Impact of prenatal diagnosis on survival and early neurologic morbidity in neonates with the hypoplastic left heart syndrome

William T MahleB J Clark


Prenatal echocardiography can identify the fetus that has complex congenital heart disease and may improve early management and surgical outcome. Prenatal diagnosis may be particularly beneficial to patients who have hypoplastic left heart syndrome (HLHS) and who are at risk for hypoxic-ischemic insult at presentation. We sought to determine whether prenatal diagnosis reduces neurologic morbidity and operative mortality in patients who undergo palliative surgery for the HLHS. Data from all patients who had HLHS, except for those with lethal genetic anomalies, and who were admitted to our institution between July 1992 and September 1997 were analyzed to assess the impact of prenatal diagnosis on preoperative management, neurologic morbidity, and surgical mortality. The primary outcome measures were hospital mortality and the incidence of adverse neurologic events (seizure or coma). There were 216 patients who had HLHS and were referred for surgical palliation, 79 (36.6%) of whom had been diagnosed prenatally. All patients who had been diagnosed prenatally were delivered in an advanced nursery and were started on prostaglandin E(1) on the first day of life. Patients whose HLHS was diagnosed postnatally were begun on prostaglandin...Continue Reading


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