Computerised evaluation of fetal heart rate in post-term fetuses: long term variation

被引：6
|
作者：
Mandruzzato, G
Meir, YJ
D'Ottavio, G
Conoscenti, G
Dawes, GS
机构：
[1] Burlo Garofolo Inst, Dept Obstet & Gynaecol, I-34100 Trieste, Italy
[2] John Radcliffe Hosp, Nuffield Dept Obstet & Gynaecol, Oxford OX3 9DU, England
来源：
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY | 1998年 / 105卷 / 03期
关键词：
D O I：
10.1111/j.1471-0528.1998.tb10100.x
中图分类号：
R71 [妇产科学];
学科分类号：
100211 ;
摘要：
Computerised fetal heart rate records were obtained between 1987 and 1993 using the Sonicaid System 8000 for a cross-sectional study of postdates fetal heart rate variation; 567 singleton pregnancies at 41 and 43 weeks provided 1502 records. In all cases gestational age had been verified by ultrasound examination in early pregnancy. The mean minute range of the long term pulse interval variation, which is known to be correlated with fetal oxygenation was found to decrease progressively from an average value of 48.5 ms at 41 weeks to 46.4 ms and 42.4 ms at 42 and 43 or more weeks, respectively. When conservative management of postdate pregnancies is chosen, accurate measurements are needed to follow the evolution of fetal condition. Reference values for calculated pulse interval variation at later gestational ages are now provided.
引用
收藏
页码：356 / 359
页数：4
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