Background: The aim of this study is to identify if certain types of craniosynostosis and/or surgical procedures are more likely to require a secondary intracranial procedure because of insufficient correction of skull shape or raised ICP after initial surgery. Methods: All consecutive cases with craniosynostosis that were operated at our center between January 2010 and January 2019 were included and the number of secondary operations of the vault were determined, as well as diagnosis, the indication and type and timing of initial surgery. Monobloc and facial bipartition procedures were excluded. Results: Over a nine year period, 790 vault corrections were performed in 780 patients of which 38 procedures were reoperations in 35 patient because of raised intracranial pressure or an insufficient esthetic result of the skull shape. Particularly patients with a multisutural or syndromic craniosynostosis are represented in this group, as well as three surgical procedures: 1. biparietal outfracturing for sagittal synostosis; 2. endoscopic stripcraniectomy with helmet therapy for unicoronal, multisutural or syndromic craniosynostosis; 3. conventional occipital expansion for syndromic craniosynostosis. Conclusions: The risk of a second intracranial correction for insufficient outcome of skull shape or for raised ICP is related to type of synostosis and type of initial surgical technique. Particularly multisutural and syndromic craniosynostosis are more likely to require repeat surgery for these indications. Concerning initial technique, biparietal outfracturing does not correct sagittal synostosis sufficiently, stripcraniectomy with helmet therapy appears to undercorrect unicoronal, multisutural and syndromic synostosis, and conventional occipital expansion for multisutural and syndromic synostosis has poorer outcome than occipital expansion with distraction.

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Journal of Plastic, Reconstructive and Aesthetic Surgery

Mathijssen, I.M.J. (Irene M.J.), Wolvius, E.B, Spoor, J.K.H, van Veelen-Vincent, M.L.C, & Versnel, S.L. (2020). Secondary vault reconstruction after open or minimal invasive correction for unisutural, multisutural or syndromic craniosynostosis: A cohort study on the impact of diagnosis and type of initial surgical technique. Journal of Plastic, Reconstructive and Aesthetic Surgery. doi:10.1016/j.bjps.2020.10.049