Method and effect of total knee arthroplasty osteotomy and soft tissue release for serious knee joint space narrowing.

To discuss the method and effect of total knee arthroplasty osteotomy and soft tissue release for serious knee joint space narrowing. Clinical data of 80 patients from October 2013 to December 2014 was selected with a retrospective method. All patients have undergone total knee arthroplasty.

[Cause analysis of 280 case of fractures nonunion].

Objective: To research many clinical data of nonunion cases and discover the reasons for low capacity of bone growth.

Methods: From October 1999 to April 2009,the source material of 280 nonunion cases were conducted and followed up. The data of the study included 230 males and 50 females,with an average age of 39.