Related Experiment Video
Updated: Jun 12, 2026
10:35
Microvascular Decompression: Salient Surgical Principles and Technical Nuances
Published on: July 5, 2011
Spring-mediated cranioplasty for scaphocephaly: techniques and outcomes
Maura R Guyler1, David P Perrault1, Kirin Naidu1
1Division of Plastic, Reconstructive, and Oral Surgery, Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA, 19104, USA.
Summary
Spring-mediated cranioplasty (SMC) offers durable correction for sagittal craniosynostosis, showing sustained long-term improvement in cranial index. Further research is needed to optimize SMC and adjunct therapies.
Area of Science:
- Neurosurgery
- Pediatric Surgery
- Craniofacial Surgery
Background:
- Sagittal craniosynostosis is a common condition requiring surgical intervention.
- Spring-mediated cranioplasty (SMC) is a minimally invasive technique for treating sagittal craniosynostosis.
Purpose of the Study:
- To describe the surgical technique for SMC.
- To evaluate the long-term morphometric outcomes of SMC for sagittal craniosynostosis.
Main Methods:
- Retrospective review of patients undergoing SMC for sagittal craniosynostosis (2011-2019).
- Analysis of demographic variables, perioperative data, spring characteristics, and cranial index (CI).
- Longitudinal CI changes assessed using mixed-effects models; comparison of 2 vs. 3 springs using Mann-Whitney U tests.
Main Results:
- Seventy subjects included; 74% received springs only, 26% also had post-operative helmeting.
- Mean pre-operative CI was 0.67; mean post-operative CI at >10 years was 0.76 (non-helmeted) and 0.74 (helmeted).
- No significant difference in CI change between 2 or 3 springs, despite different forces; regression indicated force varies with spring number.
Conclusions:
- SMC provides durable and sustained long-term correction of sagittal craniosynostosis, evidenced by improved cranial index.
- Further research is required to identify predictors of CI change and the role of adjunct therapies like helmeting.
