{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T13:42:16Z","timestamp":1770903736776,"version":"3.50.1"},"reference-count":23,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2006,9,2]],"date-time":"2006-09-02T00:00:00Z","timestamp":1157155200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2007,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Trochleoplasty is an established and accepted technique for the treatment of patellar instability because of a missing trochlear groove. In this technique, a flap of cartilage over the trochlea is carefully removed and a new trochlear groove is created in the underlying bone before the cartilaginous flap is reattached with sutures. The mid\u2010term clinical and radiological results of this operation are promising but no information about the viability of the reattached cartilage has been reported. To evaluate cartilage viability and quality after trochleoplasty and to verify the healing process, two osteochondral biopsies were harvested from three patients 6, 8, and 9\u00a0months after trochleoplasty. One cylinder was evaluated histologically to assess cartilage, calcified cartilage (cc), and subchondral bone quality, while the other one was examined by confocal microscopy to evaluate cell viability. The histological examination showed a normal matrix and cell distribution of the cartilage, while the cc showed lacunae ingrowing from the underlying bone. The subchondral bone showed normal lamellae and histology, and the healing of the flap. Confocal microscopy showed almost exclusively viable chondrocytes. This demonstration of non\u2010injured cartilage at short\u2010term follow\u2010up together with promising clinical and radiological 2\u2010 and 5\u2010year follow\u2010up results indicate a potential promising outlook for the long term, as further chondral damage is not expected. So trochleoplasty can be seen as a primary intervention for patellar instability because of trochlear dysplasia as the risk for cartilage damage is low.<\/jats:p>","DOI":"10.1007\/s00167-006-0148-0","type":"journal-article","created":{"date-parts":[[2006,9,1]],"date-time":"2006-09-01T17:25:53Z","timestamp":1157131553000},"page":"161-167","source":"Crossref","is-referenced-by-count":79,"title":["Cartilage viability after trochleoplasty"],"prefix":"10.1002","volume":"15","author":[{"given":"Philip B.","family":"Sch\u00f6ttle","sequence":"first","affiliation":[{"name":"Center for Musculoskeletal Surgery, Charit\u00e9 Campus Virchow\u2010Klinikum Free and Humboldt\u2010Universit\u00e4t Berlin Augustenburger Platz 1 13353 Berlin Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hanna","family":"Schell","sequence":"additional","affiliation":[{"name":"Center for Musculoskeletal Surgery, Charit\u00e9 Campus Virchow\u2010Klinikum Free and Humboldt\u2010Universit\u00e4t Berlin Augustenburger Platz 1 13353 Berlin Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Georg","family":"Duda","sequence":"additional","affiliation":[{"name":"Center for Musculoskeletal Surgery, Charit\u00e9 Campus Virchow\u2010Klinikum Free and Humboldt\u2010Universit\u00e4t Berlin Augustenburger Platz 1 13353 Berlin Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andreas","family":"Weiler","sequence":"additional","affiliation":[{"name":"Center for Musculoskeletal Surgery, Charit\u00e9 Campus Virchow\u2010Klinikum Free and Humboldt\u2010Universit\u00e4t Berlin Augustenburger Platz 1 13353 Berlin Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,9,2]]},"reference":[{"key":"e_1_2_5_2_1","first-page":"257","article-title":"The bone graft wedge in the treatment of habitual dislocation of patella","volume":"88","author":"Albee FH","year":"1915","journal-title":"Med Rec"},{"key":"e_1_2_5_3_1","first-page":"281","article-title":"The trochleaplasty as a surgical therapy of recurrent dislocation of the patella in dysplastic trochlea of the femur","volume":"7","author":"Bereiter H","year":"1994","journal-title":"Arthroskopie"},{"key":"e_1_2_5_4_1","first-page":"1","article-title":"Shape of the intercondylar groove normally and in recurrent dislocation of the patella","volume":"68","author":"Brattstrom H","year":"1965","journal-title":"Acta Orthop Scand Suppl"},{"key":"e_1_2_5_5_1","first-page":"45","article-title":"[Dysplasia of the femoral trochlea]","volume":"76","author":"Dejour H","year":"1990","journal-title":"Rev Chir Orthop"},{"key":"e_1_2_5_6_1","first-page":"11","article-title":"Dislocation of patella","volume":"1","author":"Drew D","year":"1908","journal-title":"Proc R Soc Med"},{"key":"e_1_2_5_7_1","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-200112000-00035"},{"key":"e_1_2_5_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.knee.2005.12.005"},{"key":"e_1_2_5_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00104\u2010003\u20100623\u20109"},{"key":"e_1_2_5_10_1","doi-asserted-by":"publisher","DOI":"10.1053\/joca.2002.0801"},{"key":"e_1_2_5_11_1","doi-asserted-by":"publisher","DOI":"10.1053\/joca.2002.0814"},{"key":"e_1_2_5_12_1","first-page":"1","article-title":"\u00dcber die pathologische Luxation der Patella","volume":"8","author":"Isermeyer H","year":"1967","journal-title":"Arch Klin Chir"},{"key":"e_1_2_5_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/jemt.1060180108"},{"key":"e_1_2_5_14_1","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-200300002-00007"},{"key":"e_1_2_5_15_1","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-200104000-00012"},{"key":"e_1_2_5_16_1","first-page":"3","article-title":"Trochleoplasty. 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