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. 2022 Jan;181(1):253-260.
doi: 10.1007/s00431-021-04193-x. Epub 2021 Jul 17.

Association of gastric residual volumes with necrotising enterocolitis in extremely preterm infants-a case-control study

Gajanan Purohit  1 , Puja Mehkarkar  2 , Gayatri Athalye-Jape  2   3 , Elizabeth Nathan  4   5 , Sanjay Patole  6   7
Affiliations

Association of gastric residual volumes with necrotising enterocolitis in extremely preterm infants-a case-control study

Gajanan Purohit et al. Eur J Pediatr. 2022 Jan.

Erratum in

Abstract

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.

Keywords: Gastric residuals; Necrotising enterocolitis; Preterm infant.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Boxplots showing gastric residual volumes 24, 48 and 72 h before NEC diagnosis. GRV gastric residual volume, NEC necrotising enterocolitis
See this image and copyright information in PMC

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