Researchers retrospectively reviewed information for 29 patients who underwent a simultaneous procedure and 38 patients who underwent a staged bilateral arthroplasty for a bilateral fixed flexion deformity of at least 16 degrees. Investigators compared changes in outcomes from preoperative measures to two years postoperatively between the staged and simultaneous groups.
Here are five points:
1. Findings showed significantly less fixed flexion deformity in both the left and right knees in both groups at two-year follow-up.
2. Range of motion, Knee Society function scores, Oxford Knee Scores and SF-36 physical component scores significantly improved in both groups.
3. The simultaneous group compared with the staged group had a significantly lower fixed flexion deformity (2.5 degrees vs. 5.4 degrees) at two years.
4. Compared with the stage group, the simultaneous group also had significantly better Knee Society function scores at two years at 75.7 compared to 69.3.
5. After two years postoperatively, the groups had similar Knee Society scores, Oxford Knee scores and SF-36 scores.
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