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Emergency Cerclage: Literature Review

Namouz, Shirin MD*; Porat, Shay MD, PhD; Okun, Nan MD, FRCSC; Windrim, Rory MD, FRCSC*; Farine, Dan MD, FRCSC§

Obstetrical & Gynecological Survey: May 2013 - Volume 68 - Issue 5 - p 379–388
doi: 10.1097/OGX.0b013e31828737c7
CME Articles: Emergency Cerclage

This article reviews the use and effectiveness of emergency cerclage for women who present with a dilated cervix in the second trimester of pregnancy and seeks to identify predictors of favorable emergency cerclage outcomes. We searched PubMed and the Cochrane Library for the period January 1995 to April 2012 and used the terms “emergency cerclage,” “emergency stitch,” “rescue cerclage,” and “rescue stitch.” Thirty-four studies in which transvaginal emergency cervical cerclage was performed in women with a dilated cervix were identified and included. Predictors of poor outcome were prolapsed membranes, evidence of intra-amniotic or systemic infection, symptomatic presentation, cervical dilatation greater than 3 cm, or cerclage after 22 weeks. According to observational and limited randomized controlled trials, the cerclage group did significantly better than the bed-rest group in mean randomization-to-delivery interval, preterm delivery before 34 weeks, and compound neonatal morbidity. The current data suggest that emergency cerclage is associated with a longer latency period and, most often, with better pregnancy outcomes when compared with bed rest. Many of the predictors of adverse outcomes appear to be associated with evidence of inflammation or infection.

Target Audience: Obstetricians and gynecologists, family physicians

Learning Objectives: After completing this CME activity, physicians should be better able to review the use and evaluate the effectiveness of emergency cerclage for women who present with a dilated cervix in the second trimester, to identify predictors of favorable emergency cerclage outcomes, and to compare emergency cerclage versus bed rest.

*Fellow, Pharmacology and Toxicology, †Fellow, Maternal-Fetal Medicine, ‡Associate Professor, §Professor, Department of Obstetrics & Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada

All authors and staff in a position to control the content of this CME activity and their spouses/life partners (if any) have disclosed that they have no financial relationships with, or financial interests in, any commercial organizations pertaining to this educational activity.

Correspondence requests to: Dan Farine, MD, FRCSC, Division of Maternal Fetal Medicine, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, 700 University Ave, 3rd Floor, Suite 3-914, Toronto, ON, Canada M5G 1Z5. E-mail:dfarine@mtsinai.on.ca.

© 2013 by Lippincott Williams & Wilkins.