Results of Two Stage Revision of Infected Total Knee Arthroplasty (A Minimum 5-year Follow-up Analysis)

Woo-Shin Cho; Jeong-Ho Kang; Sang-Jun Lee; Sung-Hoon Ha

doi:10.4055/jkoa.2011.46.3.244

Journal List > J Korean Orthop Assoc > v.46(3) > 1013074

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Cho, Kang, Lee, and Ha: Results of Two Stage Revision of Infected Total Knee Arthroplasty (A Minimum 5-year Follow-up Analysis)

Original Article

Journal of the Korean Orthopaedic Association

Journal of the Korean Orthopaedic Association 2011; 46(3): 244-249.

Published online: 30 June 2011

DOI: https://doi.org/10.4055/jkoa.2011.46.3.244

Results of Two Stage Revision of Infected Total Knee Arthroplasty (A Minimum 5-year Follow-up Analysis)

Woo-Shin Cho, M.D., Jeong-Ho Kang, M.D., Sang-Jun Lee, M.D., Sung-Hoon Ha, M.D.

Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Correspondence to: Jeong-Ho Kang, M.D. Department of Orthopedic Surgery, Asan Medical Center, 388-1 Pungnap2-dong, Songpa-gu, Seoul 138-736, Korea. TEL: +82-2-3010-3530, FAX: +82-2-488-7877, theknee@naver.com

Received 10 June 2010 Accepted 18 November 2010

(open-access):

"This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited."

Abstract

Purpose

We report the results of 26 cases of revised total knee joint arthroplasty (TKA) that were followed up for more than 5 years.

Materials and Methods

On a retrospective basis, we reviewed 26 cases of infected TKA that underwent 2-stage revision between January 1993 and June 2005. All cases were followed up for more than 5 years. Clinical results were evaluated using Range Of Motion (ROM), Hospital for Special Surgery (HSS) score and radiographic results as part of the Knee Society Roentgenographic evaluation and Scoring system. The mean follow-up period was 70 months (ranging from 60 to 108 months).

Results

Infection recurred in 3 out of 26 cases. Patients without recurrence of infection showed improvement in ROM and HSS score, which had decreased with time (p<0.001) (ROM: pre-op. 47.1°, 1-year 89.5°, 2-year 87.1°, last follow-up 79.2° and HSS score: pre-op. 54.5, 1-year 85.7, 2-year 84.5, last follow-up 80.7).

Conclusion

Infection recurred in 11.5% after revision arthroplasty. Outcomes of stage 2 revision arthroplasty were satisfactory at early follow-up, but worsened at the last follow-up.

Keywords: knee, infection, revision total knee arthroplasty, 2-stage

Figures and Tables

Figure 1

We performed knee arthrodesis for recurred infection after revision knee arthroplasty. (A) femur AP, (B) knee AP, (C) leg AP.

Table 1

The Clinical Results of Revision Arthroplasty

^* Hospital for Special Surgery

Table 2

Re-infected Cases after Revision Arthroplasty

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