Implementation of a CT-based navigation system in two-stage reimplantation for infected total knee arthroplasty |
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Authors: | Perlick Lars Bäthis Holger Tingart Markus Grifka Joachim |
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Institution: | Department of Orthopaedic Surgery, University of Regensburg, Postfach 100662, 93042 Regensburg. lars.perlick@klinik.uni-regensburg.de |
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Abstract: | Femorotibial alignment is an important factor affecting patient outcome after total knee arthroplasty (TKA). It was the aim of this study to report our first results using a CT-based navigation system in two-stage revision surgery for infected TKA. Two patients with chronic deep infection after primary TKA underwent two-stage revision arthroplasty with temporary articulating cement spacers followed by prosthesis re-implantation using a CT-based navigation system. Postoperative radiographs showed accurate alignment of the femoral and tibial components. CT-based navigation systems offer the opportunity for preoperative planning and accurate intra-operative navigation of cutting blocks. They can be considered of value for primary TKA but even more so for two-stage revision arthroplasty. |
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