{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T03:51:54Z","timestamp":1781581914727,"version":"3.54.5"},"reference-count":29,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T00:00:00Z","timestamp":1774310400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T00:00:00Z","timestamp":1774310400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Magnetic Resonance in Med"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Clinical liver diffusion\u2010weighted imaging (DWI) suffers from long measurement time and respiratory motion. In this study, we employ a navigator\u2010based slice tracking technique (NAV) to prospectively compensate for respiratory motion in multiband (MB) accelerated liver DWI.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A single gradient\u2010echo slice readout at the location of the diaphragm along the inferior\u2013superior direction was acquired as a navigator. Navigator acquisition and fat suppression were inserted before each transverse imaging slice of the readouts of a 2D spin\u2010echo EPI based DWI sequence, with 20 repeats including 32 training navigators (4 preparing scans) at the beginning of the measurement obtained in about 3\u2009min. For comparison, MB accelerated DWI without NAV during free breathing was also acquired. To evaluate the effect of NAV on image quality, coefficients of variation (CoV), signal to noise ratio (SNR), and sharpness were calculated. Six healthy volunteers and three patients with lesions were examined at 1.5\u2009T.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The motion caused by respiratory activity was effectively computed using the navigator signal. For measurement with NAV, averaged CoV was significantly lower when compared to without NAV (0.256\u2009\u00b1\u20090.086 vs. 0.262\u2009\u00b1\u20090.091,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). SNR and liver sharpness were also increased. The shapes of both kidney and spleen were continuous and smooth in the coronal view with NAV. Detailed structure in different organs could be found with NAV compared to without NAV in the cyst and tumor patients.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This study demonstrates the feasibility of a NAV technique to reduce respiratory motion in MB accelerated liver DWI.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/mrm.70354","type":"journal-article","created":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T08:16:32Z","timestamp":1774340192000},"page":"852-861","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Navigator\u2010Based Slice Tracking for Multiband Accelerated Liver\n                    <scp>DWI<\/scp>"],"prefix":"10.1002","volume":"96","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7244-8483","authenticated-orcid":false,"given":"Ke","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Diagnostic &amp; Interventional Radiology Heidelberg University Hospital  Heidelberg Germany"},{"name":"Translational Lung Research Center (TLRC) German Center for Lung Research (DZL)  Heidelberg Germany"},{"name":"Department of Diagnostic &amp; Interventional Radiology With Nuclear Medicine Thoraxklinik at Heidelberg University Hospital  Heidelberg Germany"},{"name":"Division of Radiology German Cancer Research Center  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simon M. F.","family":"Triphan","sequence":"additional","affiliation":[{"name":"Department of Diagnostic &amp; Interventional Radiology Heidelberg University Hospital  Heidelberg Germany"},{"name":"Translational Lung Research Center (TLRC) German Center for Lung Research (DZL)  Heidelberg Germany"},{"name":"Department of Diagnostic &amp; Interventional Radiology With Nuclear Medicine Thoraxklinik at Heidelberg University Hospital  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Congcong","family":"Fu","sequence":"additional","affiliation":[{"name":"Department of Diagnostic &amp; Interventional Radiology Heidelberg University Hospital  Heidelberg Germany"},{"name":"Translational Lung Research Center (TLRC) German Center for Lung Research (DZL)  Heidelberg Germany"},{"name":"Department of Diagnostic &amp; Interventional Radiology With Nuclear Medicine Thoraxklinik at Heidelberg University Hospital  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9510-4520","authenticated-orcid":false,"given":"Na","family":"Zhang","sequence":"additional","affiliation":[{"name":"Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institute of Advanced Technology Chinese Academy of Sciences  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian H.","family":"Ziener","sequence":"additional","affiliation":[{"name":"Division of Radiology German Cancer Research Center  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark E.","family":"Ladd","sequence":"additional","affiliation":[{"name":"Division of Medical Physics in Radiology German Cancer Research Center  Heidelberg Germany"},{"name":"Faculty of Physics and Astronomy Heidelberg University  Heidelberg Germany"},{"name":"Faculty of Medicine Heidelberg University  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heinz\u2010Peter","family":"Schlemmer","sequence":"additional","affiliation":[{"name":"Division of Radiology German Cancer Research Center  Heidelberg 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