{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,26]],"date-time":"2026-07-26T21:00:08Z","timestamp":1785099608559,"version":"3.55.0"},"reference-count":14,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T00:00:00Z","timestamp":1768780800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T00:00:00Z","timestamp":1768780800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Nemoto Kyorin-do","award":["Nemoto Kyorin-do (JP)"],"award-info":[{"award-number":["Nemoto Kyorin-do (JP)"]}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Radiol Phys Technol"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>\n                      The purpose of this study was to validate the accuracy of a method for determining the iodine contrast dose using effective diameter (D\n                      <jats:sub>eff<\/jats:sub>\n                      ) when performing dynamic computed tomography (CT) scans of the upper abdomen in patients with unknown body weight (BW).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      D\n                      <jats:sub>eff<\/jats:sub>\n                      was measured at the heart, at the right diaphragm upper edge, and at the right pulmonary rib diaphragm levels in the localizer radiograph and axial images. Correlation coefficients between D\n                      <jats:sub>eff<\/jats:sub>\n                      and BW were determined for each cross section.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      D\n                      <jats:sub>eff_axial<\/jats:sub>\n                      and BW showed the highest correlation at the right diaphragm upper edge level in men (r\n                      <jats:sub>S<\/jats:sub>\n                      = 0.862) and at the right pulmonary rib diaphragm level in women (r\n                      <jats:sub>S<\/jats:sub>\n                      = 0.890).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      The BW estimated from D\n                      <jats:sub>eff<\/jats:sub>\n                      showed a strong correlation with measured BW and may serve as a practical alternative in cases where BW is unknown.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s12194-025-00995-y","type":"journal-article","created":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T04:27:49Z","timestamp":1768796869000},"page":"399-408","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Contrast dose determination using effective diameter in patients of unknown weight for dynamic computed tomography of the upper abdomen: a feasibility study"],"prefix":"10.1007","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-8805-3955","authenticated-orcid":false,"given":"Masaaki","family":"Fukunaga","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4275-1422","authenticated-orcid":false,"given":"Shota","family":"Ichikawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koki","family":"Ichijiri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Osamu","family":"Ito","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takafumi","family":"Moriya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuki","family":"Yamaguchi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,1,19]]},"reference":[{"key":"995_CR1","doi-asserted-by":"publisher","first-page":"353","DOI":"10.1148\/radiology.195.2.7724752","volume":"195","author":"JP Heiken","year":"1995","unstructured":"Heiken JP, Brink JA, McClennan BL, et al. 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The Institutional Review Board (IRB) of Kurashiki Central Hospital approved this study (No.3727).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"For this type of study, the requirement for individual informed consent was waived by the Institutional Review Board of Kurashiki Central Hospital.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}