OBJECTIVE
Necrotizing enterocolitis (NEC) and posthemorrhagic hydrocephalus are both conditions that can affect preterm infants. The peritoneum is the preferred terminus for shunt placement, but another terminus is sometimes used due to subjective concerns about infection and complications related to NEC. The aim of this study was to examine the rates of ventriculoatrial (VA) and ventriculoperitoneal (VP) shunt infection and failure in pediatric patients with a history of NEC.
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A single-center retrospective review of medical records from 2009 to 2021 was performed to identify pediatric patients with NEC who underwent shunt placement before 2 years of age. Patients were excluded if shunt placement preceded NEC diagnosis. Patient demographic characteristics, timing of shunt placement, type of shunt, shunt infections or revisions, and timing and management of NEC were extracted. The Student t-test and Fisher exact test were used to calculate significance. Kaplan-Meier curves were calculated.
RESULTS
Twenty-two patients met the inclusion criteria. Most patients underwent VP shunt placement (16 [71.4%]). Patients who underwent surgical management of NEC compared with those who underwent medical management were more likely to have a VA shunt placed (p = 0.02). One VA shunt and 3 VP shunts became infected during follow-up (p = 0.7). The mean time until infection was not significantly different between VA and VP shunts (p = 0.73). Significantly more VA shunts required revision (83% vs 31%, p = 0.04), and VA shunts had a significantly shorter time until failure (3.0 ± 0.8 vs 46.3 ± 7.55 months, p = 0.03).
CONCLUSIONS
VP shunts had a significantly longer time until failure than VA shunts; these shunts had similar infection rates in infants with prior NEC. When feasible, neurosurgeons and pediatric general surgeons can consider placing a VP shunt even if the patient has a history of NEC.
