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Patellofemoral arthroplasty: a multi-centre study with minimum 2-year follow-up
Wayne B Leadbetter1, Frank R Kolisek, Richard L Levitt
1Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, 2401 W. Belvedere Ave., Baltimore, MD 21215, USA.
International Orthopaedics
|December 6, 2008
Summary
Patellofemoral arthroplasty offers a promising solution for isolated patellofemoral arthritis. Early results show significant pain relief and improved function in patients who have not responded to other treatments.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
- Musculoskeletal research
Background:
- Isolated patellofemoral arthritis is a common cause of knee pain.
- Patellofemoral arthroplasty (PFA) is emerging as a viable treatment option.
- Limited data exists on modern PFA outcomes.
Purpose of the Study:
- To evaluate the short-term outcomes of a specific PFA device.
- To assess PFA as a salvage treatment for refractory patellofemoral arthritis.
- To report collective experience from multiple surgical centers.
Main Methods:
- Retrospective analysis of 70 patients (79 knees) undergoing PFA.
- Patients had failed conservative and/or alternative surgical treatments.
- Follow-up averaged 3 years (range 2-6 years).
Main Results:
- 84% of knees (66/79) achieved Knee Society Scores > 80.
- 90% of knees (71/79) were pain-free during daily activities and stair climbing.
- Successful short-term pain relief and functional improvement were observed.
Conclusions:
- Patellofemoral arthroplasty is an effective short-term treatment for symptomatic isolated patellofemoral arthritis.
- PFA provides significant pain relief and functional improvement.
- Further long-term follow-up is warranted to confirm durability.