Risk factors associated with postnecrotizing enterocolitis strictures in infants

F. H. Heida, M. H.J. Loos, L. Stolwijk, B. J.C. Te Kiefte, S. J. van den Ende, W. Onland, R. R. van Rijn, R. Dikkers, F. A.M. van den Dungen, E. M.W. Kooi, A. F. Bos, J. B.F. Hulscher, R. Bakx

Onderzoeksoutput: Bijdrage aan tijdschriftArtikelpeer review

24 Citaten (Scopus)


Introduction: Survivors of necrotizing enterocolitis (NEC) often develop a post-NEC intestinal stricture, causing severe and prolonged morbidity. Objectives: We first aimed to determine the incidence of post-NEC strictures. Second, we aimed to determine risk factors associated with intestinal post-NEC strictures. Materials and Methods: A total of 441 patients diagnosed with NEC Bell's stage ≥ 2 were retrospectively included in three academic pediatric surgical centers between January 2005 and January 2013. Clinical data were related to the occurrence of intestinal post-NEC strictures. Post-NEC strictures were defined as clinically relevant strictures with a radiological and/or surgical confirmation of this post-NEC stricture. Results: The median gestational age of the 337 survivors of the acute phase of NEC was 29 weeks (range 24–41) and median birth weight was 1130 g (range 410–4130). Of the survivors, 37 (17%) medically treated NEC patients developed a post-NEC strictures versus 27 surgically treated NEC patients (24%; p = 0.001). Highest C-reactive protein (CRP) level measured during the NEC episode was associated with the development of post-NEC strictures (OR 1.20, 95% confidence interval 1.11–1.32; p = 0.03). No post-NEC strictures were detected in patients with CRP levels < 46 mg/L. Conclusion: This multicenter retrospective cohort study demonstrates an overall incidence of clinical relevant post-NEC strictures of 19%, with a higher rate (24%) in NEC cases treated surgically. Increased CRP levels during the NEC episode were associated with the development of post-NEC strictures.

Originele taal-2Engels
Pagina's (van-tot)1126-1130
Aantal pagina's5
TijdschriftJournal of Pediatric Surgery
Nummer van het tijdschrift7
StatusGepubliceerd - jul. 2016
Extern gepubliceerdJa


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