{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T17:27:38Z","timestamp":1793381258534,"version":"4.5.0"},"reference-count":29,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2021,3,24]],"date-time":"2021-03-24T00:00:00Z","timestamp":1616544000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2021,3,24]],"date-time":"2021-03-24T00:00:00Z","timestamp":1616544000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2021,3,24]],"date-time":"2021-03-24T00:00:00Z","timestamp":1616544000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,3,24]],"date-time":"2021-03-24T00:00:00Z","timestamp":1616544000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"DOI":"10.13039\/100007307","name":"Arthrex","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007307","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000980","name":"Arthritis Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000980","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008187","name":"Histogenics","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008187","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000312","name":"Joseph Rowntree Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000312","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008894","name":"Stryker","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008894","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100012630","name":"Zimmer Biomet","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100012630","id-type":"DOI","asserted-by":"publisher"}]}],"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":[[2021,8]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate both the potential causes and resultant outcomes in patients in whom subchondral insufficiency fracture of the knee (SIFK) develops after arthroscopy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We performed a retrospective review of all patients with a magnetic resonance imaging diagnosis of SIFK after arthroscopic meniscectomy and chondroplasty over a 12\u2010year period.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 28 patients were included, with a mean age of 61 years and mean follow\u2010up period of 5.7 years. SIFK showed a predilection for the medial compartment (n\u00a0= 25, 89%), specifically the medial femoral condyle (n\u00a0= 21, 75%). In 7 patients (25%), SIFK developed in both the femoral condyle and tibial plateau in the ipsilateral compartment. Fifteen patients (54%) went on to conversion to arthroplasty at a mean of 0.72 years. The rate of survival free of conversion to arthroplasty was 57%, 45%, and 40% at 1 year, 2 years, and 5 years, respectively. Furthermore, 63% of patients with a meniscal tear and SIFK in the same compartment went on to arthroplasty (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .04). There was an increased risk of conversion to arthroplasty if SIFK was present in both the femur and tibia in the same compartment (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a0.04). A higher Kellgren\u2010Lawrence grade at the time of the SIFK diagnosis increased the likelihood of eventual arthroplasty (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .03). The presence of SIFK in both the femur and tibia in the ipsilateral compartment, an increased Kellgren\u2010Lawrence grade, and a meniscal tear or prior meniscectomy in the same compartment as SIFK were associated with an increased risk of eventual arthroplasty.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Post\u2010arthroscopic SIFK most commonly occurs in the medial compartment, particularly in patients who underwent a prior meniscectomy. The presence of meniscal root and radial tears in these patients is notable (75%). Ultimately, there is a high rate of progression of arthrosis (33%) and eventual conversion to arthroplasty.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level IV, case series.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2021.03.029","type":"journal-article","created":{"date-parts":[[2021,3,25]],"date-time":"2021-03-25T11:38:53Z","timestamp":1616672333000},"page":"2545-2553","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":19,"title":["Post\u2010arthroscopic Subchondral Insufficiency Fractures of the Knee Yield High Rate of Conversion to Arthroplasty"],"prefix":"10.1002","volume":"37","author":[{"given":"Laurel A.","family":"Barras","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ayoosh","family":"Pareek","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chad W.","family":"Parkes","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bryant M.","family":"Song","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher L.","family":"Camp","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel B.F.","family":"Saris","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael J.","family":"Stuart","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aaron J.","family":"Krych","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,3,24]]},"reference":[{"key":"e_1_2_2_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/art.1780110602"},{"key":"e_1_2_2_3_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-200009000-00008"},{"key":"e_1_2_2_4_2","doi-asserted-by":"publisher","DOI":"10.5435\/00124635-201108000-00004"},{"key":"e_1_2_2_5_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546517743734"},{"key":"e_1_2_2_6_2","first-page":"6","article-title":"Osteonecrosis of the knee: Review","volume":"3","author":"Karim A.R.","year":"2015","journal-title":"Ann Transl Med"},{"key":"e_1_2_2_7_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-015-3839-6"},{"key":"e_1_2_2_8_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.65B5.6643563"},{"key":"e_1_2_2_9_2","doi-asserted-by":"publisher","DOI":"10.3109\/17453674.2012.684139"},{"key":"e_1_2_2_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/0049-0172(83)90008-2"},{"key":"e_1_2_2_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ocl.2008.10.010"},{"key":"e_1_2_2_12_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.91B2.21097"},{"key":"e_1_2_2_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2012.11.016"},{"key":"e_1_2_2_14_2","doi-asserted-by":"publisher","DOI":"10.1097\/JSA.0000000000000116"},{"key":"e_1_2_2_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2006.01.009"},{"key":"e_1_2_2_16_2","doi-asserted-by":"publisher","DOI":"10.1148\/129.3.653"},{"key":"e_1_2_2_17_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.G.00445"},{"key":"e_1_2_2_18_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-008-0604-0"},{"key":"e_1_2_2_19_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00132-008-1303-8"},{"issue":"3","key":"e_1_2_2_20_2","first-page":"69","article-title":"Osteonecrosis of the knee after laser or radiofrequency\u2010assisted arthroscopy: Treatment with minimally invasive knee arthroplasty","volume":"88","author":"Bonutti P.M.","year":"2006","journal-title":"J\u00a0Bone Joint Surg Am"},{"key":"e_1_2_2_21_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.178.3.1994431"},{"key":"e_1_2_2_22_2","doi-asserted-by":"publisher","DOI":"10.1177\/2325967115576120"},{"key":"e_1_2_2_23_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0278-5919(02)00024-8"},{"key":"e_1_2_2_24_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-013-2450-y"},{"key":"e_1_2_2_25_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.19.00381"},{"key":"e_1_2_2_26_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0749-8063(00)90049-5"},{"key":"e_1_2_2_27_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.knee.2016.12.004"},{"key":"e_1_2_2_28_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-017-4454-5"},{"key":"e_1_2_2_29_2","doi-asserted-by":"publisher","DOI":"10.1016\/0749-8063(95)90202-3"},{"key":"e_1_2_2_30_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-019-05792-w"}],"container-title":["Arthroscopy"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0749806321002528?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0749806321002528?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/arthroscopyjournals.onlinelibrary.wiley.com\/doi\/pdf\/10.1016\/j.arthro.2021.03.029","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/arthroscopyjournals.onlinelibrary.wiley.com\/doi\/full-xml\/10.1016\/j.arthro.2021.03.029","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/arthroscopyjournals.onlinelibrary.wiley.com\/doi\/pdf\/10.1016\/j.arthro.2021.03.029","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,15]],"date-time":"2026-03-15T09:12:32Z","timestamp":1773565952000},"score":1,"resource":{"primary":{"URL":"https:\/\/arthroscopyjournals.onlinelibrary.wiley.com\/doi\/10.1016\/j.arthro.2021.03.029"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,3,24]]},"references-count":29,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2021,8]]}},"alternative-id":["10.1016\/j.arthro.2021.03.029"],"URL":"https:\/\/doi.org\/10.1016\/j.arthro.2021.03.029","archive":["Portico"],"relation":{},"ISSN":["0749-8063","1526-3231"],"issn-type":[{"value":"0749-8063","type":"print"},{"value":"1526-3231","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,3,24]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Post-arthroscopic Subchondral Insufficiency Fractures of the Knee Yield High Rate of Conversion to Arthroplasty","name":"articletitle","label":"Article Title"},{"value":"Arthroscopy: The Journal of Arthroscopic & Related Surgery","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.arthro.2021.03.029","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 by the Arthroscopy Association of North America","name":"copyright","label":"Copyright"}]}}