Correlation of change in uterine activity to blood loss in the third stage of labour

被引:11
作者
Choo, WL [1 ]
Chua, S [1 ]
Chong, YS [1 ]
Vanaja, K [1 ]
Oei, PL [1 ]
Ho, LM [1 ]
Roy, AC [1 ]
Arulkumaran, S [1 ]
机构
[1] Natl Univ Singapore, Dept Obstet & Gynaecol, Natl Univ Hosp, Singapore 119260, Singapore
关键词
uterine activity; blood loss; labour third stage;
D O I
10.1159/000010028
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
In 47 women, the change in the uterine activity after the administration of a uterotonic agent was correlated with the amount of blood loss during the same period of time. Uterine activity was measured by a Gaeltec(R) catheter-tipped pressure transducer inserted transcervically within 5 min of delivery of the placenta. A uterotonic agent (either intravenous syntocinon, intramuscular syntometrine or oral misoprostol) was given after the insertion of the intrauterine pressure catheter and pressure recorded for another 90 min. Blood loss over the same 2-hour period was collected with absorbent paper which was then assessed by colorimetric measurement of the haemoglobin content in the sample. Our results show that the change in uterine activity is associated with the total blood loss. However, there is a poor linear correlation between the two variables probably because of the biological variation in myometrial activity and differences in coagulation mechanisms in normal women.
引用
收藏
页码:178 / 180
页数:3
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