Excisional arthroplasty for patellar loosening in total knee arthroplasty. 2003

Michael E Berend, and Leesa D Harty, and Merrill A Ritter, and David M Stonehouse
Center for Hip and Knee Surgery, St. Francis Hospital, Mooresville, IN 46158, USA.

Four thousand two hundred eighty-seven cases of Anatomic Graduated Components total knee replacements with a cemented, single-peg, all-polyethylene patellar component were performed at our institution over the past 15 years. One hundred eighty cases of patellar component loosening were found. Eleven knees (0.3%) in 11 patients required isolated patellar component reoperation. In all cases, the patellar component was excised and not reimplanted. The average follow-up for the 11 patients was 2.2 years. Five had a complete minimum follow-up of 2 years following reoperation. Pain and function were improved. Complications included infection in 3 knees and extensor lag in 1 knee. Because of the complication rate associated with isolated patellar component excision caused by a loose patellar component, we recommend surgical removal of the patellar component only in cases of severe pain and/or prominence of the component.

UI MeSH Term Description Entries
D007720 Knee Prosthesis Replacement for a knee joint. Knee Prostheses,Prostheses, Knee,Prosthesis, Knee
D010020 Osteonecrosis Death of a bone or part of a bone, either atraumatic or posttraumatic. Aseptic Necrosis of Bone,Avascular Necrosis of Bone,Kienbock Disease,Necrosis, Aseptic, of Bone,Necrosis, Avascular, of Bone,Bone Necrosis,Kienbock's Disease,Kienboeck Disease,Kienboeck's Disease,Bone Aseptic Necrosis,Bone Avascular Necrosis,Bone Necroses,Kienboecks Disease,Necroses, Bone,Necrosis, Bone,Osteonecroses
D011475 Prosthesis Failure Malfunction of implantation shunts, valves, etc., and prosthesis loosening, migration, and breaking. Prosthesis Loosening,Prosthesis Durability,Prosthesis Migration,Prosthesis Survival,Durabilities, Prosthesis,Durability, Prosthesis,Failure, Prosthesis,Failures, Prosthesis,Loosening, Prosthesis,Loosenings, Prosthesis,Migration, Prosthesis,Migrations, Prosthesis,Prosthesis Durabilities,Prosthesis Failures,Prosthesis Loosenings,Prosthesis Migrations,Prosthesis Survivals,Survival, Prosthesis,Survivals, Prosthesis
D012086 Reoperation A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery. Revision, Joint,Revision, Surgical,Surgery, Repeat,Surgical Revision,Repeat Surgery,Revision Surgery,Joint Revision,Revision Surgeries,Surgery, Revision
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D016459 Prosthesis-Related Infections Infections resulting from the implantation of prosthetic devices. The infections may be acquired from intraoperative contamination (early) or hematogenously acquired from other sites (late). Prosthesis Related Infection,Prosthesis-Related Infection,Infections, Prosthesis-Related,Infection, Prosthesis Related,Prosthesis Related Infections,Related Infection, Prosthesis,Related Infections, Prosthesis
D019645 Arthroplasty, Replacement, Knee Replacement of the knee joint. Knee Replacement, Total,Arthroplasties, Knee Replacement,Arthroplasties, Replacement, Knee,Arthroplasty, Knee Replacement,Arthroplasty, Replacement, Partial Knee,Knee Arthroplasty,Knee Arthroplasty, Total,Knee Replacement Arthroplasties,Knee Replacement Arthroplasty,Partial Knee Arthroplasty,Partial Knee Replacement,Replacement Arthroplasties, Knee,Replacement Arthroplasty, Knee,Replacement, Total Knee,Total Knee Replacement,Unicompartmental Knee Arthroplasty,Unicompartmental Knee Replacement,Unicondylar Knee Arthroplasty,Unicondylar Knee Replacement,Arthroplasty, Knee,Arthroplasty, Partial Knee,Arthroplasty, Total Knee,Arthroplasty, Unicompartmental Knee,Arthroplasty, Unicondylar Knee,Knee Arthroplasty, Partial,Knee Arthroplasty, Unicompartmental,Knee Arthroplasty, Unicondylar,Knee Replacement, Partial,Knee Replacement, Unicompartmental,Knee Replacement, Unicondylar,Total Knee Arthroplasty

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