Summary
Cemented and cementless New Jersey Low-Contact-Stress (LCS) knee replacements were followed up for 7–15 years and compared with the results at 2–10 years. Primary (P), multiply-operated (MO) and revision (R) results were analyzed clinically, radiographically, and by survivorship analysis to determine the long-term outcome potential and to evaluate failure mechanisms. In the overall cemented group of 149 knee replacements, good to excellent clinical results were seen in 95.5% of P, 90.0% of MO, and 81.3% of the R groups, respectively. Overall survivorship was 96.7% for the P group at the 10-year interval and 86.7% at the 12- to 15-year intervals. In the overall cementless group of 208 knee replacements, good to excellent clinical results were seen in 96.3% of P, 93.8% of MO, and 93.3% of the R groups, respectively. Overall survivorship estimates were 95.1% for the P group at the 10-year interval and remained at 95.1% at the 12-year interval. Cemented and cementless mobile bearing knee replacements offer satisfactory long-term clinical and survivorship outcomes in a wide variety of arthritic pathologies. Cementless implants appear to be slightly superior overall.
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References
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© 1997 Springer-Verlag Tokyo
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Buechel, F.F. (1997). New Jersey Low-Contact-Stress Knee Replacement System: 7- to 15-Year Clinical and Survivorship Outcomes. In: Niwa, S., Yoshino, S., Kurosaka, M., Shino, K., Yamamoto, S. (eds) Reconstruction of the Knee Joint. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68464-0_24
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DOI: https://doi.org/10.1007/978-4-431-68464-0_24
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