{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T07:25:55Z","timestamp":1791617155768,"version":"4.3.4"},"reference-count":38,"publisher":"SAGE Publications","issue":"1_suppl","license":[{"start":{"date-parts":[[2021,6,24]],"date-time":"2021-06-24T00:00:00Z","timestamp":1624492800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["CARTILAGE"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To compare clinical, sports, work, and radiological outcomes between primary and secondary osteochondral lesions of the talus (OLTs; &lt;15 mm) treated with arthroscopic bone marrow stimulation (BMS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Secondary OLTs were matched to primary OLTs in a 1:2 ratio to assess the primary outcome measure\u2014the Numeric Rating Scale (NRS) during activities. Secondary outcomes included the pre- and 1-year postoperative NRS at rest, American Orthopaedic Foot and Ankle Society score, Foot and Ankle Outcome Score subscales, and the EQ-5D general health questionnaire. The rates and time to return to work and sports were collected. Radiological examinations were performed preoperatively and at final follow-up using computed tomography (CT).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>After matching, 22 and 12 patients with small (&lt;15 mm) OLTs were included in the primary and secondary groups, respectively. The NRS during activities was not different between primary cases (median: 2, interquartile range [IQR]: 1-4.5) and secondary cases (median: 3, IQR: 1-4), P = 0.5. Both groups showed a significant difference between all pre- and postoperative clinical outcome scores, but no significant difference between BMS groups postoperatively. The return to sport rate was 90% for primary cases and 83% for secondary cases ( P = 0.6). All patients returned to work. Lesion filling on CT was complete (67% to 100%) in 59% of primary cases and 67% of secondary cases ( P = 0.6).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>No differences in outcomes were observed between arthroscopic bone marrow stimulation in primary and secondary OLTs at 1-year follow-up. Repeat BMS may therefore be a viable treatment option for failed OLTs in the short term.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/19476035211025816","type":"journal-article","created":{"date-parts":[[2021,6,25]],"date-time":"2021-06-25T02:14:02Z","timestamp":1624587242000},"page":"1429S-1437S","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":15,"title":["Outcomes of Bone Marrow Stimulation for Secondary Osteochondral Lesions of the Talus Equal Outcomes for Primary Lesions"],"prefix":"10.1177","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8134-5419","authenticated-orcid":false,"given":"Quinten G. H.","family":"Rikken","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Amsterdam Movement Sciences, Amsterdam UMC\u2014Location AMC, University of Amsterdam, Amsterdam, The Netherlands"},{"name":"Academic Center for Evidence Based Sports Medicine, Amsterdam UMC, Amsterdam, The Netherlands"},{"name":"Amsterdam Collaboration for Health and Safety in Sports, International Olympic Committee Research Center, Amsterdam UMC, Amsterdam, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6849-1008","authenticated-orcid":false,"given":"Jari","family":"Dahmen","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Amsterdam Movement Sciences, Amsterdam UMC\u2014Location AMC, University of Amsterdam, Amsterdam, The Netherlands"},{"name":"Academic Center for Evidence Based Sports Medicine, Amsterdam UMC, Amsterdam, The Netherlands"},{"name":"Amsterdam Collaboration for Health and Safety in Sports, International Olympic Committee Research Center, Amsterdam UMC, Amsterdam, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mikel L.","family":"Reilingh","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Albert Schweitzer Hospital, Dordrecht, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christiaan J. A.","family":"van Bergen","sequence":"additional","affiliation":[{"name":"Academic Center for Evidence Based Sports Medicine, Amsterdam UMC, Amsterdam, The Netherlands"},{"name":"Amsterdam Collaboration for Health and Safety in Sports, International Olympic Committee Research Center, Amsterdam UMC, Amsterdam, The Netherlands"},{"name":"Department of Orthopedic Surgery, Amphia Hospital, Breda, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sjoerd A. 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