{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T14:30:42Z","timestamp":1788359442106,"version":"build-2803163510"},"reference-count":26,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2019,10,4]],"date-time":"2019-10-04T00:00:00Z","timestamp":1570147200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2020,4]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Regular monitoring of autogenous arteriovenous fistulas (AVFs) for hemodialysis patients has importance. Hence, 4D flow MRI may be an alternative for assessing the hemodynamics of AVFs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To compare the hemodynamics of AVFs using Doppler ultrasound (DUS) and 4D\u2010MRI in renal dialysis patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Type<\/jats:title><jats:p>Case\u2013control study from October 2017 to April 2018.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>Fifty patients (age [range] = 59.52 [39\u201371] years) with AVFs were included.<\/jats:p><\/jats:sec><jats:sec><jats:title>Field Strength\/Sequence<\/jats:title><jats:p>Black\u2010blood MRI and 4D flow MRI at 3.0T and AVF ultrasonography were also performed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Assessment<\/jats:title><jats:p>The hemodynamics acquired from 4D flow MRI and ultrasonography by two radiologists were compared. The AVF anatomy was described through an examination of the black\u2010blood MRI.<\/jats:p><\/jats:sec><jats:sec><jats:title>Statistical Tests<\/jats:title><jats:p>The consistency of AVF anatomy and hemodynamics and the consistency of the hemodynamics of AVFs from 4D flow MRI and ultrasound were analyzed by paired <jats:italic>t<\/jats:italic>\u2010tests. The morphological parameters of AVFs acquired from black\u2010blood MRI were used for a Pearson correlation analysis with the hemodynamic parameters obtained from 4D flow MRI data.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The consistency of the morphological and hemodynamic parameters measured from MRI by the two radiologists was good (all <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.01). The velocities and flow volumes from the 4D flow MRI and vascular ultrasound of AVFs were in moderate agreement (all <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05, <jats:italic>r<\/jats:italic> = 0.292\u20130.569), except for the peak flow velocity at the anastomosis (<jats:italic>P<\/jats:italic> = 0.366, <jats:italic>r<\/jats:italic> = \u20130.078). The flow volume and WSS near the anastomotic site were closely related to the morphology of the AVFs (all <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). The hemodynamics of the complications group were significantly different from those of patients without any complications (normal patients group) (all <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.01).<\/jats:p><\/jats:sec><jats:sec><jats:title>Data Conclusion<\/jats:title><jats:p>Compared with ultrasonography, 4D flow MRI is a promising technique to noninvasively estimate the AVF hemodynamics of renal dialysis patients.<\/jats:p><jats:p><jats:bold>Level of Evidence:<\/jats:bold> 3<\/jats:p><jats:p><jats:bold>Technical Efficacy:<\/jats:bold> Stage 2<\/jats:p><jats:p>J. Magn. Reson. Imaging 2020;51:1272\u20131280.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.26936","type":"journal-article","created":{"date-parts":[[2019,10,4]],"date-time":"2019-10-04T12:25:07Z","timestamp":1570191907000},"page":"1272-1280","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Assessment of the Hemodynamics of Autogenous Arteriovenous Fistulas With 4D Phase Contrast\u2010Based Flow Quantification MRI in Dialysis Patients"],"prefix":"10.1002","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1902-3646","authenticated-orcid":false,"given":"Li","family":"Suqin","sequence":"first","affiliation":[{"name":"Department of Radiology Renji Hospital, School of Medicine, Shanghai Jiaotong University  China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhu","family":"Mingli","sequence":"additional","affiliation":[{"name":"Department of Nephrology Renji Hospital, School of Medicine, Shanghai Jiaotong University  China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suo","family":"Shiteng","sequence":"additional","affiliation":[{"name":"Department of Radiology Renji Hospital, School of Medicine, Shanghai Jiaotong University  China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5890-967X","authenticated-orcid":false,"given":"Mi","family":"Honglan","sequence":"additional","affiliation":[{"name":"Department of Radiology Renji Hospital, School of Medicine, Shanghai Jiaotong University  China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhang","family":"Lan","sequence":"additional","affiliation":[{"name":"Department of Vascular Surgery Renji Hospital, School of Medicine, Shanghai Jiaotong University  China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ni","family":"Qihong","sequence":"additional","affiliation":[{"name":"Department of Vascular Surgery Renji Hospital, School of 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