{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,29]],"date-time":"2026-08-29T13:24:41Z","timestamp":1788009881055,"version":"build-2784847793"},"reference-count":38,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2024,8,27]],"date-time":"2024-08-27T00:00:00Z","timestamp":1724716800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Anterior cruciate ligament (ACL) injuries are becoming more common in youth athletes. Time\u2010to\u2010surgery has been shown to significantly affect the rates of concurrent injuries at the time of ACL reconstruction (ACLR). The purpose of this study was to evaluate if time\u2010to\u2010surgery in ACLR impacts observances of intra\u2010articular injuries and to categorize injury profile in relation to time.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>An Institutional Review Board\u2010approved retrospective cohort study was conducted. Included subjects were aged 21 and below and underwent primary ACLR within 6 months of injury between January 2012 and April 2020. Skeletal maturity was determined via imaging. Laterality, location and severity\/pattern of meniscal and chondral injuries were recorded. Multivariate logistic regression was utilized to identify risk factors for intra\u2010articular pathology. Cut\u2010off analyses were added to regression models to identify trends of concurrent injuries.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Eight hundred and fifty patients met the inclusion criteria. Patients with observed articular cartilage injuries had a significantly longer time\u2010to\u2010surgery of 66 days (<jats:italic>p<\/jats:italic>\u2009=\u20090.01). Risk factors for chondral injury were time\u2010to\u2010surgery (<jats:italic>p<\/jats:italic>\u2009=\u20090.01) and skeletal maturity (<jats:italic>p<\/jats:italic>\u2009=\u20090.01), while medial meniscal tears were prognosticated by time\u2010to\u2010surgery (<jats:italic>p<\/jats:italic>\u2009=\u20090.03), skeletal maturity (<jats:italic>p<\/jats:italic>\u2009=\u20090.01) and body mass index (<jats:italic>p<\/jats:italic>\u2009=\u20090.00). Cut\u2010off analysis showed that after 40 days the proportion of patients with observed chondral injury increased with time to surgery and that there were significantly different observances of chondral (<jats:italic>p<\/jats:italic>\u2009=\u20090.00) and medial meniscal (<jats:italic>p<\/jats:italic>\u2009=\u20090.03) injuries in the 6\u2010week model, as compared to the continuous time model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Longer time\u2010to\u2010surgery in ACLR is associated with higher rates of concomitant intra\u2010articular pathology, especially chondral injuries. After 40 days, the observed rates of intra\u2010articular injury increase proportionately with time from injury. A 6\u2010week categorical model best stratifies intra\u2010articular injury risk profile. Risk factor analysis identified skeletally mature patients with delayed surgery of &gt;12 weeks to be at the highest risk for both chondral and medial meniscal injuries after an ACLR.<\/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.12423","type":"journal-article","created":{"date-parts":[[2024,8,27]],"date-time":"2024-08-27T04:55:36Z","timestamp":1724734536000},"page":"1192-1201","source":"Crossref","is-referenced-by-count":9,"title":["After 40 days intra\u2010articular injury, risk profile increases linearly with time to surgery in adolescent patients undergoing primary anterior cruciate ligament reconstruction"],"prefix":"10.1002","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7382-5191","authenticated-orcid":false,"given":"Todd","family":"Phillips","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Baylor College of Medicine Houston Texas 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California Orthopedic Institute Van Nuys California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,8,27]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/03635465231192987"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546514559912"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1177\/2325967119880553"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546507312164"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546515608483"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2009.09.002"},{"issue":"1","key":"e_1_2_12_8_1","first-page":"101","article-title":"Intra\u2010articular pathology associated with acute and chronic anterior cruciate ligament reconstruction","volume":"39","author":"Burnett R.A.","year":"2019","journal-title":"The Iowa Orthopaedic 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