期刊
JOURNAL OF ARTHROPLASTY
卷 36, 期 10, 页码 3451-3455出版社
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2021.06.007
关键词
EM navigation; clinical follow-up; total knee arthroplasty; randomized controlled trial; implant survivorship
类别
资金
- Zimmer Biomet (Warsaw, Indiana)
This study found that there were continued improvements in clinical scores of patients in both conventional and navigated surgery groups at 5 years, with no statistical difference in patient-reported outcome measures. However, improved implant survivorship was observed in the navigated surgery group compared to the conventional group. Further research is needed to evaluate long-term implant survivorship and cost effectiveness of electromagnetic computer navigated technology.
Background: The objective of this study is to provide the 5-year follow-up results of a randomized study comparing conventional versus electromagnetic computer navigated total knee arthroplasty. Methods: Analysis of 127 patients (66 navigated and 61 conventional surgeries) was performed from a prospective, single-blinded, randomized controlled trial. Patient-reported outcome measures were collected at 5 years after surgery and compared with previously published 1-year clinical outcomes. Fiveyear surgical revision rates were collated and compared between intervention groups. Results: Overall, there have been continued improvements in the clinical scores of patients in both groups when compared with clinical data at 1 year; however, at 5 years, there is no statistical difference in any of the patient-reported outcome measures between conventional and navigated surgery. Interestingly, improved implant survivorship was observed in the navigated (0% revision rate) compared with the conventional group (4.9% all-cause revision rate). Conclusion: Electromagnetic computer navigated technology produces similar clinical outcomes compared with traditional surgery. Further work is required to monitor implant survivorship, and clinical outcomes with long-term follow-up, to determine the cost effectiveness of this technology. Crown Copyright (c) 2021 Published by Elsevier Inc. All rights reserved.
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