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Published on: August 4, 2020
Cranial Reconstruction Using Autologous Bone and Methylmethacrilate
Nenad Novaković1, Ana Malivuković, Ljubodrag Minić
1*Department of Neurosurgery, Military Medical Academy †Department of Plastic and Reconstructive Surgery, Military Medical Academy ‡Innovation Center of the Faculty of Technology and Metallurgy, University of Belgrade §Department for Peripheral Nerve Surgery, Functional Neurosurgery and Pain Management Surgery, Clinic for Neurosurgery, Clinical Center of Serbia, Belgrade, Serbia.
Comparing autologous bone and methylmethacrylate grafts for calvarial reconstruction, this study found that graft material significantly impacts infection rates, particularly in large defects. Further research is needed to confirm these findings for complex reconstructions.
Area of Science:
- Neurosurgery
- Biomaterials Science
- Medical Engineering
Background:
- Calvarial reconstruction is crucial for patient recovery.
- Autologous bone and methylmethacrylate are common graft materials.
- Understanding complication rates is essential for optimal patient outcomes.
Purpose of the Study:
- To compare complication rates between autologous bone and methylmethacrylate grafts in calvarial reconstruction.
- To identify factors influencing these complication rates.
Main Methods:
- A retrospective analysis of 149 patients undergoing cranial reconstructive surgery.
- Comparison of procedures using autologous bone flaps versus methylmethacrylate implants.
- Statistical analysis using the Chi-squared test, controlling for defect size.
Main Results:
- The overall complication rate was 7.4%, with an infection rate of 5.4%.
- Methylmethacrylate grafts showed a significantly higher infection rate (11.3%) compared to autologous bone (2.1%).
- This difference was significant only in large defects, not small ones, after controlling for defect size.
Conclusions:
- Graft material type influences infection rates in calvarial reconstruction, especially for large and complex defects.
- The choice of material may be critical in minimizing complications for specific defect types.
- Further research is warranted to validate the impact of material choice on complication rates.

