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Original ArticleOpen Access
The Effects of Patellar Resurfacing in Total Knee Arthroplasty on Position Sense: A Prospective Randomized Study
Waikakul S 
,
Vanadurongwan V ,
Bintachitt P
,
Vanadurongwan V ,
Bintachitt P To find out the improvement of joint position sense after total knee arthroplasty with
patellar resurfacing compared to total knee arthoplasty without patellar resurfacing, the study was
carried out as a randomised parallel trial in patients who had stage III and IV primary osteo-
arthrosis of only 1 side of the knee with a 2 year follow-up. Twenty-one patients underwent
patellar resurfacing and 26 patients had no patellar resurfacing. Joint position sense was evaluated
by the average absolute different angle of the operated knees from the non operated knees which
was the asymptomatic knee and acted as the reference knee. Position sense was improved sig-
nificantly in both groups. However, the patients without patellar resurfacing had better im
provement. The patients with patellar resurfacing had better results in terms of anterior knee pain
and tenderness. Patellar resurfacing should be used in severe articular cartilage damage, not as a
routine operation.
Key word : Joint Position Sense, Knee Arthroplasty
patellar resurfacing compared to total knee arthoplasty without patellar resurfacing, the study was
carried out as a randomised parallel trial in patients who had stage III and IV primary osteo-
arthrosis of only 1 side of the knee with a 2 year follow-up. Twenty-one patients underwent
patellar resurfacing and 26 patients had no patellar resurfacing. Joint position sense was evaluated
by the average absolute different angle of the operated knees from the non operated knees which
was the asymptomatic knee and acted as the reference knee. Position sense was improved sig-
nificantly in both groups. However, the patients without patellar resurfacing had better im
provement. The patients with patellar resurfacing had better results in terms of anterior knee pain
and tenderness. Patellar resurfacing should be used in severe articular cartilage damage, not as a
routine operation.
Key word : Joint Position Sense, Knee Arthroplasty
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