Effect of fixation of posterior malleolus fracture of Haraguchi type Ⅱ on ankle joint function
Objective To investigate the effect of fixation of posterior malleolar fractures of Haraguchi type Ⅱ on ankle function in trimalleolar fractures.Methods A total of 118 patients with trimalleolar fractures accompanied with posterior malleolar fractures of Haraguchi type Ⅱ who treated by surgery were selected as the study subjects,and divided into the fixation group(57 cases)and the non-fixation group(61 cases)based on whether the posterior malleolus was fixed during the operation.The operation related indicators,American Orthopaedic Foot and Ankle Society(AOFAS)ankle-hindfoot score,and the excellent and good rate of ankle function recovery were compared between the two groups.Results There was no significant difference in the operation time,intraoperative blood loss,hospital stay,fracture healing time,complete weight-bearing time or postoperative joint flatness between the two groups(P<0.05).At the end of the follow-up,the pain score and total score of the AOFAS ankle-hindfoot scale in the fixation group were higher than those in the non-fixation group,with statistically significant differences(P<0.05);and the excellent and good rate of ankle function recovery in the fixation group was higher than that in the non-fixation group,with statistically significant difference(P<0.05).Conclusion Surgical treatment for the trimalleolar fractures accompanied with posterior malleolar fractures of Haraguchi type Ⅱ can achieve satisfactory clinical outcome,and the fixation of posterior malleolar fractures of Haraguchi type Ⅱ can effectively reduce postoperative joint pain and improve ankle function.
trimalleolar fracturesHaraguchi type Ⅱposterior malleolusinternal fixation
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