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Objective:To analyse the long-term effect treated the cervical spinal cord injury.Materials and methods:295 patients suffered from the cervical spinal cord injury,C4-7,with fracture and dislocation underwent the surgery.There were 196 male and 99 female in this group.The mean age of them was 30.5(18~78) years.There were 140 cases with cervical fracture,119 cases with cervical fracture and dislocation,20 cases with dislocation,and 16 cases with articular process wringed in this group.According to the classification of Frankel,grade A was in 20 cases,grade B in 91,grade C in 124,and grade D in 60.The mean of the injury history was 4.5 days with a range of 5 hours~12 weeks.236 patients were treated with anterior enlarged decompression.31 patients were treated by posterior approach surgery.28 patients were treated by anterior and posterior surgery one time.