Effect of high amniotic fluid pressure on fetal circulation
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Abstract
The purpose of this study was to investigate the effects of high amniotic fluid pressure (AFP) created by amnioinfusion on fetal circulation. Five pregnant goats whose fetuses had a mean gestational age of 131 ± 2 days (term 145 days) were used. After a 30 minute control period, 1500 ml of warm saline was infused to the amniotic cavity over a period of 30 minutes. The AFP gradually increased during amnioinfusion and remained 2–3 mmHg above the control level for 3 hours after amnioinfusion. Fetal arterial pH (FpH) tended to decrease, and there was a significant negative correlation between the FpH and AFP (r= −0.723). Fetal arterial pO2 also tended to decrease and negatively correlated to the AFP (r= −0.59). On the other hand, fetal arterial pCO2 tended to increase and positively correlated with the AFP (r = 0.75). Although amnioinfusion is useful for improving the status of a distressed fetus, the fetal condition may be jeopardized at the same time. Therefore, careful monitoring of the AFP and fetal status is recommended during amnioinfusion.
Copyright (c)2000 by Walter de Gruyter GmbH & Co. KG
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Articles in the same Issue
- Cesarean section for all twins?
- The effects of childbirth on the pelvic-floor
- Multiple courses of antenatal glucocorticoid treatment and fetal outcome
- Three-dimensional sonography in prenatal diagnosis: a luxury or a necessity?
- Does preeclampsia influence fetal lung maturity?
- Transvaginal volumetry of first trimester gestational sac: A comparison of conventional with three-dimensional ultrasound
- Effect of high amniotic fluid pressure on fetal circulation
- Bioelectrical impedance analysis in the clinical management of a pregnant woman undergoing dialysis
- Comparison of the relaxation effect in vitro of nitroglycerin vs. fenoterol on human myometrial strips
