MEDIUM-TERM PROGNOSIS OF THE CONTRALATERAL HIP AFTER A PRIMARY ARTHROPLASTY

Abstract INTRODUCTION Coxarthrosis is one of the most frequent and disabling pathologies. 20% those over 60 years age will develop symptomatic coxarthrosis 10% end with a hip replacement. Hip arthroplasty an alternative because it increases quality life. When we recommend in clinical practice, patients often ask about prognosis their other hip. Will deteriorate same way? be necessary to operate it? When? The objective determine if there any variable or radiological sign that predicts medium-term contralateral after total arthroplasty. MATERIAL AND METHODS A retrospective study who underwent Total Arthroplasty our hospital during 2011 2012 was carried out, 543 patients. degree determined at time first regular intervals follow-up, according JOA Tónnis classifications, analyzing each items included these classifications. RESULTS progression osteoarthritis could expected next 3 This greater faster grade II-III and, especially, joint narrowing alteration femoral head, can reach between 25 30% CONCLUSIONS initial predictive factor for requiring replacement on side.