Cervical incompetence: elective, emergent, or urgent cerclage

Area of Science:

• Maternal-Fetal Medicine
• Obstetrics and Gynecology
• Perinatal Research

Background:

• Cervical cerclage is a procedure to prevent preterm birth.
• Indications for cerclage include elective, urgent, and emergent scenarios.
• Outcomes and risks associated with different cerclage timings require clarification.

Purpose of the Study:

• To define criteria for elective, urgent, and emergent cervical cerclage.
• To compare pregnancy prolongation and neonatal survival across these groups.
• To assess the risk of spontaneous rupture of membranes and chorioamnionitis for each cerclage type.

Main Methods:

• Retrospective analysis of cervical cerclages placed between 1993 and 1997.
• Outcomes measured included pregnancy duration, delivery gestational age, neonatal survival, and incidence of spontaneous rupture of membranes and chorioamnionitis.

Main Results:

• Elective cerclage resulted in significantly longer pregnancy prolongation (20.2 weeks) and higher gestational age at delivery (35.5 weeks) compared to urgent (12.2 weeks, 33.1 weeks) and emergent (8.3 weeks, 30.5 weeks) cerclage.
• Neonatal survival rate was 85.7% overall.
• Incidence of spontaneous rupture of membranes was highest in emergent (51%) and urgent (40%) cerclage groups compared to elective (18%).

Conclusions:

• Emergency cerclage provides benefit in cases of cervical incompetence.
• A new group requiring urgent cerclage, identified by subtle sonographic cervical changes, exhibits outcomes similar to the emergent group.
• These findings suggest that timely intervention, even on an urgent basis, is crucial for improving pregnancy outcomes.