Fadel Bahaa M, Alkalbani Ahmad, Husain Aysha, Dahdouh Ziad, Di Salvo Giovanno
King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia.
Echocardiography. 2015 Mar;32(3):585-8. doi: 10.1111/echo.12744. Epub 2014 Sep 15.
Doppler interrogation of blood flow in the hepatic veins (HVs) is a part of any comprehensive echocardiographic examination. Data derived from the HV Doppler provide a useful tool for the assessment of right heart function. Beyond its dependence on the cardiac cycle, right heart hemodynamics, and compliance of the liver parenchyma, blood flow in the HVs is influenced by the respiratory cycle. Systematic analysis of the behavior of the HV Doppler during respiration allows one to recognize normal and abnormal flow-patterns and distinguish among various disease states that involve the right heart. In this manuscript we discuss the effect of respiration on the HV Doppler in individuals with normal right heart function.
肝静脉(HV)血流的多普勒检查是任何全面超声心动图检查的一部分。来自肝静脉多普勒的数据为评估右心功能提供了一个有用的工具。除了依赖心动周期、右心血流动力学和肝实质顺应性外,肝静脉血流还受呼吸周期影响。对呼吸过程中肝静脉多普勒行为进行系统分析,有助于识别正常和异常血流模式,并区分涉及右心的各种疾病状态。在本手稿中,我们讨论了呼吸对右心功能正常个体肝静脉多普勒的影响。