J Korean Knee Soc.
2009 Mar;21(1):45-50.
Total Knee Arthroplasty with PCL Substituting Medial Pivot Knee: Short-term Follow-up Results
- Affiliations
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- 1Department of Orthopedic Surgery, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea. tkra@naver.com
Abstract
- PURPOSE
To evaluate minimum 2-year follow-up clinical and radiological results after total knee arthroplasty (TKA) with a posterior cruciate ligament (PCL) substituting (PS) Medial Pivot Knee.
MATERIALS AND METHODS
Seventy knees in 48 patients, who could be followed up more than 2 years after TKA with PS Advance(R) Medial Pivot Knee from October 2004 to February 2006, were evaluated retrospectively. The evaluations included the preoperative and postoperative range of motion (ROM), tibiofemoral angle, Knee Society (KS) knee and function score and postoperative complications.
RESULTS
The ROM increased from preoperative mean flexion contracture of 6.3degrees and further flexion of 116.4degrees to a postoperative mean flexion contracture of 1.9degrees and further flexion of 120.5degrees. The tibiofemoral angle changed from preoperative varus 4degrees to postoperative valgus 5.5degrees. The KS knee and function score improved from 46 and 37 before surgery to 87 and 83 after surgery, respectively (p<0.05). The complications were 2 cases of periprosthetic patellar fracture and 1 case of early failure of the tibial component.
CONCLUSION
The minimum 2 year follow-up results after TKA with PS Medial Pivot Knee were satisfactory.
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