Key result
Induction of labour with a double-balloon catheter resulted in a significantly higher failure rate compared to vaginal dinoprostone (RR 1.25; 95% CI 1.02-1.49).
Why the study?
Does a double-balloon catheter improve the efficacy of labour induction in pregnant women with an unfavourable cervix compared to vaginal dinoprostone?
RCT (n=825)
Yes
Does a double-balloon catheter improve the efficacy of labour induction in pregnant women with an unfavourable cervix compared to vaginal dinoprostone?
Relative Risk: 1.25 (95% CI 1.02–1.49)
While overall efficacy and safety are comparable, the use of a double-balloon catheter for labour induction is associated with a higher failure rate and increased need for oxytocin stimulation compared to vaginal dinoprostone.
Double-balloon catheter associated with higher induction failure than dinoprostone; leaves open optimal ripening method for unfavourable cervix.
This randomised controlled study compared the efficacy of double-balloon catheter versus vaginal prostaglandin E2 (dinoprostone) for induction of labour. In total, 825 pregnant women with cephalic presentation and an unfavourable cervix undergoing induction for conventional indications were randomised to double-balloon or vaginal dinoprostone (3 mg) groups. There was a significantly higher failure rate for labour induction in the balloon group (relative risk: 1.25, 95% confidence interval [CI]: 1.02-1.49). Median induction time was 27.3 h in the balloon group and 29.8 h in the dinoprostone group (difference not significant). After 24 h, 55.3% had given birth in the balloon group versus 54.3% in the dinoprostone group. Additional oxytocin stimulation was used more often in the balloon (46%) compared with that in the dinoprostone (34%) (relative risk: 1.34 (95%CI 1.16 -1.54) group. Caesarean section rates and neonatal outcome were similar. Overall, the two methods for induction were comparable with regard to efficacy and safety.
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Løkkegaard et al. (2015) conducted an RCT in Induction of labour (n=825). Double-balloon catheter vs. Vaginal dinoprostone (3 mg) was evaluated on Failure rate for labour induction (RR 1.25, 95% CI 1.02-1.49). Induction of labour with a double-balloon catheter resulted in a significantly higher failure rate compared to vaginal dinoprostone (RR 1.25; 95% CI 1.02-1.49).
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