{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T14:38:19Z","timestamp":1777905499111,"version":"3.51.4"},"reference-count":36,"publisher":"SAGE Publications","issue":"9","license":[{"start":{"date-parts":[[2017,12,20]],"date-time":"2017-12-20T00:00:00Z","timestamp":1513728000000},"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":["Acta Radiol"],"published-print":{"date-parts":[[2018,9]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Patients with developmental dysplasia of the hip (DDH) may have decreased blood supply to the femoral heads. Finding a non-invasive method to evaluate whether the femoral heads in patients with DDH are ischemic is paramount for orthopedic surgeons.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To identify whether parameters reflecting perfusion and diffusion in intravoxel incoherent motion (IVIM) sequences can be used to assess ischemia in femoral heads in patients with DDH after closed reduction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>\n                      Twenty-eight patients with DDH who had undergone closed reduction were enrolled. IVIM data were acquired using a 3-T magnetic resonance scanner, regions of interest were placed on the epiphyses; ADC\n                      <jats:sub>slow<\/jats:sub>\n                      , ADC\n                      <jats:sub>fast<\/jats:sub>\n                      , f, and ADC\n                      <jats:sub>fast<\/jats:sub>\n                      \u00d7f were measured. A Mann\u2013Whitney U test was performed to compare ADC\n                      <jats:sub>slow<\/jats:sub>\n                      , ADC\n                      <jats:sub>fast<\/jats:sub>\n                      , f, and ADC\n                      <jats:sub>fast<\/jats:sub>\n                      \u00d7f between the lesion and control sides. Receiver operating characteristic curves were generated with respective cut-off values. The lesion sides were classified based on the International Hip Dysplasia Institute (IHDI) classification. ADC\n                      <jats:sub>slow<\/jats:sub>\n                      , ADC\n                      <jats:sub>fast<\/jats:sub>\n                      , f, and ADC\n                      <jats:sub>fast<\/jats:sub>\n                      \u00d7f were compared among the groups.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      ADC\n                      <jats:sub>slow<\/jats:sub>\n                      was higher and ADC\n                      <jats:sub>fast<\/jats:sub>\n                      , f, and ADC\n                      <jats:sub>fast<\/jats:sub>\n                      \u00d7f were lower on the lesion sides ( P\u2009=\u20090.000\u20130.002). The optimal cut-off value for ADC\n                      <jats:sub>fast<\/jats:sub>\n                      \u00d7f, ADC\n                      <jats:sub>fast<\/jats:sub>\n                      , ADC\n                      <jats:sub>slow<\/jats:sub>\n                      , and f were 0.030, 0.626, 0.000251, and 0.636, respectively. Higher IHDI classification scores on the lesion side were associated with lower ADC\n                      <jats:sub>fast<\/jats:sub>\n                      , f, and ADC\n                      <jats:sub>fast<\/jats:sub>\n                      \u00d7f, and higher ADC\n                      <jats:sub>slow<\/jats:sub>\n                      values.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>IVIM is a promising method to investigate the perfusion and diffusion of epiphyses of femoral heads.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0284185117748489","type":"journal-article","created":{"date-parts":[[2017,12,23]],"date-time":"2017-12-23T13:39:22Z","timestamp":1514036362000},"page":"1130-1138","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Increased diffusion and decreased perfusion in epiphyses of femoral heads detected via intravoxel incoherent motion after closed reduction in children with developmental dysplasia of the hip"],"prefix":"10.1177","volume":"59","author":[{"given":"Xiang Hong","family":"Meng","sequence":"first","affiliation":[{"name":"Department of Radiology, The Second Hospital of Tianjin Medical University, Tianjin, PR China"},{"name":"Department of Radiology, Tianjin Hospital, Tianjin, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xue Ning","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Radiology, The Second Hospital of Tianjin Medical University, Tianjin, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhi","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Radiology, Tianjin Hospital, Tianjin, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jian Ping","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Pediatrics, Tianjin Hospital, Tianjin, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhong Li","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Pediatrics, Tianjin Hospital, Tianjin, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuang","family":"Xia","sequence":"additional","affiliation":[{"name":"Department of Radiology, Tianjin First Center Hospital, Tianjin, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2017,12,20]]},"reference":[{"key":"bibr1-0284185117748489","doi-asserted-by":"publisher","DOI":"10.1111\/j.1440-1754.2012.02601.x"},{"key":"bibr2-0284185117748489","doi-asserted-by":"publisher","DOI":"10.1148\/rg.2016150159"},{"key":"bibr3-0284185117748489","first-page":"44","volume":"12","author":"Salter 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