Objective: To evaluate the prevalence of sleep-disordered breathing (SDB) in infants with myelomeningocele (MMC) and the effect of fetal repair on SDB.
Study Design: We conducted a retrospective cohort study of infants with MMC admitted to a pediatric hospital (2007-2017). Pneumocardiogram (PCG) results, a measure of SDB, were compared between infants who underwent fetal MMC (fMMC) versus postnatal MMC repair.
Result: Of 118 eligible infants, 17 (14%) underwent fetal repair. Of these, 106 (90%) had PCG studies; abnormal PCG results were common but not different between fMMC (n = 12, 92%) and postnatal repair groups (n = 72, 77%, p = 0.22). Among infants with abnormal results, central apnea events >10 s (median 16 vs. 3 events, p = 0.02) and percentage of time spent in periodic breathing (median 15% vs. 7%, p = 0.01) were greater in the fMMC group.
Conclusion: SDB was common among all MMC infants regardless of repair timing, indicating a need for standard screening recommendations.
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