{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,16]],"date-time":"2026-02-16T19:03:03Z","timestamp":1771268583395,"version":"3.50.1"},"reference-count":41,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2024,12,19]],"date-time":"2024-12-19T00:00:00Z","timestamp":1734566400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["esskajournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate factors associated with revision anterior cruciate ligament reconstruction (ACLR) within 5 years of primary ACLR in children and adolescents.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Children and adolescents (age &lt;20 years at surgery) who underwent primary hamstring tendon ACLR at the Capio Artro Clinic, Stockholm, Sweden, between January 2005 and December 2018 were identified. Revision ACLR within 5 years of primary ACLR was captured in the Swedish National Knee Ligament Registry. Univariable and multivariable logistic regression analyses were used to evaluate the associations between revision ACLR and preoperative (age, sex, body mass index, time from injury to surgery, pre\u2010injury Tegner activity level, medial collateral ligament injury, passive contralateral knee hyperextension [\u2264\u22125\u00b0]), intraoperative (medial meniscus and lateral meniscus [LM] resection or repair, cartilage injury and graft diameter) and post\u2010operative (KT\u20101000 side\u2010to\u2010side anterior knee laxity, limb symmetry index for extension and flexion strength and single\u2010leg\u2010hop (SLH) test performance at 6 months) factors at primary ACLR.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 1888 patients (mean age: 16.0\u2009\u00b1\u20092.0, range: 8\u201319 years) who underwent primary ACLR were included. The overall incidence of revision ACLR within 5 years was 9.0% (170 out of 1888). Univariable analysis revealed that a time from injury to primary ACLR of &lt;5 months (odds ratio [OR]: 2.27, 95% confidence interval [CI]: 1.61\u20132.35, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001) and LM resection (OR: 1.49, 95% CI: 1.00\u20132.20, <jats:italic>p<\/jats:italic>\u2009=\u20090.04) increased the odds of revision ACLR. Multivariable analysis showed that revision ACLR was significantly associated only with a time from injury to primary ACLR of &lt;5 months (OR: 2.56, 95% CI: 1.72\u20133.70, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>There was a lack of association between revision ACLR and preoperative, intraoperative and post\u2010operative factors at primary ACLR in children and adolescents. A time from injury to primary ACLR of &lt;5 months was the only factor associated with revision ACLR within 5 years.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>Level III.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ksa.12568","type":"journal-article","created":{"date-parts":[[2024,12,19]],"date-time":"2024-12-19T05:57:54Z","timestamp":1734587874000},"page":"3457-3465","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Lack of association between revision ACL reconstruction and preoperative, intraoperative and post\u2010operative factors at primary ACL reconstruction in children and adolescents"],"prefix":"10.1002","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3286-4060","authenticated-orcid":false,"given":"Riccardo","family":"Cristiani","sequence":"first","affiliation":[{"name":"Department of Molecular Medicine and Surgery Section of Sports Medicine, Karolinska 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