Comparison of the effects of proximal femoral locking compression plate and cannulated screws in the treatment of Pauwels Ⅲ femoral neck fracture
Objective To investigate the curative effect of proximal femoral locking compression plate and cannulated screws in the treatment of Pauwels Ⅲ femoral neck fracture in young and middle-aged adults.Methods From January 2011 to December 2021,62 patients with Pauwels Ⅲ femoral neck fracture were enrolled,including 42 males and 20 females.All were divided into 2 groups according to the random number list method.Group A(general group):fracture fixation by three half-thread cannulated screws;n=31;20 males and 11 females.Group B(control group):fracture fixation by proximal femoral locking compression plate;n=31;22 males and 9 females.All patients were followed up for 12 months to observe the prognosis.The operation time and fracture nonunion rate were compared in both groups.The reduction quality of the fracture was analyzed and the femoral neck shortening of the affected side was measured.Harris score of the hip joint was assessed.Results There was no significant difference in operation time between the two groups(P>0.05).There was no significant difference in femoral head necrosis rate between the two groups(P>0.05).There were 10 cases of screw loosening,9 cases in Group A and 1 case in Group B with statistically significant difference(P=0.010).There were 9 cases of femoral neck shortening,8 cases in Group A and 1 case in Group B with statistically significant difference(P=0.012).There were 11 cases of femoral neck fracture nonunion,9 cases in Group A and 2 cases in Group B with statistically significant difference(P=0.018).Effects were evaluated in both Group A and B 12 months after the operation,and the average Harris hip scores were(60.37±4.82)and(75.57±9.13)with statistically significant difference(P=0.031).Conclusions Compared with fracture fixation by three half-thread cannulated screws,fracture fixation by proximal femoral locking compression plate can improve the treatment effects,providing new options for the treatment of Pauwels Ⅲ femoral neck fracture.
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