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Pumps and warmers during amnioinfusion: is either necessary?
1Department of Obstetrics and Gynecology, University of Rochester, School of Medicine and Dentistry, New York, USA.
Obstetrics and Gynecology
|January 1, 1996
Summary
Amnioinfusion reduces fetal distress, meconium, and cesarean delivery rates. However, evidence does not support the use of infusion pumps or warmers during amnioinfusion, with pumps potentially increasing fetal distress risk.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Medicine
- Maternal-Fetal Medicine
Background:
- Amnioinfusion is a procedure used in labor and delivery.
- The benefits of specific adjuncts like infusion pumps and warmers are not well-established.
Purpose of the Study:
- To evaluate the efficacy of amnioinfusion, specifically assessing the impact of infusion pumps and solution warmers.
- To determine if adjuncts improve perinatal outcomes.
Main Methods:
- Systematic review of 14 prospective English-language amnioinfusion studies published since 1983.
- Meta-analysis of odds ratios for cesarean delivery, fetal distress, meconium, Apgar scores, and endometritis.
- Multiple regression analysis to assess pump and warmer effects.
Main Results:
- Amnioinfusion significantly decreased fetal distress (OR 0.40), meconium below the cords (OR 0.16), and cesarean delivery rates (OR 0.56).
- No demonstrable benefits were found for using infusion pumps or solution warmers.
- Infusion pumps were associated with an increased risk of fetal distress (P = .01).
Conclusions:
- Amnioinfusion is beneficial in reducing fetal distress, meconium, and cesarean delivery.
- Current evidence does not support the routine use of infusion pumps or warmers during amnioinfusion.
- Further research may be needed to clarify the role of adjuncts in amnioinfusion therapy.