Published in:
01-03-2018 | Original Paper
Length of synostosis and segmented intracranial volume correlate with age in patients with non-syndromic sagittal synostosis
Published in: Child's Nervous System | Issue 3/2018
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Purpose
The aim of this study is to compare the length of synostosis and segmented intracranial volume (SIV) with age in children with non-syndromic sagittal synostosis.
Methods
Thirty-three consecutive patients (22 boys) who had been operated by cranial vault remodeling because of sagittal synostosis were compared retrospectively from 3D-CT imaging data sets obtained from volumetric CT. The mean age of the patients at preoperative CT imaging was 0.49 (range 0.13–1.3) years and at 1-year postoperative imaging 1.8 (range 1.3–3) years. The mean interval between preoperative CT imaging and surgery was 0.25 (range 0–0.8) years. Pearson’s correlation and Student’s t test were used in the statistical analyses.
Results
Length of sagittal synostosis correlated positively with age at preoperative CT (r = 0.688, p < 0.01). Children with total synostosis (n = 9) were significantly older (mean age 0.74 vs. 0.4 years, p < 0.01) than those with partial synostosis. Of partial synostoses, 9 were located anteriorly, 3 in the middle, and 12 posteriorly. The mean synostosis ratio (synostosis length/total sagittal suture length × 100) was 83%. Preoperative SIV correlated positively with age at preoperative CT (r = 0.788, p < 0.01), whereas the 1-year postoperative SIV did not correlate with age at operation. The older the child at the time of the operation, the less the percentage SIV increased.
Conclusions
Length of sagittal synostosis and SIV increased with age.