Better outcomes in severe and morbid obese patients (BMI>35 kg / m 2 ) in primary Endo-Model rotating-hinge total knee arthroplasty

Luis M. Lozano, Vicente López, José Ríos, Dragos Popescu, Pere Torner, Félix Castillo, Francisco MacUlé

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The Endo-Model rotating-hinge prosthesis is preferably indicated as a primary implant in patients with advanced axial deviation of the lower limbs or unstable knees with severe bone defects. Outcomes were studied in 111 knees, operated in a three-year period; the mean followup was 28 months. Joint balance enhancement and limbs mechanical axis correction were achieved after surgery. There were 6 deep infections and 16 patients referred postoperative anterior knee pain. WOMAC index scores disaggregated by gender and BMI showed better outcomes in obese patients (specifically, those with a BMI of 35-40kg/m 2 ) and in men. Although the lack of a control group did not allow definite conclusions and despite a nonnegligible complication rate, our results reveal that the Endo-Model total knee arthroplasty can be a useful tool to deal with severe and morbid obese patients affected of severe gonarthrosis associated with marked axial deviations, ligament instability, or bone defects. © 2012 Luis M. Lozano et al.
Original languageEnglish
Article number249391
JournalThe Scientific World Journal
Publication statusPublished - 21 May 2012


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