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Randomized Controlled Trial
. 2022 Jul;158(1):44-49.
doi: 10.1002/ijgo.13943. Epub 2021 Oct 27.

Simultaneous use of high-volume Foley catheter (60 ml) and misoprostol for labor induction in nulliparous women: A randomized controlled trial

Anjali Soni  1 , Aarti Sharma  1 , Chanderdeep Sharma  1 , Suresh Verma  1
Affiliations
Randomized Controlled Trial

Simultaneous use of high-volume Foley catheter (60 ml) and misoprostol for labor induction in nulliparous women: A randomized controlled trial

Anjali Soni et al. Int J Gynaecol Obstet. 2022 Jul.

Abstract

Objective: To examine the simultaneous effect of high-volume Foley catheter (HVFC) (60 ml) and vaginal misoprostol on labor induction in nulliparous women.

Methods: A randomized, double-blind, controlled trial was conducted among nulliparous post-date (>40 weeks) pregnant women between June and December 2019. At enrollment 100 women were randomized into each group (either HVFC and vaginal misoprostol or low-volume Foley catheter [LVFC] [30 ml] and vaginal misoprostol), for labor induction. Demographic and clinical data were collected at enrollment and delivery.

Results: Women in the HVFC group had statistically significantly shorter induction to delivery interval (median 860 min, interquartile range [IQR] 840-940 min vs. 1160 min, IQR 1080-1320 min, P < 0.001) and duration of labor (median 615 min, IQR 600-680 min vs. 750, IQR 692.5-800 min, P < 0.001). Mode of vaginal delivery (n = 94 vs. n = 78, P = 0.002), number of doses of misoprostol required (median 2, IQR 1-2 vs. 2, IQR 1-3), and need of oxytocin augmentation (n = 22 vs. n = 39, P = 0.014 and P < 0.001), was significantly better in the HVFC group. However, there was no significant difference with respect to other maternal or neonatal outcomes.

Conclusion: Simultaneous use of HVFC and vaginal misoprostol for labor induction significantly shortens the induction to delivery interval and duration of labor in nulliparous women.

Trial registration: Clinical Trial Registry of India CTRI/2019/05/019394 (http://ctri.nic.in/Clinicaltrials/pmaindet2.php?trialid=31554&EncHid=&userName=Foley%20catheter).

Keywords: Foley catheter; high volume; labor induction; low volume; mechanical induction of labor.

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References

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