This Week in Cardiology — May 21, 2026

Welcome to This Week in Cardiology. This week we're covering 10 notable papers spanning critical care and resuscitation, new insights into cardiomyopathies and vascular disease, and a look at the future of therapy from the world of basic science. Let… This week's papers: 1. Ambient fine particulate matter exposure and prognosis in patients with valvular heart disease. — Heart 2026 2. Coronary microvascular dysfunction and cardiovascular outcomes (Multicenter FLOW-CMD Registry): a prospective, multicentre cohort study in South Korea. — Lancet (London, England) 2026 3. Intrapericardially injected hydrogel loaded with stromal cell secretome microparticles improves post-infarction myocardial repair in pigs. — European heart journal 2026 4. Current state of knowledge on the epidemiology, aetiology, diagnosis, and management of heart involvement in eosinophilia. A Clinical Consensus Statement of th… — European journal of heart failure 2026 5. Macrophage EHD1 Promotes Inflammation and Stabilizes Sortilin to Accelerate Atherosclerosis. — Circulation research 2026 6. Cardiac Intensive Care Unit Appropriate Patient Selection and Triage: A Scientific Statement From the American Heart Association. — Circulation 2026 7. Resuscitation Quality Improvement Program for CPR Training and Cardiac Arrest Survival in Hospitals. — JAMA cardiology 2026 8. Sex and Age Specific Genetic Risk Across the Dilated and Arrhythmogenic Cardiomyopathy Spectrum: Insights From the SHaRe Registry. — Journal of the American College of Cardiology 2026 9. Observational Comparative Research in Cardiovascular and Brain Health and Disease: A Scientific Statement From the American Heart Association. — Circulation 2026 10. Identification of unannotated microproteins involved in endothelial cell homeostasis, dysfunction and vascular disease. — Cardiovascular research 2026 Listen at https://audioscholar.cc/episode/vvrecb864a