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  • Title: [Clinical experience of using oxytocin antagonist atosiban in the rescue therapy of preterm labour].
    Author: Tan JP, Chen H, Du BJ, Liu YL, Wang YH, Zhang JP.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 2008 Feb; 43(2):81-4. PubMed ID: 18683742.
    Abstract:
    OBJECTIVE: To investigate the effectiveness of oxytocin antagonist atosiban in the alternative rescue therapy of preterm labor. METHODS: Alternative tocolysis atosiban was given as rescue therapy to 35 women, who had received ritodrine or magnesium sulphate but failed, due to either progression of labour or intolerable adverse events. Atosiban was administered for up to 48 hours. Efficacy and tolerability were assessed based on the proportion of women who did not deliver and did not need alternative tocolytic therapy at 48 hours and 7 days after therapy initiation. The numbers of maternal adverse events and neonatal morbidity were also assessed. RESULTS: Efficacy and tolerability at 48 hours and 7 days after atosiban initiation were 77% (27/35) and 60% (21/35). One woman presented drug-related side effects with mild nausea and vomiting. Thirty-four women have delivered and one bigemina (28 weeks) is being followed-up. In 34 women, 11 delivered before 28 gestational weeks, 17 delivered after 28 gestational weeks, 3 delivered after 34 weeks and 3 had term delivery. Pregnancies were prolonged by 4 hours to 14(+2) weeks. There were nine neonatal deaths, with gestational ages less than 28 weeks at delivery. CONCLUSION: Oxytocin antagonist atosiban could be given as alternative rescue therapy if therapy with ritodrine or magnesium sulphate fails in the treatment of preterm labor, and it is safe and effective.
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