[Analysis of the efficacy of high tibial osteotomy combined with medial meniscus centralization in knee osteoarthritis].

Objective: To explore the efficacy of high tibial osteotomy （HTO） combined with medial meniscus centralization in knee osteoarthritis.

Methods: A total of 26 patients who underwent surgery from October 2018 to October 2020 were reviewed. Among them, 14 patients underwent high tibial osteotomy combined with arthroscopic meniscus centralization surgery were centralized group, including 8 males and 6 females, with an average age of （50.

[Intramedullary nailing through suprapatellar approach with semiextended position for the treatment of tibial fractures].

Objective: To explore clinical effects of intramedullary nailing through suprapatellar approach with semiextended position in treating tibial fractures.

Methods: From January 2018 to June 2019, 23 patients with tibia fractures were treated with suprapatellar approach intramedullary nailing on knee semiextended position, including 18 males and 5 females, aged from 26 to 67 years old with an average age of (38.5±9.

[Case-control study on therapeutic effects between modified Weaver-Dunn surgery and clavicular hook plate fixation in the treatment of acromioclavicular joint dislocation].

Objective: To study therapeutic effects between hook plate fixation and modified Weaver-Dunn surgery for the treatment of acromioclavicular joint dislocation.

Methods: Forty patients with fresh acromioclavicular joint dislocations of type III according to Rockwood classification were reviewed. All the patients were divided into two groups: hook plate fixation group and modified surgery group.