系统性右心室的成年人血液动力学:大动脉先天纠正和完整转移之间的差异
William R Miranda1, C Charles Jain2, Alexander C Egbe2
1Department of Cardiovascular Medicine, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA. miranda.william@mayo.edu.
Pediatric cardiology
|January 17, 2024
概括
大人的大动脉d转移 (d-TGA) 和先天纠正TGA (ccTGA) 在心房切换后共享系统右心室 (sRV),但表现出明显的血液动力学和门问题. 这些差异需要为每种情况量身定制的心力衰竭治疗.
科学领域:
- 心脏病学 心脏病学
- 遗传性心脏病是一种先天性心脏病.
- 成年人的先天性心脏病
背景情况:
- 大动脉的先天纠正转移 (ccTGA) 和大动脉的完整转移 (d-TGA) 由于它们的共享全身右心室 (sRV),往往在心房后切换后以类似的方式进行管理.
- 然而,它们独特的解剖学起源可能导致潜在的血液动力学差异,需要进行调查.
研究的目的:
- 为了比较CCTGA和d-TGA的成年人之间的血液动力学和结构/膜异常,在心房开关手术后.
- 确定可能影响临床管理和治疗策略的潜在差异.
主要方法:
- 在2000年至2021年期间接受心脏导管治疗的138名成年患者的回顾性审查.
- 患者被分为d-TGA (后末手术),复杂ccTGA (有VSD和/或LVOTO) 和孤立的ccTGA组.
- 分析包括血液动力学参数,心室大小和功能,以及膜反的患病率.
主要成果:
- 在全身右心室 (sRV) 或左心室大小和功能方面没有观察到显著的差异.
- 与d-TGA患者相比,ccTGA患者更频繁地出现中度或较大的三腹吐.
- 肺动脉压 (PAWP) 与sRV终端透气压 (sRVEDP) 的比率在d-TGA中较高,心脏指数在d-TGA中较高,这表明ccTGA患者心室后负荷增加.
结论:
- 尽管共享sRV,但患有d-TGA和ccTGA心房后切换的成年人表现出显著的血液动力学和结构/膜差异.
- 这些发现强调了需要进一步研究对d-TGA和ccTGA心力衰竭治疗的条件特异性反应.
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