Related Experiment Videos
Calcium channel blockers for inhibiting preterm labour
J F King1, V J Flenady, D N Papatsonis
1Department of Perinatal Medicine, Royal Women's Hospital, Carlton, Victoria, Australia, 3053. jfking@unimelb.edu.au
The Cochrane Database of Systematic Reviews
|January 22, 2003
Summary
Calcium channel blockers are a safer and more effective tocolytic agent for preterm labor than betamimetics. They reduce preterm birth rates and improve neonatal outcomes, with fewer maternal side effects.
Area of Science:
- Obstetrics and Gynecology
- Pharmacology
- Neonatal Medicine
Background:
- Preterm birth is a leading cause of perinatal mortality and morbidity.
- Betamimetics, commonly used tocolytics, delay delivery but do not improve perinatal outcomes and have significant maternal side effects.
- Calcium channel blockers are emerging as a well-tolerated and effective tocolytic option.
Purpose of the Study:
- To evaluate the efficacy and safety of calcium channel blockers as tocolytic agents in women experiencing preterm labor.
- To assess the impact on maternal, fetal, and neonatal outcomes.
Main Methods:
- Systematic review and meta-analysis of randomized controlled trials.
- Searched multiple databases including Cochrane, MEDLINE, and EMBASE up to June 2002.
- Included 12 trials with 1029 women comparing calcium channel blockers to other tocolytics, primarily betamimetics.
Main Results:
- Calcium channel blockers significantly reduced births within seven days and before 34 weeks' gestation.
- Reduced adverse drug reactions requiring treatment cessation.
- Improved neonatal outcomes, including decreased respiratory distress syndrome, necrotizing enterocolitis, intraventricular hemorrhage, and jaundice.
Conclusions:
- Calcium channel blockers are preferable to other tocolytic agents, such as betamimetics, for managing preterm labor.
- Further research is needed on optimal dosage regimens and formulations for calcium channel blockers.