Outcomes of Rotating Platform Versus Mobile Bearing Total Knee Arthroplasty

Outcomes of Rotating Platform Versus Mobile Bearing Total Knee Arthroplasty

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.

Inclusion Criteria:

1. Osteoarthritis
2. Rheumatoid or other inflammatory arthritis
3. Post-traumatic arthritis
4. Juvenile rheumatoid arthritis
5. Avascular necrosis

Exclusion Criteria:

1. History of recent/active joint sepsis
2. Charcot neuropathy
3. Psycho-social disorders that would limit rehabilitation
4. Metabolic disorders of calcified tissues, such as Paget's disease
5. Joint replacement due to autoimmune disorders
6. Skeletal immaturity
7. Ligamentous laxity requiring a constrained prosthesis