Introduction: Multiple studies have documented the safety of intestinal anastomosis after resection for necrotizing enterocolitis (NEC). We sought to evaluate a large population of infants with surgical NEC and assess outcomes after primary anastomosis versus enterostomy.
Methods: The Pediatric Health Information System database was used to identify infants with Bell Stage 3 NEC who underwent an intestinal resection for acute disease between 2016 and 2021. Demographics and preoperative physiology were assessed, and nutritional, infectious, and surgical outcomes were analyzed.
Results: Two hundred twenty-two infants at 38 children's hospitals were included. Thirty-five (15.8%) were managed with a primary anastomosis. Among infants who underwent a resection within 10 d of their first operative intervention and survived for at least 3 d, a primary anastomosis was used in 26 (13.7%). These patients were older but had similar weight and physiological status at the time of resection as those managed with an enterostomy. The incidence of wound and infectious complications, duration of parenteral nutrition and length of stay were similar after anastomosis or enterostomy.
Conclusions: In a large, geographically heterogenous population of infants with NEC, only 15.8% were managed with a primary anastomosis after intestinal resection. Survivors who underwent resection within 10 d were demographically and physiologically comparable to those who underwent enterostomy and had similar surgical outcomes. While there are clearly indications for enterostomy in some infants with NEC, these data confirm the conclusions of smaller, single-center studies that a primary anastomosis should be considered more frequently.
Keywords: Anastomosis; Necrotizing enterocolitis; Outcomes; Stoma; Surgery.
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