{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T07:57:15Z","timestamp":1791187035207,"version":"4.1.0"},"reference-count":18,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2007,9,25]],"date-time":"2007-09-25T00:00:00Z","timestamp":1190678400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2007,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To develop fast and robust procedures for a clinical evaluation of regional myocardial contractile function.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Parametric analysis of main motion was applied to steady\u2010state free\u2010precession (SSFP) cine MR images. From the time\u2013signal intensity curve associated with each pixel, parametric maps of mean high and low amplitudes and transition times between muscle and cavity were automatically computed. Then, regional time to first contraction, <jats:italic>T<\/jats:italic><jats:sub><jats:italic>fc<\/jats:italic><\/jats:sub>, mean contraction time, <jats:italic>T<\/jats:italic><jats:sub><jats:italic>mc<\/jats:italic><\/jats:sub> and radial component of the endocardial velocity, <jats:italic>V<\/jats:italic><jats:sub><jats:italic>m<\/jats:italic><\/jats:sub> were estimated from these parametric maps and a user\u2010defined endocardial end\u2010diastolic contour. The method was applied to short\u2010axis slices in 22 subjects: eight controls, 13 myocardial infarctions (MIs), and one left bundle branch block (LBBB).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Typical patterns of normality and pathology on parametric maps are indicated. For controls, the mean values \u00b1 standard deviations (SDs) of <jats:italic>T<\/jats:italic><jats:sub><jats:italic>fc<\/jats:italic><\/jats:sub><jats:italic>, T<\/jats:italic><jats:sub><jats:italic>mc<\/jats:italic><\/jats:sub>, and <jats:italic>V<\/jats:italic><jats:sub><jats:italic>m<\/jats:italic><\/jats:sub> were: 70 \u00b1 25 msec, 318 \u00b1 43 msec, and 4.6 \u00b1 1.8 cm second<jats:sup>\u20131<\/jats:sup>. An apex to base gradient of <jats:italic>T<\/jats:italic><jats:sub><jats:italic>fc<\/jats:italic><\/jats:sub>, a significant septal delay in <jats:italic>T<\/jats:italic><jats:sub><jats:italic>fc<\/jats:italic><\/jats:sub> and <jats:italic>T<\/jats:italic><jats:sub><jats:italic>mc<\/jats:italic><\/jats:sub>, and a decrease of <jats:italic>V<\/jats:italic><jats:sub><jats:italic>m<\/jats:italic><\/jats:sub> between the lateral and septal walls were observed. For MI, <jats:italic>T<\/jats:italic><jats:sub><jats:italic>fc<\/jats:italic><\/jats:sub> and <jats:italic>T<\/jats:italic><jats:sub><jats:italic>mc<\/jats:italic><\/jats:sub> increased and <jats:italic>V<\/jats:italic><jats:sub><jats:italic>m<\/jats:italic><\/jats:sub> decreased significantly in pathological segments. For LBBB, large delays were estimated in the septal wall.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The proposed method is promising for clinical assessment of regional wall contraction. J. Magn. Reson. Imaging 2007;26:1127\u20131132. \u00a9 2007 Wiley\u2010Liss, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.21103","type":"journal-article","created":{"date-parts":[[2007,9,25]],"date-time":"2007-09-25T16:48:59Z","timestamp":1190738939000},"page":"1127-1132","source":"Crossref","is-referenced-by-count":19,"title":["Evaluation of regional myocardial function using automated wall motion analysis of cine MR images: Contribution of parametric images, contraction times, and radial velocities"],"prefix":"10.1002","volume":"26","author":[{"given":"Nadjia","family":"Kachenoura","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alban","family":"Redheuil","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Balvay","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cinta","family":"Ruiz\u2010Dominguez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alain","family":"Herment","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elie","family":"Mousseaux","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fr\u00e9d\u00e9rique","family":"Frouin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2007,9,25]]},"reference":[{"key":"e_1_2_5_2_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.59.3.421"},{"key":"e_1_2_5_3_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.63.4.739"},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.97.8.765"},{"key":"e_1_2_5_5_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.68.3.550"},{"key":"e_1_2_5_6_2","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.1910340206"},{"key":"e_1_2_5_7_2","doi-asserted-by":"publisher","DOI":"10.1081\/JCMR-120038083"},{"key":"e_1_2_5_8_2","first-page":"302","article-title":"Inter observer variability in the evaluation of left ventricular segmental function can be reduced by combining visual assessment of MRI cine sequences and analysis of corresponding parametric images of myocardial contraction","volume":"7","author":"Redheuil A","year":"2005","journal-title":"J Cardiovasc Magn Reson"},{"key":"e_1_2_5_9_2","doi-asserted-by":"publisher","DOI":"10.1088\/0031-9155\/50\/14\/006"},{"key":"e_1_2_5_10_2","doi-asserted-by":"publisher","DOI":"10.1161\/hc0402.102975"},{"key":"e_1_2_5_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9149(98)00061-7"},{"key":"e_1_2_5_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/0735-1097(94)00421-L"},{"key":"e_1_2_5_13_2","doi-asserted-by":"publisher","DOI":"10.1053\/euhj.1998.1335"},{"key":"e_1_2_5_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9149(99)00636-0"},{"key":"e_1_2_5_15_2","doi-asserted-by":"publisher","DOI":"10.1081\/JCMR-120038692"},{"key":"e_1_2_5_16_2","doi-asserted-by":"publisher","DOI":"10.1152\/ajpheart.01047.2003"},{"key":"e_1_2_5_17_2","doi-asserted-by":"publisher","DOI":"10.1136\/hrt.56.3.226"},{"key":"e_1_2_5_18_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9149(00)00982-6"},{"key":"e_1_2_5_19_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.81.1.297"}],"container-title":["Journal of Magnetic Resonance Imaging"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fjmri.21103","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/jmri.21103","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,12]],"date-time":"2023-10-12T14:53:04Z","timestamp":1697122384000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/jmri.21103"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2007,9,25]]},"references-count":18,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2007,10]]}},"alternative-id":["10.1002\/jmri.21103"],"URL":"https:\/\/doi.org\/10.1002\/jmri.21103","archive":["Portico"],"relation":{},"ISSN":["1053-1807","1522-2586"],"issn-type":[{"value":"1053-1807","type":"print"},{"value":"1522-2586","type":"electronic"}],"subject":[],"published":{"date-parts":[[2007,9,25]]}}}