Journal List > J Korean Orthop Assoc > v.42(2) > 1012641

Cho, Youm, and Yang: The Causes of Revision Total Knee Arthroplasty

Abstract

Purpose

To assess the causes of revision total knee arthroplasty (TKA).

Materials and Methods

The causes of 90 revision total knee arthroplasties were analyzed in 84 patients between December 1996 and June 2006. The patients' history, medical records and radiographs were reviewed in order to detect the main cause of failure of the primary TKA.

Results

The causes of revision TKA are as follows: 34 infections (37.8%), 26 loosenings (28.9%), 17 polyethylene wears or breakages (18.9%), 5 stiffness (5.6%), 4 polyethylene dislocations (4.4%), 2 patellar dislocations (2.2%), 1 patellar component failure and 1 instability (1.1%). The mean interval from the index operation to the revision surgery was 59 months (1 month-20 years).

Conclusion

Infection was the most common causes of revision TKA followed by loosening, wear or breakage of the polyethylene, stiff knee, and dislocation of the polyethylene.

Figures and Tables

Table 1
The Cause of the Revision Total Knee Arthroplasty
jkoa-42-216-i001
Table 2
Duration until Revision according to the Causes
jkoa-42-216-i002

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