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[Posterior stabilized knee arthroplasty: 5-year follow up]
1Department of Orthopaedic Surgery, Beijing Jishuitan Hospital, Beijing 100035, China.
Zhonghua Wai Ke Za Zhi [Chinese Journal of Surgery]
|October 6, 2005
Summary
Posterior stabilized knee arthroplasty (PSKA) significantly improves range of motion and patient scores. This procedure is effective for primary and revision total knee replacements, though patellar complications require attention.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
Context:
- Total knee arthroplasty (TKA) is a common procedure for end-stage knee joint disease.
- Posterior stabilized knee arthroplasty (PSKA) utilizes a prosthesis designed to maintain posterior tibial rollback and stability.
Purpose:
- To evaluate the middle-term clinical outcomes of posterior stabilized knee arthroplasty (PSKA).
- To assess improvements in range of motion, patient-reported scores, and overall functional status following PSKA.
Summary:
- A study of 19 knees in 18 patients undergoing PSKA (Insall-Burstein II) showed significant improvements.
- Average knee scores increased from 62 to 89, and range of motion improved from 91 to 115 degrees.
- An 88.9% excellent or good rating was achieved, with notable gains in flexion.
Impact:
- PSKA demonstrates efficacy in enhancing knee function and stability for primary and revision TKA.
- The design of PSKA effectively improves range of motion and flexion without compromising posterior stability.
- Careful consideration of potential patellar complications is advised for optimal patient outcomes.