Outcomes of Rotating Platform Versus Mobile Bearing Total Knee Arthroplasty
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Total Knee Arthroplasty
- Sponsor
- William Hopkinson
- Enrollment
- 250
- Locations
- 1
- Primary Endpoint
- Change in Overall Health Status over time
- Last Updated
- 5 years ago
Overview
Brief Summary
Patients were randomly assigned to a fixed bearing or rotating platform of two prostheses. A subsequent study (the one retrospectively registering the original study) asked these patients a series of questions from published questionnaires to assess long term outcomes.
Investigators
William Hopkinson
Professor, Vice Chairman of Orthopaedic Surgery and Rehabilitation
Loyola University
Eligibility Criteria
Inclusion Criteria
- •Osteoarthritis
- •Rheumatoid or other inflammatory arthritis
- •Post-traumatic arthritis
- •Juvenile rheumatoid arthritis
- •Avascular necrosis
Exclusion Criteria
- •History of recent/active joint sepsis
- •Charcot neuropathy
- •Psycho-social disorders that would limit rehabilitation
- •Metabolic disorders of calcified tissues, such as Paget's disease
- •Joint replacement due to autoimmune disorders
- •Skeletal immaturity
- •Ligamentous laxity requiring a constrained prosthesis
Outcomes
Primary Outcomes
Change in Overall Health Status over time
Time Frame: Pre-operative, Post-operative Week 6, Month 3, Month 6, Year 1, Year 2, Year 5, Year 10, Year 12, Year 15 and Year 20.
Medical Outcomes Study Short Form -36 Health Survey (SF-36)- A 36 item questionnaire to assess overall health.
Change in Functional Status over time
Time Frame: Pre-operative, Post-operative Week 6, Month 3, Month 6, Year 1, Year 2, Year 5, Year 10, Year 12, Year 15 and Year 20.
Knee Society Clinical Rating Scale
Change in Osteoarthritis Status over time
Time Frame: Pre-operative, Post-operative Week 6, Month 3, Month 6, Year 1, Year 2, Year 5, Year 10, Year 12, Year 15 and Year 20.
Western Ontario and McMaster University Osteoarthritis Index (WOMAC)- A 24 item questionnaire to assess pain, stiffness, and physical function in patients with hip or knee osteoarthritis divided into 3 subscales: Pain (5 items), Stiffness (2 items), Physical function (17 items)
Secondary Outcomes
- Change in Satisfaction of Knee over time(Pre-operative, Post-operative Week 6, Month 3, Month 6, Year 1, Year 2, Year 5, Year 10, Year 12, Year 15 and Year 20.)