ABSORB ランダム化試験からの個々の患者データメタ解析
Ziad A Ali1,2, Runlin Gao3, Takeshi Kimura4
1New York-Presbyterian Hospital/Columbia University Medical Center, New York (Z.A.A., G.W.S.).
Circulation
|November 2, 2017
まとめ
Absorbの生物吸収性血管支架 (BVS) は,3年間にわたってコバルトクロムステントと比較して,標的病変の機能不全と装置の血栓の発生率が高かった. これらのリスクは1年目から3年目には特に高まり,患者の安全性に影響を与えました.
科学分野:
- 心血管医学
- バイオマテリアル科学
- 介入心臓科
背景:
- 植入後3年以内に完全に再吸収できるように設計されています.
- この重要な3年間の期間を通して,BVSの長期的な安全性と有効性のプロフィールは,詳細な特徴づけを必要とした.
研究 の 目的:
- ABSORB試験から得られた個々の患者のデータを集約したメタ分析を行う.
- コバルトクロムエベロリムスのステントと比較して,Absorb BVSの3年間の安全性と有効性を評価する.
主な方法:
- 4つのランダム化されたABSORB試験の個人患者データ統合メタ解析.
- 3389人の冠動脈疾患の患者がランダムにAbsorb BVSまたはコバルト・クロム・エベロリムス放出ステントに割り当てられました.
- 主なアウトカム:標的病変の失敗と装置の血栓形成.
主要な成果:
- BVSは,コバルトクロムステントと比較して,標的病変の失敗率 (11. 7% 対 8. 1%) と装置の血栓症 (2. 4% 対 0. 6%) が高かった.
- ターゲット血管の心筋梗塞とイシュケミアによる再血管化は,BVSの標的病変の失敗に寄与した.
- 標的病変の失敗と装置の血栓形成の割合は,特に1年から3年の間にBVSで高かった.
結論:
- Absorb BVSは,移植後3年間,標的病変の機能不全と装置の血栓形成のリスクを増加させる.
- これらの発見は,特に後の追跡期間において,BVSの潜在的な安全性に関する懸念を浮き彫りにしています.
- コバルトクロムエベロリムス放出ステントと比較すると,1年以上のBVSのリスクプロファイルは好ましくないことが示されています.
関連する概念動画
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