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European Journal of Medical Research

Erschienen in:

01.12.2011 | Research

Migration pattern of cementless press fit cups in the presence of stabilizing screws in total hip arthroplasty

verfasst von: C Zilkens, S Djalali, B Bittersohl, T Kälicke, CN Kraft, R Krauspe, M Jäger

Erschienen in: European Journal of Medical Research | Ausgabe 3/2011

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Abstract

The aim of this study was to evaluate the initial acetabular implant stability and late acetabular implant migration in press fit cups combined with screw fixation of the acetabular component in order to answer the question whether screws are necessary for the fixation of the acetabular component in cementless primary total hip arthroplasty. One hundred and seven hips were available for follow-up after primary THA using a cementless, porous-coated acetabular component. A total of 631 standardized radiographs were analyzed digitally by the "single-film-x-ray-analysis" method (EBRA). One hundred 'and one (94.4%) acetabular components did not show significant migration of more than 1 mm. Six (5.6%) implants showed migration of more than 1 mm. Statistical analysis did not reveal preoperative patterns that would identify predictors for future migration. Our findings suggest that the use of screw fixation for cementless porous- coated acetabular components for primary THA does not prevent cup migration.

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Titel: Migration pattern of cementless press fit cups in the presence of stabilizing screws in total hip arthroplasty
verfasst von: C Zilkens
S Djalali
B Bittersohl
T Kälicke
CN Kraft
R Krauspe
M Jäger
Publikationsdatum: 01.12.2011
Verlag: BioMed Central
Erschienen in: European Journal of Medical Research / Ausgabe 3/2011
Elektronische ISSN: 2047-783X
DOI: https://doi.org/10.1186/2047-783X-16-3-127

Springer Medizin

Abstract

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