الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Purpose: The aim of this study is to evaluate the clinical and radiological outcome of postero-lateral lumbar fusion using harvested bone from the surgical field with or without bone substitute. Materials and methods: Files of patients, who fulfilled the criteria of inclusion, will be reviewed for clinical and radiographic data that will be recorded, tabulated and statistically analyzed. The patients will be asked for clinical evaluation and radiological evaluation by using plain radio-graphs which will include plain x-ray AP, lateral and dynamic views (lateral in flexion and extension) but if the fusion is in suspicion, CT scan will be done. Results: The study demonstrated the same radiographic fusion rates and similar improvement of clinical outcomes and life quality of both groups, thus suggesting that bone substitute provide an effective and reliable alternative to autogenously bone graft for spinal fusion. Conclusions: This retrospective study showed that the instrumented postero-lateral fusion with the harvested bone combined with bone substitute has achieved the same radiographic fusion rates and similar improvement of clinical outcomes and life quality one year after surgery, compared with the harvested bone alone. So it is highly advised to use the bone substitute combined with local bone from decompression for instrumented postero-lateral fusion of lumbar spine when local bone obtained at decompression is insufficient.