{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T20:18:39Z","timestamp":1788898719064,"version":"build-2803163510"},"reference-count":28,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,8,10]],"date-time":"2022-08-10T00:00:00Z","timestamp":1660089600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To compare the functional and alignment outcomes of intramedullary nail fixation using suprapatellar and infrapatellar approaches in treating distal tibial fractures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In this retrospective study, 132 patients with distal tibial fractures (87 men, 45 women) ranging in age from 20 to 66\u2009years were treated with intramedullary nails using the suprapatellar (69 patients) or infrapatellar (63 patients) approach. The radiographic alignment outcomes and ankle function were compared between the two groups. Multivariate logistic regression analyses were performed to determine which variety influenced ankle functional scores and whether the suprapatellar approach intervention demonstrated a protective effect.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean follow\u2010up time was 14.22\u2009\u00b1\u20092.31\u00a0months. The mean sagittal section angle of the fracture in the suprapatellar and infrapatellar approach groups was 3.20\u00b0\u2009\u00b1\u20091.20\u00b0 and 5.31\u00b0\u2009\u00b1\u20091.23\u00b0, respectively (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). The mean coronal section angle was 3.51\u00b0\u2009\u00b1\u20090.89\u00b0 and 5.42\u00b0\u2009\u00b1\u20091.05\u00b0, respectively (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). Three patients (4.3%) in the suprapatellar approach group and 15 patients (23.8%) in the infrapatellar approach group had poor fracture reduction (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). The mean hind foot functional score and ankle pain score were 95.91\u2009\u00b1\u20094.70 and 35.91\u2009\u00b1\u20094.70 points, respectively, in the suprapatellar approach group and 85.20\u2009\u00b1\u20095.61 and 25.20\u2009\u00b1\u20095.61 points, respectively, in the infrapatellar approach group (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001 for both). In the comparison of ankle function, the multivariate logistic regression analyses demonstrated that the odds ratio in the suprapatellar approach group was about 7 times that in the infrapatellar approach group (odds ratio, 7.574; 95% confidence interval, 2.148\u201328.740; <jats:italic>P<\/jats:italic>\u00a0=\u00a00.002). Of the variants measured, the statistically significant risk factors for poor ankle function were AO type A3 (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.016) and diabetes mellitus (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.006). Sex and the operation interval were not statistically significant risk factors for poor ankle function.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Intramedullary nailing using the suprapatellar approach facilitates simple fracture reduction, excellent postoperative fracture alignment, and few complications, giving it obvious advantages over the conventional infrapatellar approach. Additionally, the suprapatellar approach is a prognostic factor associated with postoperative ankle joint function.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.13397","type":"journal-article","created":{"date-parts":[[2022,8,10]],"date-time":"2022-08-10T09:30:21Z","timestamp":1660123821000},"page":"2350-2360","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Intramedullary Nail Fixation by Suprapatellar and Infrapatellar Approaches for Treatment of Distal Tibial Fractures"],"prefix":"10.1111","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7903-8209","authenticated-orcid":false,"given":"Feng","family":"Gao","sequence":"first","affiliation":[{"name":"Shanghai University of Medicine &amp; Health Sciences Affiliated Zhoupu Hospital, Shanghai Pudong New District Zhoupu Hospital  Shanghai 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