Unveiling new horizons: revolutionary insights into acute myocarditis and optimal mechanical circulatory support timing

Welcome to the May edition of the European Heart Journal: Acute Cardiovascular Care with an exhilarating fusion of groundbreaking research and enlightening educational content. Schelldorfer et al.1 shine a spotlight on the often overlooked burden of uncomplicated acute myocarditis. Their nationwide study exposes an eye-opening 40-fold higher rate of cardiovascular events in patients with myocarditis compared to controls over a median follow-up of 39 months. Pending external validation, this finding may signal a paradigm shift in managing this seemingly low-risk population, advocating for heightened awareness and more effective therapeutic interventions. Buda et al.2 embark on a pioneering journey into the optimal timing of mechanical circulatory support (MCS) in acute myocardial infarction complicated by cardiogenic shock (AMI-CS). Their meticulous observational analysis of over 100 000 patients suggests advantages of early MCS, offering fewer complications, shorter hospital stays, reduced costs, and heightened survival rates. Their findings re-enforce what many clinicians feel reflect contemporary best practices, and their results have the potential to sculpt more efficacious treatment strategies. Notwithstanding, the results of completed temporary MCS trials have been disappointing, and ongoing trials help reshape our treatment of AMI-CS. Also, in this issue, Waldauf et al.3 delve into the association between antiarrhythmic medications on supraventricular arrhythmias (SVAs) in septic shock patients. Their study uncovers nuanced insights, suggesting propafenone’s dominance in patients without left atrial dilatation and amiodarone’s effectiveness in those with dilated left atria. This tailored approach may pave a promising path for optimizing outcomes in critically ill patients, seamlessly integrating critical care medicine and cardiology. Krittanawong et al.4 present a meticulous analysis of spontaneous coronary artery dissection (SCAD), with a specific focus on its occurrence during pregnancy (P-SCAD). Leveraging a robust cohort of over 20 000 female SCAD patients, their study illuminates reduced mortality rates, yet increased 30-day readmission rates in P-SCAD patients. These findings advocate for personalized management strategies, marking a significant leap forward in understanding pregnancy-associated cardiovascular pathology. Lastly, Golino et al.5 report real-world insights into the prognostic significance of eosinophil counts in ST-segment elevation myocardial infarction (STEMI) patients. Their study hints that low eosinophil levels may be a potential prognostic marker, highlighting the need for further exploration into eosinophils’ therapeutic potential and mechanisms in cardiovascular disease. In our educational series, Davide Capodanno’s paper on perioperative myocardial infarction (PMI) offers profound insights into this increasingly recognized clinical phenomenon. With meticulous detail, Capodanno navigates through the complexities of PMI definitions, shedding light on critical unmet needs and offering valuable insights into mitigation strategies. There is a ripe opportunity for an update on the universal definition of myocardial infarction! We believe that this edition of EHJ-ACVC will prove to be enlightening and informative. None declared.