多血管性冠動脈疾患 (FAME) の患者におけるPCIの指針として,断片流量予備と血管図の比較:ランダム化制御試験の5年間の追跡調査
Lokien X van Nunen1, Frederik M Zimmermann1, Pim A L Tonino1
1Department of Cardiology, Catharina Hospital Eindhoven, Eindhoven, Netherlands; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands.
Lancet (London, England)
|September 4, 2015
まとめ
多血管性冠動脈疾患の患者では,断片流量準備 (FFR) による経皮冠動脈介入 (PCI) は,血管図によるPCIと比較して,長期間,安全性と効果が類似していることが示された. FFRによるPCIは ステントとリソースを少なく使いました
科学分野:
- 心血管医学
- 介入心臓科
- 医療機器
背景:
- FAME研究では,血管図によるPCIと対比して,FFRによるPCIで2年までの改善が示されました.
- これらの効果の長期的な持続性は不明でした.
研究 の 目的:
- 多血管性冠動脈疾患の患者における血管図によるPCIと比較して,FFRによるPCIの5年間の臨床結果を評価する.
主な方法:
- 多中心治験では,多血管冠動脈疾患の患者1005人を無作為に,血管図によるまたはFFRによるPCIに割り当てました.
- FFRによるPCIは,FFRが0. 80未満の病変にのみPCIを行うことを含みます.
- 主要エンドポイントは,1年後の主要な心疾患であり,5年後の追跡データも報告された.
主要な成果:
- 5年後には,血管図による治療群の31%で,FFRによる治療群の28%で重大な心疾患が発生した (p=0. 31).
- FFRガイドグループでは,患者1人当たりのステントが著しく少なくなった (1. 9 vs 2. 7, p< 0. 0001).
結論:
- FFRによるPCIは,多血管性冠動脈疾患に対して安全で長期的に有効です.
- 最初の利益は2年後に観察され,リスクは5年後にグループ間で収束した.
- FFRのガイドラインは,ステントの設置と資源の利用を削減し,医療の標準としての役割をサポートします.
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