{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T16:24:05Z","timestamp":1783441445909,"version":"3.54.6"},"reference-count":58,"publisher":"Bioscientifica","issue":"9","license":[{"start":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T00:00:00Z","timestamp":1770940800000},"content-version":"vor","delay-in-days":2722,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.bioscientifica.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2018,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Atypical femoral fractures (AFF) are stress or \u2018insufficiency\u2019 fractures, often complicated by the use of bisphosphonates or other bone turnover inhibitors. While these drugs are beneficial for the intact osteoporotic bone, they probably prevent a stress fracture from healing which thus progresses to a complete fracture. Key features of atypical femoral fractures, essential for the diagnosis, are: location in the subtrochanteric region and diaphysis; lack of trauma history and comminution; and a transverse or short oblique configuration. The relative risk of patients developing an atypical femoral fracture when taking bisphosphonates is high; however, the absolute risk of these fractures in patients on bisphosphonates is low, ranging from 3.2 to 50 cases per 100,000 person-years. Treatment strategy in patients with AFF involves: radiograph of the contralateral side (computed tomography and magnetic resonance imaging should also be considered); dietary calcium and vitamin D supplementation should be prescribed following assessment; bisphosphonates or other potent antiresorptive agents should be discontinued; prophylactic surgical treatment of incomplete AFF with cephalomedullary nail, unless pain free; cephalomedullary nailing for surgical fixation of complete fractures; avoidance of gaps in the lateral and anterior cortex; avoidance of varus malreduction.<\/jats:p>\n                  <jats:p>Cite this article: EFORT Open Rev 2018;3:494-500. DOI: 10.1302\/2058-5241.3.170070.<\/jats:p>","DOI":"10.1302\/2058-5241.3.170070","type":"journal-article","created":{"date-parts":[[2018,9,12]],"date-time":"2018-09-12T08:15:37Z","timestamp":1536740137000},"page":"494-500","update-policy":"https:\/\/doi.org\/10.1530\/crossmarkpolicy-16","source":"Crossref","is-referenced-by-count":47,"title":["The enigma of atypical femoral fractures: A summary of current knowledge"],"prefix":"10.1530","volume":"3","author":[{"given":"Morten Schultz","family":"Larsen","sequence":"first","affiliation":[{"name":"Department of Orthopaedics and Traumatology, Odense University Hospital, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hagen","family":"Schmal","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Traumatology, Odense University Hospital, 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