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. 2021 Jun;56(3):320-325.
doi: 10.1055/s-0040-1709198. Epub 2020 Jun 10.

Functional Outcome of Patients Undergoing Knee Arthrodesis after Infected Total Arthroplasty

Thiago Vivacqua  1 , Rui Moraes  1 , João Barretto  1 , Naasson Cavanelas  1 , Rodrigo Albuquerque  1 , Alan Mozella  1
Affiliations

Functional Outcome of Patients Undergoing Knee Arthrodesis after Infected Total Arthroplasty

Thiago Vivacqua et al. Rev Bras Ortop (Sao Paulo). 2021 Jun.

Abstract

Objective Retrospectively assess the functional outcome of patients undergoing arthrodesis after septic failure of total knee arthroplasty. Methods Eighteen patients were evaluated, with a mean time of 3.7 years of follow-up. Arthrodesis surgery was performed using a narrow anterior dynamic compression plate, and medial or external fixator in two planes of the joint (Orthofix Bone Growth Therapy, Lewisville, TS, USA), at the surgeon's discretion. Results The most frequent pathogen found was Staphylococcus aureus methicillin sensitive (38.9%). The mean lower limb discrepancy was 3.63 cm. The mean knee society score was 68 points. According to the visual analog scale for pain, 44% of the patients had a 0 score at the time of assessment, and 22.2% were very dissatisfied, despite the bone healing achieved. Patients were assessed for the ability to walk with or without assistance. Conclusion Knee arthrodesis surgery was effective in controlling the infectious process and decreasing pain complaints, but satisfaction with the procedure was low.

Keywords: arthrodesis; arthroplasty, replacement, knee; infection; knee.

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Conflict of interest statement

Conflito de Interesses Os autores declaram não haver conflito de interesses.

Figures

Fig. 1
Fig. 1
Declaration of patient satisfaction with the treatment.
Fig. 1
Fig. 1
Declaração de satisfação dos pacientes com o tratamento.
See this image and copyright information in PMC

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