Hemi or total arthroplasty replacement for severe damages of proximal part of humerus / 中国矫形外科杂志

ABSTRACT

[Objective]To appraise the indications,essential technical points and selection of prostheses of hemi or total arthroplasty of the shoulder for severe damages of proximal part of humerus.[Method]Twelve cases had an arthroplasty of the shoulder;4 total-arthroplasties and 8 hemi-arthroplasties of the shoulder;6 cases of four parts fractures,2 cases of humeral head osteonecrosis,1 case of osteonecrosis of humeral head and glenoid cavity,2 cases of proliferative arthritis with the shoulder rigidity,1 case of bone humor.The function of the shoulder was evaluated postoperatively according to the methods of Amercian Society of Surgeons for Shoulder and Elbow Joints.All cases were followed up with a mean duration of 14 months.[Result]Twelve cases revealed obvious relief of pain with absence of pain in 8 and mild in 4.Twelve cases had no prosthetic stems loosening.The motion range of the shoulder was improved with a mean abduction of 100.Ten cases had the satisfactory results for treatment.[Conclusion]Hemi or total arthroplastyof shoulder is effective for complicated proximal humeral damages.The key of success is related with scientific operative method,appropriate selection of prostheses,effective rehabilitation plan.