Abstract
Spring-mediated cranioplasty is a useful treatment modality for correcting scaphocephalic head shape in sagittal craniosynostosis because it is less invasive than whole-vault cranioplasty and offers durable morphologic outcomes. Herein, the authors provide a multimedia demonstration of alternative operative approaches for spring-mediated cranioplasty for sagittal craniosynostosis.The video can be found here: https://vimeo.com/511256259
Highlights
The primary goals of spring-mediated cranioplasty for the correction of sagittal craniosynostosis is to sufficiently transversely expand the parietal bones to reverse midvault craniocerebral disproportion, and to correct head shape deformity and prevent associated neurocognitive impairment
Spring-mediated cranioplasty is typically our institution’s treatment of choice for infants presenting with isolated, nonsyndromic sagittal craniosynostosis prior to age 5 months depending on phenotypic severity and gestational age
The cranial springs are loaded onto a force dynamometer at a 1.5-cm width in order to simulate force exertion across the planned strip craniectomy defect
Summary
The primary goals of spring-mediated cranioplasty for the correction of sagittal craniosynostosis is to sufficiently transversely expand the parietal bones to reverse midvault craniocerebral disproportion, and to correct head shape deformity and prevent associated neurocognitive impairment. The cranial springs are loaded onto a force dynamometer at a 1.5-cm width in order to simulate force exertion across the planned strip craniectomy defect. Cranial springs are created at varying lengths (typically 8–16 cm), varying bend widths, and with an alternative wire diameter (0.059 inch) in order to alter the resultant spring force.
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