Key result
Physical or mental triggers were identified in 46.4% of patients in the 24 hours preceding an acute myocardial infarction, with significant associations observed for male sex, smoking, and stressful occupations.
Why the study?
In addition to established cardiovascular risk factors, external triggers play critical roles in the incidence of acute myocardial infarction.
Cross-Sectional (n=254)
No
Absolute Event Rate: 46.4% vs 53.6%
In patients experiencing their first acute myocardial infarction, specific triggers are significantly associated with factors such as gender, occupation, smoking, and season, suggesting that preventive strategies should address these external stimuli in predisposed individuals.
Associations of AMI triggers with clinical factors identified; leaves open causal prevention targets in prospective studies.
Background Myocardial infarction (MI) is one of the important cardiovascular diseases. A trigger is an external stimulus, potential to create a pathological change leading to a clinical event. In addition to the risk factors of myocardial infarction, MI triggers play critical roles in the incidence of acute MI. Methods and Results This is a cross-sectional study of patients with the first acute myocardial infarction in Seyedoshohada heart center of Urmia, Iran. 254 patients were enrolled in the study within one year of study. After 48 h of hospitalization, the patients were provided with the questionnaire to collecting the history of the disease ad triggers. Out of 220 (86.4%) patients with STEMI and 34 (13.6%) patients with NSTEMI, there were significant differences (p <0.05) in AMI triggers with LVEF (0.03), gender (0.027), residency and living area (0.039), occupation (0.002), smoking (0.008), abnormal serum TG levels (0.018) and the season of AMI occurrence (0.013). The mean age for AMI patients was 60.4±12.97 years old with a mean BMI of 26.65±4.35 kg/m 2 . Conclusion In addition to classic risk factors of myocardial infarction, health care systems must pay more attention to triggers that may induce an acute myocardial infarction in people with predisposing factors especially in the male sex, stressful and hand working jobs, and psychological and mental tension patients.
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Khademvatani et al. (2020) conducted a cross-sectional in Acute Myocardial Infarction (n=254). Physical and mental triggers vs. No triggers was evaluated on Presence of physical or mental triggers in the 24 hours prior to acute myocardial infarction. Physical or mental triggers were identified in 46.4% of patients in the 24 hours preceding an acute myocardial infarction, with significant associations observed for male sex, smoking, and stressful occupations.
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