[The cemented MS-30 stem. A multi-surgeon series of 333 consecutive cases].

Der Orthopäde
M ClaussS J Breusch

Abstract

So far there is only one peer-reviewed long-term publication from the inventors' clinic for the MS-30 stem. In a retrospective study we followed the first 333 consecutive MS-30 stems. All patients with 5- to 11-year follow-up were clinically and radiographically evaluated. At the time of implantation the criteria of modern cementing techniques were not implemented. Clinical evaluation was done using the scores of Harris and Merle d'Aubigné and Postel. Radiographic evaluation included quality of the cement mantle (true lateral radiographs taken under fluoroscopy), stem subsidence, loosening signs, and the risk for pending failure. At follow-up 12 hips had undergone femoral revision: 3 for aseptic loosening, 6 for infection, 1 for periprosthetic fracture, and 2 for recurrent dislocation. The overall survival for all reasons at 10 years was 96.1%; survival with aseptic loosening as an end point was 99.0%. The median Harris Hip Score at follow-up was 80 (26-100) points. Radiological evaluation revealed a thin cement mantle (<2 mm) in approximately 2/3, predominantly on the lateral views (Gruen zones 8/9). One-third of all reviewed prostheses were considered at risk for pending failure, which strongly correlated with the initial qua...Continue Reading

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Citations

Jan 30, 2014·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Martin ClaussMarc Goossens

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