title: Long-Term Clinical Outcomes and Survivorship of Revision Total Knee Arthroplasty with Use of a Constrained Condylar Knee Prosthesis.
abstract: The purpose of this study was to determine long-term clinical and radiographic results. One hundred and ninety-four patients (228 knees) underwent revision TKA with use of a constrained condylar knee prosthesis. The mean duration of follow-up was 14.6 years (range, 11 to 16 years). The mean pre-revision Knee Society knee scores (43.5 points) and function scores (47.0 points), and Western Ontario and McMaster Universities Osteoarthritis index scores (88 points) were improved significantly (P=0.002) to 85.6, 68.5, and 25 points, respectively, at 14.6 years follow-up. Eighteen knees (8%) had re-revision. Four knees were re-revised for infection. Kaplan-Meier survivorship analysis revealed that the 16-year rate of survival of the components was 94.7% as the end point of loosening and 92% as the end point of revision.
authors.affiliation: Joint Replacement Center, Ewha Woman's University School of Medicine, Seoul, Republic of Korea.
authors.forename: Young-Hoo
authors.initials: YH
authors.lastname: Kim
authors.affiliation: Joint Replacement Center, Ewha Woman's University School of Medicine, Seoul, Republic of Korea.
authors.forename: Jang-Won
authors.initials: JW
authors.lastname: Park
authors.affiliation: Joint Replacement Center, Ewha Woman's University School of Medicine, Seoul, Republic of Korea.
authors.forename: Jun-Shik
authors.initials: JS
authors.lastname: Kim
authors.affiliation: Joint Replacement Center, Ewha Woman's University School of Medicine, Seoul, Republic of Korea.
authors.forename: Hyun-Keun
authors.initials: HK
authors.lastname: Oh
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D019645:Arthroplasty, Replacement, Knee / Q000379:methods*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D053208:Kaplan-Meier Estimate; D007717:Knee / Q000000981:diagnostic imaging / Q000601:surgery; D007719:Knee Joint / Q000000981:diagnostic imaging / Q000601:surgery*; D007720:Knee Prosthesis; D008297:Male; D008875:Middle Aged; D010003:Osteoarthritis / Q000601:surgery; D011184:Postoperative Period; D011475:Prosthesis Failure; D011859:Radiography; D016059:Range of Motion, Articular; D012086:Reoperation / Q000379:methods*; D012720:Severity of Illness Index; D015996:Survival Rate; D016896:Treatment Outcome
keywords: clinical outcomes; constrained condylar knee prosthesis; radiographic outcomes; revision; total knee arthroplasty