{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,6]],"date-time":"2026-09-06T22:39:55Z","timestamp":1788734395085,"version":"build-2803163510"},"reference-count":24,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2022,9,9]],"date-time":"2022-09-09T00:00:00Z","timestamp":1662681600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2022,9,9]],"date-time":"2022-09-09T00:00:00Z","timestamp":1662681600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2022,9,9]],"date-time":"2022-09-09T00:00:00Z","timestamp":1662681600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Given that no studies have assessed the correlation between improvements in medial meniscus extrusion (MME) and clinical outcomes after medial opening\u2010wedge high tibial osteotomy (MOWHTO), the present study aimed to measure the improvement in MME after MOWHTO and to investigate the correlation between the remaining postoperative MME and MOWHTO clinical outcomes by subgroup analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This study included 79 patients (80\u00a0knees) who underwent MOWHTO with a minimum follow\u2010up of 2 years. MME was measured pre\u2010 and postoperatively through magnetic resonance imaging after an average of 19.8\u00a0months following MOWHTO surgery. Clinical outcomes were evaluated according to the Knee Injury and Osteoarthritis Outcome Score (KOOS), the Tegner Activity Scale, and the Short\u2010Form 36 questionnaire. In subgroup analysis, postoperative MME was classified into non\u2010pathologic (\u2264\u20093\u00a0mm) and pathologic (&gt;\u20093\u00a0mm) groups. The clinical outcomes of the two groups were compared using Mann\u2013Whitney <jats:italic>U<\/jats:italic> tests. A regression analysis was performed to determine the preoperative and postoperative characteristics associated with the improvement of MME.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean (\u00b1\u2009standard deviation) values for pre\u2010 and postoperative MME were 3.6 (\u00b1\u20091.8) mm and 2.8 (\u00b1\u20091.5) mm, respectively (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). In the subgroup analysis of postoperative MME, the non\u2010pathologic group showed better improvement of KOOS than the pathologic group. Preoperative hip\u2010knee\u2010ankle angle was correlated with the improvement of medial meniscal extrusion in both univariate (<jats:italic>p<\/jats:italic>\u2009=\u20090.049) and multivariate (<jats:italic>p<\/jats:italic>\u2009=\u20090.015) analyses.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The MME improved after MOWHTO, and the clinical outcomes were better for patients with a postoperative MME of less than 3\u00a0mm than for those with more than 3\u00a0mm. MME improvement after MOWHTO was correlated with preoperative varus alignment of the lower extremities.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>III (Retrospective cohort study).<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-022-07148-3","type":"journal-article","created":{"date-parts":[[2022,9,9]],"date-time":"2022-09-09T08:55:23Z","timestamp":1662713723000},"page":"1614-1622","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Increased medial meniscus extrusion led to worse clinical outcomes after medial opening\u2010wedge high tibial osteotomy"],"prefix":"10.1002","volume":"31","author":[{"given":"Chang\u2010Hyun","family":"Lee","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Chonnam National University Medical School and Hospital 322 Seoyang\u2010ro 58128 Hwasun\u2010gun Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hong\u2010Yeol","family":"Yang","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Chonnam National University Medical School and Hospital 322 Seoyang\u2010ro 58128 Hwasun\u2010gun Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6450-2339","authenticated-orcid":false,"given":"Jong\u2010Keun","family":"Seon","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Chonnam National University Medical School and Hospital 322 Seoyang\u2010ro 58128 Hwasun\u2010gun Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,9,9]]},"reference":[{"key":"e_1_2_11_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2007.05.018"},{"key":"e_1_2_11_3_2","doi-asserted-by":"publisher","DOI":"10.1177\/2325967120913531"},{"key":"e_1_2_11_4_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546513490276"},{"key":"e_1_2_11_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2021.07.024"},{"key":"e_1_2_11_6_2","doi-asserted-by":"publisher","DOI":"10.1136\/ard.2004.023796"},{"key":"e_1_2_11_7_2","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.183.1.1830017"},{"key":"e_1_2_11_8_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.12110986"},{"key":"e_1_2_11_9_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086\u2010199201000\u201000025"},{"key":"e_1_2_11_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0030\u20105898(20)30753\u20107"},{"key":"e_1_2_11_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2013.10.008"},{"key":"e_1_2_11_12_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546520933834"},{"key":"e_1_2_11_13_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167\u2010010\u20101274\u20102"},{"key":"e_1_2_11_14_2","doi-asserted-by":"publisher","DOI":"10.4055\/cios.2010.2.1.47"},{"key":"e_1_2_11_15_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167\u2010002\u20100334\u20107"},{"key":"e_1_2_11_16_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167\u2010014\u20103053\u2010y"},{"key":"e_1_2_11_17_2","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.1998.28.2.88"},{"key":"e_1_2_11_18_2","doi-asserted-by":"publisher","DOI":"10.1186\/s13075\u2010014\u20100507\u2010z"},{"key":"e_1_2_11_19_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086\u2010198509000\u201000007"},{"key":"e_1_2_11_20_2","doi-asserted-by":"publisher","DOI":"10.1055\/s\u20100031\u20101275401"},{"key":"e_1_2_11_21_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10439\u2010007\u20109403\u2010x"},{"key":"e_1_2_11_22_2","doi-asserted-by":"publisher","DOI":"10.1097\/00005650\u2010199206000\u201000002"},{"key":"e_1_2_11_23_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00330\u2010011\u20102234\u2010z"},{"key":"e_1_2_11_24_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167\u2010019\u201005701\u20101"},{"key":"e_1_2_11_25_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.21.00456"}],"container-title":["Knee 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Arthroscopy"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00167-022-07148-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00167-022-07148-3\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00167-022-07148-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"},{"URL":"https:\/\/esskajournals.onlinelibrary.wiley.com\/doi\/pdf\/10.1007\/s00167-022-07148-3","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,19]],"date-time":"2025-10-19T14:34:04Z","timestamp":1760884444000},"score":1,"resource":{"primary":{"URL":"https:\/\/esskajournals.onlinelibrary.wiley.com\/doi\/10.1007\/s00167-022-07148-3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,9,9]]},"references-count":24,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2023,4]]}},"alternative-id":["10.1007\/s00167-022-07148-3"],"URL":"https:\/\/doi.org\/10.1007\/s00167-022-07148-3","archive":["Portico"],"relation":{},"ISSN":["0942-2056","1433-7347"],"issn-type":[{"value":"0942-2056","type":"print"},{"value":"1433-7347","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,9,9]]},"assertion":[{"value":"16 April 2022","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"26 August 2022","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"9 September 2022","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare that they have no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"This retrospective chart review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Human Investigation Committee (IRB) of Hwasun Chonnam National University Hospital approved this study.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"Informed consent was not required for this type of study.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}