Patients who underwent patellar resurfacing experienced anterior knee pain and satisfaction with the arthroplasty procedure that were equivalent to those experienced by patients whose patella was not resurfaced; however, these patients underwent significantly fewer additional surgical procedures. Further long-term follow-up of modern prostheses in randomized studies measuring outcome with a patella-specific score is needed.

This is a repository copy of Attune total knee arthroplasty: is there evidence of early tibial component de-bonding? A prospective cohort study with a minimum two year follow-up.

Purpose To evaluate whether long-term (10-year minimum) patient outcomes and survival of ixed-bearing medial unicompartmental knee arthroplasty (UKA) in patients aged ≤ 60 years were favorable despite non-conventional age criteria. Methods The authors reviewed the records of 91 consecutive medial UKAs performed in patients aged ≤ 60 by a single surgeon. All patients received the same ixed-bearing M/G Unicompartmental Knee System. Patients records were updated, noting complications or revisions, and Oxford Knee Scores and overall satisfaction collected. If deceased, the general practitioner or next of kin provided data. Results Of the initial 91 knees, 10 were revised, 6 were deceased, and 1 was lost to follow-up. The inal cohort of 74 knees was aged 54.3 ± 4.3 years (range 41.8-60.6) at index surgery. Using revision of any component as endpoint, the present series had a KM survival of 92.9% (CI 84.8-96.7%) at 10 years, and 87.8% (CI 78.4-93.2%) at 15 years, and a single nonfatal DVT was reported. At inal follow-up of 15 ± 1.3 years (range 11-18), OKS (available for all 74 knees) was 38.4 ± 8.4 (range 18-48). Overall patients were pleased or very pleased with 72 of the knees (97%). Conclusion Fixed-bearing medial UKA yields favorable results in the treatment of single compartment osteoarthritis of the knee in patients ≤ 60 years. The present study demonstrates low complication rates, good-to-excellent long-term patient outcomes, and satisfactory implant survival for this age group considering the advantages of UKA. Level of evidence Level IV, retrospective cohort study.

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