{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T21:06:34Z","timestamp":1792789594508,"version":"4.5.0"},"reference-count":28,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,4,26]],"date-time":"2019-04-26T00:00:00Z","timestamp":1556236800000},"content-version":"vor","delay-in-days":25,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11772226"],"award-info":[{"award-number":["11772226"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81572154"],"award-info":[{"award-number":["81572154"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2019,4]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To investigate the biomechanical effects of reduction quality on patients after femoral neck fracture internal fixation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      The data of individual patients with femoral neck fractures were reviewed. Data for patients with simple unilateral femoral neck fractures whose reduction quality was evaluated as good by hip X\u2010ray films after internal fixation were collected from January 2013 to January 2017. The CT data of the patients was used to reconstruct 3D models of the femur and the screw. The spatial displacement after the operation of femoral neck fracture was measured, which included the displacement of the deepest portion of the femoral head fovea, the displacement of the center of the femoral head, and the rotational angle. The cases were followed up by telephone consultation and clinical review to determine whether the osteonecrosis of the femoral head occurred. Follow\u2010up time should be more than 18\u2009months after surgery. The cases were grouped according to the results into an osteonecrosis of the femoral head group and a non\u2010osteonecrosis of the femoral head group. Finally, the differences in postoperative spatial displacement between the two groups were compared and analyzed. In addition, a mechanical analysis of femoral force during gait was performed\n                      <jats:italic>via<\/jats:italic>\n                      finite element analysis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Data for 241 patients with femoral neck fractures who were treated with closed reduction and internal fixation were collected. 3D measurement showed the average displacement value, including the center of the femoral head (5.90 \u00b1 3.4 mm), the deepest portion of the femoral head fovea (9.32 \u00b1 4.8 mm), and the rotational angle (16.1\u00b0 \u00b1 9.4\u00b0). After telephone consultation and clinical review, osteonecrosis of the femoral head was diagnosed in 28 (11.62%) of the patients. In the osteonecrosis of the femoral head (ONFH) group, the displacement of the deepest portion of the femoral head fovea was 10.92 \u00b1 9.18 mm; the displacement was 8.86 \u00b1 6.29 mm in the non\u2010ONFH group. The displacement of the center of the femoral head in the ONFH group was 7.575 \u00b1 5.69 mm and 5.31 \u00b1 4.05 mm in non\u2010ONFH group. The rotational angle was 20.11\u00b0 \u00b1 10.27\u00b0 in the ONFH group and 14.19\u00b0 \u00b1 11.09\u00b0 in the non\u2010ONFH group. The statistical analysis showed that the postoperative spatial displacements, including the displacement of the deepest portion of the femoral head fovea, the displacement of the center of the femoral head, and the rotational angle between the two groups, had statistical differences. Finite element analysis showed that as the spatial displacement increased, the stress, the displacement, and the equivalent strain of the proximal femur also increased.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Poor reduction quality after femoral neck fracture is a risk factor for re\u2010fracture and femoral head necrosis, and the measurement method of this study can be used to predict the occurrence of femoral head necrosis early after femoral neck fracture.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/os.12458","type":"journal-article","created":{"date-parts":[[2019,4,26]],"date-time":"2019-04-26T06:51:40Z","timestamp":1556261500000},"page":"318-324","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":92,"title":["Correlation Between Reduction Quality of Femoral Neck Fracture and Femoral Head Necrosis Based on Biomechanics"],"prefix":"10.1111","volume":"11","author":[{"given":"Ying","family":"Wang","sequence":"first","affiliation":[{"name":"Institute of Biomedical Engineering Chinese Academy of Medical Sciences and Peking Union Medical College Tianjin China"},{"name":"Digital Orthopaedic Laboratories of the Orthopaedic Institute Tianjin Hospital Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian\u2010xiong","family":"Ma","sequence":"additional","affiliation":[{"name":"Digital Orthopaedic Laboratories of the Orthopaedic Institute Tianjin Hospital Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tao","family":"Yin","sequence":"additional","affiliation":[{"name":"Institute of Biomedical Engineering Chinese Academy of Medical Sciences and Peking Union Medical College Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhe","family":"Han","sequence":"additional","affiliation":[{"name":"Digital Orthopaedic Laboratories of the Orthopaedic Institute Tianjin Hospital Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuang\u2010shuang","family":"Cui","sequence":"additional","affiliation":[{"name":"Digital Orthopaedic Laboratories of the Orthopaedic Institute Tianjin Hospital Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9793-6697","authenticated-orcid":false,"given":"Zhi\u2010peng","family":"Liu","sequence":"additional","affiliation":[{"name":"Institute of Biomedical Engineering Chinese Academy of Medical Sciences and Peking Union Medical College Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin\u2010long","family":"Ma","sequence":"additional","affiliation":[{"name":"Digital Orthopaedic Laboratories of the Orthopaedic Institute Tianjin Hospital Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,4,26]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0020-1383(02)00324-8"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00198-013-2600-6"},{"key":"e_1_2_5_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/ijcp.12527"},{"key":"e_1_2_5_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiomech.2008.09.007"},{"key":"e_1_2_5_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-200206000-00012"},{"key":"e_1_2_5_7_1","first-page":"3095","article-title":"Current status of research on femoral head necrosis after internal fixation of femoral neck fracture","volume":"21","author":"Sun YQ","year":"2017","journal-title":"Chin J Tissue Eng Res"},{"key":"e_1_2_5_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.injury.2014.11.017"},{"key":"e_1_2_5_9_1","doi-asserted-by":"publisher","DOI":"10.5435\/JAAOS-D-15-00661"},{"key":"e_1_2_5_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00776-015-0745-1"},{"key":"e_1_2_5_11_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.ta.0000188130.99626.8c"},{"key":"e_1_2_5_12_1","doi-asserted-by":"publisher","DOI":"10.3109\/17453670902967281"},{"key":"e_1_2_5_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ocl.2004.02.008"},{"key":"e_1_2_5_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcm.2012.05.010"},{"key":"e_1_2_5_15_1","first-page":"3946","article-title":"Angle estimation of human femora in a three\u2010dimensional virtual environment","author":"Casciaro ME","year":"2010","journal-title":"Conference of the IEEE Engineering in Medicine and Biology. 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