Usef propranolol during labor induction may shorten overall time to delivery, States study
Use of propranolol during labour induction may shorten the overall time to delivery, states a study published in the American Journal of Obstetrics & Gynecology MFM.
A study was done to assess of the effect of propranolol on time to delivery among patients undergoing induction or augmentation of labour. Randomized controlled trials (RCTs) that examined the impact of propranolol on time to delivery among patients undergoing induction or augmentation of labour were included. RCTs that included stillbirth before randomization, non-randomized trials, observational, cohort, case-control, or studies in which the control group included an intervention other than standard care were excluded. Primary outcome was time to delivery after administration of propranolol among patients undergoing induction or augmentation of labor.
The summary measures were reported as summary mean difference (MD) or relative risk with 95% confidence interval (CI). Results: Nine RCTs including 1,182 patients were included in this meta-analysis.
Five studies investigated the effect of propranolol among patients undergoing induction of labor (IOL) and demonstrated a significant decrease in time to delivery (MD, -91.5 minutes, 95% CI -110.6 to -72.4). Four studies investigated the effect of propranolol among patients undergoing augmentation of labor and showed no significant decrease in time to delivery (MD, -2.98 minutes, 95% CI -21.6 to 15.6). Our pooled analysis demonstrated that the use of propranolol in IOL and augmentation was associated with a decrease in time to delivery from administration of propranolol compared to placebo (mean difference, -46.15 minutes, 95% CI -59.48 to -32.81).
The meta-analysis found no increased risk of PPH, blood transfusion, cesarean delivery rates, or NICU admission with the use of propranolol during labor. The use of propranolol during induction of labor shortens overall time to delivery by about 91 minutes and did not significantly decrease time to delivery in those undergoing augmentation of labor.
Reference:
Sonia Biswas, Mariella Toro, Rebecca Horgan, Rodney A. McLaren, Vincenzo Berghella, Huda B. Al-Kouatly. Propranolol to decrease time to delivery: a meta-analysis of randomized controlled trials. American Journal of Obstetrics & Gynecology MFM, Volume 6, Issue 10, 2024, 101459, ISSN 2589-9333, https://doi.org/10.1016/j.ajogmf.2024.101459.
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