Effects of posterior condylar osteophytes on gap balancing in computer-assisted total knee arthroplasty with posterior cruciate ligament sacrifice
European Journal of Orthopaedic Surgery and Traumatology, ISSN: 1432-1068, Vol: 28, Issue: 4, Page: 677-681
2018
- 14Citations
- 29Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations14
- Citation Indexes14
- 14
- CrossRef8
- Captures29
- Readers29
- 29
Article Description
Objective: Gap planning in navigated total knee arthroplasty (TKA) is a critical concern. Osteophytes are normally removed prior to gap planning, with the exception of posterior condylar osteophytes of the femur, which are removed after posterior condylar resection. This study investigated how posterior condylar osteophytes affect gap balancing during surgery. Methods: This prospective study was conducted on 40 primary varus osteoarthritic knees with a posterior condylar osteophyte that underwent TKA navigation. For all knees, computed tomography (CT) was performed to evaluate osteophyte position. The extension gap and flexion gap were determined under navigation using a tension device with a distraction force of 44 lb. The extension gap and flexion gap were measured before and after osteophyte removal. Results: This study revealed that the average osteophyte thickness after removal was 7.75 ± 5.34 mm. The average extension gap change was 0.64 ± 0.80 mm, and the average flexion gap change was 0.85 ± 1.12 mm. With respect to increases in the medial extension gap, lateral extension gap, medial flexion gap and lateral flexion gap, the average effects of posterior condylar osteophyte removal were 0.74 ± 0.81 mm, 0.53 ± 0.96 mm, 0.71 ± 0.97 mm and 1.00 ± 1.41 mm, respectively. Posterior condylar osteophyte thickness was also significantly associated with increases in the lateral extension gap (R = 0.107, p = 0.03), medial flexion gap (R = 0.101, p = 0.04) and lateral flexion gap (R = 0.107, p = 0.04). Conclusion: These results indicated that posterior condylar osteophytes of the femur affect gap balancing during TKA navigation.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85040032889&origin=inward; http://dx.doi.org/10.1007/s00590-017-2118-2; http://www.ncbi.nlm.nih.gov/pubmed/29302780; http://link.springer.com/10.1007/s00590-017-2118-2; https://dx.doi.org/10.1007/s00590-017-2118-2; https://link.springer.com/article/10.1007/s00590-017-2118-2
Springer Science and Business Media LLC
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