Document Detail

The effect of disopyramide on uterine contractions during pregnancy.
MedLine Citation:
PMID:  2309835     Owner:  NLM     Status:  MEDLINE    
To evaluate the effect of disopyramide on uterine contractions during pregnancy, the drug was given for 48 hours to 10 women with indications for labor induction. Placebo was given to 10 other women with the same indications for induction. During the study period, regular uterine contractions occurred in 10 women in the study group, as compared with none in the control group (p less than 0.0001). Eight women in the study group were delivered of infants within 48 hours, as compared with none in the control group (p less than 0.0001). The mean time until the appearance of regular uterine contractions in the study group (4.15 +/- 1.76 hours) was significantly shorter (p less than 0.001) than that in the control group (56.13 +/- 5.28 hours). Patients who were not delivered of infants within 48 hours received other medications (prostaglandin E2, oxytocin). The mean maternal blood level of disopyramide at the time of appearance of uterine contractions was 1.52 +/- 0.9 mg/ml. The mean maternal level at delivery was 0.93 +/- 0.43 mg/ml and the cord blood level at the time of delivery was 0.33 mg/ml (cord blood/maternal level ratio = 0.36, r = 0.73, p less than 0.05). These results indicate that disopyramide should not be used in pregnancy for antiarrhythmic purposes because it may induce uterine contractions and delivery.
O P Tadmor; A Keren; D Rosenak; M Gal; M Shaia; E Hornstein; H Yaffe; E Graff; S Stern; Y Z Diamant
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Publication Detail:
Type:  Clinical Trial; Controlled Clinical Trial; Journal Article    
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  162     ISSN:  0002-9378     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  1990 Feb 
Date Detail:
Created Date:  1990-04-05     Completed Date:  1990-04-05     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  482-6     Citation Subset:  AIM; IM    
Department of Obstetrics and Gynecology, Bikur Cholim Hospital, Hadassah Medical School, Tel Aviv Medical Center, Israel.
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MeSH Terms
Disopyramide / blood,  pharmacology*
Double-Blind Method
Heart Rate, Fetal / drug effects
Labor, Induced
Pregnancy / physiology*
Uterine Contraction / drug effects*
Reg. No./Substance:

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