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  • Title: Invasive treatment in complicated monochorionic twin pregnancies: indications and outcome of 120 consecutively treated pregnancies.
    Author: Sundberg K, Søgaard K, Jensen LN, Schou KV, Jørgensen C.
    Journal: Acta Obstet Gynecol Scand; 2012 Oct; 91(10):1201-5. PubMed ID: 22708557.
    Abstract:
    OBJECTIVE: Monochorionic twin pregnancies are associated with increased risk of severe complications. Umbilical cord occlusion (UCO) and fetoscopic selective laser coagulation (FSLC) are used as invasive treatment. The study aim was to document treatment indications and pregnancy outcome where UCO and FSLC were used for treating fetal discrepancies and twin-to-twin transfusion syndrome (TTTS). DESIGN: Cohort study of all consecutively treated monochorionic twin pregnancies 2004-2010. SETTING: Tertiary care center. POPULATION: One hundred and twenty pregnancies treated by FSLC (55) or UCO (65). Umbilical cord occlusion was undertaken in 49 TTTS cases, in four cases with fetal abnormality and TTTS and in 12 cases because of fetal anomaly only. MAIN OUTCOME MEASURES: Overall survival per fetus, survival per pregnancy of at least one fetus and further survival according to the Quintero stages. Infant survival until at least one week after birth. RESULTS: Of the pregnancies studied, 84% had TTTS, 13% had a fetal malformation and 3% had both. Of TTTS cases, 69% were Quintero stage 3 and 4. In the UCO group with TTTS, 87% were in stage 3 and 4. Survival in the UCO group was 82%. In the laser group, the survival of at least one fetus was 85%. Overall survival per fetus was 60%. CONCLUSIONS: By far the most common indication for invasive treatment was TTTS in Quintero stage 3. Outcome by means of survival after FSLC and UCO were similar to what has been reported elsewhere. Cord occlusion was an acceptable treatment alternative to fetoscopic selective laser coagulation in severe TTTS cases.
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