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High Rate of Radiographic Union at the Fibular Osteotomy Site With No Complications After an Acute Oblique Osteotomy and Ligation Procedure to Shorten the Fibula in High Tibial Osteotomy
| Title: | High Rate of Radiographic Union at the Fibular Osteotomy Site With No Complications After an Acute Oblique Osteotomy and Ligation Procedure to Shorten the Fibula in High Tibial Osteotomy |
| Authors: | Ueda, Daisuke Browse this author | | Yasuda, Kazunori Browse this author | | Kaibara, Takuma Browse this author | | Yabuuchi, Koji Browse this author | | Yamaguchi, Jun Browse this author | | Onodera, Jun Browse this author | | Iwasaki, Norimasa Browse this author | | Yagi, Tomonori Browse this author | | Kondo, Eiji Browse this author →KAKEN DB |
| Keywords: | fibular osteotomy | | high tibial osteotomy | | lateral closing wedge | | complication | | union rate |
| Issue Date: | 1-Aug-2022 |
| Publisher: | SAGE Publications |
| Journal Title: | Orthopaedic journal of sports medicine |
| Volume: | 10 |
| Issue: | 8 |
| Publisher DOI: | 10.1177/23259671221117480 |
| Abstract: | Background: A fibular shortening osteotomy is needed to perform lateral closing-wedge high tibial osteotomy (LCW-HTO). To achieve this shortening, we have recently developed an acute oblique osteotomy and ligation (AO/L) procedure for the center of the fibular shaft, based on the AO procedure. Purpose: To compare the 2-year follow-up outcomes between the AO/L procedure and the AO procedure. Study Design: Cohort study; Level of evidence, 2. Methods: A prospective comparative cohort study was conducted involving 83 patients (83 knees) who underwent shortening osteotomy of the fibula in LCW-HTO between April 2017 and March 2019. The first consecutive 41 knees (AO group) underwent fibular osteotomy with the AO procedure. The remaining 42 knees (AO/L group) underwent fibular osteotomy with the AO/L procedure. All of the patients were evaluated for at least 2 years postoperatively via clinical and radiological assessments. To determine the time needed for complete union at the osteotomy site, we evaluated the radiographs using a radiographic union score for tibial fractures, which was modified for fibular osteotomy. Comparison of outcomes between the 2 groups was performed using the Student t test for continuous variables and the Mann-Whitney U test or Fisher exact test for discrete variables. Results: Around the fibular osteotomy site, no perioperative complications were found in either group. The radiographic union score was significantly higher in the AO/L group than in the AO group (P < .0001 at 2, 3, and 6 months; P = .0290 at 12 and 24 months). The union rate at the fibular osteotomy site was significantly higher in the AO/L group (97.6%) than in the AO group (82.9%) at 12 months (P = .0290). Conclusion: The AO/L procedure significantly accelerated the formation of bridging callus at the fibular osteotomy site and provided a significantly higher union rate compared with the AO procedure. Both AO/L and AO procedures were free from perioperative complications. These results suggest that the AO/L procedure is clinically useful as an osteotomy procedure to shorten the fibula in LCW-HTO. |
| Type: | article |
| URI: | http://hdl.handle.net/2115/86967 |
| Appears in Collections: | 北海道大学病院 (Hokkaido University Hospital) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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