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Myocardial edema contrast in acute myocardial infarction: a comparative study of the sensitivity of different CMR Methods
© Zhou et al; licensee BioMed Central Ltd. 2010
Published: 21 January 2010
A number of CMR imaging approaches have been proposed for detecting myocardial edema accompanying acute myocardial infarctions (AMI). Besides the most commonly employed T2-weighted STIR (T2-STIR), T2-prepared SSFP (T2-prep SSFP) and cine SSFP (bSSFP) methods have also been proposed. To quantitatively assess myocardial edema, the utility of T1 and T2 maps has been described. However, the relative sensitivities of the various approaches in relation to the routinely used, T2-STIR, method is not fully known.
To assess the sensitivity of T1 and T2 maps, as well as T2-prep SSFP and bSSFP methods against T2-STIR, for detecting myocardial edema in the setting of AMI.
T1 and T2 maps appear to have lower sensitivity for identifying myocardial edema compared to T2-STIR, while no difference was found among T2-STIR, T2-Prep, and bSSFP methods. In addition to the sensitivity consideration, the most robust CMR method for identifying myocardial edema will also require a comparative assessment of the specificity of the different methods.
This article is published under license to BioMed Central Ltd.