{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,26]],"date-time":"2026-05-26T06:02:04Z","timestamp":1779775324615,"version":"3.53.1"},"reference-count":53,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T00:00:00Z","timestamp":1778716800000},"content-version":"vor","delay-in-days":13,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T00:00:00Z","timestamp":1777593600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["JP24K23057"],"award-info":[{"award-number":["JP24K23057"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008732","name":"Uehara Memorial Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008732","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal Orthopaedic Research"],"published-print":{"date-parts":[[2026,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    To quantify the three\u2010dimensional shift of the femoral head after periacetabular osteotomy and to identify the relevant morphological factors. This retrospective study included 26 patients (30 hips) who underwent periacetabular osteotomy at a single institution. Pre\u2010 and postoperative supine and standing anteroposterior two\u2010dimensional images and pelvic computed tomography scans were obtained. Using three\u2010dimensional\u2010to\u2010two\u2010dimensional model\u2010image registration techniques, we quantified acetabular and femoral head center shifts in both the supine and standing positions along three axes based on the anterior pelvic plane. Correlations between femoral head shift and pre\u2010 and postoperative hip morphological parameters on standardized supine radiographs were examined. In the supine position, the femoral head center shifted significantly (5.0\u2009\u00b1\u20092.3\u2009mm), with medial (\u22121.5\u2009\u00b1\u20093.8\u2009mm) and posterior (\u22121.8\u2009\u00b1\u20093.5\u2009mm) displacement. Similarly, in standing, the femoral head center shifted significantly (4.8\u2009\u00b1\u20092.4\u2009mm), with medial (\u22121.5\u2009\u00b1\u20093.8\u2009mm) and posterior (\u22121.4\u2009\u00b1\u20093.6\u2009mm) displacement. Lower preoperative anterior wall index was correlated with greater medial shift (\n                    <jats:italic>r<\/jats:italic>\n                    \u2009=\u20090.37,\n                    <jats:italic>p<\/jats:italic>\n                    \u2009=\u20090.04) and less posterior shift (\n                    <jats:italic>r<\/jats:italic>\n                    \u2009=\u2009\u22120.40,\n                    <jats:italic>p<\/jats:italic>\n                    \u2009=\u20090.03). Periacetabular osteotomy was associated with measurable three\u2010dimensional reorientation of the hip center in both supine and standing positions. Lower preoperative anterior wall index was correlated with greater medial shift and less posterior shift, although the effect sizes were modest. These findings suggest that hip center shift after periacetabular osteotomy is a secondary effect of multiplanar acetabular reorientation and that three\u2010dimensional assessment may provide information beyond conventional two\u2010dimensional evaluation, particularly for anteroposterior changes.\n                  <\/jats:p>","DOI":"10.1002\/jor.70223","type":"journal-article","created":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T10:45:32Z","timestamp":1778755532000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Three\u2010Dimensional Evaluation of Hip Center Shift After Periacetabular Osteotomy for Hip Dysplasia"],"prefix":"10.1002","volume":"44","author":[{"given":"Kenji","family":"Kitamura","sequence":"first","affiliation":[{"name":"Department of Mechanical &amp; Aerospace Engineering University of Florida Gainesville Florida USA"},{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masanori","family":"Fujii","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Faculty of Medicine Saga University Saga Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6302-2539","authenticated-orcid":false,"given":"Satoshi","family":"Hamai","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daisuke","family":"Hara","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuki","family":"Nakao","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Itaru","family":"Kawashima","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics Surgery and Sports Medicine University of Florida Gainesville Florida USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9229-6205","authenticated-orcid":false,"given":"Shinya","family":"Kawahara","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7470-8202","authenticated-orcid":false,"given":"Goro","family":"Motomura","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ryosuke","family":"Yamaguchi","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takeshi","family":"Utsunomiya","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-5369-1699","authenticated-orcid":false,"given":"Soichiro","family":"Yoshino","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yasuharu","family":"Nakashima","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medical Sciences Kyushu University Fukuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Scott A.","family":"Banks","sequence":"additional","affiliation":[{"name":"Department of Mechanical &amp; Aerospace Engineering University of Florida Gainesville Florida USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,5,14]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-016-5150-3"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-010-1746-1"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/CORR.0000000000001572"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-198807000-00006"},{"issue":"7","key":"e_1_2_8_6_1","first-page":"743","article-title":"Clinical Results of Periacetabular Osteotomy With Structural Bone Allograft for the Treatment of Severe Hip Dysplasia","volume":"105","author":"Fujii M.","year":"2023","journal-title":"Bone & Joint Journal"},{"issue":"4","key":"e_1_2_8_7_1","first-page":"336","article-title":"Unveiling the Learning Curve of Periacetabular Osteotomy","volume":"106","author":"Haertl\u00e9 M.","year":"2024","journal-title":"Bone & Joint Journal"},{"issue":"5","key":"e_1_2_8_8_1","first-page":"17","article-title":"The Incidence of Subsequent Hip Arthroscopy After Rectus\u2010sparing Periacetabular Osteotomy","volume":"106","author":"Anderson L. 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of Orthopaedic 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