ArticleFrontiers in cardiovascular medicine2025
The value of cardiac magnetic resonance delayed enhancement combined with tissue tracking in discriminating cardiac amyloidosis from hypertrophic cardiomyopathy.
Article in Frontiers in cardiovascular medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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5 authors.
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Abstract
Purpose: Cardiac amyloidosis (CA) and hypertrophic cardiomyopathy (HCM) may both present with left ventricular hypertrophy, making differential diagnosis challenging. This study aimed to evaluate the value of cardiac magnetic resonance (CMR) delayed enhancement combined with tissue tracking (CMR-TT) in discriminating CA from HCM. Methods: Data from 30 patients with CA, 29 patients with HCM, and 20 normal controls (NC) were retrospectively analyzed. All subjects underwent CMR examinations. Tissue tracking techniques were adopted for CMR cine sequences to directly quantify global radial strain (GRS), global circumferential strain (GCS), and global longitudinal strain (GLS). Results: The most common delayed enhancement pattern in CA was linear subendocardial enhancement (76.7%). Half of the CA patients had delayed enhancement involving atria and right ventricle, while 33.3% exhibited the characteristic "chaotic sign." The GRS and GCS values were significantly different between the CA group and the HCM group and between the CA group and the NC group ( Conclusion: CMR delayed enhancement patterns combined with myocardial strain parameters, particularly GLS and GCS, can aid in the differential diagnosis of CA and HCM. Optimal cutoff values of GCS (-14.6%) and GLS (-9.22%) provide a noninvasive imaging approach with significant clinical implications for guiding treatment and improving prognosis.
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