{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T14:30:58Z","timestamp":1777386658641,"version":"3.51.4"},"reference-count":9,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[1991,3,1]],"date-time":"1991-03-01T00:00:00Z","timestamp":667785600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am J Sports Med"],"published-print":{"date-parts":[[1991,3]]},"abstract":"<jats:p>In this study, we surveyed a consecutive series of 500 patients who had undergone an open procedure for chronic anteromedial and\/or anterolateral instabilities. Those patients who had an open arthrotomy were separated for analysis.<\/jats:p>\n                  <jats:p>All of the patients were examined before and during surgery. A knee sheet, based on the kind used at the Hughston Orthopaedic Clinic in Columbus, Georgia, was used to record all clinical findings. Chondromalacia of the articular surface of the femur was detected at surgery in 161 patients (32%).<\/jats:p>\n                  <jats:p>A statistical analysis showed that the variables di rectly influencing degenerative changes of the cartilage are: a previous surgery that did not sufficiently restore joint kinematics (chi square = 20.238, P &lt; 0.001) and a time lapse of more than 30 months between first trauma and surgery (chi square = 21.736; P = 0.001).<\/jats:p>\n                  <jats:p>A higher score on dynamic (jerk or pivot shift) and static (internal and external anterior drawer) tests, in dicating instability, or a meniscal tear alone do not statistically correlate with chondromalacia, but together they influence degenerative changes of the cartilage.<\/jats:p>","DOI":"10.1177\/036354659101900205","type":"journal-article","created":{"date-parts":[[2007,6,21]],"date-time":"2007-06-21T20:46:52Z","timestamp":1182458812000},"page":"119-123","source":"Crossref","is-referenced-by-count":30,"title":["Chondromalacia and chronic anterior instabilities of the knee"],"prefix":"10.1177","volume":"19","author":[{"given":"Fabio","family":"Conteduca","sequence":"first","affiliation":[{"name":"First Orthopaedic Clinic, University of Rome, Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Ferretti","sequence":"additional","affiliation":[{"name":"First Orthopaedic Clinic, University of Rome, Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pier Paolo","family":"Mariani","sequence":"additional","affiliation":[{"name":"First Orthopaedic Clinic, University of Rome, Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giancarlo","family":"Puddu","sequence":"additional","affiliation":[{"name":"First Orthopaedic Clinic, University of Rome, Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lamberto","family":"Perugia","sequence":"additional","affiliation":[{"name":"First Orthopaedic Clinic, University of Rome, Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[1991,3,1]]},"reference":[{"key":"atypb1","unstructured":"Dejour H., Deschamps G., Walch G. Resultat du traitment des laxites anterieurs chroniques par operation de Kenneth-Jones Le Maire Journees Lyonneises de Chirurgie du Genou 5 129-141, Lyon 1984"},{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.1177\/036354657600400301"},{"key":"atypb3","unstructured":"Ferretti A., De Carli A., Conteduca F., et al The results of reconstruction of the anterior cruciate ligament with semitendinosus and gracilis tendons in chronic laxity of the knee Ital J Orthop Traum 15 415-424, 1989"},{"key":"atypb4","unstructured":"Imbert JC Ligamento plastic mixte extra et intra-articulaire sans arthroscopie 5 emes Journees Lyonnaises de Chirurgie du Genou 5 117-127, Lyon 1984"},{"key":"atypb5","doi-asserted-by":"publisher","DOI":"10.3109\/17453677708989742"},{"key":"atypb6","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198062050-00002"},{"key":"atypb7","unstructured":"Puddu G. Plastic du LCA an 1\/2 tendineux 5 emes Journees Lyonnaises de Chirurgie du Genou 5 141-145, Lyon , 1984"},{"key":"atypb8","unstructured":"Puddu G., Ferretti A., Conteduca F., et al Reconstruction of the anterior cruciate ligament by semitendinosus transfer in chronic anterior instability of the knee Ital J Orthop Traum 14 187-193, 1988"},{"key":"atypb9","doi-asserted-by":"crossref","unstructured":"Ryan AJ, Allman F. Sports Medicine New York, Academic Press, 1974, p 284","DOI":"10.1249\/00005768-197423000-00007"}],"container-title":["The American Journal of Sports Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/036354659101900205","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/036354659101900205","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T09:36:51Z","timestamp":1777369011000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/036354659101900205"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1991,3]]},"references-count":9,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1991,3]]}},"alternative-id":["10.1177\/036354659101900205"],"URL":"https:\/\/doi.org\/10.1177\/036354659101900205","relation":{},"ISSN":["0363-5465","1552-3365"],"issn-type":[{"value":"0363-5465","type":"print"},{"value":"1552-3365","type":"electronic"}],"subject":[],"published":{"date-parts":[[1991,3]]}}}