心肌活力测试和早期干预对晚期左心室缩功能障碍患者的效果
Khaldoun G Tarakji1, Richard Brunken, Patrick M McCarthy
1Department of Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, OH 44195, USA.
Circulation
|January 5, 2006
概括
在严重的静心性心力衰竭患者中,早期再血管可能会改善存活率. 用氧葡萄糖 (PET/FDG) 成像进行正子发射断层扫描,有助于识别适合这项救命干预的候选人.
科学领域:
- 心脏病学 心脏病学
- 核医学就是核医学.
- 医疗成像医学成像
背景情况:
- 重复血管化的临床益处在严重的静心性心力衰竭仍然不确定.
- 用氧葡萄糖 (FDG) 影像成像的正子发射断层扫描 (PET) 可以确定可以从重血管化中受益的患者.
- 这项研究调查了心力衰竭患者复血管化的生存优势.
研究的目的:
- 为了确定重血管化是否为患有严重心性心力衰竭的患者提供生存优势.
- 评估PET/FDG成像在识别从干预中受益的患者中的作用.
- 分析基于早期心脏干预的生存结果.
主要方法:
- 对765名患有严重缩性心力衰竭 (排泄分数≤35%) 的患者进行了倾向性分析.
- 在1997年至2002年期间,患者接受了PET/FDG成像.
- 早期干预 (6个月内) 与使用倾向匹配的队列的医疗治疗进行了比较.
主要成果:
- 倾向匹配确定了153名接受早期干预的患者和153名没有接受早期干预的患者.
- 早期干预与死亡风险显著降低 (3年死亡率为15%而不是35%).
- 随着早期干预而导致死亡的倾向调整后风险比为0.52 (P=0.0004).
结论:
- 在接受PET/FDG治疗的静心性心力衰竭患者的早期干预可以改善存活率.
- 生存益处似乎独立于PET/FDG检测到的心肌活力程度.
- PET/FDG成像可以帮助选择心力衰竭患者进行可能延长生命的重血管化手术.
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