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  • Title: Outcome of second-trimester, emergency cervical cerclage in patients with no history of cervical incompetence.
    Author: Lipitz S, Libshitz A, Oelsner G, Kokia E, Goldenberg M, Mashiach S, Schiff E.
    Journal: Am J Perinatol; 1996 Oct; 13(7):419-22. PubMed ID: 8960611.
    Abstract:
    A retrospective, descriptive study was conducted to evaluate the outcome of second-trimester, emergency cervical cerclage in patients with no history of cervical incompetence. Thirty-two women with singleton pregnancies were studied. All had undergone emergency cervical McDonald cerclage at 17 to 25 weeks' gestation because of cervical dilation and effacement. The procedure was carried out after a rest period of 6 or more hours, during which none of the patients demonstrated uterine activity. The mean procedure-to-delivery interval was 6.9 +/- 5.6 (median 5.5, range 0.2 to 18) weeks. Thirteen pregnancies (41%) terminated before 24 weeks. The mean gestational age at delivery was 28.5 +/- 5.8 weeks for the entire group, and 32.3 +/- 4.4 (range 25 to 38) weeks for the 19 who achieved viability. The mean birthweight of the live infants was 1935 +/- 958 g (median 1670, range 905 to 3710 g). Four infants died during the neonatal period. The total survival rate was 47%, and the survival rate corrected for major anomalies was 48.4%. The perinatal mortality rate was significantly higher among patients with membranes protruding through the-cervix on admission, compared to those without (75% vs 17%; p = .003). We concluded that emergency midtrimester cervical cerclage among patients with no prior evidence of cervical incompetence is associated with an approximately 50% survival rate. Membranes protruding through the dilated cervix are a poor prognostic factor for survival in these cases.
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