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Unveiling the mystery of “missing” emergencies in the era of COVID-19 pandemic: a generalized phenomenon with unclarified implications

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A significant reduction concerning the hospital admissions for acute coronary syndromes (ACS), stroke, and cardiac catheterization rates has been documented both in Europe and the U.S. during the COVID-19 pandemic… Click to show full abstract

A significant reduction concerning the hospital admissions for acute coronary syndromes (ACS), stroke, and cardiac catheterization rates has been documented both in Europe and the U.S. during the COVID-19 pandemic [1–3]. In like manner, our study revealed that all-cause visits at the Emergency Cardiology Department (ECD) and particularly the STEMI cases appeared to be greatly affected over the same period [4]. Interestingly, both the daily patients’ visits in the ECD and myocardial infarction cases were inversely related with the COVID-19 spread trends in Greece [4]. It is difficult to explain the phenomenon of the “missing” emergency hospital visits. The results of our study refer to a tertiary Heart center which is not a COVID-19 dedicated hub. This may have contributed to these “missing” visits as some cases could have been visiting other healthcare facilities, misinterpreting heart-related symptoms as a probable infection. The centrally issued recommendation, however, prompted patients to reach COVID-19 dedicated centers only in case of high suspicion of a chest infection. For this reason, we could presume that cases with predominant heartrelated symptoms should not have been directed to other healthcare units. On the other hand, the fear of acquiring COVID-19 infection was recognized as the main reason to keep patients away from hospitals [3]. It is reasonable to hypothesize that this could have affected the visiting rates in COVID-19 dedicated hospitals equally, if not more. However, there are no available data yet to support such a hypothesis. Data regarding a reduced mean left-ventricular ejection fraction (LVEF) among MI cases comprises another important finding about the ACS-related morbidity during the pandemic. In our study, before and post-COVID-19 pandemic, there was a significant decline of the observed mean LVEF among the STEMI cases between January 2020 and April 2020; from 47.8 to 37% accordingly (p = 0.031). This observation could be related with delays in presentation or initiation of treatment; however, other factors, such as renal function, diabetes mellitus, and excessive atherosclerosis, could also play an important role [3]. On the other hand, one could speculate that the reduced LVEF reflects missing cases with milder symptoms. Intriguingly, Hammad et al. showed that the culprit lesion was more likely to be localized in the left anterior descending (LAD) artery among the post-COVID-19 pandemic STEMI cases [3]. LAD-related infarctions are generally accompanied by lower LVEF on arrival [5]. However, it should be acknowledged that in several cases, especially in older patients, the estimation of EF is not enough for the evaluation of ventricular function, as ventricular stiffness and deformation of longitudinal strain rate are related to clinical outcome, while the improvement in these two parameters reflects pressure overload recovery. Cardiovascular disease remains the leading cause of premature death and disability among the western populations with increasing rates globally. Current estimations suggest that COVID-19 epidemic will lead to long-lasting unfavorable economic effects, not only to individuals, but also on health systems increasing future demands for healthcare services, since all postponed elective and semi-elective procedures will accumulate, blocking hospitals capacity. Based on the current data, we aim to conduct a prospective study to evaluate the shortand longer-term implications of the pandemic. Being optimistic, this pandemic can be viewed as an opportunity to enhance the promotion of e-visits, patient’s tele-monitoring, initiation of e-health programs, and above all to raise public awareness so as to be prepared for future challenges. * Konstantinos Tsioufis [email protected]

Keywords: phenomenon; cardiology; stemi cases; covid; covid pandemic; covid dedicated

Journal Title: Clinical Research in Cardiology
Year Published: 2020

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