Failure of Amniotic Septostomy in the Management of 3 Subsequent Cases of Severe Previable Twin-Twin Transfusion Syndrome

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Abstract
Introduction: Amniotic septostomy has been described as a method to treat twin-twin transfusion syndrome. A case report of 3 patients treated in this way is described. Case report: Three subsequent patients, who presented with twin-twin transfusion syndrome, were treated by amniotic septostomy. All 3 showed initial improvement in the amniotic fluid volume and mobility of the donor fetus. However, all three pregnancies were lost within 5 days of the amniotic septostomy due to ruptured membranes and premature labour. Conclusion: In our experience, amniotic septostomy did not improve the pregnancy outcome in twin-twin transfusion syndrome. Possible reasons for this are discussed.