Posthemorrhagic hydrocephalus in low-birth-weight infants: treatment by serial lumbar punctures.

We have performed weekly computed tomographic brain scans on 28 surviving low-birth-weight infants with cerebral intraventricular hemorrhage and acute ventricular dilatation. Evolving hydrocephalus was observed in 15 infants. Twelve of the 15 infants were treated by removing large volumes of cerebrospinal fluid with serial lumbar punctures. Arrest in the progression of hydrocephalus was evident in 11 of the 12. Clinical hydrocephalus requiring surgical intervention occurred in one of the treated infants and in all three untreated infants. No complications of serial lumbar punctures were noted, whereas shunt-related morbidity was 100%. Our results suggest that serial lumbar punctures are effective in arresting the development of posthemorrhagic hydrocephalus.

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