Pedicle screw fixation in treatment of acute Hangmans fracture and spinal cord injury / 中华创伤骨科杂志

ABSTRACT

Objective To evaluate the clinical outcomes of pedicle screw fixation in the treatment of Hangmans fracture. Methods The 15 patients who had been treated for acute Hangmans fracture in our department after 1999 were retrospectively analyzed. 4 of them were type I, and 11 type II. All the patients presented symptoms of nerve system at different degrees. They were treated with AO pure titanium cortex screw through isthmus after skull traction replacement. Results All the patients were followed up for 12 to 60 months. According to Frankle classification, 6 cases of Grade D and 5 cases of Grade C recovered up to Grade E, 2 cases of Grade C recovered to Grade D, 1 case of Grade B recovered to Grade C and 1 case of Grade B recovered to Grade D. X ray showed all the fractures healed up without vertebra artery injury or other complications. Conclusion The outcomes of pedicle screw fixation and reduction in treatment of acute Hangmans fracture are satisfactory, for the clinic technique promotes functional recovery of spinal cord, decreases the rate of infection and scarcely affects the function of upper cervical spine.