{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T13:18:19Z","timestamp":1777727899409,"version":"3.51.4"},"reference-count":19,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Femoral neck fractures are common. We evaluated the biomechanical performance of an internal fixation method based on traditional three cannulated screws (3CS) inserted from below the fracture in the direction of the calcar femorale in the treatment of Pauwels III femoral neck fracture.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We constructed and evaluated a three-dimensional model of a Pauwels III femoral neck fracture with four models of internal fixation (3CS, and 150\u00b0, 155\u00b0, and 160\u00b0 nailing angles) for reconstruction of the calcar femorale, by finite element analysis (FEA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The peak stress values at the fracture ends in the 3CS, 150\u00b0, 155\u00b0, and 160\u00b0 nailing angle models were 30.052\u2009MPa, 33.382\u2009MPa, 34.012\u2009MPa, and 29.858\u2009MPa; peak stress values for internal fixed stress were 315.121\u2009MPa, 228.819\u2009MPa, 198.173\u2009MPa, and 208.798\u2009MPa; and the maximum displacement of the femoral head was 13.190\u2009mm, 13.183\u2009mm, 12.443\u2009mm, and 12.896\u2009mm, respectively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>FEA showed that the new nailing methods and the 160\u00b0 nailing angle for reconstruction of the calcar femorale showed better performance in resisting shearing force for Pauwels III femoral neck fracture, with better mechanical properties, than those with the other three models. These findings can provide a clinical reference.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03000605221112043","type":"journal-article","created":{"date-parts":[[2022,7,28]],"date-time":"2022-07-28T04:53:38Z","timestamp":1658984018000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Biomechanical evaluation of the reconstruction of the calcar femorale in femoral neck fractures: a comparative finite element analysis"],"prefix":"10.1177","volume":"50","author":[{"given":"Zhihao","family":"Gao","sequence":"first","affiliation":[{"name":"Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Tianjin, People\u2019s Republic of China"},{"name":"Tianjin Key Laboratory of Orthopedic Biomechanics and Medical Engineering, Tianjin Hospital, Tianjin University, No. 155 MuNan Road, Tianjin, People\u2019s Republic of China"},{"name":"Academy of Medical Engineering and Translational Medicine, Tianjin University, No. 92 WeiJin Road, Tianjin, Peoples Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianxiong","family":"Ma","sequence":"additional","affiliation":[{"name":"Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Tianjin, People\u2019s Republic of China"},{"name":"Tianjin Key Laboratory of Orthopedic Biomechanics and Medical Engineering, Tianjin Hospital, Tianjin University, No. 155 MuNan Road, Tianjin, People\u2019s Republic of China"},{"name":"Academy of Medical Engineering and Translational Medicine, Tianjin University, No. 92 WeiJin Road, Tianjin, Peoples Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ying","family":"Wang","sequence":"additional","affiliation":[{"name":"Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Tianjin, People\u2019s Republic of China"},{"name":"Tianjin Key Laboratory of Orthopedic Biomechanics and Medical Engineering, Tianjin Hospital, Tianjin University, No. 155 MuNan Road, Tianjin, People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bin","family":"Lu","sequence":"additional","affiliation":[{"name":"Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Tianjin, People\u2019s Republic of China"},{"name":"Tianjin Key Laboratory of Orthopedic Biomechanics and Medical Engineering, Tianjin Hospital, Tianjin University, No. 155 MuNan Road, Tianjin, People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haohao","family":"Bai","sequence":"additional","affiliation":[{"name":"Tianjin Hospital, Tianjin University, No. 406 Jiefang South Road, Tianjin, People\u2019s Republic of China"},{"name":"Tianjin Key Laboratory of Orthopedic Biomechanics and Medical Engineering, Tianjin Hospital, Tianjin University, No. 155 MuNan Road, Tianjin, People\u2019s Republic of 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