Acute myocardial infarction without obstructive lesions, a retrospective study in older adult patients in a Latin American hospital.

Abstract

Introduction: A presentation consistent with an acute myocardial infarction without obstructive lesions of greater than 50% and no other plausible explanation for the clinical presentation at the time of angiography characterize myocardial infarction in the absence of obstructive coronary artery disease (MINOCA). heart attack. MINOCA is linked to a 5% 1-year death rate and accounts for 5% to 15% of AMI patients. In older patients, Latin America has few characterizations of it. Methods: Medical data from January 2021 to December 2023 in a South American hospital were reviewed as part of a retrospective study. Included were patients who had coronary angiography and were diagnosed with acute myocardial infarction based on the fourth universal criteria. Results: Patients who satisfied the inclusion and exclusion criteria and were over 65 years old up to 90 years old were included. There were a hundred patients in all, including thirty-two women and sixty-eight men. 13 patients—8 women and 5 men—had MINOCA. The three most common comorbidities were diabetes (48%), dyslipidemia (57%), and hypertension (69%). Every patient at MINOCA had diabetes. Discussion: Where the MINOCA is up to 15%, a frequency comparable to research from other latitudes was discovered. All of the cases with ST elevation myocardial infarction had 8% fatality rates. There was no death among the MINOCA patients. We highlight the necessity of doing bigger cohort studies in order to improve characterisation, based on the results obtained here.