Abstract
In the decade 1981 to 1991, 16 infants developed recurrent necrotizing enterocolitis (NEC). They comprised 12 (6%) of 196 neonates referred for further management of NEC and four others referred with major congenital anomalies. Their median gestational age was 32 weeks (range, 27 to 40), median birth weight was 1,260 g (range, 790 to 3,230), and the sex distribution was equal. Recurrent NEC occurred after a median interval of 37 days (range, 11 to 163) from the onset of the initial episode. All but one of the 16 infants were either premature (n = 10) or mature with major congenital anomalies (n = 5). Nine patients had previously undergone surgery for NEC. Medical treatment was successful in 11 patients with recurrent NEC. Two infants died, both of liver failure related to parenteral nutrition; one of whom had suffered four separate episodes of NEC and was found to have a superior mesenteric artery occlusion. There was no consistent association between recurrent NEC and the type or timing of enteral feeds or the anatomical site or method of management of the original attack. The mortality of 12.5% was similar to that for primary NEC.
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