{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T23:13:58Z","timestamp":1777677238390,"version":"3.51.4"},"reference-count":22,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T00:00:00Z","timestamp":1767830400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["HIP International"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>Using a finite element (FE) model, we aimed to validate the efficacy of our new additional reduction screw technique to basicervical femoral neck fractures.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>To investigate the biomechanical effects of an additional screw in an FE model of a femoral fracture, we recorded von Mises stress distributions. The fracture was simulated along the trochanteric line, with the additional screw positioned as inferior to the femoral neck as possible without invading the cortical bone. We compared models with and without the additional reduction screw to assess differences in external stress resistance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>In the model without the additional screw, stress was distributed along the inferior neck of the fractured femoral head fragment. With the additional screw, stress in this region decreased, leading to better stress redistribution and improved structural integrity. The peak implant stress \u2013 particularly at junctions \u2013 was lower with the additional screw. Fracture fragment displacement around the femoral head centre was 61.9\u2009mm without the additional screw and 9.5\u2009mm with it.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>In basicervical fractures, additional reduction screw fixation enhanced stress distribution across the bone at the fracture site \u2013 especially on the anteromedial cortex \u2013 reduced implant stress, and minimised fracture fragment movement during cephalomedullary nailing.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11207000251401090","type":"journal-article","created":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T04:10:27Z","timestamp":1767931827000},"page":"324-331","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["The effect of additional reduction screw fixation for basicervical femoral neck fracture: a finite element analysis"],"prefix":"10.1177","volume":"36","author":[{"given":"Kyoung-Joo","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, National Police Hospital, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jihoon","family":"Ahn","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Asan Medical Centre, University of Ulsan College of Medicine, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9233-5358","authenticated-orcid":false,"given":"Chul-Ho","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Asan Medical Centre, University of Ulsan College of Medicine, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2026,1,8]]},"reference":[{"key":"e_1_3_2_2_2","article-title":"Conservative versus operative treatment for hip fractures in adults","volume":"2008","author":"Handoll HH","year":"2008","unstructured":"Handoll HH, Parker MJ. 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Cochrane Database Syst Rev 2008; 2008: CD000337.","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcot.2024.102497"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-015-2200-3"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1097\/BOT.0b013e31804797cf"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-015-2206-x"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.12671\/jkfs.2018.31.3.79"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-014-2089-2"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.5371\/hp.2021.33.3.162"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.5371\/hp.2020.32.4.170"},{"key":"e_1_3_2_11_2","article-title":"Biomechanics of subtrochanteric fracture fixation using short cephalomedullary nails: a finite element analysis","volume":"16","author":"Riveiro Rodr\u00edguez A","year":"2021","unstructured":"Riveiro Rodr\u00edguez A, Kwak DK, Bang SH, et al. Biomechanics of subtrochanteric fracture fixation using short cephalomedullary nails: a finite element analysis. 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