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Transplanted demineralized bone graft in cranial reconstructive surgery
S D Moss1, E Joganic, K H Manwaring
1Phoenix Children's Hospital, AZ 85006, USA.
Pediatric Neurosurgery
|January 1, 1995
Summary
Perforated demineralized bone matrix effectively repairs skull defects in pediatric craniofacial surgery, promoting new bone growth for complete closure. This offers a viable alternative for cranial reconstruction when autogenous bone is insufficient.
Area of Science:
- Neurosurgery
- Pediatric Craniofacial Surgery
- Biomaterials in Medicine
Background:
- Cranial reconstruction often faces challenges with insufficient autogenous bone, especially in young children.
- Existing methods like rib or iliac crest grafts increase donor site morbidity.
- Split-thickness skull autografts are limited in children under six due to insufficient bone thickness.
Observation:
- Perforated demineralized bone matrix (DBM) was used in 46 operations across 42 pediatric patients between 1990 and 1995.
- Applications included repair of residual skull defects post-craniofacial repair, primary synostosis reconstruction, and defects from trauma or tumor excision.
- The majority of DBM grafts resulted in complete defect closure.
Findings:
- Perforated demineralized bone matrix serves as a successful matrix for new bone formation in cranial defects.
- This biomaterial facilitates complete closure of various skull defects in pediatric patients.
- The technique demonstrated efficacy in complex craniofacial reconstructions and trauma cases.
Implications:
- Perforated DBM provides a valuable alternative to autogenous bone grafts in pediatric cranial reconstruction.
- It potentially reduces donor site morbidity associated with traditional grafting methods.
- This approach offers a promising solution for achieving complete cranial vault closure in challenging pediatric cases.