<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Myocardial viability plays an important role in preventing the development of left ventricular remodeling following an acute myocardial infarction. A preserved viability in the infarcted area has been demonstrated to be associated with a lower amplitude of the remodeling process, while the extent of the non-viable myocardium is directly correlated with the amplitude of the remodeling process. A number of methods are currently in use for the quantification of the viable myocardium, and some of them are based on the estimation of myocardial perfusion during pharmacologic stress. 64-slice Multi-detector Computed Tomography (MDCT) during vasodilator stress test, associated with CT Coronary Angiography (CCTA) has a high diagnostic accuracy in evaluating myocardial perfusion. In this article, we present a sequence of 3 clinical cases that presented with symptoms of myocardial ischemia, who underwent 64-slice MDCT imaging at rest and during adenosine stress test, in order to assess the extent of the hypoperfused myocardial areas. Coronary artery anatomy and the Coronary Calcium Score was assessed for all 3 patients by performing CT Coronary Angiography. The combination of CT Angiography and adenosine stress CT myocardial perfusion imaging can accurately detect atherosclerosic lesions that cause perfusion abnormalities, compared with the combination of invasive angiography and single-photon emission computed tomography (SPECT).</p></abstract>

Myocardial viability plays an important role in preventing the development of left ventricular remodeling following an acute myocardial infarction. A preserved viability in the infarcted area has been demonstrated to be associated with a lower amplitude of the remodeling process, while the extent of the non-viable myocardium is directly correlated with the amplitude of the remodeling process. A number of methods are currently in use for the quantification of the viable myocardium, and some of them are based on the estimation of myocardial perfusion during pharmacologic stress. 64-slice Multi-detector Computed Tomography (MDCT) during vasodilator stress test, associated with CT Coronary Angiography (CCTA) has a high diagnostic accuracy in evaluating myocardial perfusion. In this article, we present a sequence of 3 clinical cases that presented with symptoms of myocardial ischemia, who underwent 64-slice MDCT imaging at rest and during adenosine stress test, in order to assess the extent of the hypoperfused myocardial areas. Coronary artery anatomy and the Coronary Calcium Score was assessed for all 3 patients by performing CT Coronary Angiography. The combination of CT Angiography and adenosine stress CT myocardial perfusion imaging can accurately detect atherosclerosic lesions that cause perfusion abnormalities, compared with the combination of invasive angiography and single-photon emission computed tomography (SPECT).

Perfusion Computed Tomography for the Assessment of Myocardial Viability — a Case Series

Clinic of Cardiology, University of Medicine and Pharmacy, Tîrgu Mureș, Romania

Center of Advanced Research in Multimodality Cardiac Imaging, Cardio Med Medical Center, Tîrgu Mureș, Romania

Journal of Interdisciplinary Medicine

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Myocardial viability plays an important role in preventing the development of left ventricular remodeling following an acute myocardial infarction. A preserved...

Perfusion Computed Tomography for the Assessment of Myocardial Viability — a Case Series

Publié en ligne: 06 juil. 2016

Pages: 83 - 87

Reçu: 04 mai 2016

Accepté: 19 mai 2016

DOI: https://doi.org/10.1515/jim-2016-0016

Mots clés
perfusion computed tomography, myocardial viability, ventricular remodeling

© 2016 Mirabela Morariu et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Perfusion Computed Tomography for the Assessment of Myocardial Viability — a Case Series

Publié en ligne: 06 juil. 2016

Pages: 83 - 87

Reçu: 04 mai 2016

Accepté: 19 mai 2016

DOI: https://doi.org/10.1515/jim-2016-0016

Mots clésperfusion computed tomography, myocardial viability, ventricular remodeling

© 2016 Mirabela Morariu et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
perfusion computed tomography, myocardial viability, ventricular remodeling