{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T23:13:47Z","timestamp":1777677227058,"version":"3.51.4"},"reference-count":28,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2026,1,11]],"date-time":"2026-01-11T00:00:00Z","timestamp":1768089600000},"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>To examine the effects of superior lateralisation of the centre of rotation and femoral offset shortening on the gluteus medius in developmental dysplasia of the hip (DDH), and the impact of biomechanical restoration by total hip arthroplasty (THA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Horizontal (femoral, acetabular, and combined offset) and vertical (centre height, leg length) radiographic parameters, as well as gluteus medius radiodensity measured by computed tomography, were evaluated preoperatively and 1\u2009year postoperatively in 100 hips (87 patients). Patients were grouped by whether radiodensity improved postoperatively. Correlations between parameter changes and radiodensity were analysed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      In advanced osteoarthritis, radiodensity deterioration correlated with femoral offset shortening (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.0011) and increased centre height (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009&lt;\u20090.0001). Postoperative radiodensity improvement correlated with increased combined offset (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.0380) and leg lengthening (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.0002). Multivariate analysis showed that the non-improvement group had a significantly smaller combined offset (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009=\u20090.0399).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Gluteus medius fatty infiltration improved mainly with leg lengthening, but insufficient combined offset limited this recovery.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11207000251393919","type":"journal-article","created":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T05:42:07Z","timestamp":1768196527000},"page":"230-238","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["The gluteus medius is affected by changes in joint mechanics due to osteoarthritis with acetabular dysplasia and corresponding total hip arthroplasty"],"prefix":"10.1177","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0886-7763","authenticated-orcid":false,"given":"Yusuke","family":"Takaoka","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Kyoto University Hospital, Kyoto, Japan"},{"name":"Department of Orthopaedic Surgery, Tenri Hospital, Nara, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshiyuki","family":"Kawai","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Kyoto University Hospital, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yaichiro","family":"Okuzu","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Kyoto University Hospital, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomohito","family":"Kobayashi","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Tenri Hospital, Nara, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takuya","family":"Tomizawa","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Tenri Hospital, Nara, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenji","family":"Seki","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Tenri Hospital, Nara, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuichi","family":"Matsuda","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Kyoto University Hospital, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2026,1,11]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-199607000-00004"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2007.10.008"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.15.00902"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0883-5403(96)80008-8"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.101B3.BJJ-2018-0965.R1"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199607000-00022"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9290(93)90011-3"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-017-2788-6"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2023.02.075"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiomech.2018.03.017"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.2000.89.1.104"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cmet.2017.04.015"},{"key":"e_1_3_2_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jor.2022.02.024"},{"key":"e_1_3_2_15_2","doi-asserted-by":"publisher","DOI":"10.1097\/CORR.0000000000000439"},{"key":"e_1_3_2_16_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jamda.2024.105396"},{"key":"e_1_3_2_17_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-013-1899-y"},{"key":"e_1_3_2_18_2","doi-asserted-by":"publisher","DOI":"10.1097\/CORR.0000000000002728"},{"key":"e_1_3_2_19_2","doi-asserted-by":"publisher","DOI":"10.5301\/HIP.2012.9283"},{"key":"e_1_3_2_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2022.05.029"},{"key":"e_1_3_2_21_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.87B9.15928"},{"key":"e_1_3_2_22_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.H.00756"},{"key":"e_1_3_2_23_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-198904000-00021"},{"key":"e_1_3_2_24_2","doi-asserted-by":"publisher","DOI":"10.2188\/jea.JE20210074"},{"key":"e_1_3_2_25_2","doi-asserted-by":"publisher","DOI":"10.5301\/HIP.2011.8582"},{"key":"e_1_3_2_26_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-014-3787-3"},{"key":"e_1_3_2_27_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2004.01.016"},{"key":"e_1_3_2_28_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2007.08.004"},{"key":"e_1_3_2_29_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-010-1554-7"}],"container-title":["HIP 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