Incidence of New-onset Atrial Fibrillation in Patients Presenting with Acute St-elevation Myocardial Infarction

Aim: This study aims to find out the incidence of atrial fibrillation new onset in STEMI patients receiving primary PCI

Sample: A total of 169 patients have included after sample size calculation by using WHO sample size calculator version 2.0.

Study Design: Descriptive cross-sectional study

Place and Duration of Study: This study was conducted at the Department of Interventional Cardiology at the National Institute of Cardiovascular Disease (NICVD), Karachi, Pakistan from April 18th, 2020, to October 17, 2020.

Methodology: The inclusion criteria set for data collection were as; all the patients undergoing Primary PCI with age between 40 to 80 years, males and females, patients presented with 12 hours of the onset of chest pain with STEMI to enroll in the study. Whereas, patients who had a previous history of any cardiac-related surgery and known AF, also all the patients suffered AF after trial of cardioversion, and those patients who had ejection fraction less than 20% were excluded from the study.

Result: The demographic classification showed the mean age of the patients was 55.96±8.9 with a CI of 54.60 to 57.33 years. The mean height of the patients was 167.34±0.56 with CI of 166.2 to 168.46. The mean weight of the patients was 74.84±0.7 with CI of 73.39 to 76.29 kg. The average BMI of all the patients was 26.7±0.28 with CI of 26.2 to 27.33. The analysis of the data revealed that Atrial fibrillation is more common in people who don’t smoke tobacco and are non-diabetic. Diabetic patients are less prone to atrial fibrillation in MI.

Conclusion: The prevalence of new-onset of atrial fibrillation was found to be high in elderly age group patients.