and granular and hyaline casts. The final diagnosis was ATN in 125 patients (47%) and PRA in 106 patients (40%). The other 36 patients (13.5%) were excluded as having other causes of AKI.

In all the acute deaths (before three weeks of age) the infants had pulmonary hyaline membranes. Infants with a greater weight at birth and a longer gestational age tended to survive. The mean ...