{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T16:45:31Z","timestamp":1791996331057,"version":"4.4.0"},"reference-count":27,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T00:00:00Z","timestamp":1782172800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T00:00:00Z","timestamp":1782172800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100015640","name":"Tongji Hospital","doi-asserted-by":"publisher","award":["2023D23"],"award-info":[{"award-number":["2023D23"]}],"id":[{"id":"10.13039\/501100015640","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2026,11]]},"abstract":"ABSTRACT<\/jats:title>\n \n Background<\/jats:title>\n Respiratory motion artifacts impair diagnostic accuracy in gadoxetic acid disodium (Gd\u2010EOB\u2010DTPA)\u2010enhanced liver MRI. Conventional verbal pre\u2010scan breathing training often yields inconsistent patient cooperation and image quality, creating an urgent clinical need for optimized training methods.<\/jats:p>\n <\/jats:sec>\n \n Purpose<\/jats:title>\n To evaluate the impact of a visualized respiratory training method integrated into clinical workflow on patient cooperation, image quality, and examination efficiency for Gd\u2010EOB\u2010DTPA\u2010enhanced liver MRI.<\/jats:p>\n <\/jats:sec>\n \n Study Type<\/jats:title>\n Prospective, single\u2010center, randomized controlled trial.<\/jats:p>\n <\/jats:sec>\n \n Population<\/jats:title>\n One hundred and eighty\u2010four patients (135 males; mean age 53.5\u2009\u00b1\u200913.3\u2009years) scheduled for first\u2010time Gd\u2010EOB\u2010DTPA\u2010enhanced liver MRI.<\/jats:p>\n <\/jats:sec>\n \n Field Strength\/Sequence<\/jats:title>\n 3\u2009T; Dynamic contrast\u2010enhanced imaging was performed with a 3D fast spoiled gradient\u2010echo sequence, covering pre\u2010contrast, arterial, portal venous, transitional, and hepatobiliary phases.<\/jats:p>\n <\/jats:sec>\n \n Assessment<\/jats:title>\n Primary outcome was patient cooperation rate assessed by blinded MRI technologists. Secondary outcomes included motion artifact scores (rated by three blinded radiologists), Signal\u2010to\u2010Noise Ratio (SNR), Contrast\u2010to\u2010Noise Ratio (CNR), transient severe motion (TSM) incidence, and examination duration.<\/jats:p>\n <\/jats:sec>\n \n Statistical Tests<\/jats:title>\n \n Student's\n t<\/jats:italic>\n \u2010test, Mann\u2013Whitney\n U<\/jats:italic>\n test, Chi\u2010square test, and Gamma correlation; two\u2010tailed\n p<\/jats:italic>\n \u2009<\u20090.05 indicated significance.\n <\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n The experimental group (85 patients) had a significantly higher full cooperation rate (56.5% [48\/85] vs. 27.3% [27\/99], OR\u2009=\u20093.46, 95% CI: 1.87, 6.40,\n \u03b3<\/jats:italic>\n \u2009=\u20090.406), significantly lower motion artifact scores in arterial\/portal venous\/transitional phases, and significantly higher arterial and transitional phase SNR\/CNR. The experimental group also showed significantly shorter preparation time (14.40\u2009\u00b1\u20092.36 vs. 16.16\u2009\u00b1\u20092.20\u2009min; mean difference: \u22121.76\u2009min; 95% CI: \u22122.42, \u22121.101). Scanning time did not differ significantly between groups (24.60\u2009\u00b1\u20091.60 vs. 24.89\u2009\u00b1\u20092.21\u2009min;\n p<\/jats:italic>\n \u2009=\u20090.329). TSM incidence did not differ significantly between groups (1.18% vs. 5.05%,\n p<\/jats:italic>\n \u2009=\u20090.219).\n <\/jats:p>\n <\/jats:sec>\n \n Data Conclusion<\/jats:title>\n Visualized respiratory training significantly improves patient cooperation, image quality, and workflow efficiency in Gd\u2010EOB\u2010DTPA\u2010enhanced liver MRI, with no additional resource requirements supporting its routine clinical adoption.<\/jats:p>\n <\/jats:sec>\n \n Evidence Level<\/jats:title>\n 2.<\/jats:p>\n <\/jats:sec>\n \n Technical Efficacy<\/jats:title>\n Stage 1.<\/jats:p>\n <\/jats:sec>","DOI":"10.1002\/jmri.70423","type":"journal-article","created":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T10:16:15Z","timestamp":1782209775000},"page":"1384-1395","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Effect of Visualized Respiratory Training on Patient Cooperation and Image Quality in Gadoxetic Acid Disodium\u2010Enhanced Liver\n MRI<\/scp>\n : A Randomized Controlled Trial"],"prefix":"10.1002","volume":"64","author":[{"given":"Li","family":"Mei","sequence":"first","affiliation":[{"name":"Department of Radiology, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China"},{"name":"Department of Nursing, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Luo","sequence":"additional","affiliation":[{"name":"Department of Radiology, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China"},{"name":"Department of Nursing, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bingyan","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Radiology, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junfeng","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Radiology, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chao","family":"Huang","sequence":"additional","affiliation":[{"name":"Department of Radiology, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9009-0983","authenticated-orcid":false,"given":"Xuemei","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Radiology, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan 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