心肌炎炎症对定量心肌输液的长期影响 - - 一项描述性PET/MR心肌炎研究
Ronny R Buechel1, Domenico Ciancone2, Adam Bakula2
1Department of Nuclear Medicine, Cardiac Imaging, University and University Hospital Zurich, Ramistrasse 100, NUK A 12, 8091, Zurich, Switzerland. ronny.buechel@usz.ch.
概括
心肌炎引起的心肌炎的炎症可能会导致心肌血流 (MBF) 和流量储量的持久变化,即使在愈合后也可以通过正电子发射断层扫描 (PET-MPI) 检测到心肌 perfusion 图像.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 核医学是一种核医学.
背景情况:
- 心肌炎炎症对心肌血流 (MBF) 的长期影响尚未完全理解.
- 评估这些后遗症对于了解心肌炎后的心脏功能至关重要.
研究的目的:
- 评估先前心肌炎炎症对定量MBF参数的影响.
- 评估MBF使用13N-氨基正子发射断层扫描心肌输液成像 (PET-MPI) 在心肌炎后晚期.
主要方法:
- 50名心肌炎病史患者在诊断后至少6个月接受了心脏磁共振 (CMR) 和PET/MR成像.
- 根据CMR和PET的发现,分段被分类为远程,治愈或痕.
- 使用PET-MPI测量了定量MBF,心肌流量储备 (MFR) 和13N-氨冲洗.
主要成果:
- 与远程部分相比,治愈后的部分表现出明显更高的应力MBF,MFR和冲洗.
- 在20%的患者中,PET-MPI在CMR上没有相应的晚期加多增强 (LGE) 的情况下发现了痕.
- 与PET不一致的细分 (在CMR上愈合,在PET上痕) 显示出改变的洗.
结论:
- 定量PET-MPI揭示了先前受炎症影响的心肌段的MBF持续变化.
- 这些发现突显了PET-MPI在检测心肌炎后亚临床 perfusion 缺陷方面的实用性.
- 心肌炎症可能导致影响心肌输液的长期后果.
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