Uterine contractions increase fetal heart preload

被引：13
|
作者：
Takahashi, Y [1 ]
Iwagaki, S [1 ]
Nakagawa, Y [1 ]
Kawabata, I [1 ]
Tamaya, T [1 ]
机构：
[1] Gifu Univ, Sch Med, Dept Obstet & Gynecol, Gifu 5008705, Japan
来源：
ULTRASOUND IN OBSTETRICS & GYNECOLOGY | 2003年 / 22卷 / 01期
关键词：
fetal inferior vena cava; fetal preload; preload index; tocolysis; uterine contraction;
D O I：
10.1002/uog.142
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Objective The preload index (PLI) has been shown to increase in the recipient fetus of twin-twin transfusion syndrome in the presence of uterine contractions. The objective of this study was to determine whether there are changes in PLI in the presence of uterine contractions in normal fetuses. Methods Inferior vena cava blood flow was measured using Doppler sonography in 45 normal fetuses at 18-41 weeks' gestation in the presence of uterine contractions and during quiescence and the PLI was compared between groups. Results There was a highly significant difference (P < 0.0001) between the mean +/- SD PLI in fetuses in the absence (0.235 +/- 0.07) and in the presence (0.534 +/- 0.183) of uterine contractions. Conclusion Uterine contractions appear to increase fetal preload conditions in normal pregnancy. Copyright (C) 2003 ISUOG. Published by John Wiley & Sons, Ltd.
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收藏
页码：53 / 56
页数：4
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