Introduction Craniosynostosis represents premature closure of cranial sutures. Prevalence is approximately 3.1–6.4 in 10.000 live births, which is reportedly rising. This epidemiologic study aims to provide insight into this rise through an accurate description of the prevalence, exploring regional variation and change over time. Methods The Dutch Association for Cleft Palate and Craniofacial Anomalies was consulted to identify patients with craniosynostosis born between 2008 and 2013. Data were verified using data provided by all hospitals that treated these patients. The following data were collected: date of birth, gender, diagnosis and postal code. Previously reported data from 1997 until 2007 were included to assess for change in prevalence over the years. Results Between 2008 and 2013 759 patients with craniosynostosis were born in the Netherlands. Prevalence of craniosynostosis was 7.2 per 10.000 live births. Sagittal synostosis was the most common form (44%). Poisson regression analysis showed a significant mean annual increase of prevalence of total craniosynostosis (+12.5%), sagittal (+11.7%) and metopic (+20.5%) synostosis from 1997 to 2013. Conclusion The prevalence of craniosynostosis is 7.2 per 10.000 live born children in the Netherlands. Prevalence of total craniosynostosis, sagittal and metopic suture synostosis has risen significantly from 1997 until 2013, without obvious cause.

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Keywords Birth defect, Craniofacial, Craniosynostosis, Prevalence
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Journal Journal of Cranio-Maxillofacial Surgery
Cornelissen, M.J, Ottelander, B.D. (Bianca den), Rizopoulos, D, van der Hulst, R, Mink Van Der Molen, A.B, van der Horst, C.M.A.M, … Mathijssen, I.M.J. (2016). Increase of prevalence of craniosynostosis. Journal of Cranio-Maxillofacial Surgery, 44(9), 1273–1279. doi:10.1016/j.jcms.2016.07.007