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Anaphylactoid reaction to oxytocin during cesarean section
T Kawarabayashi1, Y Narisawa, K Nakamura
1Department of Obstetrics and Gynecology, Saga Medical School, Japan.
Gynecologic and Obstetric Investigation
|January 1, 1988
Summary
Severe hypotension during cesarean section due to synthetic oxytocin allergy was effectively treated with epinephrine over ephedrine. While rare, anaphylactoid reactions to oxytocin necessitate vigilance in obstetric care.
Area of Science:
- Obstetrics and Gynecology
- Anesthesiology
- Pharmacology
Background:
- Synthetic oxytocin is commonly used to induce labor and control postpartum bleeding.
- Cesarean sections frequently require oxytocin administration for uterine contraction.
- Anaphylactoid reactions to oxytocin are rare but potentially life-threatening.
Observation:
- A patient experienced a severe allergic reaction, including profound hypotension, following synthetic oxytocin administration during a cesarean section.
- The patient's hypotension was refractory to initial management.
- Epinephrine administration led to a significant improvement in the patient's hemodynamic status.
Findings:
- Epinephrine demonstrated superior efficacy compared to ephedrine in reversing severe hypotension caused by oxytocin-induced anaphylaxis.
- This case highlights a rare but critical adverse drug reaction to synthetic oxytocin.
Implications:
- Clinicians should maintain a high index of suspicion for anaphylactoid reactions to oxytocin in obstetric emergencies.
- Prompt administration of epinephrine should be considered in managing severe hypotension unresponsive to standard treatments during or after oxytocin infusion.
- Awareness of this potential complication is crucial for patient safety in routine obstetric practice.