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Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_1 | Pages 96 - 96
1 Feb 2020
GUIDED MOTION TOTAL KNEE ARTHROPLASTY SYSTEM IN YOUNGER PATIENTS HAS A LOWER REVISION RATE THAN REGISTRY CONTROLS: RESULTS FROM THE INTERNATIONAL MULTICENTRE STUDY WITH UP TO SIX YEARS’ FOLLOW-UP
Harris A Christen B Malcorps J O'Grady C Sensiba P Vandenneucker H Huang B Cates H Hur J Marra D Kopjar B
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Introduction

Patients ≤ 55 years have a high primary TKA revision rate compared to patients >55 years. Guided motion knee devices are commonly used in younger patients yet outcomes remain unknown.

Materials and Methods

In this sub-group analysis of a large multicenter study, 254 TKAs with a second-generation guided motion knee implant (Journey II Bi-Cruciate Stabilized Knee System, Smith & Nephew, Inc., Memphis) were performed between 2011–2017 in 202 patients ≤ 55 years at seven US and three European sites. Revision rates were compared with Australian Joint Registry (AOANJRR) 2017 data.

Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_1 | Pages 95 - 95
1 Feb 2020
GUIDED MOTION TOTAL KNEE ARTHROPLASTY IN PATIENTS WITH BODY MASS INDEX OF 40 KG/M2 OR MORE: RESULTS FROM THE INTERNATIONAL MULTICENTRE STUDY OF 2,059 PRIMARY TOTAL KNEE ARTHROPLASTIES WITH UP TO SIX YEARS’ FOLLOW-UP
Harris A Christen B Malcorps J O'Grady C Sensiba P Vandenneucker H Huang B Cates H Hur J Marra D Kopjar B
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Introduction/Aim

Outcomes for guided motion primary total knee arthroplasty (TKA) in obese patients are unknown.

Materials and Methods

1,684 consecutive patients underwent 2,059 primary TKAs with a second-generation guided motion implant (Journey II Bi-Cruciate Stabilized Knee System, Smith & Nephew, Inc., Memphis) between 2011–2017 at three European and seven US sites.

Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_1 | Pages 138 - 138
1 Feb 2020
NAVIO® ROBOTIC-ASSISTED SURGICAL SYSTEM FOR TOTAL KNEE ARTHROPLASTY USING JOURNEY® II GUIDED-MOTION TOTAL KNEE SYSTEM
Schwarzkopf R Chow J Burkhardt J Gittins M Kaper B Fabi D Hanson B Kopjar B
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Background

The JOURNEY™ II Cruciate-Retaining Total Knee System (JIICR) and the JOURNEY™ II Bi-Cruciate Stabilized Total Knee System (JIIBCS) (both, Smith & Nephew, Memphis, TN, USA) are used for the treatment of end-stage degenerative knee arthritis. Belonging to the JOURNEY family of knee implants, the relatively new devices are designed to provide guided motion. Studies suggest that long-term outcomes of robotic-assisted navigation in total knee arthroplasty (TKA) are superior to the classical approach. This is the first report describing early postoperative outcomes of the NAVIO® robotic-assisted surgical navigation using the JOURNEY™ II family of knee implants.

Materials & Methods

In this ongoing study, six investigational sites in the US prospectively enrolled 122 patients (122 TKAs, 64 JIIBCS and 58 JIICR). Patients underwent TKA using the NAVIO system (Figure 1), a next-generation semi-autonomous tool that uses handheld miniaturized robotic-assisted instrumentation that the surgeon manipulates in 6 degrees of freedom, but restricts cutting to within the confines of the pre-designated resection area of the patient's bone. The primary outcome was postoperative mechanical alignment on long leg X-ray at one month postoperative compared to operative target alignment. Alignment within ±3 degrees of the target alignment was considered a success.