Document Detail

Effect of isosorbide mononitrate for cervical ripening before surgical termination of pregnancy in the first trimester.
MedLine Citation:
PMID:  20580361     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To evaluate the efficacy of isosorbide mononitrate (IMN) for cervical ripening prior to first trimester surgical termination of pregnancy. METHODS: A prospective, double-blind, randomized, placebo-controlled trial. Women scheduled for surgical termination of a nonviable fetus before 12 weeks of gestation from October 2008 to June 2009 were enrolled and randomly assigned to receive either 20 mg vaginally of IMN (n=24) or a placebo (n=24) 4 hours before suction evacuation. Cervical dilation before evacuation was assessed with 10-mm Hegar dilators followed by smaller sizes that were measured until the instrument passed freely through the internal os. Cervical dilation, adverse effects, termination complications, and patient satisfaction were the main outcomes. RESULTS: Mean cervical dilation was not significantly different between the IMN and placebo groups (6.29+/-0.99 mm vs 5.71+/-1.04 mm; P=0.05). Mean operative time did not differ between the groups (16+/-0.07 min vs 18+/-0.06 min; P=0.55), nor did patient satisfaction measured by visual analogue scale (7.04+/-1.68 vs 6.54+/-1.22; P=0.24). CONCLUSION: IMN was comparable to placebo in terms of efficacy and patient satisfaction for cervical priming prior to first-trimester termination of pregnancy.
Poonam Phusaanantakul; Patama Promsonthi; Boonsri Chanrachakul
Publication Detail:
Type:  Journal Article; Randomized Controlled Trial     Date:  2010-07-02
Journal Detail:
Title:  International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics     Volume:  110     ISSN:  1879-3479     ISO Abbreviation:  Int J Gynaecol Obstet     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-07-12     Completed Date:  2010-10-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0210174     Medline TA:  Int J Gynaecol Obstet     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  145-8     Citation Subset:  IM    
Copyright Information:
Copyright 2010. Published by Elsevier Ireland Ltd.
Department of Obstetrics and Gynecology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
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MeSH Terms
Abortion, Induced*
Cervical Ripening / drug effects*
Double-Blind Method
Isosorbide Dinitrate / analogs & derivatives*,  therapeutic use
Labor Stage, First
Pregnancy Trimester, First
Preoperative Care / methods*
Treatment Outcome
Vacuum Curettage
Vasodilator Agents / therapeutic use*
Reg. No./Substance:
0/Vasodilator Agents; 16051-77-7/isosorbide-5-mononitrate; 87-33-2/Isosorbide Dinitrate

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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