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Are titanium-on-titanium TiAl6V4 modular necks safe in total hip arthroplasty for non-overweight patients? Results of a prospective series at a minimum follow-up of 7 years

  • Matthieu Ollivier
  • Sébastien ParratteEmail author
  • Alexandre Galland
  • Alexandre Lunebourg
  • Jean-Noel Argenson
Original Article • HIP - ARTHROPLASTY

Abstract

Using extramedullar modularity in total hip arthroplasty has been proposed as an option to optimize the restoration of hip biomechanics. To avoid the problems that were observed with cobalt-chrome modular neck, titanium modular necks have been developed. The goals of our study were to evaluate the safety of titanium-on-titanium TiAl6V4 modular neck system. Hundred patients with a mean age of 69.6 ± 10.6 (42–86 years) and mean BMI of 25.07 ± 4.86 (17–38 kg/m2) suffering from primary or secondary arthritis of the hip were prospectively included. At a minimum of 7 years, no fracture of the modular neck was observed. No patient required a revision. No sign of loosening was found in the radiological analysis. Our study shows that titanium-on-titanium TiAl6V4 modular neck system can safely be used with good midterm clinical and radiological results for non-overweight patients. These results should be confirmed at longer follow-up.

Keywords

THA Cementless Modular Titanium neck Survival 

Notes

Conflict of interest

None.

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Copyright information

© Springer-Verlag France 2015

Authors and Affiliations

  • Matthieu Ollivier
    • 1
    • 2
  • Sébastien Parratte
    • 1
    • 2
    Email author
  • Alexandre Galland
    • 1
    • 2
  • Alexandre Lunebourg
    • 1
    • 2
  • Jean-Noel Argenson
    • 1
    • 2
  1. 1.Department of Orthopaedic Surgery, APHM, Institute for LocomotionSainte-Marguerite HospitalMarseilleFrance
  2. 2.CNRS, ISM UMR 7287Aix-Marseille UniversityMarseilleFrance

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