Birth asphyxia associated oliguria: relationship to outcome at 1 year.
The relationship between the degree of oliguria following severe birth asphyxia and outcome at 12 months was examined in 31 infants. All 31 infants developed encephalopathy following severe birth asphyxia and 25 had oliguria for 24 h or more following delivery. Eighteen had persistent oliguria (i.e. greater than 48 h) and the remaining seven had transient oliguria (between 24 and 48 h). Poor outcome (death or neurological abnormality at 12 months) was significantly associated with the degree of oliguria. Encephalopathy, however, was found to be more closely correlated with poor outcome rather than duration of oliguria and a stepwise regression model confirmed that encephalopathy was the more powerful predictor of poor outcome. In those situations where an infant's degree of encephalopathy can not be assessed accurately (e.g. muscle relaxant use) the duration of oliguria may prove a useful prognostic indicator.
Bourchier
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Newborn Unit, Waikato Hospital, Hamilton, New Zealand.
D001238:Asphyxia Neonatorum / Q000150:complications*; D001927:Brain Diseases / Q000209:etiology; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009846:Oliguria / Q000209:etiology*; D011379:Prognosis