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Archives of cardiovascular diseases
Volume 102, n° 8-9
pages 633-639 (août 2009)
Doi : 10.1016/j.acvd.2009.05.006
Received : 6 January 2009 ;  accepted : 18 May 2009
Cardiac magnetic resonance demonstrates myocardial oedema in remote tissue early after reperfused myocardial infarction
Mise en évidence par IRM d’un œdème myocardique précoce en zone saine après infarctus reperfusé
 

Figure 1




Figure 1 : 

Pixel per pixel T2 calculation based on the exponential fit applied to the myocardial signal intensity in each echo (TE) image (from 40ms to 140ms). T2 values are reported in a final parametric image coding the T2 values for each pixel.


Figure 2




Figure 2 : 

Six-segment model of a midventricular short-axis slice.


Figure 3




Figure 3 : 

Comparison of T2 in patients with (NR+) or without (NR−) no-reflow according to the measurement site. Endo: subendocardium; epi: subepicardium.


Figure 4




Figure 4 : 

Example of a patient with acute myocardial infarction involving the interventricular septum. A shows the original half-Fourier turbo-spin echo images acquired with increasing TE from 40ms to 140ms. B displays the calculated parametric image coding T2 values, showing the distribution of myocardial oedema (white arrow). C shows the presence of no-reflow (black arrow) after the bolus injection of DOTA-Gd.

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