Effects of the direct anterior approach and Orthopadisehe Chirurgie Munchen on early joint function after primary hip arthroplasty in young adults.

Objective: To compare the effect of Direct Anterior Approach (DAA) and Orthopadisehe Chirurgie Munchen (OCM) in the prone position on early joint function after primary hip arthroplasty in young adults.

Methods: In this retrospective analysis, 85 patients who received primary hip arthroplasty between September 2018 and January 2020 were enrolled and divided into the OCM group (43 cases with OCM) and the DAA group (42 cases with DAA) according to the different surgical methods. The general operative conditions, postoperative conditions and imaging manifestations, postoperative pain, changes in WOMAC scale scores, and the occurrence of adverse reactions were compared between the two groups.

[Case control study on micro external fixator in treating supracondylar fracture of humerus in children].

Objective: To explore clinical effects of micro external fixator for the treatment of supracondylar fracture of humerus in children.

Methods: From October 2017 to December 2018, 20 children with supracondylar fracture of humerus (treatment group) were admitted and treated with micro-external fixation after closed reduction, including 14 males and 6 females, aged from 6 to 14 years old with an average of (7.9±2.