RĂDULESCU, Radu; BĂDILA, Adrian; NUŢIU, Octavian; MANOLESCU, Robert
May 2013
Metalurgia International;May2013, Vol. 18 Issue 5, p42
Academic Journal
Aim. Our objective was lo assess the medium term results of metal on metal total hip prosthesis. Material and methods. 42 patients who underwent arthroplasty with metal/metal total hip prosthesis were enrolled in a prospective study. We followed: the emergence of areas of osteolysis, component mobilization (loosening) to a degree requiring revision, clinical outcome of the implant quantified by Harris score and a radiological evaluation. Results. The presence of osteolysis areas (without requiring revision - removal of the prosthesis and implantation of a new one) was observed in 3 cases. Component loosening occurred in 2 cases, which underwent revision suigery at 3 years and 4 years respectively, after the initial arlhroplasty. The clinical outcome was favorable and the mean Harris hip score was: preoperatively 48.35 ± 5.77, at 1 year postoperatively 94.47 ±4.2, 2 years postoperatively 93.68 ±4.5, 3 years postoperatively 93.52 ±4.5, 4 years after surgery - 91.36 ±4.7, 5 years after surgery - 91.25 ±4.9, 6 years postoperatively - 90.54 ±5.6. Conclusions. Metal/metal total hip prostheses have excellent clinical results and a high survival rate on medium term. The incidence of peri-implant osteolysis areas is low.


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