{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,10]],"date-time":"2026-07-10T15:25:54Z","timestamp":1783697154117,"version":"3.55.0"},"reference-count":49,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2023,4,27]],"date-time":"2023-04-27T00:00:00Z","timestamp":1682553600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2023,4,27]],"date-time":"2023-04-27T00:00:00Z","timestamp":1682553600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2023,4,27]],"date-time":"2023-04-27T00:00:00Z","timestamp":1682553600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2023,4,27]],"date-time":"2023-04-27T00:00:00Z","timestamp":1682553600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2024,10,21]],"date-time":"2024-10-21T00:00:00Z","timestamp":1729468800000},"content-version":"am","delay-in-days":543,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":["arthroscopyjournal.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To identify the arthroscopic findings associated with deterioration of 10\u2010year clinical outcomes after opening\u2010wedge high tibial osteotomy (OWHTO) in patients with knee osteoarthritis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 114 consecutive knees of 91 patients with knee osteoarthritis who underwent OWHTO between 2007 and 2011 were retrospectively reviewed. Of these patients, those who underwent second\u2010look arthroscopy and were followed up for a minimum of 10 years were enrolled. The Knee Society Score (KSS) and hip\u2010knee\u2010ankle angle were assessed. Cartilage status was graded at the time of osteotomy (first look) and plate removal (second look) according to the International Cartilage Repair Society (ICRS) grading system. The KSS knee subscale score and function subscale score were assessed separately, and on the basis of the changes in each of these scores from 1 to 10 years postoperatively and the minimal clinically important difference (MCID), the patients were divided into 2 groups: deteriorated (deterioration of score \u2265 MCID) and non\u2010deteriorated (deterioration of score &lt; MCID).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Sixty\u2010nine knees were included in this study. The mean knee score improved continuously from 48.7 \u00b1 11.3 preoperatively to 86.8 \u00b1 10.3 at 1 year (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001), 87.5 \u00b1 9.9 at 5 years (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001), and 86.5 \u00b1 10.5 at 10 years (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001) postoperatively. The mean function score also improved continuously from 62.5 \u00b1 12.1 preoperatively to 90.7 \u00b1 12.9 at 1 year (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001), 91.6 \u00b1 12.1 at 5 years (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001), and 88.5 \u00b1 13.1 at 10 years (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001) postoperatively. Three knees underwent conversion to total knee arthroplasty within 10 years postoperatively. The deteriorated KSS group showed significantly progressed ICRS grades in the lateral compartment compared with the non\u2010deteriorated KSS group. The ICRS grade in the lateral compartment at second\u2010look arthroscopy was identified as the only significant factor associated with both knee score deterioration (odds ratio, 4.89;\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .03) and function score deterioration (odds ratio, 3.91;\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .03) on multivariable logistic regression analysis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The presence of cartilage degeneration of the lateral compartment of the knee at second\u2010look arthroscopy is associated with deterioration of long\u2010term clinical outcomes after OWHTO.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level IV, therapeutic case series.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2023.03.032","type":"journal-article","created":{"date-parts":[[2023,4,28]],"date-time":"2023-04-28T04:42:59Z","timestamp":1682656979000},"page":"2354-2362","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":9,"title":["Cartilage Degeneration of the Lateral Compartment of the Knee at Second\u2010Look Arthroscopy Is Associated With Deterioration of 10\u2010Year Clinical Outcomes After Opening\u2010Wedge High Tibial Osteotomy"],"prefix":"10.1002","volume":"39","author":[{"given":"Ken","family":"Kumagai","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Yokohama City University Hospital Yokohama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shunsuke","family":"Yamada","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Yokohama City 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