Cranial bone structure in children with sagittal craniosynostosis: Relationship with surgical outcomes

While spring-assisted cranioplasty has become a widespread technique to correct scaphocephaly in children with sagittal synostosis, predicting head shape changes induced by the gradual opening of the springs remains challenging. This study aimed to explore the role of cranial bone structure on surgi...

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Bibliographic Details
Published in:Journal of plastic, reconstructive & aesthetic surgery reconstructive & aesthetic surgery, 2017-11, Vol.70 (11), p.1589-1597
Main Authors: Rodriguez-Florez, Naiara, Ibrahim, Amel, Hutchinson, J. Ciaran, Borghi, Alessandro, James, Greg, Arthurs, Owen J., Ferretti, Patrizia, Dunaway, David, Schievano, Silvia, Jeelani, N. U. Owase
Format: Article
Language:English
Subjects:
3D scanning
Cephalometry - methods
Cranial bone
Cranial Sutures - diagnostic imaging
Cranial Sutures - surgery
Craniosynostoses - diagnosis
Craniosynostoses - surgery
Craniosynostosis
Craniotomy - methods
Female
Follow-Up Studies
Humans
Imaging, Three-Dimensional
Infant
Male
Micro-CT
Reconstructive Surgical Procedures - methods
Retrospective Studies
Spring-assisted cranioplasty
Treatment Outcome
X-Ray Microtomography
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Summary:While spring-assisted cranioplasty has become a widespread technique to correct scaphocephaly in children with sagittal synostosis, predicting head shape changes induced by the gradual opening of the springs remains challenging. This study aimed to explore the role of cranial bone structure on surgical outcomes. Patients with isolated sagittal synostosis undergoing spring-assisted cranioplasty at GOSH (London, UK) were recruited (n = 18, age: 3–8 months). Surgical outcome was assessed by the change in cephalic index measured on 3D head scans acquired before spring insertion and after their removal using a 3D handheld scanner. Parietal bone samples routinely discarded during spring-assisted cranioplasty were collected and scanned using micro-computed tomography. From visual assessment of such scans, bone structure was classified into one- or three-layered, the latter indicating the existence of a diploë cavity. Bone average thickness, volume fraction and surface density were computed and correlated with changes in cephalic index. Cephalic index increased for all patients (p 
ISSN:1748-6815
1878-0539
DOI:10.1016/j.bjps.2017.06.017