title: Primary total hip arthroplasty with a porous-coated acetabular component. A concise follow-up of a previous report.
abstract: We previously reported the seven-to-ten-year results of the use of a porous-coated acetabular metal shell in a consecutive series of 204 primary total hip arthroplasties. In the present study, we evaluated the longer-term outcomes of these arthroplasties, at fifteen to eighteen years. One hundred and thirty-six (96%) of the 142 hips available for study retained the original acetabular metal shell. Three of the 142 metal shells failed secondary to aseptic loosening. Ten hips (7%) required a change of the modular acetabular liner because of excessive wear or for the treatment of osteolysis. The fifteen-year rate of survival of the metal shell, with failure defined as revision because of loosening or radiographic evidence of loosening, was 99%. The rate of survival of cementless acetabular reconstructions was excellent at fifteen years, although osteolysis and reoperations were noted to occur much more frequently as the duration of follow-up increased. The majority of the complications were related to wear of the polyethylene liner.
authors.affiliation: Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois 60612, USA. craigdv@yahoo.com
authors.forename: Craig J
authors.initials: CJ
authors.lastname: Della Valle
authors.forename: Richard A
authors.initials: RA
authors.lastname: Berger
authors.forename: Susan
authors.initials: S
authors.lastname: Shott
authors.forename: Aaron G
authors.initials: AG
authors.lastname: Rosenberg
authors.forename: Joshua J
authors.initials: JJ
authors.lastname: Jacobs
authors.forename: Laura
authors.initials: L
authors.lastname: Quigley
authors.forename: Jorge O
authors.initials: JO
authors.lastname: Galante
mesh_terms: D000077:Acetabulum; D019644:Arthroplasty, Replacement, Hip / Q000379:methods; D020099:Coated Materials, Biocompatible; D005500:Follow-Up Studies; D006622:Hip Prosthesis; D006801:Humans; D016062:Porosity; D011474:Prosthesis Design; D011475:Prosthesis Failure; D012086:Reoperation; D013997:Time Factors
chemical_list: D020099:Coated Materials, Biocompatible