One Stage Conversion of an Infected Fused Knee to Total Knee Replacement - A Surgical Challenge

Mukartihal Ravikumar, Daniel Kendoff *, Mustafa Citak, Stefan Luck, Thorsten Gehrke , Akos Zahar
Helios ENDO-Klinik Hamburg, Department of Orthopaedic Surgery, Holstenstraße 2, 22767 Hamburg, Germany

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© Ravikumar et al.; Licensee Bentham Open.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution License ( which permits unrestrictive use, distribution, and reproduction in any medium, provided the original work is properly cited.

* Address correspondence to this author at the Department of Orthopaedic Surgery, Endo Klinik Hamburg, Holstenstrasse 2, D-22767 Hamburg, Germany; Tel: +49 40 3197 0; Fax: +49 40 3197 1963; E-mail:


Background and Purpose:

Two-stage revision arthroplasty is a common technique for the treatment of infected total knee replacement. Few reports have addressed the conversion of a fused knee into a total knee replacement. However, there is no case reported of converting an infected fused knee into a hinge knee using a one-stage procedure.


We report on a 51-year old male patient with an infected fused knee after multiple surgeries.

Results and Interpretation:

A one-stage conversion of septic fused knee into total knee arthroplasty by a rotational hinge prosthesis was performed. The case highlights that with profound preoperative assessment, meticulous surgical technique, combined antibiotic treatment and the right implant, one-stage revision in a surgical challenge may have a role as a treatment option with good functional outcome.

Keywords: Infection, knee arthrodesis, one-stage revision, total knee arthroplasty, two-stage revision.