Does patella position influence ligament balancing in total knee arthroplasty?
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| 024 | 7 | 0 | |a 10.1007/s00167-014-2879-7 |2 doi |
| 035 | |a (NATIONALLICENCE)springer-10.1007/s00167-014-2879-7 | ||
| 245 | 0 | 0 | |a Does patella position influence ligament balancing in total knee arthroplasty? |h [Elektronische Daten] |c [Jung-Ro Yoon, Kwang-Jun Oh, Joon Wang, Jae-Hyuk Yang] |
| 520 | 3 | |a Purpose: In vivo comparative gap measurements were performed in three different patella positions (reduced, subluxated and everted) using offset-type-force-controlled-spreader-system. Methods: Prospectively, 50 knees were operated by total knee arthroplasty using a navigation-assisted gap-balancing technique. The offset-type-force-controlled-spreader-system was used for gap measurements. This commercially available instrument allows controllable tension in patella-reduced position. The mediolateral gaps of knee extension (0°) and flexion (90°) angle were recorded in three different patella positions; reduced, subluxated and everted. Any gap differences of more than 3mm were considered as a meaningful difference. Correlation between the difference with the demographic data, preoperative radiologic alignment and intraoperative data was analysed. For statistical analysis, ANOVA and Pearson's correlation test were used. Results: The gaps in patella eversion demonstrated smaller gaps both in knee extension and flexion position compared to the gaps of patella reduction position. The amount of decreased gaps was more definite in knee flexion position. Statistically significant difference was observed for the lateral gap of patella eversion compared to gap of patella reduction in knee flexion position (p<0.05). There were notable cases of variability in knee flexion position. Significant portion of 12 (24%) knees of patella subluxation and 33 (66%) knees of patella evertion demonstrated either increased or decreased gaps in knee flexion position compared to the gaps of patella reduction position. Conclusion: The gaps in patella eversion demonstrated smaller gaps both in knee extension and flexion position compared to the gaps of patella reduction position. The amount of decreased gaps was more definite in knee flexion position. Therefore, the intraoperative patellar positioning has influence on the measurement of the joint gap. Keeping the patella in reduced position is important during gap balancing. Level of evidence: I. | |
| 540 | |a Springer-Verlag Berlin Heidelberg, 2014 | ||
| 690 | 7 | |a Gap technique |2 nationallicence | |
| 690 | 7 | |a Patella |2 nationallicence | |
| 690 | 7 | |a Subluxated |2 nationallicence | |
| 690 | 7 | |a Everted |2 nationallicence | |
| 690 | 7 | |a Navigation |2 nationallicence | |
| 690 | 7 | |a Total knee arthroplasty |2 nationallicence | |
| 700 | 1 | |a Yoon |D Jung-Ro |u Department of Orthopaedic Surgery, Veterans Health Service Medical Center, 6-2 Dunchon Dong, Kangdong Ku, Seoul, Republic of Korea |4 aut | |
| 700 | 1 | |a Oh |D Kwang-Jun |u Department of Orthopaedic Surgery, School of Medicine, Konkuk University, Seoul, Republic of Korea |4 aut | |
| 700 | 1 | |a Wang |D Joon |u Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea |4 aut | |
| 700 | 1 | |a Yang |D Jae-Hyuk |u Department of Orthopaedic Surgery, Veterans Health Service Medical Center, 6-2 Dunchon Dong, Kangdong Ku, Seoul, Republic of Korea |4 aut | |
| 773 | 0 | |t Knee Surgery, Sports Traumatology, Arthroscopy |d Springer Berlin Heidelberg |g 23/7(2015-07-01), 2012-2018 |x 0942-2056 |q 23:7<2012 |1 2015 |2 23 |o 167 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s00167-014-2879-7 |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-springer | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s00167-014-2879-7 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Yoon |D Jung-Ro |u Department of Orthopaedic Surgery, Veterans Health Service Medical Center, 6-2 Dunchon Dong, Kangdong Ku, Seoul, Republic of Korea |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Oh |D Kwang-Jun |u Department of Orthopaedic Surgery, School of Medicine, Konkuk University, Seoul, Republic of Korea |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Wang |D Joon |u Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Yang |D Jae-Hyuk |u Department of Orthopaedic Surgery, Veterans Health Service Medical Center, 6-2 Dunchon Dong, Kangdong Ku, Seoul, Republic of Korea |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Knee Surgery, Sports Traumatology, Arthroscopy |d Springer Berlin Heidelberg |g 23/7(2015-07-01), 2012-2018 |x 0942-2056 |q 23:7<2012 |1 2015 |2 23 |o 167 | ||