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Biological Compatibility Profile on Biomaterials for Bone Regeneration
Published on: November 16, 2018
New method of pediatric cranioplasty for skull defect utilizing polylactic acid absorbable plates and carbonated
Anders J Cohen1, Rob D Dickerman, Steven J Schneider
1Department of Neurosurgery, North Shore University-Long Island Jewish Health System, New Hyde Park, NY, USA.
Insights
This study presents a novel technique for pediatric cranial defect repair using polylactic acid plates and bone cement. The method shows promising results for cranioplasty in children, avoiding long-term foreign bodies.
Area of Science:
- Neurosurgery
- Biomaterials Science
- Pediatric Orthopedics
Background:
- Pediatric skull defects require specialized repair techniques due to the skull's dynamic nature, unlike rigid fixation used in adults.
- Existing methods may involve long-term foreign materials, posing potential complications in growing children.
Purpose of the Study:
- To evaluate a novel technique for pediatric cranial defect repair using polylactic acid (PLA) plates and carbonated apatite (CA) bone cement.
- To assess the safety and efficacy of this combined PLA/CA method in pediatric cranioplasty.
Main Methods:
- A cohort of 34 pediatric patients with cranial defects underwent repair using PLA plates and CA bone cement.
- Postoperative assessments included 3D computed tomography (CT) scans at day 3 and 3 months.
- Long-term follow-up extended up to 60 months to monitor for complications and failures.
Main Results:
- The technique was successfully applied to repair cranial defects of various sizes in 34 pediatric patients.
- Postoperative imaging at 3 days and 3 months showed successful defect closure.
- No complications or failures were reported during the follow-up period of up to 60 months.
Conclusions:
- The combination of polylactic acid plates and carbonated apatite bone cement offers a safe and effective solution for pediatric cranioplasty.
- This technique minimizes the need for permanent implants and allows for potential tissue integration.
- The method demonstrates excellent short- and long-term outcomes in pediatric patients with cranial defects.
Abstract:
Cranial defect repair in the pediatric population requires a variety of special considerations. The pediatric skull has a dynamic nature that prohibits the use of rigid fixation, which is commonly applied in the adult population. A technique using a combination of polylactic acid plates and carbonated apatite bone cement has been devised by our group. Skull defects of varying sizes were repaired in 34 pediatric patients. Patients were examined on postoperative day 3 and at 3 months via three-dimensional computed tomography scans. Patients have been followed up to 60 months after surgery without complications or failures to date. This method benefits the pediatric patients undergoing cranioplasty by minimizing the insertion of long-term foreign bodies and allows the possibility for transformation of this construct into viable tissue.

