Navigation in total-knee arthroplasty: CT-based implantation compared with the conventional technique

Acta Orthopaedica Scandinavica
L PerlickJ Grifka

Abstract

Background Exact axial limb alignment in total-knee arthroplasty (TKA) is important for a successful outcome. We evaluated the efficiency of computer-assisted implantation in TKA and compared it with the classical surgeon-controlled technique. Patients and methods We implanted 100 TKA using either the computer-assisted technique (50) or the conventional approach (50). There were no significant differences between the groups regarding the preoperative leg deformity. Accuracy of implantation was determined in postoperative long-leg coronal and lateral radiographs. Results A postoperative leg axis between 3 degrees varus and 3 degrees valgus was achieved in 46 patients in the group with computer-assisted implantation and 36 patients in the control group (p=0.01). A significant difference was also seen for the femoral component alignment in frontal plane. No complications influencing the clinical outcome were observed. Interpretation A CT-based navigation system improves the accuracy of TKA, but higher costs and time-consuming planning will mean that its usage is limited to special cases. Additional tools such as ligament balancing, which are presently only available with the CT-free software module, require to be added to the CT-b...Continue Reading

References

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Citations

Sep 28, 2007·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Markus TingartLars Perlick
Dec 24, 2008·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Young-Bok JungJae Jun Yang
Jul 7, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Tao ChengXianlong Zhang
Jun 25, 2013·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·A JawharH P Scharf
Jun 1, 2006·International Orthopaedics·F Maculé-BeneytoB Seral Garcia
Jul 1, 2008·International Orthopaedics·Jong Keun SeonEun Kyoo Song
Nov 16, 2007·Archives of Orthopaedic and Trauma Surgery·Michael OberstUlrich Holz
May 16, 2008·Sports Medicine and Arthroscopy Review·Douglas W Jackson, Timothy M Simon
May 16, 2008·Sports Medicine and Arthroscopy Review·Jason L Koh
Jul 24, 2012·The Knee·R IorioA Ferretti
Dec 20, 2005·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·C LuringJ Grifka
Jul 16, 2008·Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery·Stefan KlimaChristoph Josten
Jun 20, 2006·Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery·Michael OberstU Holz
Dec 15, 2007·The Journal of Arthroplasty·J Bohannon MasonKyle Fahrbach
Jul 29, 2015·Clinics in Orthopedic Surgery·Ju Hong Lee, Seong-Il Wang
Apr 18, 2013·Computer Methods in Biomechanics and Biomedical Engineering·Christopher J GattiRichard E Hughes
May 18, 2016·Annals of Physical and Rehabilitation Medicine·Nicolas de l'EscalopierDavid Biau
Jul 3, 2016·The Journal of Arthroplasty·Teruyuki MiyasakaKeishi Marumo
Jul 11, 2007·Clinical Orthopaedics and Related Research·Arno MartinArchibald von Strempel
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