Prognostic value of newborn hearing screening in patients with myelomeningocele

David Satzer, Daniel J. Guillaume

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Object. Brainstem dysfunction occurs in a minority of patients with myelomeningocele (MMC), most of whom have Chiari Type II malformation. Some surgeons advocate early identification of these patients for craniocervical decompression to avoid significant mortality. The auditory brainstem response has been found to be abnormal in most children with MMC. The present study examines whether failure of routine newborn hearing screening (NHS) predicts brainstem dysfunction in MMC patients. Methods. The charts of 40 newborns with MMC and 50 newborns without MMC who stayed in the neonatal intensive care unit were reviewed. Results of NHS, brainstem symptoms, birth demographics, and surgical history were retrospectively examined. Differences in the presence and onset of brainstem symptoms by NHS result were assessed. Results. Failure of NHS was more common among newborns with MMC who developed brainstem symptoms (31%, 4 of 13 patients) than among newborns without MMC (0%, 0 of 50 patients; p = 0.001). Among the 40 newborns with MMC, brainstem symptoms were more common in those who failed NHS (80%, 4 of 5 patients) than in those who passed (26%, 9 of 35 patients; p = 0.031). Respiratory symptom onset occurred later in patients who failed NHS (median 16 months) than among those who passed (median 0 months; p = 0.022). The positive and negative predictive values of NHS for brainstem dysfunction in MMC were 0.80 and 0.74, respectively. Conclusions. Results of NHS may help predict future brainstem dysfunction in patients with MMC and may be useful to incorporate into prognostic assessment and surgical decision making.

Original languageEnglish (US)
Pages (from-to)495-500
Number of pages6
JournalJournal of Neurosurgery: Pediatrics
Volume14
Issue number5
DOIs
StatePublished - Nov 2014

Bibliographical note

Publisher Copyright:
© AANS, 2014.

Keywords

  • Brainstem dysfunction
  • Congenital
  • Myelomeningocele
  • Newborn hearing screening

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