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Updated: Sep 30, 2025

Surgical Closure of Equine Abdomen, Prevention, and Management of Incisional Complications
Published on: May 10, 2024
Morbidity associated with laparotomy-confirmed spontaneous intestinal perforation: A prospective multicenter analysis
Katherine Culbreath1, Gregory Keefe1, Erika M Edwards2
1Department of Surgery and Center for Advanced Intestinal Rehabilitation, Boston Children's Hospital, Boston, MA, USA.
Background:
Differences in morbidities between spontaneous intestinal perforation (SIP) and necrotizing enterocolitis (NEC) are unknown.
Methods:
Prospectively collected multicenter data regarding very low birth weight (VLBW) infants 2015-2019 were analyzed. Diagnosis of SIP or NEC was laparotomy-confirmed in all patients. Multivariable regression modeling was used to assess adjusted length of stay (LOS; primary outcome) and adjusted risk ratios (ARR) for weight <10th percentile at discharge, and supplemental oxygen requirement at discharge.
Results:
Of 201,300 VLBW infants at 790 hospitals, 1523 had SIP and 2601 had NEC. Adjusted LOS was similar for SIP and NEC (92 vs 88 days, p = 0.08561), but significantly higher than seen without SIP or NEC (68 days, p<0.0001). The risk of growth morbidity at discharge was similar between SIP and NEC (74.2% vs 75.3%; ARR:1.00;0.94,1.06), but higher than infants without SIP or NEC (47.7%; ARR:0.50;0.47,0.53). Infants with NEC were less likely to require supplemental oxygen at discharge than infants with SIP (24.4% vs 34.9%; ARR:0.80; 0.71,0.89).
Conclusions:
Although mortality is known to be lower in VLBW infants with SIP than NEC, this study highlights the similarly high morbidity experienced by both groups of infants. These benchmark data can help align counseling of families with expected outcomes.
Level Of Evidence:
Level II.
Type Of Study:
Prognosis study (Cohort Study).
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