The aim of this study was to determine clinical and radiographic results after posterior cruciate-substituting total knee arthroplasties with highly cross-linked polyethylene in one knee and compression mold conventional polyethylene in the contralateral knee in the same patients.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
125
Replacing arthritic knee with a metal device, and using a highly cross-linked polyethylene(HXLPE) liner in between metallic surfaces.
Replacing arthritic knee with a metal device, and using a conventional polyethylene liner in between metallic surfaces.
Knee society knee score
a proven score for the measurement of knee function, the score ranges from 0 to 100, 100 being the best possible score, indicating normal knee function
Time frame: minimum 10 year follow up after the index surgery
WOMAC(Western Ontario and McMaster Universities) Scores
A tool to evaluate patient function associated with knee. The WOMAC measures five items for pain (score range 0-20), two for stiffness (score range 0-8), and 17 for functional limitation (score range 0-68). The total score is summed from individual sections, and 0 is the best possible score.
Time frame: minimum 10 year follow up after the index surgery
Range of motion
maximum flexion of the knee
Time frame: minimum 10 year follow up after the index surgery
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