Matthew L Speltz1, Kathy Kapp-Simon, Brent Collett, Yona Keich, Rebecca Gaither, Mary M Cradock, Lauren Buono, Michael L Cunningham. 1. Seattle, Wash.; Chicago and Westchester, Ill.; St. Louis, Mo.; and Atlanta, Ga. From the Departments of Psychiatry and Behavioral Sciences, Epidemiology, and Pediatrics, University of Washington; Outpatient Child Psychiatry Department and Children's Craniofacial Center, Children's Hospital and Regional Medical Center; Department of Clinical Surgery, Northwestern University; Cleft Lip and Palate Institute; Department of Psychology, St. Louis Children's Hospital; and Department of Neuropsychology, Children's Health Care of Atlanta.
Abstract
BACKGROUND: The hypothesized association between single-suture craniosynostosis and neurodevelopment remains unclear, given the methodologic limitations of previous studies, most notably the absence of control groups. METHODS: Standardized measures were used to assess the neurodevelopment of 125 matched case-control pairs shortly after cases were first diagnosed with isolated fusions of the sagittal, metopic, lambdoid, or right or left coronal sutures. Participants varied in age from 2 to 24 months. RESULTS: Cases had significantly lower mean standardized scores than controls on measures of cognitive ability and motor functioning (p < 0.02). These differences were unaffected by the location of synostosis, age of diagnosis, infant sex, and maternal IQ. Measures of early language functions revealed no group differences. CONCLUSIONS: Before cranioplasty, single-suture craniosynostosis is associated with modest but reliable neurodevelopmental delays that cannot be attributed to maternal intelligence and family sociodemographic variables. Follow-up of this sample will determine the predictive significance of these delays. In the meantime, routine neurodevelopmental screening of infants with isolated craniosynostosis is recommended.
BACKGROUND: The hypothesized association between single-suture craniosynostosis and neurodevelopment remains unclear, given the methodologic limitations of previous studies, most notably the absence of control groups. METHODS: Standardized measures were used to assess the neurodevelopment of 125 matched case-control pairs shortly after cases were first diagnosed with isolated fusions of the sagittal, metopic, lambdoid, or right or left coronal sutures. Participants varied in age from 2 to 24 months. RESULTS: Cases had significantly lower mean standardized scores than controls on measures of cognitive ability and motor functioning (p < 0.02). These differences were unaffected by the location of synostosis, age of diagnosis, infant sex, and maternal IQ. Measures of early language functions revealed no group differences. CONCLUSIONS: Before cranioplasty, single-suture craniosynostosis is associated with modest but reliable neurodevelopmental delays that cannot be attributed to maternal intelligence and family sociodemographic variables. Follow-up of this sample will determine the predictive significance of these delays. In the meantime, routine neurodevelopmental screening of infants with isolated craniosynostosis is recommended.
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