胎儿羔羊静脉回流的决定因素。

R D Gilbert
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引用次数: 1

摘要

已经测量了影响静脉回流的外周血管因素,因此心输出量,在胎儿。这些测量表明胎儿通过高平均体压或静脉回流驱动压和低静脉回流阻力来维持高静脉回流。胎儿血容量增加导致平均体压升高,但静脉回流阻力不变,因此静脉回流增加。这些研究表明外周血管因子在控制心输出量中的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Determinants of venous return in the fetal lamb.

Measurements have been made of the peripheral vascular factors influencing venous return, and hence cardiac output, in the fetus. These measurements show the fetus maintains a high venous return by means of a high mean systemic pressure, or driving pressure for venous return, and a low resistance to venous return. Increases in fetal blood volume cause increases in mean systemic pressure with no change in resistance to venous return and, as a result, venous return is increased. These studies show the possible importance of peripheral vascular factors in the control of cardiac output.

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