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Updated: Jun 6, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
Published on: February 16, 2016
Angiographic assessment of microvascular perfusion--myocardial blush in clinical practice
Italo Porto1, Christian Hamilton-Craig, Marta Brancati
1Department of Cardiovascular Medicine, Catholic University of the Sacred Heart, Rome, Italy. italo.porto@gmail.com
Abstract:
Assessment of myocardial "blush" by either Myocardial Blush Grade or TIMI Myocardial Perfusion Grade, is the angiographic method currently preferred to confirm myocardial tissue-level perfusion after primary percutaneous intervention. This review focuses on the utility of angiographic "blush" as a simple, widely available, and virtually costless technique for the immediate diagnosis of microvascular impairment at the time of acute catheterization. We comprehensively outline the available evidence behind the "blush," its use in clinical practice, and draw comparisons with other new technologies for assessment of microvascular integrity.
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