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עמוד בית
Tue, 16.07.24

ORIGINAL ARTICLES

IMAJ | volume 25

Journal 5, May 2023
pages: 321-323

Intrapartum Atosiban Treatment During Tachysystole and Non-reassuring Fetal Monitoring: A Retrospective Cohort Study

1 Department of Obstetrics and Gynecology, Rambam Health Care Campus, Haifa, Israel 2 Rappaport Faculty of Medicine, Technion–Institute of Technology, Haifa, Israel

Summary

Background:

Uterine tachysystole during labor can lead to a decrease in fetal oxygen saturation and intracerebral oxygen saturation. Acute tocolysis using atosiban can inhibit uterine smooth muscle activity, potentially improving fetal status and facilitating vaginal delivery or allowing time to prepare for operative delivery.

Objectives:

To compare maternal and neonatal outcomes in cesarean and vaginal deliveries following atosiban administration during fetal prolonged deceleration and tachysystole at gestational age 37 0/7 to 43 0/7 weeks.

Methods:

We conducted a single-center, descriptive retrospective cohort study at a large tertiary referral center.

Results:

Of the 275 patients treated with atosiban, 186 (68%) delivered vaginally (either spontaneous delivery or instrumental delivery) and 89 (32%) underwent a cesarean delivery. In a univariate analysis, cesarean delivery was associated with higher body mass index (27.9 ± 4.3 vs. 30.2 ± 4.8, P = 0.003). Second stage atosiban administration was associated with vaginal delivery (89.3% vs. 10.7%, P = 0.01). Cesarean delivery was associated with lower Apgar at 1 and 5 minutes and a higher rate of neonatal intensive care unit admissions. The incidence of PPH among women treated with atosiban in our study (2.3–4.3%) was higher than the incidence reported in the literature (1–3%)  

Conclusions:

Atosiban may be an effective acute intervention for non-reassuring fetal heart rate during tachysystole, increasing the rate of vaginal delivery and potentially reducing the need for cesarean delivery. However, the potential risk of postpartum hemorrhage should be taken into consideration.

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