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Existing literature discussing the benefit of debridement for small articular cartilage lesions is scarce, especially if the debridement was not part of a combined operative cartilage procedure including meniscal and ligament repair. The purpose of this study was to examine the patients\u00b4 benefit after arthroscopic debridement for the treatment of isolated focal chondral defects with or without partial meniscus resection.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Baseline (preoperative data) and 12-month follow-up of the five Knee Osteoarthritis Outcome Score (KOOS) subscores and the Numeric Rating Scale (NRS) for pain were analyzed in 126 patients undergoing debridement for focal chondral defects of the knee from the German Cartilage Registry. Sub-analysis for patients receiving isolated debridement and debridement with concomitant partial resection of meniscal pathologies was performed. Thus, four subgroups were created according to the treated defect size and presence of meniscal pathologies: \u201cdebridement-only\u2009&lt;\u20092\u00a0cm<jats:sup>2<\/jats:sup>\u201d, \u201cdebridement-only\u2009&gt;\u20092\u00a0cm<jats:sup>2<\/jats:sup>\u201d, \u201cdebridement and partial meniscus resection\u2009&lt;\u20092\u00a0cm<jats:sup>2<\/jats:sup>\u201d and \u201cdebridement and partial meniscus resection\u2009&gt;\u20092\u00a0cm<jats:sup>2<\/jats:sup>\u201d.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>KOOS-subscores showed a significant increase from baseline to follow-up evaluation (<jats:italic>p<\/jats:italic>\u2009=\u20090.017\u20130.037) within the 126 patients. Sub-analysis showed significant improvement of all five KOOS-subscores in all three subgroups, except for the \u201cdebridement and partial meniscus resection\u2009&gt;\u20092\u00a0cm<jats:sup>2<\/jats:sup>\u201d\u2014group: in this group the KOOS subscores symptoms and sports showed no significant improvement. The NRS scores revealed no significant changes from baseline to 12-month follow-up within the four subgroups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>An overall benefit of arthroscopic debridement for focal cartilage lesions of the knee could be conducted. Isolated cartilage defects seem to benefit from debridement irrespectively of size. In patients with large cartilage defects (&gt;\u20092\u00a0cm<jats:sup>2<\/jats:sup>) and concurrent meniscal pathology expectation to improvement should be humbled. Effective reduction of pain by arthroscopic debridement remains unclear.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00402-020-03338-1","type":"journal-article","created":{"date-parts":[[2020,1,22]],"date-time":"2020-01-22T15:02:40Z","timestamp":1579705360000},"page":"373-382","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Is debridement beneficial for focal cartilage defects of the knee: data from the German Cartilage Registry (KnorpelRegister DGOU)"],"prefix":"10.1007","volume":"140","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3551-3204","authenticated-orcid":false,"given":"Manuel","family":"Wei\u00dfenberger","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tizian","family":"Heinz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebastian P.","family":"Boelch","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philipp","family":"Niemeyer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maximilian","family":"Rudert","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Barthel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephan","family":"Reppenhagen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,1,22]]},"reference":[{"issue":"2","key":"3338_CR1","doi-asserted-by":"publisher","first-page":"231","DOI":"10.1177\/0363546509352157","volume":"38","author":"S Heir","year":"2010","unstructured":"Heir S, Nerhus TK, R\u00f8tterud JH, L\u00f8ken S, Ekeland A, Engebretsen L, Ar\u00f8en A (2010) Focal cartilage defects in the knee impair quality of life as much as severe osteoarthritis: a comparison of knee injury and osteoarthritis outcome score in 4 patient categories scheduled for knee surgery. 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JMIR Res Protoc 5(2):e122. https:\/\/doi.org\/10.2196\/resprot.5895","journal-title":"JMIR Res Protoc"}],"updated-by":[{"DOI":"10.1007\/s00402-021-03905-0","type":"correction","label":"Correction","source":"publisher","updated":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T00:00:00Z","timestamp":1620172800000}}],"container-title":["Archives of Orthopaedic and Trauma Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00402-020-03338-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00402-020-03338-1\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00402-020-03338-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,25]],"date-time":"2023-09-25T13:41:14Z","timestamp":1695649274000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00402-020-03338-1"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,1,22]]},"references-count":35,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2020,3]]}},"alternative-id":["3338"],"URL":"https:\/\/doi.org\/10.1007\/s00402-020-03338-1","relation":{"correction":[{"id-type":"doi","id":"10.1007\/s00402-021-03905-0","asserted-by":"object"}]},"ISSN":["0936-8051","1434-3916"],"issn-type":[{"value":"0936-8051","type":"print"},{"value":"1434-3916","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,1,22]]},"assertion":[{"value":"25 March 2019","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"22 January 2020","order":2,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"5 May 2021","order":3,"name":"change_date","label":"Change Date","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"Correction","order":4,"name":"change_type","label":"Change Type","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"A Correction to this paper has been published:","order":5,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"https:\/\/doi.org\/10.1007\/s00402-021-03905-0","URL":"https:\/\/doi.org\/10.1007\/s00402-021-03905-0","order":6,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"The authors declare that they have no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The German Cartilage Registry (KnorpelRegister DGOU) is conducted in accordance with the Declaration of Helsiniki of 1964 and registered at germanctr.de (DRKS00005617). Primary ethical approval was given by the ethics committee at the University of Freiburg (No. 520\/14). In addition, the registration of data was approved by the local ethics committee at the University of Wuerzburg (No. 333\/15).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"Informed consent was obtained from all individual participants included in the study.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}