Jean-Marc Puch1, Guy Derhi2, Loys Descamps1, Régis Verdier3, Jacques H Caton4. 1. Clinique Saint-Georges, 2 Avenue de Rimiez, 06100, Nice, France. 2. Pôle Santé Saint-Jean, 53 avenue des alpes, 06800, Cagnes-sur-Mer, France. 3. , 175 rue Jacquard - CS 50307, 69727, Genay Cedex, France. r.verdier@groupe-lepine.com. 4. , Clinique orthopédique 103 rue Coste 69300, Caluire, France.
Abstract
PURPOSE: We report clinical and radiological outcome of a dual mobility cup (DMC) of 2nd generation after a minimum of ten year-follow-up (FU). The goal of this work was to compare the results of this DMC in patients aged less than 55 years and in patients aged more than 55 years. METHODS: From 2000 to 2005, a prospective and consecutive series of 119 THAs with a cementless DMC of 2nd generation (GIROS) were performed in patients aged less than 55 years and 444 in patients aged more than 55 years. RESULTS: The mean FU was 11 years (8 to 15 years). Survivorships (failure of both components or cup loosening) were not different between patients aged less than 55 years and patients aged more than 55 years. There was no dislocation. DEVANE classification, Harris, PMA and Oxford scores improved after THA but no difference could be found between between < 55 years and > 55 years patients. CONCLUSION: These results are better than those of first generation (BOUSQUET) DMC (77 % of survival rate at 20 years of FU). These results are in the same agreement than those of the literature: 99 % of survival rate at 14.2 years of FU for KERBOULL with a low friction arthroplasty and 96.5 % at ten years of FU for ceramic/ceramic bearing (R CHANA). The DMC for young patient is a relevant surgical option with no dislocation and excellent clinical results and survival rate at more than ten years of FU.
PURPOSE: We report clinical and radiological outcome of a dual mobility cup (DMC) of 2nd generation after a minimum of ten year-follow-up (FU). The goal of this work was to compare the results of this DMC in patients aged less than 55 years and in patients aged more than 55 years. METHODS: From 2000 to 2005, a prospective and consecutive series of 119 THAs with a cementless DMC of 2nd generation (GIROS) were performed in patients aged less than 55 years and 444 in patients aged more than 55 years. RESULTS: The mean FU was 11 years (8 to 15 years). Survivorships (failure of both components or cup loosening) were not different between patients aged less than 55 years and patients aged more than 55 years. There was no dislocation. DEVANE classification, Harris, PMA and Oxford scores improved after THA but no difference could be found between between < 55 years and > 55 years patients. CONCLUSION: These results are better than those of first generation (BOUSQUET) DMC (77 % of survival rate at 20 years of FU). These results are in the same agreement than those of the literature: 99 % of survival rate at 14.2 years of FU for KERBOULL with a low friction arthroplasty and 96.5 % at ten years of FU for ceramic/ceramic bearing (R CHANA). The DMC for young patient is a relevant surgical option with no dislocation and excellent clinical results and survival rate at more than ten years of FU.
Entities:
Keywords:
Dislocation; Dual mobility cup; Less than 55 years; Long term results; Total hip arthroplasty
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