Nonimmunologic Hydrops Fetalis: A Review of 19 Cases

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Abstract
Nineteen cases of nonimmunologic hydrops fetalis occurring during a nine-year period were reviewed. The pregnancies were complicated by hydramnios (78%) and preterm delivery (84%). Hydramnios appears to be the most useful indicator of the pregnancy at risk; its occurrence should prompt ultrasonographic investigation for evidence of hydrops. Modalities available for antenatal diagnosis of underlying fetal abnormalities include amniocentesis, serologic tests, fetal cardiac monitoring, radiography, hemoglobin electrophoresis and glucose tolerance testing. A specific cause for the hydrops may not be detectable (42% of our cases were idiopathic). Management of affected pregnancies is influenced by the frequent occurrence of fetal asphyxia and premature delivery. Outcome is poor: only 32% of the babies survived beyond the neonatal period. Symptomatic treatment for the neonate includes fluid restriction, maintenance of blood sugar, support of ventilation and attention to the complications of asphyxia.