[Aortic Valve Stenosis and Acute Coronary Syndrome. Obvious Answers to Non-Obvious Questions].

The article presents a systematic review focused on clinical features of acute coronary syndrome (ACS) and approaches to its diagnosis in patients with aortic stenosis (AS), as well as approaches to managing the risks of adverse events. The review includes publications from 2000 to 2024. The information in the review by 80% reflects the reports for the recent 5 years. The main databases used in searching for information and writing the review were eLibrary.ru, PubMed, platforms of Nature publishing houses, Springer materials, and PLOS (Public Library of Science). The following keywords were used for the search of publications: aortic stenosis, myocardial infarction, acute coronary syndrome. A total of 105 full-text publications were found; 64 publications best matching the topic of the review were used. The article presents up-to-date data on the complexities of differential diagnosis of decompensated AS and ACS, the general pathogenesis of coronary atherocalcinosis and AS, and promising algorithms for surgical treatment of patients with a combination of AS and various forms of ischemic heart disease (acute and chronic).