“Craniometric Analysis of Endoscopic Suturectomy for Bilateral Coronal Craniosynostosis.”

Background: Endoscopic suturectomy and helmeting represents a successful first-line surgical treatment for bilateral coronal craniosynostosis. Its effect on cranial morphology has not been previously described. Methods: Patients were identified who had bilateral coronal craniosynostosis treated with endoscopic suturectomy and postoperative helmeting at Boston Children's Hospital between 2005 and 2013 and who received pre- and post-operative CT scans. Two normative patient populations were identified from our trauma registry with CT scans completed at the same age as our pre- and post-treatment scans. Craniometric indices were utilized to quantify the effect of treatment. Results: Twenty-seven patients were identified who underwent bilateral coronal suturectomy. Twelve patients had preoperative and postoperative CT studies. Eight patients (66.7%) were syndromic. The average ages for preoperative and postoperative CT scan was 1.1 months (0.03–2.6) and 19.6 months (10.8–37.5). Thirteen patients with an average age of 1.1 months (0.5–1.6) were identified as a preoperative control group. Fourteen patients with an average age of 18.5 months (15.5–22.9) were identified as a postoperative control group. The anterior cranial height (ACH) stabilized with treatment and the anterior cranial base length increased (ACBL). The ACH:ACBL ratio significantly decreased with treatment (p=0.128). Frontal bossing normalized with endoscopic suturectomy (CS vs control; pre-op: p=0.001, post-op (p=0.8). Cephalic indices also normalized with treatment (CS vs control; pre-op: p=0.02, post-op, p=0.13). No cases of hydrocephalus were observed. Conclusion: Endoscopic suturectomy and helmeting improves anterior turricephaly and corrects frontal bossing and brachycephaly in patients with bilateral coronal craniosynostosis. FD - None of the authors has a financial interest in any of the products, devices, or drugs mentioned in this manuscript. Corresponding author: S. Alex Rottgers MD, Assistant Professor of Plastic Reconstructive Surgery, John Hopkins All Children's Hospital, Division of Plastic and Reconstructive Surgery, 601 Fifth Street South, Suite 306, St. Petersburg, FL. srottge1@jhmi.edu ©2018American Society of Plastic Surgeons

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