概括
常心室 (CV) 患者的解剖学变化显著影响血液动力学. 输出室的位置会影响氧和,但血流仍然是系统性动脉氧和的主要预测因素.
科学领域:
- 儿童心脏病学 儿童心脏病学
- 遗传性心脏病是一种先天性心脏病.
- 心脏解剖学和生理学心脏解剖学和生理学
背景情况:
- 常心室 (CV) 是一种复杂的先天性心脏缺陷.
- 了解心脏解剖和血液流动之间的关系对于患者管理至关重要.
- 之前的研究还没有完全阐明CV中出口腔的不同位置的血液动力学后果.
研究的目的:
- 为了将血管心脏学发现与常心室患者的血液动力学数据相关联.
- 为了研究出口室 (OLC) 位置对血液动力学和氧和度的影响.
- 确定心血管病患者系统性动脉氧和的预测因素.
主要方法:
- 在42名患有常心室病人的血管心脏学发现的回顾性审查.
- 根据大动脉的关系和OLC位置 (前面与侧面) 来对患者进行分类.
- 在29名患者的血液动力学数据分析,包括氧和和血流模式.
主要成果:
- OLC的位置有显著的变化,前部OLC在正常相关的大动脉中,侧面OLC在大多数左侧错位中.
- 在36%的患者中发生了静脉回归的完全混合,在52%的患者中发生了有利的流动.
- 较高的全身动脉减去肺动脉O2和被观察到与侧面OLCs相比较于前面OLCs的患者 (P <0.001).
结论:
- 输出室的位置是常心室血液动力学的一个显著的解剖相关.
- 侧面的OLC位置与更大的全身动脉氧气脱度有关.
- 肺和全身血流是全身动脉氧和度的最强预测因素,占79%的变化.
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