使用正子发射断层扫描对冠状动脉复血管化结果的术前预测
R de Silva1, Y Yamamoto, C G Rhodes
1Medical Research Council Cyclotron, Hammersmith Hospital, London, U.K.
Circulation
|December 1, 1992
概括
通过水浸透性组织指数 (PTI) 评估心肌活力,可以预测冠状动脉再血管化后收缩性恢复的前景. 0.7或更高的PTI表明非协同细分市场的成功恢复.
科学领域:
- 心脏病学 心脏病学
- 核医学是一种核医学.
- 医疗成像医学成像
背景情况:
- 传统的心肌活力评估使用[18F]2-二氧化葡萄糖 (FDG) PET检测葡萄糖代谢.
- 可透水组织指数 (PTI) 提供了一种新的方法,通过测量可透水组织比例来评估心肌活力.
研究的目的:
- 评估基于PET的PTI在评估心肌活性的有效性.
- 在接受冠状动脉再血管化的患者中预测收缩性恢复.
主要方法:
- 量化心肌血流 (MBF) 和PTI使用带有15O标记的标记剂的PET.
- 对比PTI和FDG吸收在非协同的细分与心声回声学结果后再血管化.
主要成果:
- 在PTI≥0.7.7的段落中观察到收缩性恢复.
- 恢复段 (0.99 ± 0.15) 的PTI与对照段 (1.10 ± 0.15) 相似.
- 没有恢复的部分具有显著较低的PTI (0.62 ± 0.06).
结论:
- PTI ≥ 0.7 是一个可靠的指标,用于收缩复原后的复苏.
- 在预测区域墙壁运动改善方面,PTI与FDG PET达成了很好的协议.
- PTI显示出作为心肌恢复的有价值预测因素的潜力.
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