Depth of bacterial invasion in resected intestinal tissue predicts mortality in surgical necrotizing enterocolitis

J. I. Remon, S. C. Amin, S. R. Mehendale, R. Rao, A. A. Luciano, S. A. Garzon, A. Maheshwari

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21 Scopus citations

Abstract

Objective:Up to a third of all infants who develop necrotizing enterocolitis (NEC) require surgical resection of necrotic bowel. We hypothesized that the histopathological findings in surgically resected bowel can predict the clinical outcome of these infants.Study Design:We reviewed the medical records and archived pathology specimens from all patients who underwent bowel resection/autopsy for NEC at a regional referral center over a 10-year period. Pathology specimens were graded for the depth and severity of necrosis, inflammation, bacteria invasion and pneumatosis, and histopathological findings were correlated with clinical outcomes.Result:We performed clinico-pathological analysis on 33 infants with confirmed NEC, of which 18 (54.5%) died. Depth of bacterial invasion in resected intestinal tissue predicted death from NEC (odds ratio 5.39 per unit change in the depth of bacterial invasion, 95% confidence interval 1.33 to 21.73). The presence of transmural necrosis and bacteria in the surgical margins of resected bowel was also associated with increased mortality.Conclusion:Depth of bacterial invasion in resected intestinal tissue predicts mortality in surgical NEC.

Original languageEnglish
Pages (from-to)755-762
Number of pages8
JournalJournal of Perinatology
Volume35
Issue number9
DOIs
StatePublished - Sep 28 2015

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    Remon, J. I., Amin, S. C., Mehendale, S. R., Rao, R., Luciano, A. A., Garzon, S. A., & Maheshwari, A. (2015). Depth of bacterial invasion in resected intestinal tissue predicts mortality in surgical necrotizing enterocolitis. Journal of Perinatology, 35(9), 755-762. https://doi.org/10.1038/jp.2015.51