{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,4]],"date-time":"2025-06-04T13:30:27Z","timestamp":1749043827115,"version":"3.37.3"},"reference-count":40,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2016,3,12]],"date-time":"2016-03-12T00:00:00Z","timestamp":1457740800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003958","name":"Dutch Technology Foundation STW","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100003958","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2016,10]]},"abstract":"<jats:sec><jats:title>Purpose<\/jats:title><jats:p>To compare cine and tagged magnetic resonance imaging (MRI) for left ventricular dyssynchrony assessment in left bundle branch block (LBBB), using the time\u2010to\u2010peak contraction timing, and a novel approach based on cross\u2010correlation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>We evaluated a canine model dataset (<jats:italic>n<\/jats:italic>\u2009=\u200910) before (pre\u2010LBBB) and after induction of isolated LBBB (post\u2010LBBB). Multislice short\u2010axis tagged and cine MRI images were acquired using a 1.5 T scanner. We computed contraction time maps by cross\u2010correlation, based on the timing of radial wall motion and of circumferential strain. Finally, we estimated dyssynchrony as the standard deviation of the contraction time over the different regions of the myocardium.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Induction of LBBB resulted in a significant increase in dyssynchrony (cine: 13.0\u2009\u00b1\u20093.9 msec for pre\u2010LBBB, and 26.4\u2009\u00b1\u20095.0 msec for post\u2010LBBB, <jats:italic>P<\/jats:italic>\u2009=\u20090.005; tagged: 17.1\u2009\u00b1\u20095.0 msec at for pre\u2010LBBB, and 27.9\u2009\u00b1\u20099.8 msec for post\u2010LBBB, <jats:italic>P<\/jats:italic>\u2009=\u20090.007). Dyssynchrony assessed by cine and tagged MRI were in agreement (<jats:italic>r<\/jats:italic>\u2009=\u20090.73, <jats:italic>P<\/jats:italic>\u2009=\u20090.0003); differences were in the order of time difference between successive frames of 20 msec (bias: \u20132.9 msec; limit of agreement: 10.1 msec). Contraction time maps were derived; agreement was found in the contraction patterns derived from cine and tagged MRI (mean difference in contraction time per segment: 3.6\u2009\u00b1\u200913.7 msec).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This study shows that the proposed method is able to quantify dyssynchrony after induced LBBB in an animal model. Cine\u2010assessed dyssynchrony agreed with tagged\u2010derived dyssynchrony, in terms of magnitude and spatial direction.  J. MAGN. RESON. IMAGING 2016;44:956\u2013963.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.25225","type":"journal-article","created":{"date-parts":[[2016,3,14]],"date-time":"2016-03-14T05:35:09Z","timestamp":1457933709000},"page":"956-963","source":"Crossref","is-referenced-by-count":3,"title":["Assessment of left ventricular mechanical dyssynchrony in left bundle branch block canine model: Comparison between cine and tagged MRI"],"prefix":"10.1002","volume":"44","author":[{"given":"Salvatore","family":"Saporito","sequence":"first","affiliation":[{"name":"Department of Electrical Engineering Eindhoven University of Technology Eindhoven the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hans C.","family":"van Assen","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering Eindhoven University of Technology Eindhoven the 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