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Necrotising enterocolitis (NEC) is a potentially serious illness with significant mortality and morbidity in preterm infants. Previous studies have reported association of volume and colour (bile and blood stained) of gastric residuals (GR) with NEC. We aimed to study this association in our cohort of extremely preterm (EP) infants. In a case–control study using retrospective data (January 2006–December 2011), EP (gestation < 28 weeks) infants with confirmed NEC ≥ stage II (cases) were compared with infants without NEC (controls) matched for birth weight (BW) and gestational age (GA). Forty cases of NEC ≥ stage II diagnosed at a median (IQR) age of 16.5 days (10.3–23) were compared with 40 controls matched for gestation (± 3 days) and birth weight (± 680 g). Median maximum GR volume (GRV) from birth to the day of occurrence of NEC was significantly higher in cases vs. controls (5.9 vs.3.7 ml; p < 0.001). Increased maximum GRV was associated with NEC ≥ Stage II in adjusted analysis (aOR 1.36, 95%CI 1.06–1.75, p = 0.017). There was no significant difference in GRV between cases and controls throughout the clinical course, including 72, 48 and 24 h before the onset of NEC. However, green (65.0% vs. 27.5%, p = 0.001) and haemorrhagic GRs (45.0% vs. 27.5%, p = 0.092) were higher 24 h before the diagnosis of NEC. Conclusion: GRV was not associated with NEC ≥ stage II. However, green and haemorrhagic GRs were significantly higher 24 h before the diagnosis of the illness. Adequately powered prospective studies are needed to confirm the significance of our findings. What is Known: •It is unclear whether large volume, dark-coloured and blood-stained GRs are associated with NEC. •The value of routine monitoring of gastric residuals in preterm infants is currently being questioned. What is New: •Volume of gastric residuals was not associated with significant NEC. •Green and haemorrhagic GRs were significantly higher 24 hours before diagnosis of NEC. [ABSTRACT FROM AUTHOR]

Objectives:To evaluate the effectiveness of low-dose oral erythromycin to treat feeding intolerance in preterm infants.Design:This study was a prospective, double-blind, randomized, placebo-controlled trial on 60 premature infants suffering from feeding intolerance. Thirty infants were given oral erythromycin 1 mg/kg every 8 h and 30 infants were given placebo (normal saline). Randomization was stratified on enrollment according to gestational age whether >32 weeks or 32 weeks. The primary end point was the length of time taken to establish full enteral feeding since enrollment. Potential adverse effects associated with erythromycin were also monitored. Groups of each corresponding stratum were compared using two-tail t-test and Mann–Whitney for continuous variables, and χ2 and Fisher's exact for categorical variables.Results:For infants with gestational age >32 weeks, the erythromycin group achieved full enteral feeding earlier than placebo group (10.5±4.1 vs 16.3±5.7 days, respectively; P=0.01) had fewer episodes of gastric residuals (P<0.05) and shorter duration of parenteral nutrition (PN) (P<0.05). On the other hand, in infants with gestational age 32 weeks, there were no significant differences between erythromycin and placebo groups regarding any of these variables.Conclusion:Low-dose enteral erythromycin is associated with better tolerance of feeding and shorter duration of PN in infants >32 weeks gestation. A similar effect on younger preterm infants was not demonstrable.Journal of Perinatology (2007) 27, 39–43. doi:10.1038/sj.jp.7211618; published online 12 October 2006 [ABSTRACT FROM AUTHOR]