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  • Title: The Use of External Ventricular Drainage to Reduce the Frequency of Wound Complications in Myelomeningocele Closure.
    Author: McDowell MM, Lee PS, Foster KA, Greene S.
    Journal: Pediatr Neurosurg; 2018; 53(2):100-107. PubMed ID: 29316543.
    Abstract:
    INTRODUCTION: Myelomeningocele (MMC) is an open neural tube defect routinely surgically closed within 48 h of birth to prevent secondary infection. Up to 18% of patients experience wound complications, and 85% require shunting for hydrocephalus. We hypothesized that wound complications could be reduced by cerebrospinal fluid (CSF) diversion at the time of closure. METHODS: Institutional review board approval was obtained to review records of the 88 patients who underwent MMC closure between January 2005 and June 2016 at the Children's Hospital of Pittsburgh. Twenty-three patients (26%) had an external ventricular drain (EVD) placed at the time of MMC closure and underwent 7-11 days of CSF drainage. Fourteen patients (16%) had a shunt placed at the time of MMC closure, and 51 (58%) had no form of CSF diversion at the time of MMC closure. RESULTS: Patients with an EVD or shunt placed at the time of closure had no wound complications. In contrast, 8 patients (16%) without CSF diversion at closure developed wound complications (p = 0.048). Seven of the 8 wound complications occurred in the 71 patients with evidence of hydrocephalus at birth (p = 0.98). Of patients with evidence of hydrocephalus at the time of MMC closure, wound complications had a higher rate of occurrence among patients who did not receive a shunt or EVD at closure (p = 0.01). When comparing only patients with evidence of hydrocephalus at birth, the EVD group alone had a lower rate of wound complications than patients who did not receive CSF diversion at the time of closure (p = 0.031). CONCLUSIONS: These results suggest that addressing hydrocephalus at the time of MMC closure significantly reduces the likelihood of wound complications and may justify temporary CSF diversion at birth, at least in those patients manifesting hydrocephalus.
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