{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T22:22:14Z","timestamp":1779229334806,"version":"3.51.4"},"reference-count":45,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2024,6,1]],"date-time":"2024-06-01T00:00:00Z","timestamp":1717200000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2024,6,1]],"date-time":"2024-06-01T00:00:00Z","timestamp":1717200000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2025,6,1]],"date-time":"2025-06-01T00:00:00Z","timestamp":1748736000000},"content-version":"vor","delay-in-days":365,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"},{"start":{"date-parts":[[2024,6,1]],"date-time":"2024-06-01T00:00:00Z","timestamp":1717200000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2024,6,1]],"date-time":"2024-06-01T00:00:00Z","timestamp":1717200000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2024,6,1]],"date-time":"2024-06-01T00:00:00Z","timestamp":1717200000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2024,6,1]],"date-time":"2024-06-01T00:00:00Z","timestamp":1717200000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2024,6,1]],"date-time":"2024-06-01T00:00:00Z","timestamp":1717200000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedics &amp; Traumatology: Surgery &amp; Research"],"published-print":{"date-parts":[[2024,6]]},"DOI":"10.1016\/j.otsr.2024.103874","type":"journal-article","created":{"date-parts":[[2024,3,30]],"date-time":"2024-03-30T02:06:14Z","timestamp":1711764374000},"page":"103874","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":2,"title":["Is there a femoral morphology at risk of a cervical or pertrochanteric fracture? Description and validation of the \u201cNeck shaft ratio\u201d and the \u201cIntertrochanteric distal ratio\u201d after analyzing a continuous cohort of 126 bilateral fractures of the proximal femur"],"prefix":"10.1016","volume":"110","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1343-0881","authenticated-orcid":false,"given":"Gr\u00e9goire","family":"Rougereau","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jean-Arthur","family":"Bourdier","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1427-5518","authenticated-orcid":false,"given":"Tristan","family":"Langlais","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Philippe","family":"Boisrenoult","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2013-8926","authenticated-orcid":false,"given":"Nicolas","family":"Pujol","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.otsr.2024.103874_bib0230","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1007\/BF01623756","article-title":"Hip fractures in France: the magnitude and perspective of the problem","volume":"6","author":"Baudoin","year":"1996","journal-title":"Osteoporosis Int"},{"key":"10.1016\/j.otsr.2024.103874_bib0235","doi-asserted-by":"crossref","first-page":"1475","DOI":"10.1007\/s00198-005-2031-0","article-title":"Incidence and cost of osteoporotic fractures in France during 2001. A methodological approach by the national hospital database","volume":"16","author":"Maravic","year":"2005","journal-title":"Osteoporosis Int"},{"key":"10.1016\/j.otsr.2024.103874_bib0240","doi-asserted-by":"crossref","first-page":"1418","DOI":"10.1056\/NEJMsa0803563","article-title":"Rehospitalizations among patients in the Medicare fee-for-service program","volume":"360","author":"Jencks","year":"2009","journal-title":"N Engl J Med"},{"key":"10.1016\/j.otsr.2024.103874_bib0245","doi-asserted-by":"crossref","first-page":"103231","DOI":"10.1016\/j.otsr.2022.103231","article-title":"Differences between intertrochanteric and femoral neck fractures in resuscitative status and mortality rates","volume":"108","author":"Huff","year":"2022","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0250","first-page":"504","article-title":"Factors affecting quality of care for elderly subjects undergoing surgery for hip fracture: review of the litterature","volume":"90","author":"Merle","year":"2004","journal-title":"Rev Chir Orthop"},{"key":"10.1016\/j.otsr.2024.103874_bib0255","doi-asserted-by":"crossref","first-page":"399","DOI":"10.1016\/j.otsr.2015.03.013","article-title":"Unplanned return to theater: A quality of care and risk management index?","volume":"101","author":"Pujol","year":"2015","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0260","doi-asserted-by":"crossref","first-page":"1664","DOI":"10.1056\/NEJM198412273112604","article-title":"Effectiveness of a geriatric evaluation unit: a randomised clinical trial","volume":"311","author":"Rubenstein","year":"1984","journal-title":"N Engl J Med"},{"key":"10.1016\/j.otsr.2024.103874_bib0265","series-title":"Rapport de la Haute Autorit\u00e9 de sant\u00e9 sur l\u2019utilisation de l\u2019ost\u00e9odensitom\u00e9trie sur deux sites par m\u00e9thode biphotonique","author":"Haute Autorit\u00e9 de sant\u00e9.","year":"2006"},{"key":"10.1016\/j.otsr.2024.103874_bib0270","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1007\/s198-002-8340-2","article-title":"Proximal femur geometry to detect and distinguish femoral neck fractures from trochanteric fractures in postmenopausal women","volume":"13","author":"Gnudi","year":"2002","journal-title":"Osteoporos Int"},{"key":"10.1016\/j.otsr.2024.103874_bib0275","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1016\/j.otsr.2010.07.011","article-title":"Non-simultaneous bilateral hip fracture: epidemiologic study of 241 hip fractures","volume":"97","author":"Gaumetou","year":"2011","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0280","doi-asserted-by":"crossref","first-page":"807","DOI":"10.1007\/s10654-012-9711-9","article-title":"Hip fractures in Norway 1999\u20132008: time trends in total incidence and second hip fractures rates: a NOREPOS study","volume":"27","author":"Omsland","year":"2012","journal-title":"Eur J Epidemiol"},{"key":"10.1016\/j.otsr.2024.103874_bib0285","first-page":"44","article-title":"The individual risk for contralateral hip fracture after the first one: a simple algorithm based on a nationwide Danish cohort study","volume":"95","author":"Goldhahn","year":"2013","journal-title":"Bone Joint J"},{"key":"10.1016\/j.otsr.2024.103874_bib0290","doi-asserted-by":"crossref","first-page":"755","DOI":"10.1007\/s00264-014-2646-x","article-title":"Subsequent contralateral hip fractures: can at-risk patients be identified? An observational study of 5,102 patients","volume":"39","author":"Sk\u00e1la-Rosenbaum","year":"2015","journal-title":"Int Orthop"},{"key":"10.1016\/j.otsr.2024.103874_bib0295","doi-asserted-by":"crossref","first-page":"783","DOI":"10.1556\/650.2017.30757","article-title":"Analysis of mortality and its predictors in patients with contralateral hip fracture after femoral neck fracture","volume":"158","author":"Juh\u00e1sz","year":"2017","journal-title":"Orv Hetil"},{"key":"10.1016\/j.otsr.2024.103874_bib0300","doi-asserted-by":"crossref","first-page":"713","DOI":"10.1016\/j.clinbiomech.2015.05.001","article-title":"A new approach to prevent contralateral hip fracture: Evaluation of the effectiveness of a fracture preventing implant","volume":"30","author":"Szpalski","year":"2015","journal-title":"Clin Biomech (Bristol, Avon)"},{"key":"10.1016\/j.otsr.2024.103874_bib0305","doi-asserted-by":"crossref","first-page":"518","DOI":"10.1016\/S0020-1383(02)00282-6","article-title":"Outcome following a second hip fracture","volume":"34","author":"Pearse","year":"2003","journal-title":"Injury"},{"key":"10.1016\/j.otsr.2024.103874_bib0310","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1097\/BOT.0b013e3181b01dce","article-title":"Is prophylactic fixation a cost-effective method to prevent a future contralateral fragility hip fracture?","volume":"24","author":"Faucett","year":"2010","journal-title":"J Orthop Trauma"},{"key":"10.1016\/j.otsr.2024.103874_bib0315","doi-asserted-by":"crossref","first-page":"1191","DOI":"10.1007\/s00402-012-1520-9","article-title":"Contralateral hip fractures and other osteoporosis-related fractures in hip fracture patients: incidence and risk factors. An observational cohort study of 1229 patients","volume":"132","author":"Vochteloo","year":"2012","journal-title":"Arch Orthop Trauma Surg"},{"key":"10.1016\/j.otsr.2024.103874_bib0320","doi-asserted-by":"crossref","first-page":"102887","DOI":"10.1016\/j.otsr.2021.102887","article-title":"Incidence and risk factors for bilateral proximal femoral fractures","volume":"108","author":"Van Haecke","year":"2022","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0325","doi-asserted-by":"crossref","first-page":"S45","DOI":"10.1007\/s40520-015-0423-3","article-title":"Femoral cortical index: an indicator of poor bone quality in patient with hip fracture","volume":"27","author":"Feola","year":"2015","journal-title":"Aging Clin Exp Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0330","doi-asserted-by":"crossref","first-page":"366","DOI":"10.1007\/s002239900446","article-title":"Possible predisposing factors for the second hip fracture","volume":"62","author":"Dretakis","year":"1998","journal-title":"Calcif Tissue Int"},{"key":"10.1016\/j.otsr.2024.103874_bib0335","doi-asserted-by":"crossref","first-page":"1714","DOI":"10.1359\/jbmr.1999.14.10.1714","article-title":"Femoral neck length and hip fracture risk","volume":"14","author":"Michelotti","year":"1999","journal-title":"J Bone Miner Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0340","doi-asserted-by":"crossref","first-page":"1299","DOI":"10.1007\/s00198-005-1988-z","article-title":"Femoral neck geometry and hip fracture risk: the Geelong osteoporosis study","volume":"16","author":"El-Kaissi","year":"2005","journal-title":"Osteoporos Int"},{"key":"10.1016\/j.otsr.2024.103874_bib0345","doi-asserted-by":"crossref","first-page":"1680","DOI":"10.1097\/01.blo.0000534679.75870.5f","article-title":"Classifications in brief: T\u00f6nnis classification of hip osteoarthritis","volume":"476","author":"Kovalenko","year":"2018","journal-title":"Clin Orthop Relat Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0350","doi-asserted-by":"crossref","first-page":"1801","DOI":"10.2106\/JBJS.J.01539","article-title":"Outcome after sequential hip fracture in the elderly","volume":"94","author":"Holt","year":"2012","journal-title":"J Bone Joint Surg Am"},{"key":"10.1016\/j.otsr.2024.103874_bib0355","doi-asserted-by":"crossref","first-page":"1211","DOI":"10.1002\/jbmr.5650081008","article-title":"Simple measurement of femoral geometry predicts hip fracture: the study of osteoporotic fractures","volume":"8","author":"Faulkner","year":"1993","journal-title":"J Bone Miner Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0360","doi-asserted-by":"crossref","first-page":"1908","DOI":"10.1002\/jbmr.5650101210","article-title":"Measurement of femoral geometry in type I and type II osteoporosis: differences in hip axis length consistent with heterogeneity in the pathogenesis of osteoporotic fractures","volume":"10","author":"Boonen","year":"1995","journal-title":"J Bone Miner Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0365","doi-asserted-by":"crossref","first-page":"167","DOI":"10.1007\/BF02106096","article-title":"Better discrimination of hip fracture using bone density, geometry and architecture","volume":"5","author":"Peacock","year":"1995","journal-title":"Osteoporos Int"},{"key":"10.1016\/j.otsr.2024.103874_bib0370","doi-asserted-by":"crossref","first-page":"S17","DOI":"10.1007\/s40520-015-0406-4","article-title":"Proximal femur geometry assessed by hip structural analysis in hip fracture in women","volume":"Suppl 1","author":"Iolascon","year":"2015","journal-title":"Aging Clin Exp Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0375","first-page":"83","article-title":"Improved methods for quantitative radiographic evaluation with particular reference to total-hip arthroplasty","volume":"121","author":"Clarke","year":"1976","journal-title":"Clin Orthop Relat Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0380","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1007\/s002239900177","article-title":"Magnification error of femoral geometry using fan beam densitometers","volume":"60","author":"Pocock","year":"1997","journal-title":"Calcif Tissue Int"},{"key":"10.1016\/j.otsr.2024.103874_bib0385","doi-asserted-by":"crossref","first-page":"S47","DOI":"10.1007\/s40520-013-0074-1","article-title":"Bone mineral density evaluation in osteoporosis: why yes and why not?","volume":"25","author":"Celi","year":"2013","journal-title":"Aging Clin Exp Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0390","doi-asserted-by":"crossref","first-page":"468","DOI":"10.1359\/jbmr.081108","article-title":"Hip fractures and the contribution of cortical versus trabecular bone to femoral neck strength","volume":"24","author":"Holzer","year":"2009","journal-title":"J Bone Miner Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0395","doi-asserted-by":"crossref","first-page":"1371","DOI":"10.1681\/ASN.2009121208","article-title":"Bone mass and microarchitecture in CKD patients with fracture","volume":"21","author":"Nickolas","year":"2010","journal-title":"J Am Soc Nephrol"},{"key":"10.1016\/j.otsr.2024.103874_bib0400","doi-asserted-by":"crossref","first-page":"508","DOI":"10.1016\/j.arth.2005.04.037","article-title":"Assessment of the proximal femoral morphology using plain radiograph \u2013 can it predict the bone quality?","volume":"21","author":"Yeung","year":"2006","journal-title":"J Arthroplasty"},{"key":"10.1016\/j.otsr.2024.103874_bib0405","doi-asserted-by":"crossref","first-page":"1413","DOI":"10.1016\/j.otsr.2020.06.016","article-title":"Contribution of the remaining attachment index in the management of Vancouver B1 periprosthetic hip fracture","volume":"106","author":"Andriamananaivo","year":"2020","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0410","doi-asserted-by":"crossref","first-page":"701","DOI":"10.1016\/j.otsr.2016.05.013","article-title":"Periprosthetic fracture in the elderly with anatomic modular cementless hemiarthroplasty","volume":"102","author":"Kouyoumdjian","year":"2016","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0415","first-page":"636","article-title":"Proximal femoral fractures in patients over 75 years: vital and functional prognosis of a cohort of 78 patients followed during 2.5 years","volume":"83","author":"Tonetti","year":"1997","journal-title":"Rev Chir Orthop"},{"key":"10.1016\/j.otsr.2024.103874_bib0420","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1056\/NEJM200102013440503","article-title":"Effect of risedronate on the risk of hip fracture in elderly women. Hip Intervention Program Study Group","volume":"344","author":"McClung","year":"2001","journal-title":"N Engl J Med"},{"key":"10.1016\/j.otsr.2024.103874_bib0425","doi-asserted-by":"crossref","first-page":"480","DOI":"10.1097\/CORR.0000000000000545","article-title":"Prophylactic fixation can be cost-effective in preventing a contralateral bisphosphonate-associated femur fracture","volume":"477","author":"Jiang","year":"2019","journal-title":"Clin Orthop Relat Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0430","doi-asserted-by":"crossref","first-page":"102838","DOI":"10.1016\/j.otsr.2021.102838","article-title":"Fracture fixation versus hemiarthroplasty for unstable intertrochanteric fractures in elderly patients: A systematic review and network meta-analysis of randomized controlled trials","volume":"108","author":"Hongku","year":"2022","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0435","doi-asserted-by":"crossref","first-page":"S25","DOI":"10.1016\/j.otsr.2017.04.020","article-title":"Optimization of perioperative management of proximal femoral fracture in the elderly","volume":"104","author":"Merloz","year":"2018","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0440","doi-asserted-by":"crossref","first-page":"S95","DOI":"10.1016\/j.otsr.2018.04.034","article-title":"Hemiarthroplasty or total hip arthroplasty in recent femoral neck fractures?","volume":"105","author":"Guyen","year":"2019","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0445","doi-asserted-by":"crossref","first-page":"103151","DOI":"10.1016\/j.otsr.2021.103151","article-title":"The effect of regional nerve block on perioperative delirium in hip fracture surgery for the elderly: A systematic review and meta-analysis of randomized controlled trials","volume":"108","author":"Kim","year":"2022","journal-title":"Orthop Traumatol Surg Res"},{"key":"10.1016\/j.otsr.2024.103874_bib0450","doi-asserted-by":"crossref","first-page":"102985","DOI":"10.1016\/j.otsr.2021.102985","article-title":"Assessment of morbidity and mortality after periprosthetic hip fracture. Influence of Vancouver stage in a retrospective single-centre study of 88 patients","volume":"108","author":"Francony","year":"2022","journal-title":"Orthop Traumatol Surg Res"}],"container-title":["Orthopaedics &amp; Traumatology: Surgery &amp; Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1877056824001014?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1877056824001014?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,6,1]],"date-time":"2025-06-01T05:12:03Z","timestamp":1748754723000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1877056824001014"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,6]]},"references-count":45,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2024,6]]}},"alternative-id":["S1877056824001014"],"URL":"https:\/\/doi.org\/10.1016\/j.otsr.2024.103874","relation":{},"ISSN":["1877-0568"],"issn-type":[{"value":"1877-0568","type":"print"}],"subject":[],"published":{"date-parts":[[2024,6]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Is there a femoral morphology at risk of a cervical or pertrochanteric fracture? Description and validation of the \u201cNeck shaft ratio\u201d and the \u201cIntertrochanteric distal ratio\u201d after analyzing a continuous cohort of 126 bilateral fractures of the proximal femur","name":"articletitle","label":"Article Title"},{"value":"Orthopaedics & Traumatology: Surgery & Research","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.otsr.2024.103874","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2024 Published by Elsevier Masson SAS.","name":"copyright","label":"Copyright"}],"article-number":"103874"}}