Hau Grosch, Eva-Maria; Meyer, Sarah C; Berger, Steffen; Goutaki, Myrofora; Kordasz, Marcin; Kessler, Ulf (2019). Gastrointestinal sequelae after surgery for necrotising enterocolitis: a systematic review and meta-analysis. Archives of disease in childhood - fetal and neonatal edition, 104(3), F265-F273. BMJ Publishing Group 10.1136/archdischild-2017-314435
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OBJECTIVES
To document what types of gastrointestinal sequelae were described after surgery for necrotising enterocolitis (NEC) and to analyse their frequency.
DESIGN
Systematic review and meta-analysis.
DATA SOURCES
Medline, EMBASE and the Cochrane library (CENTRAL) from 1990 to October 2016.
ELIGIBILITY CRITERIA FOR SELECTING STUDIES
We included studies, which provided original data on the occurrence of gastrointestinal sequelae in patients surviving surgery for NEC. Meta-analysis and metaregression to assess heterogeneity were performed for studies including 10 or more patients with gastrointestinal strictures, recurrence of NEC, intestinal failure (IF) and adhesion ileus.
RESULTS
Altogether 58 studies, including 4260 patients, met the inclusion criteria. Strictures were reported to occur in 24% (95% CI 17% to 31%) of surviving patients, recurrence of NEC in 8% (95% CI 3% to 15%), IF in 13% (95% CI 7% to 19%) and adhesion ileus in 6% (95% CI 4% to 9%). Strictures were more common following enterostomy (30%; 95% CI 23% to 37%) than after primary anastomosis (8%; 95% CI 0% to 23%) and occurred more often after enterostomy without bowel resection than with bowel resection. We found considerable heterogeneity in the weighted average frequency of all sequelae (I range: 38%-90%). Intestinal outcomes were poorly defined, there were important differences in study populations and designs, and the reported findings bear a substantial risk of bias.
CONCLUSIONS
Gastrointestinal sequelae in neonates surviving surgery for NEC are frequent. Long-term follow-up assessing defined gastrointestinal outcomes is warranted.
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