{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,4]],"date-time":"2026-03-04T05:45:11Z","timestamp":1772603111873,"version":"3.50.1"},"reference-count":22,"publisher":"EDP Sciences","license":[{"start":{"date-parts":[[2023,4,7]],"date-time":"2023-04-07T00:00:00Z","timestamp":1680825600000},"content-version":"vor","delay-in-days":96,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["SICOT-J"],"accepted":{"date-parts":[[2023,3,12]]},"published-print":{"date-parts":[[2023]]},"abstract":"<jats:p><jats:italic>Background:<\/jats:italic> Nonunion in scaphoid fractures may be considered a devastating problem. Union failure results in scaphoid deformity, resorption, and bone loss. Failed previous fixation decreases remaining bone stock and makes it more difficult to achieve union. Free vascularized graft represents a good option to achieve scaphoid union with revision fixation. Our study aims at the assessment of the management of scaphoid fractures non-union after failed previous fixation with the use of a free vascularized graft from the medial femoral condyle. <jats:italic>Methods:<\/jats:italic> This is a retrospective study including 16 cases with persistent scaphoid nonunion after previous fixation managed by vascularized medial femoral condyle grafts. The mean follow-up was 24 months. Previous surgical attempts and nonunion duration were noted. We evaluated the union rate, together with ROM, Scapholunate angles and pain scores. <jats:italic>Results:<\/jats:italic> the union was achieved in 13 of 16 cases. Pain improved in all patients (10\/16 complete relief). Wrist ROM at follow-up was an average of 50\u00b0 \ufb02exion 48\u00b0 extension. There was no change in the relationship between lunate and scaphoid with an average angle of 37.5\u00b0 preoperative and 38\u00b0 postoperative. <jats:italic>Conclusion:<\/jats:italic> Free vascularized MFC grafts are considered a reliable method to treat persistent nonunion of scaphoid fractures after failed previous operations. Short-term follow-up data showed considerable union rates with adequate pain relief and satisfactory ROM.<\/jats:p>","DOI":"10.1051\/sicotj\/2023004","type":"journal-article","created":{"date-parts":[[2023,4,10]],"date-time":"2023-04-10T08:02:08Z","timestamp":1681113728000},"page":"7","source":"Crossref","is-referenced-by-count":5,"title":["Treatment of failed scaphoid nonunion fixation using free medial femoral condyle vascularized bone grafting"],"prefix":"10.1051","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9223-1997","authenticated-orcid":false,"given":"Islam","family":"Koriem","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aly Abdalla","family":"Agina","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ahmed K","family":"El 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