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Revista de la Asociación Argentina de Ortopedia y Traumatología

versión On-line ISSN 1852-7434


LOPREITE, Fernando A et al. Manual preoperative planning: Primary total knee replacement. Rev. Asoc. Argent. Ortop. Traumatol. [online]. 2011, vol.76, n.2, pp. 152-157. ISSN 1852-7434.

Background: Primary total knee replacement success rate is 95% at 15 years. The importance of preoperative planning in any type of orthopedic surgery has been widely reported. The purpose of this study was to evaluate the utility, accuracy and reproducibility of a simple preoperative planning method in primary total knee replacement. Methods: Between January and December 2009 we performed 152 primary total knee replacements (RTR). 40 patients were prospectively included. Each case was carefully planned before procedure. The process was always performed by the same two reviewers. The results were collected and analyzed by independent observers. Results: 40 knees in 36 patients were evaluated. 11 men, 25 women. Average age 62 years. 36 were operated on for osteoarthritis, 2 for avascular necrosis and 2 for RA. The ideal size was planned in 65% (26 patients). Accepting a + /-1 error, the size was predicted in 92.5% of the cases. Conclusions: This planning method is simple and systematic, accessible and easy to reproduce.

Palabras clave : Preoperative planning; Total knee replacement.

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