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Diffusion-weighted echo planar imaging in patients with recent myocardial infarction.

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Title: Diffusion-weighted echo planar imaging in patients with recent myocardial infarction.
Authors: Deux JF (AUTHOR), Maatouk M (AUTHOR), Vignaud A (AUTHOR), Luciani A (AUTHOR), Lenczner G (AUTHOR), Mayer J (AUTHOR), Lim P (AUTHOR), Dubois-Randé JL (AUTHOR), Kobeiter H (AUTHOR), Rahmouni A (AUTHOR), Deux, Jean-François1 (AUTHOR), Maatouk, Mezri (AUTHOR), Vignaud, Alexandre (AUTHOR), Luciani, Alain (AUTHOR), Lenczner, Grégory (AUTHOR), Mayer, Julie (AUTHOR), Lim, Pascal (AUTHOR), Dubois-Randé, Jean-Luc (AUTHOR), Kobeiter, Hicham (AUTHOR), Rahmouni, Alain (AUTHOR)
Source: European Radiology. Jan2011, Vol. 21 Issue 1, p46-53. 8p.
Abstract: Objective: To evaluate a diffusion-weighted (DW) black blood MR sequence for the detection of myocardium signal abnormalities in patients with recent myocardial infarction (MI).Methods: A DW black blood EPI sequence was acquired at 1.5 T in 12 patients with recent MI. One slice per patient was acquired with b=0 and b=50 s/mm2. A standard short tau inversion recovery (STIR) T2-weighted sequence was acquired at the same level. Viability was assessed with delayed-enhancement sequences. Images were analyzed qualitatively and quantitatively. A non parametric Wilcoxon test was used for statistical analysis, with a significance level of P<.05.Results: The mean quality of blood suppression was higher on DW EPI images than on STIR T2-weighted images (3.9±0.3 and 3.0±0.7, respectively; P=0.01). Myocardial high signal areas were detected in respectively 100% (12/12) and 67% (8/12) of the patients on DW EPI and STIR T2-weighted images. The four patients (33%) with false-negative STIR T2 findings all had high signal areas on DW EPI images corresponding to the location of the MI on the delayed-enhanced images.Conclusion: DW EPI sequences are a feasible alternative to standard STIR T2-weighted sequences for detecting myocardium high signal areas in patients with recent MI. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Diffusion-weighted echo planar imaging in patients with recent myocardial infarction.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Deux+JF%22&quot;&gt;Deux JF&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Maatouk+M%22&quot;&gt;Maatouk M&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Vignaud+A%22&quot;&gt;Vignaud A&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Luciani+A%22&quot;&gt;Luciani A&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Lenczner+G%22&quot;&gt;Lenczner G&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Mayer+J%22&quot;&gt;Mayer J&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Lim+P%22&quot;&gt;Lim P&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Dubois-Rand&#233;+JL%22&quot;&gt;Dubois-Rand&#233; JL&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Kobeiter+H%22&quot;&gt;Kobeiter H&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Rahmouni+A%22&quot;&gt;Rahmouni A&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Deux%2C+Jean-Fran&#231;ois%22&quot;&gt;Deux, Jean-Fran&#231;ois&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Maatouk%2C+Mezri%22&quot;&gt;Maatouk, Mezri&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Vignaud%2C+Alexandre%22&quot;&gt;Vignaud, Alexandre&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Luciani%2C+Alain%22&quot;&gt;Luciani, Alain&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Lenczner%2C+Gr&#233;gory%22&quot;&gt;Lenczner, Gr&#233;gory&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Mayer%2C+Julie%22&quot;&gt;Mayer, Julie&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Lim%2C+Pascal%22&quot;&gt;Lim, Pascal&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Dubois-Rand&#233;%2C+Jean-Luc%22&quot;&gt;Dubois-Rand&#233;, Jean-Luc&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Kobeiter%2C+Hicham%22&quot;&gt;Kobeiter, Hicham&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Rahmouni%2C+Alain%22&quot;&gt;Rahmouni, Alain&lt;/searchLink&gt; (AUTHOR)
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22European+Radiology%22&quot;&gt;European Radiology&lt;/searchLink&gt;. Jan2011, Vol. 21 Issue 1, p46-53. 8p.
– Name: Abstract
  Label: Abstract
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  Data: &lt;bold&gt;Objective: &lt;/bold&gt;To evaluate a diffusion-weighted (DW) black blood MR sequence for the detection of myocardium signal abnormalities in patients with recent myocardial infarction (MI).&lt;bold&gt;Methods: &lt;/bold&gt;A DW black blood EPI sequence was acquired at 1.5 T in 12 patients with recent MI. One slice per patient was acquired with b=0 and b=50 s/mm2. A standard short tau inversion recovery (STIR) T2-weighted sequence was acquired at the same level. Viability was assessed with delayed-enhancement sequences. Images were analyzed qualitatively and quantitatively. A non parametric Wilcoxon test was used for statistical analysis, with a significance level of P&lt;.05.&lt;bold&gt;Results: &lt;/bold&gt;The mean quality of blood suppression was higher on DW EPI images than on STIR T2-weighted images (3.9&#177;0.3 and 3.0&#177;0.7, respectively; P=0.01). Myocardial high signal areas were detected in respectively 100% (12/12) and 67% (8/12) of the patients on DW EPI and STIR T2-weighted images. The four patients (33%) with false-negative STIR T2 findings all had high signal areas on DW EPI images corresponding to the location of the MI on the delayed-enhanced images.&lt;bold&gt;Conclusion: &lt;/bold&gt;DW EPI sequences are a feasible alternative to standard STIR T2-weighted sequences for detecting myocardium high signal areas in patients with recent MI. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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