{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T05:52:37Z","timestamp":1792129957821,"version":"4.4.0"},"reference-count":40,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2024,7,7]],"date-time":"2024-07-07T00:00:00Z","timestamp":1720310400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2024,7,7]],"date-time":"2024-07-07T00:00:00Z","timestamp":1720310400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2024,7,7]],"date-time":"2024-07-07T00:00:00Z","timestamp":1720310400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2024,7,7]],"date-time":"2024-07-07T00:00:00Z","timestamp":1720310400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.fr","clinicalkey.jp","arthroscopyjournal.org","clinicalkey.es","clinicalkey.com.au","clinicalkey.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To investigate whether inducing valgus alignment and shifting the load laterally through high tibial osteotomy (HTO) alone decreases the extent of medial meniscus extrusion (MME) in the setting of medial meniscus posterior root tear (MMPRT) using ultrasound evaluation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Eight fresh\u2010frozen human cadaveric knee specimens were tested using a 6\u2010degree\u2010of\u2010freedom robotic testing system and ultrasound. Each specimen was tested in 5 conditions: (1) intact, (2) MMPRT, (3) medial meniscus repair (MMR), (4) combined medial open\u2010wedge HTO\u00a0+ MMR, and (5) HTO\u00a0+ MMPRT. Measurements were obtained over the medial collateral ligament (central image) and posterior to the medial collateral ligament (posterior image) with a 250\u2010N axial load at 0\u00b0, 30\u00b0, and 90\u00b0 of knee flexion. Statistical analysis was performed using a 2\u2010factor repeated\u2010measures analysis of variance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      MME was significantly greater in HTO\u00a0+ MMPRT (0\u00b0: 2.44 \u00b1 0.41 mm, 30\u00b0: 2.47 \u00b1 0.37 mm, 90\u00b0: 2.41 \u00b1 0.28 mm) than HTO\u00a0+ MMR in central images (mean difference\u00a0+0.83 mm,\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001). No significant difference was found between HTO\u00a0+ MMPRT and MMPRT in MME. MMR had significantly less MME than MMPRT (mean difference \u20130.58 mm,\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001, posterior image at 0\u00b0 and central image at 90\u00b0,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .002). HTO\u00a0+ MMR showed significantly less MME than MMR alone at 30\u00b0 and 90\u00b0 of knee flexion in the central image (30\u00b0: \u20130.38 \u00b1 0.05 mm, 90\u00b0: \u20130.45 \u00b1 0.06 mm,\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001) and 90\u00b0 of knee flexion in the posterior image (\u20130.38 \u00b1 0.08 mm,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .004).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>HTO alone did not decrease MME in the setting of MMPRT, while MMR alone decreased MME after MMPRT. Additionally, HTO\u00a0+ MMR decreased MME after MMPRT compared to MMR alone, although the clinical significance was uncertain.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Relevance<\/jats:title>\n                    <jats:p>The findings of this study provide clinicians with valuable insights for improving MME. HTO alone does not decrease MME in cases of MMPRT.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2024.06.038","type":"journal-article","created":{"date-parts":[[2024,7,8]],"date-time":"2024-07-08T02:00:21Z","timestamp":1720404021000},"page":"1462-1471","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":21,"title":["High Tibial Osteotomy Alone Does Not Decrease Medial Meniscus Extrusion in the Setting of Medial Meniscus Posterior Root Tear: A Cadaveric Study"],"prefix":"10.1002","volume":"41","author":[{"given":"Kazushi","family":"Horita","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Sapporo Medical University School of Medicine Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yohei","family":"Okada","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Sapporo Medical University School of Medicine Sapporo 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