A prospective evaluation of a largely cementless total knee arthroplasty cohort without patellar resurfacing: 10-year outcomes and survivorship
| Autor: | Emer Doran, Jens G. Boldt, David E. Beverland, BJ Mockford, Christopher K J O'Neill, Seamus O'Brien, Richard J. Napier |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Adult
Male musculoskeletal diseases medicine.medical_specialty Time Factors lcsh:Diseases of the musculoskeletal system Sports medicine Radiography medicine.medical_treatment Knee replacement Survivorship Cohort Studies LCS total knee 03 medical and health sciences 0302 clinical medicine Rheumatology Survivorship curve Medicine Humans Orthopedics and Sports Medicine Prospective Studies Arthroplasty Replacement Knee Fixation (histology) Aged Aged 80 and over 030222 orthopedics business.industry Patella Middle Aged musculoskeletal system Surgery Treatment Outcome Cohort Orthopedic surgery Cementless TKA Female Implant Cementless knee survivorship lcsh:RC925-935 business 030217 neurology & neurosurgery Research Article |
| Zdroj: | BMC Musculoskeletal Disorders, Vol 19, Iss 1, Pp 1-9 (2018) BMC Musculoskeletal Disorders |
| ISSN: | 1471-2474 |
| DOI: | 10.1186/s12891-018-2128-1 |
| Popis: | Background The theoretical benefits of a mobile bearing design in Total Knee Arthroplasty (TKA) include increased articular surface conformity with a reduction in both polyethylene wear and implant interface shear. However, to date these theoretical advantages have not been translated into published evidence of superior survivorship. This paper presents the results of a prospective, non-comparative study evaluating the performance of the mobile bearing Low Contact Stress LCS Complete Rotating Platform TKA in a largely cementless cohort without patellar resurfacing. Methods 237 consecutive patients (240 knees) undergoing primary TKA were prospectively recruited. All received the LCS Complete Rotating Platform TKA (DePuy International, Leeds, UK). Clinical and radiographic assessments were performed at 3, 12, 60 and 120 months post-operatively. Radiographic evaluation was performed by an independent external surgeon. Results The mean age was 70.3 years. 77.5% of cases were cementless. Radiographic assessment suggested excellent femoral component fixation. 22 tibial radiolucent lines (RLLs) > 1 mm were observed in 12 knees. No RLLs were progressive. There have been two revisions; one for late infection and one for aseptic loosening. No patients underwent secondary patellar resurfacing. The cumulative implant survivorship, using component revision for any reason as the endpoint, was 98.9% (95% CI, 95.6 to 99.7%) at 10 years. Conclusions The excellent survivorship at a minimum 10-year follow-up supports the use of uncemented porous coated fixation without patellar resurfacing with the non-posterior stabilized LCS Complete Rotating Platform TKA. |
| Databáze: | OpenAIRE |
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