{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T07:42:03Z","timestamp":1782286923580,"version":"3.54.5"},"reference-count":47,"publisher":"Georg Thieme Verlag KG","issue":"01","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Knee Surg"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The efficacy and outcomes for the concurrent repair of medial meniscus posterior horn root tear (MMPHRT) during open wedge high tibial osteotomy (OWHTO) are unclear. This study compared the radiologic, arthroscopic, and clinical outcomes between repaired and unrepaired MMPHRT during OWHTO. Fifty-seven patients were prospectively enrolled from 2014 to 2016. The radiologic, arthroscopic, and clinical outcomes were compared between 25 patients who underwent OWHTO with all-inside repair of MMPRT using FasT-Fix (repaired group) and 32 patients who underwent OWHTO without repair of MMPRT (unrepaired group) with a mean 2-year follow up in both groups. The meniscal healing status was classified as complete, partial, or no healing, according to second-look arthroscopic findings. The medial meniscal extrusion (MME) was evaluated using magnetic resonance imaging. The width of medial joint space, joint line convergence angle (JLCA), posterior tibial slope (PTS), Kellgren\u2013Lawrence (KL) grade, hip-knee-ankle angle, and weight-bearing line ratio was evaluated on simple standing. The clinical outcomes were evaluated using the Knee Society score and the Western Ontario and McMaster University score. Healing rates (partial and complete) of the MMPHRT showed a statistical difference between the two groups (repaired group vs. unrepaired group, 19\/25 (76%) vs. 13\/32 (40.6%), p\u2009=\u20090.008). The postoperative MME showed no statistical differences between groups (repaired versus unrepaired group: 4.5\u2009\u00b1\u20091.3\u2009mm vs. 4.5\u2009\u00b1\u20092.1\u2009mm, p\u2009=\u20090.909). The postoperative width of medial joint space, JLCA, PTS, and KL grade all showed no statistical differences between groups after 2 years of OWHTO. Other radiologic parameters and clinical outcomes showed no statistical differences between groups. Repair of the MMPHRT during OWHTO showed a superior healing rate to the unrepaired MMPHRT. However, repair of the MMPHRT was not related to the radiologic and clinical outcomes. Therefore, there is no clear evidence of the need for the MMPHRT repair during OWHTO.<\/jats:p>","DOI":"10.1055\/s-0039-1692992","type":"journal-article","created":{"date-parts":[[2019,7,9]],"date-time":"2019-07-09T22:51:20Z","timestamp":1562712680000},"page":"057-066","source":"Crossref","is-referenced-by-count":48,"title":["Comparison of the Radiologic, Arthroscopic, and Clinical Outcomes between Repaired versus Unrepaired Medial Meniscus Posterior Horn Root Tear During Open Wedge High Tibial Osteotomy"],"prefix":"10.1055","volume":"34","author":[{"given":"O-Sung","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Seoul National University College of Medicine, Bundang Hospital, Seongnam, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seung Hoon","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Incheon Metropolitan City Medical Center, Seongnam, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yong Seuk","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Seoul National University College of Medicine, Bundang Hospital, Seongnam, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2019,7,9]]},"reference":[{"issue":"09","key":"ref1","doi-asserted-by":"crossref","first-page":"1900","DOI":"10.1177\/0363546511410025","article-title":"The effect of medial opening and lateral closing high tibial osteotomy on leg length","volume":"39","author":"R A Magnussen","year":"2011","journal-title":"Am J Sports Med"},{"issue":"07","key":"ref2","doi-asserted-by":"crossref","first-page":"955","DOI":"10.1007\/s00167-010-1077-5","article-title":"Opening wedge high tibial osteotomy affects both the lateral patellar tilt and patellar height","volume":"18","author":"H Bito","year":"2010","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"issue":"03","key":"ref3","first-page":"247","article-title":"Tibial slope and patellar height changes following high tibial osteotomy (a comparative study)","volume":"6","author":"W S Osman","year":"2015","journal-title":"Osteoarthritis Cartilage"},{"issue":"02","key":"ref4","doi-asserted-by":"crossref","first-page":"128","DOI":"10.1016\/j.knee.2012.09.019","article-title":"The effect of biplane medial opening wedge high tibial osteotomy on patellofemoral joint indices","volume":"20","author":"J H Yang","year":"2013","journal-title":"Knee"},{"issue":"04","key":"ref5","doi-asserted-by":"crossref","first-page":"373","DOI":"10.1016\/j.arthro.2004.01.004","article-title":"Radial tears of the posterior horn of the medial meniscus","volume":"20","author":"S I Bin","year":"2004","journal-title":"Arthroscopy"},{"issue":"02","key":"ref6","doi-asserted-by":"crossref","first-page":"190","DOI":"10.1302\/0301-620X.91B2.21097","article-title":"Meniscal root injury and spontaneous osteonecrosis of the knee: an observation","volume":"91","author":"D D Robertson","year":"2009","journal-title":"J Bone Joint Surg Br"},{"issue":"09","key":"ref7","doi-asserted-by":"crossref","first-page":"1025","DOI":"10.1016\/j.arthro.2009.03.015","article-title":"Meniscal root tears: diagnosis and treatment","volume":"25","author":"J H Koenig","year":"2009","journal-title":"Arthroscopy"},{"issue":"02","key":"ref8","doi-asserted-by":"crossref","first-page":"226","DOI":"10.1016\/j.arthro.2012.08.027","article-title":"Second-look arthroscopic findings after open-wedge high tibia osteotomy focusing on the posterior root tears of the medial meniscus","volume":"29","author":"K W Nha","year":"2013","journal-title":"Arthroscopy"},{"issue":"07","key":"ref9","doi-asserted-by":"crossref","first-page":"725","DOI":"10.1053\/jars.2002.35258","article-title":"The influences of biomechanical factors on cartilage regeneration after high tibial osteotomy for knees with medial compartment osteoarthritis: clinical and arthroscopic observations","volume":"18","author":"T Kanamiya","year":"2002","journal-title":"Arthroscopy"},{"issue":"09","key":"ref10","doi-asserted-by":"crossref","first-page":"1922","DOI":"10.2106\/JBJS.G.00748","article-title":"Biomechanical consequences of a tear of the posterior root of the medial meniscus. 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