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Related Experiment Videos

Randomised, double-blind, placebo controlled pilot study assessing nitroglycerin as a tocolytic.

G N Smith1, M C Walker, M J McGrath

  • 1Department of Obstetrics and Gynaecology, University of Toronto, Ontario, Canada.

British Journal of Obstetrics and Gynaecology
|July 31, 1999
PubMed
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Transdermal nitroglycerin may effectively reduce preterm labor delivery rates. This pilot study suggests nitroglycerin as a promising tocolytic agent, with fewer women receiving it delivering within 48 hours compared to placebo.

Area of Science:

  • Obstetrics and Gynecology
  • Pharmacology

Background:

  • Preterm labor is a significant concern in obstetric care.
  • Effective tocolytic agents are crucial for managing preterm labor and improving neonatal outcomes.

Purpose of the Study:

  • To evaluate the efficacy of transdermal nitroglycerin as a tocolytic agent in women with preterm labor.
  • To compare the rate of delivery within 48 hours between women receiving transdermal nitroglycerin and placebo.

Main Methods:

  • A double-blind, randomized pilot study involving 33 women in preterm labor.
  • Participants were randomized to receive either transdermal nitroglycerin (n=17) or placebo (n=16).
  • The primary outcome was delivery within 48 hours of randomization.

Main Results:

Related Experiment Videos

  • Fewer women in the nitroglycerin group (6/17) delivered within 48 hours compared to the placebo group (10/16).
  • The relative risk of delivery within 48 hours was 0.56 (95% CI 0.27 to 1.19) for nitroglycerin compared to placebo.
  • Cervical change was significant in both groups prior to randomization (P < 0.001).

Conclusions:

  • Transdermal nitroglycerin shows potential as a safe and effective tocolytic agent.
  • Results support previous case series suggesting nitroglycerin's promise in managing preterm labor.
  • Further research is warranted to confirm these findings in larger trials.