{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T19:32:51Z","timestamp":1740166371634,"version":"3.37.3"},"reference-count":27,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2022,12,9]],"date-time":"2022-12-09T00:00:00Z","timestamp":1670544000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2022,12,9]],"date-time":"2022-12-09T00:00:00Z","timestamp":1670544000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Application of Clinical Features of Capital City of Science and Technology Commission China BEIJING Special subject","award":["Z181100001718180"],"award-info":[{"award-number":["Z181100001718180"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81972128"],"award-info":[{"award-number":["81972128"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Eur J Med Res"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Background<\/jats:title>\n                <jats:p>Under the obvious acetabular superolateral bone defect of Crowe II\/III hips, this study aimed to investigate the difference in surgical technique of different hip center positions from the surgical data and clinical outcomes.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>From July 2007 to December 2016, 87 patients (106 Crowe II\/III hips) consecutively received total hip arthroplasty (THA). The minimum follow-up time was 5 years. The mean limb length discrepancy was 1.97\u2009\u00b1\u20091.81\u00a0cm. Twenty-four hips had surgical histories. The patients were divided into three groups according to the acetabular prosthesis positions, depending on the Crowe classification, respectively, group 1 (Crowe I), group 2 (Crowe II) and group 3 (Crowe III). The surgical data and clinical results were used to evaluate the outcome of different surgical techniques of different hip center positions, including surgical time, blood loss, blood transfusion, number of osteotomy hips, osteotomy length, the distribution of prothesis, postoperative inpatient days, Harris hip scores, Visual Analogue Scale (VAS), Back Pain Function Scale (BPFS) and complications.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The mean follow-up time was 8.93\u2009\u00b1\u20092.55\u00a0years. Nineteen hips performed intraoperative osteotomy. From group 1 to group 3, the mean osteotomy length were 0.53\u2009\u00b1\u20091.11\u00a0cm, 0.05\u2009\u00b1\u20090.22\u00a0cm, and 0.00\u2009\u00b1\u20090.00\u00a0cm, respectively (<jats:italic>p<\/jats:italic>\u2009=\u20090.083); the surgical time were 142.57\u2009\u00b1\u200957.94\u00a0min, 118.4\u2009\u00b1\u200941.22\u00a0min, and 120.00\u2009\u00b1\u200984.85\u00a0min, respectively (<jats:italic>p<\/jats:italic>\u2009=\u20090.324); the blood loss were 498.21\u2009\u00b1\u2009368.53\u00a0mL, 333.33\u2009\u00b1\u2009167.62\u00a0mL, and 350.00\u2009\u00b1\u2009212.13\u00a0mL, respectively (<jats:italic>p<\/jats:italic>\u2009=\u20090.255); the blood transfusion were 288.48\u2009\u00b1\u2009381.68\u00a0mL, 128.00\u2009\u00b1\u2009235.17\u00a0mL, and 385.00\u2009\u00b1\u2009219.20\u00a0mL, respectively (<jats:italic>p<\/jats:italic>\u2009=\u20090.199); the postoperative inpatient days were 7.95\u2009\u00b1\u20094.42 d, 7.47\u2009\u00b1\u20094.29 d, and 6.50\u2009\u00b1\u20090.71 d, respectively (<jats:italic>p<\/jats:italic>\u2009=\u20090.831). Among the groups, the distribution of acetabular prosthesis, acetabular liner, acetabular prosthesis sizes, femoral head sizes and femoral prothesis distal sizes were not significantly different (<jats:italic>p<\/jats:italic>\u2009&gt;\u20090.05). Only the distribution of femoral prosthesis was significantly different (<jats:italic>p<\/jats:italic>\u2009=\u20090.046); the Harris, VAS, BPFS, and the distribution of complications were not significantly different (<jats:italic>p<\/jats:italic>\u2009&gt;\u20090.05).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>We provided a framework to guide decision-making in Crowe II\/III hips for surgeons: the surgical technique of different hip center positions was stable and had good outcomes, but the acetabular prothesis position and femoral prothesis should be determined according to the intraoperative situation.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Level of evidence<\/jats:title>\n                <jats:p>Therapeutic Level II. See Instructions for Authors for a complete description of levels of evidence.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s40001-022-00936-0","type":"journal-article","created":{"date-parts":[[2022,12,9]],"date-time":"2022-12-09T06:04:17Z","timestamp":1670565857000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Mid-term outcomes after total hip arthroplasty in 106 Crowe II\/III hips: different hip center positions"],"prefix":"10.1186","volume":"27","author":[{"given":"Cheng-Qi","family":"Jia","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong-Fa","family":"Pan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu-Jie","family":"Wu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong-Gang","family":"You","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shi-Qi","family":"Cao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xue-Song","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,12,9]]},"reference":[{"key":"936_CR1","doi-asserted-by":"publisher","first-page":"874","DOI":"10.1016\/j.jor.2018.08.015","volume":"15","author":"FA Segreto","year":"2018","unstructured":"Segreto FA, Vasquez-Montes D, Brown AE, Bortz C, Horn SR, Diebo BG, et al. 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Informed consent was obtained from all individual participants included in the study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"Each author certifies that he or she has no commercial associations (e.g., consultancies, stock ownership, equity interest, patent\/licensing arrangements, etc.) that might pose a conflict of interest in connection with the submitted article. The authors declare that they have no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"282"}}