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ACC 2026 Late-Breaking Trials
Live trial results, expert commentary, and discussion with 10+ trial authors
Comparative analysis shows similar cardiovascular outcomes in patients with AMI using bisoprolol or carvedilol, suggesting both are viable for prevention.

“In AMI patients with reduced LVEF undergoing PCI, bisoprolol and carvedilol showed comparable 3-year cardiovascular outcomes. Both are suitable options for secondary prevention. By Jun-Chang Jeong https://t.co/RfYpwnawv9 #circ_j #CardioX https://t.co/WrQyGDbODQ”
Does whole-exome sequencing identify clinically relevant genetic variants in young and middle-aged adults with pre-hospital sudden cardiac arrest?
Result: Pathogenic or likely pathogenic variants were identified in 13 individuals, corresponding to a diagnostic yield of 18.8%.
Does hypertrophic cardiomyopathy increase the risk of infective endocarditis compared to matched controls?
Result: The 5-year cumulative incidence of IE was 3.25% in the HCM group and 1.31% in controls (HR 2.62, 95% CI 2.20 to 3.12, p<0.001).
This research highlights Orai1's role in promoting angiogenesis after myocardial infarction, suggesting it as a therapeutic target.
Prospective trial evaluates shear wave elastography for detecting myocardial fibrosis in dilated cardiomyopathy, suggesting new risk stratification tools.
Result: The advisory provides a contemporary profile of nonvalvular device infections and an algorithm for their evaluation in patients with bloodstream infection.

“Published today, Infections of Selected Nonvalvular Cardiovascular Devices: A Science Advisory from the American Heart Association. Nonvalvular CV device infections including intracardiac devices (e.g., septal closure devices, shunts), intravascular devices (e.g., stents, https://t.co/4KHI1JL4m4”
Key Finding: Adjunctive prednisolone added to standard primary treatment for Kawasaki disease did not reduce the incidence of coronary-artery lesions at 1 month after illness onset.

“なんとNEJM Randomized Trial of Adjunctive Prednisolone for Kawasaki Disease | New England Journal of Medicine https://t.co/lXJVbmWINA”
Do employer-sponsored workplace wellness programs reduce cardiovascular disease risk factors in at-risk civilian adults?
Result: Most studies reported non-statistically significant results for CVD risk factors, but nearly half found significant improvements in systolic blood pressure.
We present WNT5a-mediated aberrant actin filament dynamics as a novel mechanism underlying cardiac pathogenic phenotypes in LMNA-related EDMD. Our findings indicate that activating WNT5a/RhoA and stabilizing actin assembly may serve as novel therapeutic strategies for this condition.