title: The 20-year outcome of the charnley arthroplasty in younger and older patients.
abstract: The purpose of this study is to present the 20-year outcome of 206 Charnley low-friction arthroplasties done by the same surgeon on 181 patients who were separated into two age groups (younger and older). In Group A (76 patients, 92 hips) the mean age at surgery was 44 years (range, 24-55 years), and in Group B (105 patients, 114 hips) the mean age at surgery was 65 years (range, 56-82 years). All patients were evaluated clinically and radiographically. At final followup, 71 patients (87 hips) in Group A and 90 patients (99 hips) in Group B were available for study. The overall failure rate for the hips of Group A was 37.9%, and the overall failure rate for the hips of Group B was 20%. The main cause of failure in Group A was aseptic loosening of the components and breakage of the femoral stem, whereas in Group B the main cause of failure was deep infection. We concluded that by eliminating the above factors, and using new cementing techniques and improved implants, the 20-year results of this arthroplasty would be better. Our results show that the Charnley arthroplasty is a reliable procedure for hip replacement, even in younger patients.
authors.affiliation: Department of Orthopaedic Surgery, University of Athens, Hellenic Republic. hartofilakidis@yahoo.gr
authors.forename: George
authors.initials: G
authors.lastname: Hartofilakidis
authors.forename: Theofilos
authors.initials: T
authors.lastname: Karachalios
authors.forename: George
authors.initials: G
authors.lastname: Karachalios
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D019644:Arthroplasty, Replacement, Hip / Q000295:instrumentation / Q000379:methods*; D015331:Cohort Studies; D005260:Female; D005500:Follow-Up Studies; D006622:Hip Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D015207:Osteoarthritis, Hip / Q000000981:diagnostic imaging / Q000601:surgery; D010147:Pain Measurement; D011474:Prosthesis Design; D011475:Prosthesis Failure; D016459:Prosthesis-Related Infections / Q000175:diagnosis* / Q000453:epidemiology; D011859:Radiography; D016059:Range of Motion, Articular / Q000502:physiology; D020127:Recovery of Function; D012086:Reoperation; D012189:Retrospective Studies; D018570:Risk Assessment; D013997:Time Factors; D016896:Treatment Outcome