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The use of oxytocin
1Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, Missouri, USA.
Clinics in Perinatology
|December 1, 1995
Summary
Low-dose oxytocin infusion protocols are recommended for labor induction and augmentation. This approach aims for effective uterine activity while minimizing risks like water intoxication and hypotension, potentially reducing cesarean rates.
Area of Science:
- Obstetrics and Gynecology
- Pharmacology
Background:
- Synthetic oxytocin is effective for uterine activity but carries risks of water intoxication and hypotension due to its antidiuretic and vasoactive properties.
- Active management protocols are being investigated to reduce cesarean section rates.
Purpose of the Study:
- To recommend evidence-based infusion protocols for labor augmentation and induction using synthetic oxytocin.
- To advocate for the lowest effective oxytocin dosage to ensure maternal and fetal safety.
Main Methods:
- Review of pharmacokinetic and clinical studies supporting oxytocin use within the physiologic range.
- Development of infusion protocols involving low doses of dilute oxytocin, with increments no more than every 40 minutes.
Main Results:
- Pharmacokinetic and clinical data support the efficacy and prudence of using oxytocin in the physiologic range.
- Protocols using low-dose, dilute oxytocin infusions at appropriate intervals are recommended.
Conclusions:
- Low-dose oxytocin infusion protocols are effective and prudent for labor induction and augmentation.
- This approach balances the need for adequate uterine activity with minimizing risks of hyperstimulation, water intoxication, and hypotension.
- The recommended protocols may offer a reasonable alternative to avoid cesarean delivery and potential maternal/fetal injury.