
Arthroplasty
No substantial increase in ROM with high-flexion implants in TKA
J Arthroplasty. 2015 Apr;30(4):573-910 randomized controlled trials were included in this meta-analysis comparing range of motion between high-flexion knee prostheses and standard prostheses in posterior-stabilized total knee arthroplasty. Pooled results demonstrated no differences in postoperative range of flexion, clinical scores, quality of life scores, or complication rates between the two device types. In a sub-group analysis of NexGen devices, a statistically significant increase of 1.69 degrees for range of flexion was observed in favour of the high-flex device.
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