[Prevention of thromboembolic complications in femoral neck fractures].
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We report upon 167 fractures of the medial femoral neck (166 patients aged 82 years on average) that were treated by hemialloarthroplasty (trunnion hip prosthesis Allo-Pro). 94 patients were followed-up from three to 53 months (average 18 months) postoperatively. 67 patients regained their full physical activity. This operative technique is indicated in fractures with high risk of femoral head necrosis and in patients with reduced physical conditions. We see the advantage of hemialloarthroplasty in the relatively small operative trauma and the possibility of early mobilization.
This prospective study of 1000 femoral neck fractures (476 intertrochanteric and 524 subcapital) found the pre-injury mobility to be the most significant determinant for post-operative survival. The intrahospital mortality of the 975 surgically treated fractures was 11.3 per cent. Non-operatively treated fractures had a mortality of 60 per cent. The best predictors of morbidity and discharge mobility were age and pre-injury mobility. Delay was significant in the development of morbidity but only after 30 h from admission. Internal fixation produced a lower mortality than uncemented hemiarthroplasty. The use of acrylic cement was associated with an increased morbidity and mortality rate in hemiarthroplasties. Neither the grade nor the experience of the operating surgeon had an effect on mortality or morbidity.
In a prospective randomized trial, two methods of internal fixation of femoral neck fractures were compared. Totally, 179 patients with 180 fractures were treated with either two Uppsala screws (n 96) or two Hansson pins (n 84). In all, 130 fractures were primarily displaced (Garden stages III and IV), whereas 88 percent of the fractures in both groups were well reduced. The patients were followed clinically and radiographically for 1 year. Thirty-six patients died within 12 months after the operation. The functional results and the incidence of segmental collapse and nonunion did not differ between the groups. However, at the 4-month follow-up, 2 of 59 of the Garden's stages III and IV in the Uppsala-screw group were found displaced, whereas the corresponding result in the Hansson-pin group was 9 of 52 (P = 0.03).
OBJECTIVE: To estimate clinical effect of spin iliac deep vascular pedicled periosteum flap in repairing traumatic femoral neck of theca inside fracture in young and middle-aged. METHODS: From April 1993 to September 2001, 12 cases of traumatic femoral neck fracture were given diaplastic operation with fixation of 3 centre hollow pressed bolt and were conducted under os traction bed and "C" arm X-ray machine. Spin iliac deep vascular pedicled periosteum flap was stripped off, and transferred to the front of femoral neck fundus, then transplanted to the narrow inside of fracture through outer open door of articular capsule. RESULTS: All patients were followed up for 1-7 years. All fracture healed without femoral head necrosis, but mild arthritis appeared in 7 cases. CONCLUSION: Vascular pedicled periosteum flap transfer of young and middle-aged femoral neck fracture, by decompression of femoral neck and reconstruction of blood circulation, can promote the fracture healing and decrease the wound and blood circulation destroy.