MATERNAL VOLUME HOMEOSTASIS IN EARLY-PREGNANCY IN RELATION TO FETAL GROWTH RESTRICTION

被引:79
作者
DUVEKOT, JJ
CHERIEX, EC
PIETERS, FAA
MENHEERE, PPCA
SCHOUTEN, HJA
PEETERS, LLH
机构
[1] UNIV LIMBURG HOSP,DEPT OBSTET & GYNECOL,MAASTRICHT,NETHERLANDS
[2] UNIV LIMBURG HOSP,DEPT CARDIOL,MAASTRICHT,NETHERLANDS
[3] UNIV LIMBURG HOSP,DEPT CLIN CHEM,MAASTRICHT,NETHERLANDS
[4] UNIV LIMBURG HOSP,DEPT METHODOL & STAT,MAASTRICHT,NETHERLANDS
关键词
D O I
10.1016/0029-7844(94)00417-C
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
Objective: To test the hypothesis that volume adaptation in pregnancies complicated by fetal growth restriction (FGR) is already abnormal very early in pregnancy. Methods: In six pregnancies later complicated by FGR, volume homeostasis in the first 8 weeks was compared to that in ten normal pregnancies. Creatinine clearance, volume-dependent hormones, hemodilution-related variables, and ultrasonic cardiovascular dimensions were measured weekly between weeks 5 and 10, in the second and third trimesters, and postpartum. Differences between the two groups were analyzed by nonparametric tests. Results: Very early in pregnancy, pregnancies complicated by FGR differed from normal pregnancies in the following ways: smaller left atrial diameter, smaller collapsible part of the inferior vena cava, lower serum sodium concentration, and smaller fall in serum creatinine and urea. Conclusion: Fetal growth restriction is preceded by defective volume adaptation very early in pregnancy. It appears that the maternal compensation mechanisms are unable to resolve the transient state of vascular underfill seen in this period in normal gestation.
引用
收藏
页码:361 / 367
页数:7
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