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- Title
A randomized controlled clinical and radiological trial about outcomes of navigation-assisted TKA compared to conventional TKA: long-term follow-up.
- Authors
Song, E.; Agrawal, Pranav; Kim, S.; Seo, H.; Seon, J.; Song, E K; Agrawal, Pranav R; Kim, S K; Seo, H Y; Seon, J K
- Abstract
<bold>Purpose: </bold>Well balanced knees with good alignment are essential for a well-functioning TKA with long survival of its implants. This prospective randomized study comparing navigation-assisted TKA and conventional TKA reported the clinical and radiological outcomes at a follow-up of 9 years. The purpose of this study was to compare the clinical and radiological outcomes for patients who underwent navigation-assisted TKA or conventional TKA after long-term follow-up.<bold>Methods: </bold>A total of 80 patients (88 knees) were available for physical and radiological examination 9 years after TKA. Clinical outcomes were evaluated using HSS, WOMAC, and KS function and pain scores. And radiological outcomes of the component loosening and its survivorship during 9-year follow-up were also evaluated.<bold>Results: </bold>There were no significant differences in the field of clinical outcomes between the two groups. In terms of radiological outcomes, the navigation group had fewer alignment outliers (7.3 vs 20 %, p = 0.006). Although the clinical outcomes showed no differences between the two groups, the survival rate was slightly better in the navigation group than in the conventional group without statistical significance (best-case scenario 100 vs 95.3 %, n.s., worst-case scenario 95.6 vs 88.4 %, n.s.).<bold>Conclusion: </bold>Navigation-assisted TKA produced better alignment outcomes and better survival rates than conventional instruments although some of the differences were not statistically significant.<bold>Level Of Evidence: </bold>I.
- Subjects
TOTAL knee replacement; ORTHOPEDIC implants; HEALTH outcome assessment; RANDOMIZED controlled trials; KNEE radiography; RADIOLOGY; KNEE surgery; COMPARATIVE studies; LONGITUDINAL method; RESEARCH methodology; MEDICAL cooperation; QUESTIONNAIRES; RADIOGRAPHY; RESEARCH; EVALUATION research; TREATMENT effectiveness; COMPUTER-assisted surgery; EQUIPMENT &; supplies
- Publication
Knee Surgery, Sports Traumatology, Arthroscopy, 2016, Vol 24, Issue 11, p3381
- ISSN
0942-2056
- Publication type
journal article
- DOI
10.1007/s00167-016-3996-2