ArticleJACC. Case reports2026
Complex MINOCA With Myocardial Bridge, Vasospasm, and Microvascular Dysfunction in an HCM Patient.
Article in JACC. Case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
backgroundMyocardial infarction with nonobstructive coronary arteries (MINOCA) is frequent, and the etiology is heterogenous. CASE SUMMARY: A 61-year-old man with hypertrophic cardiomyopathy presented with non-ST-segment elevation myocardial infarction. Coronary angiogram revealed a severe mid-distal left anterior descending myocardial bridge with nonobstructive coronary artery disease consistent with MINOCA. Coronary function testing revealed severe epicardial coronary vasospasm and severe endothelial-dependent and -independent microvascular dysfunction in addition to the physiologically significant myocardial bridge with a unique "reverse P DISCUSSION: In a myocardial bridge, the compression of the coronary artery causes a systolic pressure overshoot and negative pressure gradient resulting in unreliable fractional flow reserve measurements. Physiological assessment with diastolic indices is more accurate for functional assessment of myocardial bridges. TAKE-HOME MESSAGES: The etiology of MINOCA is heterogeneous, and coronary function testing is often crucial for workup. We present a unique reverse P
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