Key result
Obstructive coronary artery disease or hemodynamically significant lesions were identified in only a quarter of patients with type 2 myocardial infarction, with no differences between males and females.
Why the study?
Does patient sex influence coronary anatomy, plaque characteristics, and the prevalence of obstructive CAD in type 2 myocardial infarction?
Does patient sex influence coronary anatomy, plaque characteristics, and the prevalence of obstructive CAD in type 2 myocardial infarction?
The finding that the majority of type 2 MI patients lack obstructive CAD regardless of sex underscores the likely role of alternative mechanisms like microvascular dysfunction or spasm.
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Nathaniel Rosso Smilowitz (2023) conducted an editorial in Type 2 Myocardial Infarction (n=50). Female sex vs. Male sex was evaluated on CCTA-defined obstructive coronary artery disease or hemodynamically significant lesions. Obstructive coronary artery disease or hemodynamically significant lesions were identified in only a quarter of patients with type 2 myocardial infarction, with no differences between males and females.
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