![]() However,the study of the interaction between type of technique and preoperative deformity, sex, age, and BMI, showed that prior deformity and BMI influenced more on results than the use of one model or another. Results: PS implanted joints demonstrated better results in all subscales than CR implanted joints. Surgical navigation was used in 38.5% of patients as a helper in the implant of arthroplasty. In 294 cases, the frontal deformity of the mechanical axis of the knee was greater than 3°, particularly varus. The average age of the series was 71 years (SD 7.8). The results were evaluated with the scales WOMAC, AKS and SF-12 v2. In 298 cases, the CR model was implanted and the PS in 117. ![]() Materials and Methods: Multicenter study of 415 Total Knee Arthroplasty (TKA). Our objective is to analyse the interaction of certain factors as age, sex, BMI, prior deformity and use of navigation on the follow-up. *Author to whom correspondence should be addressed.Īim: The study of results of Total Knee Arthroplasty based exclusively on the use of models Posterior stabilized (PS) or Cruciate retaining (CR) may be insufficient if we do not analyse other factors. Hospital Clinico Universitario, Zaragoza, Spain. Hospital Virgen del Puerto, Plasencia, Spain. Hospital Universitario Miguel Servet, Zaragoza, Spain. Hospital San Juan Grande, Jerez de la Frontera, Spain. School of Medicine, University of Oviedo, Spain.
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