介入,特に風船の膨張を施す治療法が,依然として最適ではない.
- デノボ病変に対する薬剤排出ステントの再移植は,よりよい結果 (18.2%の再発率) を示したが,全体的な戦略はさらなる調査と改善を必要としている.
- シロリムス放出ステントの埋め込み後のレステノシスの管理のための治療アプローチを最適化するために,さらなる研究が必要である.
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