Osteodensitometry after total hip replacement with uncemented taper-design stem

International Orthopaedics
R SchmidtRocco P Pitto

Abstract

We followed 24 patients (26 hips) with uncemented total hip replacement for a minimum of 3 years. Patient mean age was 52 (40-69) years. The aim was to evaluate femoral periprosthetic bone mineral density (BMD) using quantitative computed tomography osteodensitometry. At 3-years' follow-up, 25 hips were clinically rated good or excellent. The mean Harris hip score rose from 58 (49-68) pre-operatively to 94 (81-98) at the last follow-up. All hips were radiologically stable. Mean decrease of the overall BMD in the femoral metaphysis was 14.3%, and mean decrease of cortical BMD was 17.3%. In the diaphysis, mean decrease of overall BMD was 5.5% and mean decrease of cortical BMD was 4.5%. Observed loss was markedly lower than in comparable series with uncemented stems.

References

Aug 1, 1987·Radiology·W A KalenderJ Ebersberger
Feb 2, 1999·The Journal of Arthroplasty·M A Freeman
Sep 1, 2000·Archives of Orthopaedic and Trauma Surgery·M SchrammR P Pitto
Nov 26, 2002·Journal of Biomechanics·Markus LengsfeldPeter Griss

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Citations

Oct 18, 2006·International Orthopaedics·R P PittoJ Munro
Jan 17, 2007·International Orthopaedics·Keiji SanoKengo Yamamoto
Sep 1, 2015·Revista española de cirugía ortopédica y traumatología·A Aguilar EzquerraJ Mateo Agudo
Sep 6, 2008·American Journal of Physical Anthropology·Joshua J Peck, Sam D Stout
Jul 11, 2006·Clinical Orthopaedics and Related Research·S M RöhrlB Nivbrant
Jul 22, 2011·The Journal of Bone and Joint Surgery. American Volume·Alexander M KressLutz A Mueller
Dec 19, 2008·The Journal of Bone and Joint Surgery. British Volume·C R DeuelS J Hazelwood

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