Randomized trial of "slow" versus "fast" feed advancements on the incidence of necrotizing enterocolitis in very low birth weight infants

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ObjectiveTo determine whether the rate of feed advancement affects the incidence of necrotizing enterocolitis (NEC).Study designProspective randomized controlled trial involving 185 formula-fed infants with birth weight 501 to 1500 g and gestational age ResultsThe incidence of NEC (Bell stage >or= to II) was similar to both groups (slow 13% and fast 9%, P = .5). The incidence of perforation (Bell stage III) was also similar in both groups (slow 4% and fast 2%, P = .8). Feeds were started at a comparable postnatal age in both groups (median age: slow 5 days and fast 4 days, P = .9). Although the neonates in the fast group attained full enteral intake earlier (median days [25th and 75th percentiles]: slow 15 [12, 21] and fast 11 [8, 15], P < .001) and regained their birth weight earlier (slow 15 [11, 20] and fast 12 [8, 15], P < .05), their ages at discharge were not statistically different (slow 47 [31, 67] and fast 43 [29, 62], P = .3)ConclusionsA greater than twofold difference in the rate of feed advancement from 15 cc/kg/d to 35 cc/kg/d did not affect the incidence of NEC >or= to stage II. Factors other than feed advancement appear to be more important in the pathogenesis or progression of NEC. (J Pediatr 1999;134:293-7)

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