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Patellar clunk syndrome
76%
1480/1951
Septic arthritis
2%
37/1951
Nonspecific pain
5%
97/1951
Improper tracking of the patellar component
4%
70/1951
Synovitis secondary to polyethylene wear
13%
257/1951
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Patellar clunk syndrome is associated with certain types of posterior stabilized knee arthroplasties. Arthroscopic resection of the band of inflammatory tissue inferior to the patellar component is effective in treating this condition. Arthroscopic lavage of infected knee arthroplasties is not associated with an acceptable success rate. Diagnostic arthroscopy for nonspecific pain following arthroplasty is not uniformly successful. Patellar component maltracking is frequently associated with component malposition and is not alleviated by an arthroscopic lateral release. Synovitis secondary to polyethylene wear is best treated by exchange of the polyethylene spacer and not arthroscopic synovectomy.
3.3
(3)
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