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  • Title: Cemented total knee arthroplasty in patients with juvenile rheumatoid arthritis.
    Author: Thomas A, Rojer D, Imrie S, Goodman SB.
    Journal: Clin Orthop Relat Res; 2005 Apr; (433):140-6. PubMed ID: 15805949.
    Abstract:
    UNLABELLED: The optimal techniques and implants for total knee arthroplasty in patients with juvenile rheumatoid arthritis are controversial. We report the functional outcomes and complications of a series of 17 cemented total knee arthroplasties done by one surgeon during a 10-year period in which off-the-shelf implants were used, the posterior cruciate ligament was excised, and a lateral retinacular release was done. Preoperatively, all knees had severe loss of normal joint space and osteopenia on 3-foot, standing AP radiographs, lateral radiographs, and patellofemoral views. The patients were evaluated after a mean followup of 74 months (range, 36-116 months). The Knee Society scores improved from a mean of 38.9 +/- 23.9 points (range, 10-81 points) preoperatively to 81.9 +/- 16.6 points (range, 39-99 points) postoperatively. Range of motion showed significant improvement in all patients at the most recent followup. Ambulation scores improved significantly; nine of 10 patients (15 knees) were ambulatory after surgery. Complications included two transient regional pain syndromes and one patellofemoral subluxation requiring realignment. Cemented total knee arthroplasty with off-the-shelf implants, excision of the posterior cruciate ligament, and lateral retinacular release in patients with juvenile rheumatoid arthritis can provide substantial improvement in pain, deformity, ambulation, and function. LEVEL OF EVIDENCE: Therapeutic study, Level IV (case series--no, or historical control group). See the Guidelines for Authors for a complete description of levels of evidence.
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