Ali A S, Sergakova L M, Naumov V G, Mareev V Iu
Kardiologiia. 1989 Mar;29(3):67-71.
Blood flow in the vicinity of the pulmonary-arterial valve was examined in 20 normal subjects and 42 patients with pulmonary hypertension. Four major types were identified in the flow spectrum. Six flow classes were further identified on the basis of their combinations in the same patients. These classes were correlated with a number of hemodynamic parameters. They were shown to be related to systolic pulmonary-arterial blood pressure and total vascular resistance, but unrelated to diastolic and mean blood pressure in the pulmonary artery. There was no correlation with the cardiac cycle duration, ejection time, and cardiac output either, although the latter parameters differed significantly between normal subjects and patients with pulmonary hypertension. The classes identified permit a semiquantitative assessment of systolic blood pressure in the pulmonary artery and total peripheral resistance.
在20名正常受试者和42名肺动脉高压患者中检查了肺动脉瓣附近的血流情况。在血流频谱中识别出四种主要类型。基于同一患者中这些类型的组合进一步识别出六个血流类别。这些类别与多个血流动力学参数相关。结果表明它们与收缩期肺动脉血压和总血管阻力有关，但与肺动脉舒张压和平均血压无关。与心动周期时长、射血时间和心输出量也无相关性，尽管正常受试者和肺动脉高压患者之间后几个参数存在显著差异。所识别出的类别允许对肺动脉收缩压和总外周阻力进行半定量评估。
