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Comparative Study
. 2012 Jul;36(7):1393-7.
doi: 10.1007/s00264-012-1486-9. Epub 2012 Jan 25.

Sex-related outcome differences after implantation of low-contact-stress mobile-bearing total knee arthroplasty

Norbert Kastner  1 , Gerald Gruber, Birgit A Aigner, Jörg Friesenbichler, Michael Pechmann, Florentine Fürst, Patrick Vavken, Andreas Leithner, Patrick Sadoghi
Affiliations
Comparative Study

Sex-related outcome differences after implantation of low-contact-stress mobile-bearing total knee arthroplasty

Norbert Kastner et al. Int Orthop. 2012 Jul.

Abstract

Purpose: The aim of the study was to investigate outcome differences between female and male patients after implantation of low-contact-stress (LCS) mobile-bearing total knee prostheses at a minimum follow-up of five years with respect to clinical and radiological parameters.

Methods: We retrospectively analysed 128 prostheses in 126 patients (90 women and 34 men) using our hospital database. Data was extracted with respect to range of motion (ROM), the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score, the Knee Society Score (KSS) and radiolucent lines on conventional X-rays.

Results: At follow-up, we observed no significant differences between female and male patients after LCS total knee prostheses. Benefit after implantation of LCS total knee prostheses after five years of minimum follow-up was not significantly different between female and male patients in terms of clinical outcome or radiolucent lines.

Conclusions: We found no factors in favour of gender-specific total knee prostheses.

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Figures

Fig. 1
Fig. 1
Radiolucent lines according to Ewald et al. [18] were classified in 128 patients (90 women and 36 men) after implantation of low-contact-stress total knee prosthesis and analysed with respect to potential sex-related differences. The figure illustrates the classification dividing the tibial plateau into seven different zones indicative for poor implant seating
See this image and copyright information in PMC

References

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