In a challenging infant heart defect, two-thirds may have high chance of survival

When prenatal diagnosis detects the severe heart defect hypoplastic left heart syndrome (HLHS) in a fetus, a comprehensive prenatal evaluation is important to provide parents an accurate prognosis. In HLHS, one of the heart's pumping chambers is severely underdeveloped. However, researchers say, in two-thirds of cases, reconstructive surgery affords the infant an excellent chance of early survival.

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