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KMID : 0828620090130010039
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Journal of Korean Arthroscopy Society
2009 Volume.13 No. 1 p.39 ~ p.45
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The Effectiveness of Arthroscopy in Complicated Knee Arthroplasty
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Kim Kyung-Tae
Lee Song
Kim Kwan-Soo
Ko Dong-Oh
Kim Tae-Woo
Park Soon-Youl
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Abstract
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Purpose: To investigate the outcome of arthroscopic treatment for the complications of knee arthroplasty and to evaluate the effectiveness of arthroscopy.
Materials and Methods : We analyzed 25 patients who underwent arthroscopy to treat complications of knee arthroplasty between May 1992 and June 2008. Nineteen cases out of 25 had total knee arthroplasty (TKA) and the remaining 6 cases had unicompartmental knee arthroplasty (UKA). Before arthroscopy, physical examinations and radiographic evaluations were carried out to find out the causes of complications. Joint fluid aspiration and hematologic evaluation were added when infection was suspected.
Results: Among the diagnosis at the time of arthroscopy, there were 11 cases of infection, 6 cases of stiffness due to adhesion and fibrosis, and 2 cases of soft tissue impingement in the cases of TKA. Among the cases of UKA, one for each case of meniscal tear, subluxation of mobile insert, hemarthrosis, cement loose body, soft tissue impingement, and stiff knee was found. Nine out of 11 patients who had infection were treated successfully with arthroscopy but the remaining 2 cases underwent revision arthroplasty. Seven patients with arthrofibrosis had improved range of motion from 65˚preoperatively to 105?postoperatively. The others also showed successful results after arthroscopy.
Conclusion: Arthroscopy to treat complications after knee arthroplasty was a safe and effective method when appropriate selection of patients was made.
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KEYWORD
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Knee, Arthroplasty, Complication, Arthroscopy
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