Abstract
To date there has been only one published series of elbow arthroplasty in patients with Juvenile Idiopathic arthritis. These patients pose particular problems because of the size and variable shape of the humerus and ulna together with the soft tissue contractures and bony erosion which can sometimes be severe. We have reviewed the results of elbow arthroplasty using the unlinked Kudo 5 and the linked Coonrad-Morrey implants which in our practice have different indications dependent upon bone stock and stability.
Methods 19 total elbow replacements in 13 patients with juvenile idiopathic arthritis were performed by 1 specialist elbow surgeon, the senior author. 13 of these are Kudo 5 and 6 are Coonrad-Morrey implants. The mean age at operation was 39 years. 6 of the elbow replacements had undergone previous surgery, 4 had an interposition arthroplasty and 2 a synovectomy and radial head excision. No patients were lost to follow up. All were evaluated at a mean follow up of 49 months [6–84 months] using the Mayo Clinic Performance Index. Postoperative radiographs were also reviewed for loosening using standard anteroposterior and lateral films.
Results Preoperatively 7 had moderate pain and 12 had severe pain. Postoperatively the pain was rated as none by 13 and mild by 6. The average Mayo Elbow Score improved from 26 preoperatively to 81 postoperatively. The mean arc of flexion/extension improved from 85 to 108 degrees.12 elbow replacements had intra and post-operative complications and 2 elbows have been revised.
Conclusions The medium-term results of Total Elbow Replacements in patients with Juvenile Chronic Arthritis are acceptable and comparable to the only other published series which also records a high complication rate.
The abstracts were prepared by Cormac Kelly. Correspondence should be addressed to The Secretary, British Elbow and Shoulder Society, Royal College of Surgeons, 35–43 Lincoln’s Inn Fields, London WC2A 3PE
