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. 2013 Aug;28(7):1160-6.
doi: 10.1016/j.arth.2012.06.033. Epub 2012 Nov 5.

Long-term outcomes of a new model of anatomical hydroxyapatite-coated hip prosthesis

Antonio Herrera  1 , Jesús Mateo, Antonio Lobo-Escolar, Juan José Panisello, Elena Ibarz, Luis Gracia
Affiliations

Long-term outcomes of a new model of anatomical hydroxyapatite-coated hip prosthesis

Antonio Herrera et al. J Arthroplasty. 2013 Aug.

Abstract

This prospective study was designed to evaluate 196 Anatomique Benoist Giraud (ABG II) total hip arthroplasties which were implanted between September 1999 and December 2000. A minimum 11 years follow up was completed in 183 cases. The bearing surfaces were polyethylene-zirconia in 84 cases, polyethylene-metal in 42 and ceramic-ceramic in 57. Changes in the femoral stem design, in relation to the previous ABG I model, have led to a significant improvement in stress-shielding. Polyethylene wear rate was lower by more than 50% compared with non-crosslinked polyethylene. Excellent and good results were obtained in 90.32% of cases, and implant survival was 98.39% at the end of follow-up.

Keywords: anatomical-THA; femur remodeling; hydroxyapatite coating; long term outcomes; polyethylene wear.

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