Cup placement in hip replacement surgery -- A comparison of free-hand and computer assisted cup placement in total hip arthroplasty -- a multi-center study

Zeitschrift für Orthopädie und ihre Grenzgebiete
G SaxlerK Bernsmann

Abstract

The purpose of the current study was to determine the accuracy of free hand and computer-assisted (CAS) cup placement. Between June 1985 and August 2001, 105 free-hand and from March to November 1999 80 total hip arthroplasties under computer assistance were implanted in the above mentioned centers. To determine the accuracy of the cups, the inclination and anteversion angles were measured. In all cases the cup position was measured with a CT-investigation of the pelvis. Statistical analysis was performed with the F-test. With regard to the inclination and anteversion angles the variability of the cup position was significantly higher in the group of free hand implanted cups. In the CAS group we could not find any "extreme" positions. Using computer-assisted surgery a significantly higher reproducible cup position can be obtained. Long time survey may present a lowering of the rate of early and late complications caused by better prostheses alignment in the follow up.

Citations

Jul 1, 2006·Archives of Orthopaedic and Trauma Surgery·Axel MarxGuido Saxler
Jul 5, 2008·Archives of Orthopaedic and Trauma Surgery·J BeckmannF X Köck
Apr 17, 2013·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Yu-Lin LiShi-Qing Feng
Oct 23, 2012·Journal of Biomechanical Engineering·Shahram AmiriDavid R Wilson
Jan 18, 2006·Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery·Moritz TannastKlaus-Arno Siebenrock
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Nov 18, 2009·Acta Orthopaedica·Johannes BeckmannChristian Lüring
May 16, 2009·Spine·Liliana Olim GouveiaJoaquim J Ferreira
Dec 12, 2007·Archives of Orthopaedic and Trauma Surgery·Radek HartPeter Filan
Dec 21, 2005·Skeletal Radiology·M TannastK A Siebenrock
Jul 5, 2005·Clinical Orthopaedics and Related Research·Moritz TannastFrank Langlotz
Sep 21, 2010·Clinical Orthopaedics and Related Research·Simon D SteppacherStephen Barry Murphy
Feb 7, 2014·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Daniel A MüllerClaudio Dora
Sep 25, 2012·Clinical Orthopaedics and Related Research·William S MurphyGuoyan Zheng

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