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ACC 2026 Late-Breaking Trials
Live trial results, expert commentary, and discussion with 10+ trial authors
✨ Key Finding: Short-term exposures to both extreme heat and cold increase the risk of major cardiovascular events, including myocardial infarction, stroke, heart failure, and sudden cardiac death.
✨ Key Finding: Sotatercept significantly reduced pulmonary vascular resistance by 1.02 Wood units (0.3 mg/kg) and 0.75 Wood units (0.7 mg/kg) compared to placebo at 24 weeks in patients with CpcPH-HFpEF.
✨ Key Finding: Elevated serum neurofilament light chain in patients with atrial fibrillation was associated with increased major vascular events (aHR 1.35 per doubling of concentration).
✨ Key Finding: Atrial fibrillation density showed a dose-response relationship with 1-year ischemic stroke risk (RR 1.75; 95% CI 1.25-2.44), independent of overall AF burden.
Research uncovers the role of efferocytosis in tissue repair in the heart, indicating its importance for cardiac health.
✨ Key Finding: The American Heart Association issued a new scientific statement calling for improved diagnosis and management of acute coronary syndromes in premenopausal women.
✨ Key Finding: Women with pregnancy-associated spontaneous coronary artery dissection have a more severe phenotype than non-pregnancy cases, with higher STEMI incidence (18.6% vs 5.5%) and less LVEF recovery.
✨ Key Finding: Potential energy (HR 1.38) and ventriculoarterial coupling (HR 1.35) derived from non-invasive pressure-volume loops predicted mortality or heart failure in post-STEMI patients, unlike LVEF.
✨ Key Finding: Smoking cessation after a first STEMI enhances infarct healing on cardiac MRI and is associated with lower mortality.
Secondary analysis evaluates different troponin assays' impact on risk stratification in suspected acute coronary syndrome, highlighting implications for patient management.