T2 mapping for the detection of myocardial edema in patients with acute myocarditis
Anirudh Mirakhur 1 , Yoko Mikami 2 , Khayam Khan 2 , Andrew Howarth 2 , and Naeem Merchant 1,2
Diagnostic Imaging, University of Calgary,
Calgary, Alberta, Canada,
Cardiovascular MR Centre, Libin Cardiovascular Institute
of Alberta, University of Calgary, Calgary, Alberta,
Conventional short-tau-inversion-recovery (STIR)
sequence for edema imaging in acute myocarditis is
semi-quantitative at best and limited by technical
factors. T2-mapping may open the way for a truly
quantitativeapproach in assessing myocardial edema.
Patients with acute myocarditis and healthy
volunteerswere studied to assess the utility of T2
mapping in edema imaging. Based on our results, we
conclude that myocardial T2 mapping can detect global
edema and differentiate it from normal myocardium. In
fact, T2 mapping may actually be more sensitive to focal
edema than conventional STIR imaging.
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