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KMID : 0359620060180020132
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Journal of Korean Knee Society
2006 Volume.18 No. 2 p.132 ~ p.0
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Results of Cruciate-Retaining Total Knee Arthroplasty with Maxim(R) System : More than 5-Year Follow Up
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Lee Song
Kim Kyung-Tae
Kwon Byoung-Gi
Kim Hee-Seon
Cha Sang-Kyu
Jeon Young-Won
Kim Kwan-Soo
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Abstract
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Purpose: To evaluate the mid-term (over 5 years) clinical and radiologic results of Maxim(R) (Biomet, Warsaw, USA) Cruciate Retaining total knee replacement arthroplasty (TKRA).
Materials and Methods: Between Feb. 1997 and Nov. 2000, 103 knees in 65 patients who had been followed up for 5 years after TKRA with Maxim(R) Cruciate Retaining were evaluated retrospectively for clinical and radiologic results.
Results: The average range of motion increased from 114degrees (80~130degrees) preoperatively to 128degrees (105~130degrees) at the last follow-up. The average range of flexion contracture decreased from 6.5degrees preoperatively to 0.8degrees (0~15degrees) at the last follow- up. In patients with osteoarthritis, the mean preoperative knee score (59.2) and functional score (40.7) improved to 88.6 and 90.1, respectively. In rheumatoid arthritis patients, the mean knee score and functional score also improved from 47.4 and 39.2 to 80.6 and 88.3. Roentgenographic evaluation revealed a radiolucency rate of 19.5%. Complications were deep infection in 2 cases and periprosthetic fractures in 3 cases. The former had received reimplantations.
Conclusion: The mid-term results of Maxim(R) Cruciate Retaining total knee replacement arthroplasty were reliable and satisfactory in terms of improvements of range of motion, restoration of function, and rare complications. However, long-term follow-up evaluation is necessary.
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KEYWORD
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Osteoarthritis, Rheumatoid arthritis, Maxim(R) total knee replacement arthroplasty
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