[Effect of unicompartmental knee arthroplasty in patients over 75 years old with knee osteoarthritis].

Objective: To investigate the clinical effect of unicompartmental knee arthroplasty in patients with knee osteoarthritis over 75 years old.

Methods: From April 2010 to May 2015, 42 patients with knee medial compartment osteoarthritis were treated with Oxford third-generation unicompartmental knee arthroplasty. According to the single and bilateral replacement, the patients were divided into bilateral simultaneous replacement group and unilateral replacement group:11 patients in the simultaneous replacement group, 3 males and 8 females, aged (79.

[Clinical efficacy and technical characteristics of percutaneous endoscopic lumbar discectomy in the treatment of upper lumbar disc herniation].

Objective: To analyze the clinical efficacy and technical characteristics of percutaneous endoscopic lumbar discecomy in the treatment of upper lumbar disc herniation.

Methods: The clinical data of 9 patients with upper lumbar disc herniation underwent percutaneous endoscopic lumbar discecomy from January 2012 to October 2019 were retrospectively analyzed. There were 6 males and 3 females, aged 26 to 79 years, including 2 patients with L disc herniation and 7 patients with L2, 3 disc herniation.