eISSN: 2084-9834
ISSN: 0034-6233
Reumatologia/Rheumatology
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5/2013
vol. 51
 
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abstract:
Case report

Heterotopic ossifications after two-stage septic revision knee arthroplasty in a rheumatoid arthritis patient

Robert Wróblewski
,
Ines Pokrzywnicka-Gajek
,
Jacek Kowalczewski

Reumatologia 2013; 51, 5: 389-393
Online publish date: 2013/10/31
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We present a case of a 68-year-old woman suffering from rheumatoid arthritis (RA). Due to infection of a knee prosthesis, two-stage treatment was performed: cement spacer, and revision arthroplasty. Staphylococcus aureus was identified from the operative samples. Radiograms carried out 3 months after the spacer implantation showed ossifications on the anterior cortex of the femur. Revision arthroplasty was performed after normalization of CRP, IL-6 and ESR. Ossifications caused significant limitation of ROM of the knee. It is the first case of an RA patient who presented massive heterotopic ossifications after an infection of a total knee arthroplasty (TKA) in our clinical practice. Revision arthroplasty of the knee, particularly of an S. aureus infection, caused a higher risk of heterotopic ossifications.
keywords:

rheumatoid arthritis, infection, total knee arthroplasty, heterotopic ossifications







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