J Korean Knee Soc.
2003 Jun;15(1):17-21.
Total Knee Arthroplasty using Intramedullary Tibial Cutting Guide
- Affiliations
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- 1Department of Orthopedic Surgery, Asan Medical Center, College of Medicine, Ulsan University, Seoul, Korea. sibin@amc.seoul.kr
Abstract
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PURPOSE: To evaluate the tibia osteotome angle and whole leg alignment in total knee replacement arthroplasty using intramedullary tibia guide.
MATERIALS AND METHODS
Amongst 343 cases of TKA using an intramedullary tibial cutting guide from November 1998 to August 2001, 160 cases who took a standing whole leg AP simple roentgenography within 1 year were selected. Post-operatively, the angle formed by the tibial anatomical axis and tibial component, along with the angle formed between the femoral anatomical axis and tibial anatomical axis were measured.
RESULTS
The average angle between the tibial anatomical axis and tibial component was 89.5 degrees (84 degrees~94 degrees), 133 cases(83.1%) were within the range of 90 degrees +/- 2 degrees and amongst these 66 cases(41.3%) were 90 degrees. The average angle formed between the femoral anatomical axis and tibial anatomical axis was 5.6 degrees(0 degrees~11 degrees).
CONCLUSION
When used properly, an intramedullary tibial cutting guide in TKA result in satisfactory tibial osteotome angle and whole leg alignment in TKA.
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