{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:56:44Z","timestamp":1775005004627,"version":"3.50.1"},"reference-count":29,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2021,10,28]],"date-time":"2021-10-28T00:00:00Z","timestamp":1635379200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2021,10,28]],"date-time":"2021-10-28T00:00:00Z","timestamp":1635379200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Musculoskelet Disord"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Background<\/jats:title>\n                <jats:p>Studies have shown that medial subluxation of the tibia occurs after anterior cruciate ligament (ACL) rupture. However, it is unclear whether anterior cruciate ligament reconstruction (ACLR) can correct tibial coronal subluxation.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Purpose<\/jats:title>\n                <jats:p>To determine whether the tibia is medially subluxated after ACL rupture, and whether ACLR can correct medial subluxation of the tibia.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Study design<\/jats:title>\n                <jats:p>Case series; Level of evidence, 4, Retrospective clinical study.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>The distance of tibial coronal subluxation before and after ACLR surgery was measured in 48 patients with ACL rupture and meniscus injury. Tibiofemoral subluxation was defined as the perpendicular distance between the long axis of the tibia and a second parallel line originating at the most proximal aspect of the femoral intercondylar notch. To determine the long axis of the tibia, two circles separated by 5\u2009cm were centered on the proximal tibia. The proximal circle is 5\u2009cm from the tibial plateau, and the distal circle is 5\u2009cm from the proximal circle. The line passing through the center of the two circles was considered the long axis of the proximal tibia. Care was taken to ensure that each patient lied on the back with their patellae facing upward, to minimize rotational variation among the radiographs. At the same time, 30 patients with simple meniscus injury who underwent arthroscopy during the same period were selected to determine the degree of tibiofemoral coronal subluxation as the baseline value. The changes before and after operation were compared, as well as the differences with the baseline data.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Result<\/jats:title>\n                <jats:p>The average follow-up period was 21.2\u2009\u00b1\u20095.8\u2009months. The average distance of tibial coronal subluxation before ACLR was 5.5\u2009\u00b1\u20092.1\u2009mm, which was significantly different from that of baseline group (7.3\u2009\u00b1\u20092.1\u2009mm) (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). The tibial subluxation after ACLR was 7.7\u2009\u00b1\u20092.6\u2009mm, which was significantly different from that before operation (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). There was no significant difference in the distance between postoperative tibial subluxation and baseline group (<jats:italic>P<\/jats:italic>\u2009=\u20090.472).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>The tibia was coronally medially subluxated after ACL rupture. ACLR can correct the medial subluxation of tibia. This finding is helpful in the diagnosis of ACL rupture, and can be used to assess the imaging status of the tibiofemoral joint on the coronal plane during or after ACLR.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12891-021-04798-1","type":"journal-article","created":{"date-parts":[[2021,10,28]],"date-time":"2021-10-28T14:02:42Z","timestamp":1635429762000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Coronal subluxation of the tibiofemoral joint before and after anterior cruciate ligament reconstruction"],"prefix":"10.1186","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0616-4893","authenticated-orcid":false,"given":"Ruibo","family":"Li","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xingyue","family":"Yuan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peng","family":"Fu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianjun","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuehong","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,10,28]]},"reference":[{"issue":"6","key":"4798_CR1","doi-asserted-by":"publisher","first-page":"806","DOI":"10.4085\/1062-6050-49.3.35","volume":"49","author":"B Luc","year":"2014","unstructured":"Luc B, Gribble PA, Pietrosimone BG. 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The study was approved by the Bioethics Committee of the People\u2019s Hospital of Deyang City (No. LWH-OP-006-A04-V2.0). Written informed consents were obtained from all individual participants included in the study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not Applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no conflict of interest.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"907"}}