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Background and Objectives: Acute myocardial infarction (AMI) is one of the most common cause of death in Thailand and worldwide, but it is rarely seen in young adult especially whose age below 45 years old. Surprisingly, there was no study in Thailand, although there are many studies in other countries. This study aims to explore co morbidity, death rate and outcome of AMI in the young adult.
Methods: Retrospective descriptive study, 52 patients who diagnose AMI age group between 15-44 year-old, medical record were collected and reviewed about co morbidity, age, and gender. Data were analysed using percentage, mean, and standard deviation by SPSS version 16.
Results: The co-morbidity of AMI in the young adult were 82.7% dyslipidemia, 48.1% current smoker, 28.8% obesity, 23.1% 20.9% diabetes mellitus alcoholic drinking, 20.1% hypertension, 17.3% overweight, 15.4% previous CAD, 5.8% family history of premature CAD, and 1.9% substance abuse. Death rate of ST segment Elevated Myocardial Infarction (STEMI) in young adult was 10.8%, and no one was dead in Non ST-segment Elevated Myocardial Infarction (NSTEMI) group. There were 18.7% of patients had cardiac arrest in STEMI group and 6.7% in NSTEMI group. There were higher rate of immediate complications in STEMI group (78.4%) than NSTEMI group (46.7%). Common immediate complications in STEMI in the young were cardiogenic shock and heart failure, and in NSTEMI group were heart failure and arrhythmias, but no cardiogenic shock.
Conclusion: The three common co-morbidity of AMI in the young were dyslipidemia, current smoking, and obesity, consecutively. The death rate of STEMI was 10% while no one was dead in NSTEMI in young adult. 78.4% in STEMI group and 46.7% in NSTEMI group had complications.
Keywords: Acute myocardial infarction (AMI), young age, co-morbidity, co-morbidity, and complication.