Navigated lateral unicompartmental knee arthroplasty - Technique and case report

• Authors: Daniel Kendoff , Paolo Benedetto , Asheesh Bedi , Mustafa Citak , Lucien Olivier , Andrew Pearle
• Languages of publication: EN

Abstracts

EN

Lateral unicompartmental knee arthroplasty (UKA) outcomes have been inferior to those described after medial UKA. Inaccurate implant positioning and mechanical axis malalignment appear to be the most common technical errors. Rare studies or failure identification on lateral UKA are currently presented in the literature. We describe the utilization of computer-assisted lateral UKA placement for lateral knee osteoarthritis with a valgus malalignment of 10°. Navigation allows for a dynamic intraoperative visualisation of the mechanical axis, as well as for accurate component positioning and overall postoperative limb alignment. The systems allow the knee position to be captured with appropriate tension in extension and flexion prior to making definite cuts. Postoperatively, no instabilities occurred with a precise component placement. Navigation can be used in rare cases for lateral UKA.

Keywords

EN

Navigation; Lateral unicompartmental knee arthroplasty; Computer assisted surgery; Knee kinematics

• Publisher: De Gruyter Open
• Journal: Open Medicine
• Year: 2009
• Volume: 4
• Issue: 3
• Pages: 382-387

Dates

published

1 - 9 - 2009

online

3 - 7 - 2009

Contributors

author

Daniel Kendoff

• Orthopaedic Department, Hospital for Special Surgery, 10021, New York, USA

author

Paolo Benedetto

• Clinica Ortopedica e Traumatologica, Università degli Studi di Udine, Udine, Italy

author

Asheesh Bedi

• Orthopaedic Department, Hospital for Special Surgery, 10021, New York, USA

author

Mustafa Citak

• Unfallchirurgische Klinik, St. Josefs Krankenhaus, 49661, Cloppenburg, Germany

author

Lucien Olivier

• Chirurgische Klinik und Poliklinik, Berufsgenossenschaftliches Universitätsklinikum Bergmannsheil GmbH, Bochum, Germany

author

Andrew Pearle

• Orthopaedic Department, Hospital for Special Surgery, 10021, New York, USA

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Identifiers

DOI

10.2478/s11536-009-0051-4