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

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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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Competing interests

There exist no financial or non-financial competing interests in case of any author of this manuscript. No benefits or funds were received in support for the study.

Author information

Correspondence to Patrick Sadoghi.

Additional information

Level of evidence

Level III – retrospective comparative analysis

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Kastner, N., Gruber, G., Aigner, B.A. et al. Sex-related outcome differences after implantation of low-contact-stress mobile-bearing total knee arthroplasty. International Orthopaedics (SICOT) 36, 1393–1397 (2012). https://doi.org/10.1007/s00264-012-1486-9

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Keywords

  • Total Knee Arthroplasty
  • Pantoprazole
  • Knee Society Score
  • Radiolucent Line
  • WOMAC Score