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Revision surgery for stiff total knee arthroplasty
1Dallas/Fort Worth Medical Center, Grand Prairie, Texas.
The Journal of Arthroplasty
|January 1, 1990
Summary
Revision total knee arthroplasty for stiffness can improve motion, especially in osteoarthritis patients. However, outcomes vary, with pain relief being a key patient satisfaction driver.
Area of Science:
- Orthopedics
- Knee Surgery
- Arthroplasty
Background:
- Stiffness after total knee arthroplasty (TKA) is a significant complication.
- Causes include malpositioned components, inflammatory conditions, and patella baja.
- Revision surgery is often considered to address TKA stiffness.
Purpose of the Study:
- To evaluate outcomes of revision TKA for stiffness.
- To identify factors associated with improved motion and patient satisfaction.
Main Methods:
- Retrospective review of 13 stiff TKAs in 12 patients.
- Analysis of reasons for stiffness, surgical revisions, and postoperative outcomes.
- Assessment of patient satisfaction and range of motion.
Main Results:
- 11 of 12 patients reported satisfaction, primarily due to pain relief.
- Improved motion was observed in patients with primary osteoarthritis and malpositioned components.
- Poor motion outcomes were associated with patella baja and inflammatory collagen disease.
Conclusions:
- Revision TKA for stiffness can yield satisfactory pain relief and improved motion in select cases.
- Component malposition is a common cause of stiffness, and its correction can restore motion.
- Careful patient selection and surgical technique, including V-Y patella turndown, are crucial for successful outcomes.