{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,30]],"date-time":"2026-03-30T20:02:44Z","timestamp":1774900964671,"version":"3.50.1"},"reference-count":34,"publisher":"Springer Science and Business Media LLC","issue":"6","license":[{"start":{"date-parts":[[2019,6,8]],"date-time":"2019-06-08T00:00:00Z","timestamp":1559952000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2019,6,8]],"date-time":"2019-06-08T00:00:00Z","timestamp":1559952000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Aging Clin Exp Res"],"published-print":{"date-parts":[[2020,6]]},"DOI":"10.1007\/s40520-019-01237-z","type":"journal-article","created":{"date-parts":[[2019,6,8]],"date-time":"2019-06-08T04:31:42Z","timestamp":1559968302000},"page":"1173-1178","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["Internal fixation of intracapsular femoral neck fractures in elderly patients: mortality and reoperation rate"],"prefix":"10.1007","volume":"32","author":[{"given":"Marco","family":"Bigoni","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco","family":"Turati","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9726-3373","authenticated-orcid":false,"given":"Giulio","family":"Leone","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Agostino Dario","family":"Caminita","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fabio","family":"D\u2019Angelo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniele","family":"Munegato","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giovanni","family":"Zatti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2019,6,8]]},"reference":[{"key":"1237_CR1","doi-asserted-by":"publisher","first-page":"897","DOI":"10.1007\/s00198-004-1627-0","volume":"15","author":"O Johnell","year":"2004","unstructured":"Johnell O, Kanis JA (2004) An estimate of the worldwide prevalence, mortality and disability associated with hip fracture. Osteoporos Int 15:897\u2013902","journal-title":"Osteoporos Int"},{"key":"1237_CR2","doi-asserted-by":"publisher","first-page":"18","DOI":"10.1007\/s198-002-8333-x","volume":"13","author":"O L\u00f6fman","year":"2002","unstructured":"L\u00f6fman O, Berglund K, Larsson L et al (2002) Changes in hip fracture epidemiology: redistribution between ages, genders and fracture types. Osteoporos Int 13:18\u201325","journal-title":"Osteoporos Int"},{"key":"1237_CR3","doi-asserted-by":"publisher","first-page":"150","DOI":"10.1016\/S0140-6736(85)91915-4","volume":"1","author":"WJ Boyce","year":"1985","unstructured":"Boyce WJ, Vessey MP (1985) Rising incidence of fracture of the proximal femur. Lancet 1:150\u2013151","journal-title":"Lancet"},{"key":"1237_CR4","doi-asserted-by":"publisher","first-page":"1609","DOI":"10.1503\/cmaj.092220","volume":"182","author":"N Simunovic","year":"2010","unstructured":"Simunovic N, Devereaux PJ, Sprague S et al (2010) Effect of early surgery after hip fracture on mortality and complications: systematic review and meta-analysis. CMAJ 182:1609\u201316","journal-title":"CMAJ"},{"key":"1237_CR5","doi-asserted-by":"publisher","first-page":"2736","DOI":"10.1001\/jama.285.21.2736","volume":"285","author":"EL Hannan","year":"2001","unstructured":"Hannan EL, Magaziner J, Wang JJ et al (2001) Mortality and locomotion 6 months after hospitalization for hip fracture: risk factors and risk-adjusted hospital outcomes. JAMA 285:2736\u20132742","journal-title":"JAMA"},{"key":"1237_CR6","doi-asserted-by":"publisher","first-page":"162","DOI":"10.1097\/00005131-199704000-00004","volume":"11","author":"GB Aharonoff","year":"1997","unstructured":"Aharonoff GB, Koval KJ, Skovron ML et al (1997) Hip fractures in the elderly: predictors of one year mortality. J Orthop Trauma 11:162\u2013165","journal-title":"J Orthop Trauma"},{"key":"1237_CR7","doi-asserted-by":"publisher","first-page":"163","DOI":"10.3109\/17453678008990781","volume":"51","author":"E Dahl","year":"1980","unstructured":"Dahl E (1980) Mortality and life expectancy after hip fractures. Acta Orthop Scand 51:163\u2013170","journal-title":"Acta Orthop Scand"},{"key":"1237_CR8","doi-asserted-by":"publisher","first-page":"381","DOI":"10.1007\/BF03324834","volume":"18","author":"G Pioli","year":"2006","unstructured":"Pioli G, Barone A, Giusti A et al (2006) Predictors of mortality after hip fracture: results from 1-year follow-up. Aging Clin Exp Res 18:381\u2013387","journal-title":"Aging Clin Exp Res"},{"key":"1237_CR9","doi-asserted-by":"publisher","first-page":"497","DOI":"10.1007\/s40520-014-0205-3","volume":"26","author":"D Gaddi","year":"2014","unstructured":"Gaddi D, Piarulli G, Angeloni A et al (2014) Gotfried percutaneous compression plating (PCCP) versus dynamic hip screw (DHS) in hip fractures: blood loss and 1-year mortality. Aging Clin Exp Res 26:497\u2013503","journal-title":"Aging Clin Exp Res"},{"key":"1237_CR10","doi-asserted-by":"publisher","first-page":"116","DOI":"10.1097\/BOT.0000000000001360","volume":"33","author":"PK Cronin","year":"2019","unstructured":"Cronin PK, Freccero DM, Kain MS et al (2019) Garden 1 and 2 femoral neck fractures collapse more than expected after closed reduction and percutaneous pinning. J Orthop Trauma 33:116\u2013119","journal-title":"J Orthop Trauma"},{"key":"1237_CR11","doi-asserted-by":"publisher","first-page":"578","DOI":"10.1007\/s00776-013-0400-7","volume":"18","author":"ND Clement","year":"2013","unstructured":"Clement ND, Green K, Murray N et al (2013) Undisplaced intracapsular hip fractures in the elderly: predicting fixation failure and mortality. A prospective study of 162 patients. J Orthop Sci 18:578\u2013585","journal-title":"J Orthop Sci"},{"key":"1237_CR12","doi-asserted-by":"publisher","first-page":"268","DOI":"10.3109\/17453674.2011.588857","volume":"82","author":"JE Gjertsen","year":"2011","unstructured":"Gjertsen JE, Fevang JM, Matre K et al (2011) Clinical outcome after undisplaced femoral neck fractures. Acta Orthop 82:268\u2013274","journal-title":"Acta Orthop"},{"key":"1237_CR13","doi-asserted-by":"publisher","first-page":"303","DOI":"10.3109\/17453670902967281","volume":"80","author":"H Palm","year":"2009","unstructured":"Palm H, Gosvig K, Krasheninnikoff M et al (2009) A new measurement for posterior tilt predicts reoperation in undisplaced femoral neck fractures: 113 consecutive patients treated by internal fixation and followed for 1\u00a0year. Acta Orthop 80:303\u2013307","journal-title":"Acta Orthop"},{"key":"1237_CR14","doi-asserted-by":"publisher","first-page":"647","DOI":"10.1302\/0301-620X.43B4.647","volume":"43","author":"RS Garden","year":"1961","unstructured":"Garden RS (1961) Low-angle fixation in fractures of the femoral neck. J Bone Jt Surg Br 43:647\u2013663","journal-title":"J Bone Jt Surg Br"},{"key":"1237_CR15","doi-asserted-by":"publisher","first-page":"AO4351","DOI":"10.1590\/s1679-45082018ao4351","volume":"16","author":"EJ Lehtonen","year":"2018","unstructured":"Lehtonen EJ, Stibolt Jr RD, Smith W et al (2018) Trends in surgical treatment of femoral neck fractures in the elderly. Einstein (Sao Paulo) 16:AO4351","journal-title":"Einstein (Sao Paulo)"},{"key":"1237_CR16","doi-asserted-by":"publisher","first-page":"136","DOI":"10.2106\/JBJS.18.00316","volume":"101","author":"FC Dolatowski","year":"2019","unstructured":"Dolatowski FC, Frihagen F, Bartels S et al (2019) Screw fixation versus hemiarthroplasty for nondisplaced femoral neck fractures in elderly patients: a multicenter randomized controlled trial. J Bone Jt Surg Am 101:136\u2013144","journal-title":"J Bone Jt Surg Am"},{"key":"1237_CR17","doi-asserted-by":"publisher","first-page":"264","DOI":"10.1186\/s12891-016-1123-7","volume":"17","author":"JS Kang","year":"2016","unstructured":"Kang JS, Jeon YS, Ahn CH et al (2016) Osteosynthesis versus endoprosthesis for the treatment of femoral neck fracture in Asian elderly patients. BMC Musculoskelet Disord 17:264","journal-title":"BMC Musculoskelet Disord"},{"key":"1237_CR18","first-page":"680","volume":"36","author":"E Walker","year":"2007","unstructured":"Walker E, Mukherjee DP, Ogden AL et al (2007) A biomechanical study of simulated femoral neck fracture fixation by cannulated screws: effects of placement angle and number of screws. Am J Orthop 36:680\u2013684","journal-title":"Am J Orthop"},{"key":"1237_CR19","first-page":"438","volume":"32","author":"SG Maurer","year":"2003","unstructured":"Maurer SG, Wright KE, Kummer FJ et al (2003) Two or three screws for fixation of femoral neck fractures? Am J Orthop 32:438\u2013442","journal-title":"Am J Orthop"},{"key":"1237_CR20","doi-asserted-by":"publisher","first-page":"61","DOI":"10.2106\/JBJS.K.01081","volume":"95","author":"JJ Yang","year":"2013","unstructured":"Yang JJ, Lin LC, Chao KH et al (2013) Risk factors for nonunion in patients with intracapsular femoral neck fractures treated with three cannulated screws placed in either a triangle or an inverted triangle configuration. J Bone Jt Surg Am 95:61\u201369","journal-title":"J Bone Jt Surg Am"},{"key":"1237_CR21","doi-asserted-by":"publisher","first-page":"1537","DOI":"10.1097\/TA.0b013e3181efb1d1","volume":"69","author":"R Zdero","year":"2010","unstructured":"Zdero R, Keast-Butler O, Schemitsch EH (2010) A biomechanical comparison of two triple-screw methods for femoral neck fracture fixation in a synthetic bone model. J Trauma 69:1537\u20131544","journal-title":"J Trauma"},{"key":"1237_CR22","doi-asserted-by":"publisher","first-page":"1359","DOI":"10.1007\/s00590-018-2207-x","volume":"28","author":"V Giordano","year":"2018","unstructured":"Giordano V, Paes RP, Alves DD et al (2018) Stability of L-shaped and inverted triangle fixation assemblies in treating Pauwels type II femoral neck fracture: a comparative mechanical study. Eur J Orthop Surg Traumatol 28:1359\u20131367","journal-title":"Eur J Orthop Surg Traumatol"},{"key":"1237_CR23","doi-asserted-by":"publisher","first-page":"191","DOI":"10.1007\/s00068-015-0528-6","volume":"42","author":"SK Han","year":"2016","unstructured":"Han SK, Song HS, Kim R et al (2016) Clinical results of treatment of garden type 1 and 2 femoral neck fractures in patients over 70-year old. Eur J Trauma Emerg Surg 42:191\u2013196","journal-title":"Eur J Trauma Emerg Surg"},{"key":"1237_CR24","doi-asserted-by":"publisher","first-page":"161","DOI":"10.3109\/17453679408995426","volume":"65","author":"A Sj\u00f6stedt","year":"1994","unstructured":"Sj\u00f6stedt A, Zetterberg C, Hansson T et al (1994) Bone mineral content and fixation strength of femoral neck fractures. A cadaver study. Acta Orthop Scand 65:161\u2013165","journal-title":"Acta Orthop Scand"},{"key":"1237_CR25","doi-asserted-by":"publisher","first-page":"373","DOI":"10.1016\/0021-9681(87)90171-8","volume":"40","author":"ME Charlson","year":"1987","unstructured":"Charlson ME, Pompei P, Ales KL et al (1987) A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. J Chronic Dis 40:373\u2013383","journal-title":"J Chronic Dis"},{"key":"1237_CR26","doi-asserted-by":"publisher","first-page":"676","DOI":"10.1093\/aje\/kwq433","volume":"173","author":"H Quan","year":"2011","unstructured":"Quan H, Li B, Couris CM et al (2011) Updating and validating the Charlson comorbidity index and score for risk adjustment in hospital discharge abstracts using data from 6 countries. Am J Epidemiol 173:676\u2013682","journal-title":"Am J Epidemiol"},{"key":"1237_CR27","doi-asserted-by":"publisher","first-page":"206","DOI":"10.1302\/0301-620X.83B2.0830206","volume":"83","author":"JN Davison","year":"2001","unstructured":"Davison JN, Calder SJ, Anderson GH et al (2001) Treatment for displaced intracapsular fracture of the proximal femur. A prospective, randomised trial in patients aged 65 to 79 years. J Bone Jt Surg Br 83:206\u2013212","journal-title":"J Bone Jt Surg Br"},{"key":"1237_CR28","doi-asserted-by":"publisher","first-page":"427","DOI":"10.2147\/CIA.S189760","volume":"14","author":"L de Jong","year":"2019","unstructured":"de Jong L, van Rijckevorsel VA, Raats JW et al (2019) Delirium after hip hemiarthroplasty for proximal femoral fractures in elderly patients: risk factors and clinical outcomes. Clin Interv Aging 14:427\u2013435","journal-title":"Clin Interv Aging"},{"key":"1237_CR29","doi-asserted-by":"publisher","DOI":"10.1016\/j.jos.2019.02.019","author":"JW Kim","year":"2019","unstructured":"Kim JW, Kim DH, Jang EC et al (2019) Mortality and its risk factors in nonagenarians after hip fractures. J Orthop Sci. \n                  https:\/\/doi.org\/10.1016\/j.jos.2019.02.019","journal-title":"J Orthop Sci"},{"key":"1237_CR30","doi-asserted-by":"publisher","first-page":"793","DOI":"10.1016\/S0020-1383(00)00125-X","volume":"31","author":"KJ Ravikumar","year":"2000","unstructured":"Ravikumar KJ, Marsh G (2000) Internal fixation versus hemiarthroplasty versus total hip arthroplasty for displaced subcapital fractures of femur\u201413\u00a0year results of a prospective randomised study. Injury 31:793\u2013797","journal-title":"Injury"},{"key":"1237_CR31","doi-asserted-by":"publisher","first-page":"1015","DOI":"10.1016\/j.injury.2004.01.004","volume":"35","author":"M Sikand","year":"2004","unstructured":"Sikand M, Wenn R, Moran CG (2004) Mortality following surgery for undisplaced intracapsular hip fractures. Injury 35:1015\u20131019","journal-title":"Injury"},{"key":"1237_CR32","doi-asserted-by":"publisher","first-page":"498","DOI":"10.1080\/17453670710014149","volume":"78","author":"K Bj\u00f8rgul","year":"2007","unstructured":"Bj\u00f8rgul K, Reiker\u00e5s O (2007) Outcome of undisplaced and moderately displaced femoral neck fractures. Acta Orthop 78:498\u2013504","journal-title":"Acta Orthop"},{"key":"1237_CR33","doi-asserted-by":"publisher","DOI":"10.1097\/BPO.0000000000001069","author":"N Portinaro","year":"2017","unstructured":"Portinaro N, Turati M, Cometto M et al (2017) Guided growth of the proximal femur for the management of hip dysplasia in children with cerebral palsy. J Pediatr Orthop. \n                  https:\/\/doi.org\/10.1097\/BPO.0000000000001069","journal-title":"J Pediatr Orthop"},{"key":"1237_CR34","doi-asserted-by":"publisher","first-page":"228","DOI":"10.1016\/j.otsr.2009.11.012","volume":"96","author":"JM Buord","year":"2010","unstructured":"Buord JM, Flecher X, Parratte S et al (2010) Garden I femoral neck fractures in patients 65\u00a0years old and older: is conservative functional treatment a viable option? Orthop Traumatol Surg Res 96:228\u2013234","journal-title":"Orthop Traumatol Surg Res"}],"container-title":["Aging Clinical and Experimental Research"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s40520-019-01237-z.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s40520-019-01237-z\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s40520-019-01237-z.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,9,17]],"date-time":"2020-09-17T14:42:59Z","timestamp":1600353779000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s40520-019-01237-z"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,6,8]]},"references-count":34,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2020,6]]}},"alternative-id":["1237"],"URL":"https:\/\/doi.org\/10.1007\/s40520-019-01237-z","relation":{},"ISSN":["1720-8319"],"issn-type":[{"value":"1720-8319","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,6,8]]},"assertion":[{"value":"29 April 2019","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"31 May 2019","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"8 June 2019","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"The authors have stated that they had no conflict of interests.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"All procedures performed in this study involving human participants were in accordance with the ethical standards of the Institutional Research Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Statement of human and animal rights"}},{"value":"Informed consent was obtained from all individual participants included in the study. All authors gave their consent for paper publication.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}},{"value":"The datasets generated during and\/or analyzed during the current study are not publicly available due to privacy reasons but are available from the corresponding author on reasonable request.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Data Availability"}}]}}