{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T20:16:15Z","timestamp":1792095375217,"version":"4.4.0"},"reference-count":27,"publisher":"Springer Science and Business Media LLC","issue":"5","license":[{"start":{"date-parts":[[2019,2,18]],"date-time":"2019-02-18T00:00:00Z","timestamp":1550448000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2019,2,18]],"date-time":"2019-02-18T00:00:00Z","timestamp":1550448000000},"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":["Eur J Orthop Surg Traumatol"],"published-print":{"date-parts":[[2019,7,1]]},"DOI":"10.1007\/s00590-019-02401-x","type":"journal-article","created":{"date-parts":[[2019,2,18]],"date-time":"2019-02-18T15:14:52Z","timestamp":1550502892000},"page":"1035-1042","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Comparison of radiological and functional outcome of unstable intertrochanteric femur fractures treated using PFN and PFNA-2 in patients with osteoporosis"],"prefix":"10.1007","volume":"29","author":[{"given":"Sharan","family":"Mallya","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Surendra U.","family":"Kamath","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arkesh","family":"Madegowda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sunil Lakshmipura","family":"Krishnamurthy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manesh Kumar","family":"Jain","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ramesh","family":"Holla","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2019,2,18]]},"reference":[{"issue":"4","key":"2401_CR1","doi-asserted-by":"crossref","first-page":"210","DOI":"10.4103\/0019-5413.34497","volume":"40","author":"S Babhulkar","year":"2006","unstructured":"Babhulkar S (2006) Management of trochanteric fractures. Indian J Orthop 40(4):210\u2013218","journal-title":"Indian J Orthop"},{"issue":"1628\u201333","key":"2401_CR2","first-page":"3","volume":"20","author":"K Zhang","year":"2014","unstructured":"Zhang K, Zhang S, Yang J, Dong W, Wang S, Cheng Y et al (2014) Proximal femoral nail vs. dynamic hip screw in treatment of intertrochanteric fractures: a meta- analysis. Med Sci Monit 20(1628\u201333):3","journal-title":"Med Sci Monit"},{"issue":"1","key":"2401_CR3","doi-asserted-by":"crossref","first-page":"12","DOI":"10.13107\/ti.2015.v01i01.004","volume":"1","author":"AC Dhamangaonkar","year":"2015","unstructured":"Dhamangaonkar AC (2015) Management options and treatment algorithm in intertrochanteric fractures. Trauma Int 1(1):12\u201316","journal-title":"Trauma Int"},{"issue":"7","key":"2401_CR4","doi-asserted-by":"publisher","first-page":"291","DOI":"10.4236\/ojo.2013.37053","volume":"3","author":"U Bhakat","year":"2013","unstructured":"Bhakat U, Bandyopadhayay R (2013) Comparitive study between proximal femoral nailing and dynamic hip screw in intertrochanteric fracture of femur. Open J Orthop 3(7):291\u2013295. https:\/\/doi.org\/10.4236\/ojo.2013.37053","journal-title":"Open J Orthop"},{"key":"2401_CR5","doi-asserted-by":"crossref","unstructured":"Hohendorff B, Meyer P, Menezes D, Meier L, Elke R (2005) Treatment results and complications after PFN osteosynthesis. Unfallchirurg. 108(11):938, 940, 941\u2013946 passim","DOI":"10.1007\/s00113-005-0962-8"},{"key":"2401_CR6","doi-asserted-by":"crossref","first-page":"301","DOI":"10.1007\/s00590-011-0840-8","volume":"22","author":"A Raviraj","year":"2012","unstructured":"Raviraj A, Anand A, Chakravarthy M, Pai S (2012) Proximal femoral nail antirotation (PFNA) for treatment of osteoporotic proximal femoral fractures. Eur J Orthop Surg Traumatol 22:301\u2013305","journal-title":"Eur J Orthop Surg Traumatol"},{"key":"2401_CR7","first-page":"984","volume":"37","author":"E Strauss","year":"2006","unstructured":"Strauss E, Frank J, Lee J, Kummer FJ, Tejwani N (2006) Helical blade versus sliding hip screw for treatment of unstable intertrochanteric hip fractures. Biomech Eval Inj 37:984\u2013989","journal-title":"Biomech Eval Inj"},{"key":"2401_CR8","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1186\/1749-799X-8-35","volume":"8","author":"AN Nikoloski","year":"2013","unstructured":"Nikoloski AN, Osbrough AL, Yates PJ (2013) Should the tip-apex distance (TAD) rule be modified for the proximal femoral nail antirotation (PFNA)? A retrospective study. J Orthop Surg Res 8:35","journal-title":"J Orthop Surg Res"},{"key":"2401_CR9","doi-asserted-by":"crossref","first-page":"354","DOI":"10.18203\/issn.2455-4510.IntJResOrthop20164168","volume":"2","author":"MR Kashid","year":"2016","unstructured":"Kashid MR, Gogia T, Prabhakara A, Jafri MA, Shaktawat DS, Shinde G (2016) Comparative study between proximal femoral nail and proximal femoral nail antirotation in management of unstable trochanteric fractures. Int J Res Orthop 2:354\u2013358","journal-title":"Int J Res Orthop"},{"issue":"7","key":"2401_CR10","first-page":"RC05","volume":"11","author":"A Sharma","year":"2017","unstructured":"Sharma A, Mahajan A, John B (2017) A comparison of the clinico-radiological outcomes with proximal femoral nail (PFN) and proximal femoral nail antirotation (PFNA) in fixation of unstable intertrochanteric fractures. J Clin Diagn Res 11(7):RC05\u2013RC09","journal-title":"J Clin Diagn Res"},{"key":"2401_CR11","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1097\/TA.0b013e3182213c6e","volume":"71","author":"TJ Gardenbroek","year":"2011","unstructured":"Gardenbroek TJ, Segers MJ, Simmermacher RK, Hammacher ER (2011) The proximal femur nail antirotation: an identifiable improvement in the treatment of unstable pertrochanteric fractures? J Trauma 71:169\u2013174","journal-title":"J Trauma"},{"key":"2401_CR12","doi-asserted-by":"crossref","first-page":"456","DOI":"10.2174\/1874325001509010456","volume":"9","author":"GNK Kumar","year":"2015","unstructured":"Kumar GNK, Sharma G, Khatri K, Farooque K, Lakhotia D, Sharma V et al (2015) Treatment of unstable intertrochanteric fractures with proximal femoral nail antirotation ll: our experience in Indian patients. Open Orthop J 9:456\u2013459","journal-title":"Open Orthop J"},{"issue":"1","key":"2401_CR13","doi-asserted-by":"publisher","first-page":"36","DOI":"10.1080\/000164701753606662","volume":"72","author":"IB Schipper","year":"2001","unstructured":"Schipper IB, Steyerberg EW, Castelein RM, van Vugt AB (2001) Reliability of the AO\/ASIF classification for pertrochanteric femoral fractures. Acta Orthop Scand 72(1):36\u201341. https:\/\/doi.org\/10.1080\/000164701753606662","journal-title":"Acta Orthop Scand"},{"issue":"5","key":"2401_CR14","doi-asserted-by":"crossref","first-page":"831","DOI":"10.1302\/0301-620X.78B5.0780831","volume":"78","author":"VC Koot","year":"1996","unstructured":"Koot VC, Kesselaer SM, Clevers GJ, de Hooge P, Weits T, Van der Werken C (1996) Evaluation of the Singh index for measuring osteoporosis. J Bone Joint Surg Br 78(5):831\u2013834","journal-title":"J Bone Joint Surg Br"},{"key":"2401_CR15","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1007\/s00590-011-0810-1","volume":"22","author":"L Karapinar","year":"2012","unstructured":"Karapinar L, Kumbaraci M, Kaya A, Imrci A, Incesu M (2012) Proximal femoral nail antirotation (PFNA) to treat peritrochanteric fracture in elderly patients. Eur J Orthop Surg Traumatol 22:237\u2013243","journal-title":"Eur J Orthop Surg Traumatol"},{"key":"2401_CR16","doi-asserted-by":"crossref","first-page":"1058","DOI":"10.2106\/00004623-199507000-00012","volume":"77","author":"MR Baumgaertner","year":"1995","unstructured":"Baumgaertner MR, Curtin SL, Lindskog DM, Keggi JM (1995) The value of the tip apex distance in predicting failure of fixation of peritrochanteric fractures of the hip. J Bone Joint Surg Am 77:1058\u20131064","journal-title":"J Bone Joint Surg Am"},{"issue":"A","key":"2401_CR17","doi-asserted-by":"crossref","first-page":"1399","DOI":"10.2106\/00004623-195941080-00003","volume":"41","author":"M Cleveland","year":"1959","unstructured":"Cleveland M, Bosworth DM, Thompson FR, Wilson HJ Jr, Ishizuka T (1959) A ten-year analysis of intertrochanteric fractures of the femur. J Bone Joint Surg Am 41(A):1399\u20131408","journal-title":"J Bone Joint Surg Am"},{"issue":"1","key":"2401_CR18","doi-asserted-by":"crossref","first-page":"40","DOI":"10.1016\/j.jor.2017.12.001","volume":"15","author":"K Vishwanathan","year":"2018","unstructured":"Vishwanathan K, Akbari K, Patel AJ (2018) Is the modified Harris hip score valid and responsive instrument for outcome assessment in the Indian population with pertrochanteric fractures? J Orthop 15(1):40\u201346","journal-title":"J Orthop"},{"key":"2401_CR19","first-page":"172","volume":"68","author":"S Sadic","year":"2014","unstructured":"Sadic S, Custovic S, Jasarevic M, Fazlic M, Smajic N (2014) Proximal femoral nail antirotation in treatment of fractures of proximal femur. Med Arch 68:172\u2013177","journal-title":"Med Arch"},{"issue":"3","key":"2401_CR20","doi-asserted-by":"crossref","first-page":"839","DOI":"10.1177\/147323001204000302","volume":"40","author":"C Zeng","year":"2012","unstructured":"Zeng C, Wang YR, Wei J, Gao SG, Zhang FJ, Sun ZQ et al (2012) Treatment of trochanteric fractures with proximal femoral nail antirotation or dynamic hip screw systems: a meta-analysis. J Int Med Res 40(3):839\u2013851","journal-title":"J Int Med Res"},{"issue":"4","key":"2401_CR21","first-page":"276","volume":"66","author":"I Takigami","year":"2008","unstructured":"Takigami I, Matsumoto K, Ohara A, Yamanaka K, Naganawa T, Ohashi M et al (2008) Treatment of trochanteric fractures with the proximal femoral nail antirotation (PFNA) nail system\u2014report of early result. Bull NYU Hosp Jt Dis 66(4):276\u2013279","journal-title":"Bull NYU Hosp Jt Dis"},{"key":"2401_CR22","doi-asserted-by":"crossref","first-page":"112","DOI":"10.1186\/s13018-014-0112-5","volume":"9","author":"M Li","year":"2014","unstructured":"Li M, Wu L, Liu Y, Wang C (2014) Clinical evaluation of the Asian proximal femur intramedullary nail antirotation system (PFNA-II) for treatment of intertrochanteric fractures. J Orthop Surg Res 9:112","journal-title":"J Orthop Surg Res"},{"issue":"2","key":"2401_CR23","doi-asserted-by":"publisher","first-page":"143","DOI":"10.1016\/j.otsr.2014.12.011","volume":"101","author":"J Li","year":"2015","unstructured":"Li J, Cheng L, Jing J (2015) The Asia proximal femoral nail antirotation versus the standard proximal femoral antirotation nail for unstable intertrochanteric fractures in elderly Chinese patients. Orthop Traumatol Surg Res 101(2):143\u2013146. https:\/\/doi.org\/10.1016\/j.otsr.2014.12.011","journal-title":"Orthop Traumatol Surg Res"},{"issue":"29","key":"2401_CR24","first-page":"2346","volume":"95","author":"H Xie","year":"2015","unstructured":"Xie H, Chen S, Zhou B (2015) Comparison of proximal femoral nail antirotation-II and proximal femoral nail antirotation in fixation of femoral intertrochanteric fracture. Zhonghua Yi Xue Za Zhi 95(29):2346\u20132350","journal-title":"Zhonghua Yi Xue Za Zhi"},{"key":"2401_CR25","doi-asserted-by":"publisher","DOI":"10.5704\/moj.1107.001","author":"WL Loo","year":"2011","unstructured":"Loo WL, Loh SYJ, Lee HC (2011) Review of proximal nail antirotation (PFNA) and PFNA-2-our local experience. Malays Orthop J. https:\/\/doi.org\/10.5704\/moj.1107.001","journal-title":"Malays Orthop J"},{"issue":"6","key":"2401_CR26","doi-asserted-by":"publisher","first-page":"641","DOI":"10.4103\/0019-5413.193475","volume":"50","author":"SJ Hu","year":"2016","unstructured":"Hu SJ, Chang SM, Ma Z, Du SC, Xiong LP, Wang X (2016) PFNA-ll protrusion over greater trochanter in the Asian population used in proximal femoral fractures. Indian J Orthop 50(6):641\u2013646. https:\/\/doi.org\/10.4103\/0019-5413.193475","journal-title":"Indian J Orthop"},{"key":"2401_CR27","doi-asserted-by":"publisher","DOI":"10.1016\/j.injury.2018.04.022","author":"C Kammerlander","year":"2018","unstructured":"Kammerlander C, Hem ES, Klopfer T, Gebhard F, Sermon A, Dietrich M et al (2018) Cement augmentation of the proximal femoral nail antirotation (PFNA)\u2014a multicentre randomized controlled trial. Injury. https:\/\/doi.org\/10.1016\/j.injury.2018.04.022","journal-title":"Injury"}],"container-title":["European Journal of Orthopaedic Surgery &amp; Traumatology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s00590-019-02401-x\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00590-019-02401-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00590-019-02401-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,13]],"date-time":"2023-09-13T18:57:16Z","timestamp":1694631436000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s00590-019-02401-x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,2,18]]},"references-count":27,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2019,7,1]]}},"alternative-id":["2401"],"URL":"https:\/\/doi.org\/10.1007\/s00590-019-02401-x","relation":{},"ISSN":["1633-8065","1432-1068"],"issn-type":[{"value":"1633-8065","type":"print"},{"value":"1432-1068","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,2,18]]},"assertion":[{"value":"19 October 2018","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"12 February 2019","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"18 February 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 declare that they have no competing interests.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}