Seven to 10 years followup of an anatomic hip prosthesis: an international study

Clinical Orthopaedics and Related Research
Antonio HerreraA J Tonino

Abstract

Hypothetically, hydroxyapatite-coated anatomic-shaped femoral stems and hemispheric acetabular cups should improve biologic fixation of the implant and strength transmission to the bone, improving unsatisfactory results of the first cementless hip prosthesis focused on the stress-shielding phenomenon at the femur and failure of the threaded acetabular cups. A consecutive series of 312 patients who had primary Anatomique Benoist Giraud hip prostheses unilaterally implanted were followed up. We analyzed the clinical and radiographic results and report the outcomes 7-10 years after implantation. Two hundred thirty-two patients were assessed at 7-10 years. The survival rate for the implant was 96.8%; 77.2% of patients had no pain, 72.4% maintained total mobility, and 62.9% were able to walk without restrictions. However, radiologic assessment shows that problems improved but did not disappear. More than 55% of femurs had signs of proximal stress-shielding develop. More important, substantial polyethylene wear was observed in at least 62% of the acetabular inserts at 7-10 years followup.

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Citations

Nov 26, 2008·Clinical Orthopaedics and Related Research·Carel H GeerdinkAlphons J Tonino
May 2, 2009·The Journal of Bone and Joint Surgery. British Volume·P O ØstbyhaugA Aamodt
Dec 1, 2009·Archives of Orthopaedic and Trauma Surgery·Moritz TannastStephen B Murphy
May 3, 2013·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Per Olav ØstbyhaugArild Aamodt
Apr 5, 2014·Clinical Orthopaedics and Related Research·Deborah A MarshallCy Frank
Apr 25, 2015·Acta Orthopaedica·Paul van der VoortRob G H H Nelissen
Sep 17, 2008·Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia·Jiri GalloIvana Cechova
Aug 28, 2010·The Journal of Bone and Joint Surgery. British Volume·F S Santori, N Santori
Oct 1, 2016·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Dia Eldean GiebalyFares S Haddad
Sep 5, 2009·Clinical Orthopaedics and Related Research·P N BakerJ Anderson
Mar 1, 2006·International Orthopaedics·V Canales CortésL García-Dihinx
Dec 7, 2005·Clinical Orthopaedics and Related Research·Juan C HermidaClifford W Colwell
Aug 18, 2010·Journal of Orthopaedic Surgery and Research·Juan C HermidaDarryl D D'Lima
Dec 7, 2007·Archives of Orthopaedic and Trauma Surgery·B C H van der WalA J Tonino
Nov 7, 2006·International Orthopaedics·Bart Cornelis Hendrikus van der WalAlphons Tonino
Oct 11, 2005·The Journal of Arthroplasty·Gregory Y LeeClifford W Colwell
Jun 1, 2010·Biomedical Engineering Online·Luis GraciaAntonio Herrera

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