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They are observed rarely in the elderly population after simple trauma and usually have the same fracture pattern (symmetric). We report a rare case of asymmetric fracture and discuss mechanism of injury and treatment, analyzing the literature.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Presentation of case<\/jats:title>\n                    <jats:p>We report a case of an 86-year old woman with a simultaneous bilateral asymmetric hip fracture (trochanteric on the right side and subcapital on the left), occurred after a fall at home. The patient was surgically treated by open reduction and internal fixation with an intramedullary nail on the right and by hemiarthroplasty on the left performed during the same surgical session, with good results.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>Simultaneous bilateral hip fractures in the elderly are rare and usually are symmetric. In the majority of the cases these fractures are intracapsular and are treated by hemiarthroplasties. On the contrary, simultaneous bilateral hip fractures with a different pattern, as the described case, are extremely rare. The possible mechanism of injury is a spontaneous fracture on one side, which causes a fall the contralateral side. The surgical treatment may be performed bilaterally, treating first the trochanteric fracture.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Simultaneous bilateral asymmetric hip fracture are extremely rare and may occur in elderly patient with a specific mechanism of injury. We believe that the trochanteric fracture should be operated first to avoid possible complications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Highlights<\/jats:title>\n                  <\/jats:sec>","DOI":"10.1016\/j.ijscr.2020.06.031","type":"journal-article","created":{"date-parts":[[2020,6,12]],"date-time":"2020-06-12T11:55:06Z","timestamp":1591962906000},"page":"377-380","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":2,"title":["A simultaneous bilateral asymmetric hip fracture in an elderly patient"],"prefix":"10.1097","volume":"72","author":[{"given":"Kristian","family":"Efremov","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alessandro","family":"Caterini","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fernando","family":"De Maio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pasquale","family":"Farsetti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"key":"R1-84-20260114","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1007\/s11657-019-0619-9","article-title":"Incidence and costs of hip fractures in elderly Italian population: first regional-based assessment","volume":"14","author":"Piscitelli","year":"2019","journal-title":"Arch. 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