Risk factors for atrial fibrillation in elderly patients with severe atherosclerotic cardiovascular disease

Authors

  • Thanuphong Aiemworakit Division of Internal Medicine, Kantharalak hospital

Keywords:

Atrial fibrillation, Elderly, Prevalence, Dangerously high ASCVD risk

Abstract

Atrial fibrillation (AF) is common cardiac arrhythmia with a prevalence of approximately 0.5 to 15% and increased with the aging population. However, there have been limited studies about risk factors of AF in elderly patients with dangerously high atherosclerotic cardiovascular disease (ASCVD) risk in Thailand. This study aimed to determine prevalence and risk factors of AF in elderly patients with dangerously high ASCVD risk. This was a single-center cross-sectional study enrolled 720 patients with dangerously high ASCVD risk (Thai CVD risk > 40%) aged at least 60 years old at Kantharalak district, Sisaket province. Data was collected from Health Data Center 43 files (HDC) database (Tenth regional health center information system) including 12-leads electrocardiography (ECG) and demographic data during 31st August to 30th November 2023. The primary outcomes were prevalence and risk factors of AF. The results revealed that there were 720 patients were enrolled. Of 720 patients, 47 patients (6.5%) had AF. An average age was 79.6±7.7 years. A multivariate logistic regression model showed that AF was associated with a history of heart failure (adjusted odds ratio [aOR] 16.2, 95% Confidence interval [CI] 4.6-57.2, p<0.001), a history of valvular heart disease (adjusted odds ratio [aOR] 72.8, 95% CI 5.8-91.2, p<0.001) and beta-blockers use (aOR 6.6, 95%CI 2.9-14.8, p<0.001) in elderly patients with dangerously high ASCVD risk. In conclusion, prevalence of AF in elderly patients with dangerously high ASCVD risk were 6.5%. Risk factors associated with AF were a history of heart failure, valvular heart disease and beta-blockers use. Elderly patients with dangerously high ASCVD risk and these risk factors should be performed AF screening.

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Published

2024-08-31

How to Cite

1.
Aiemworakit T. Risk factors for atrial fibrillation in elderly patients with severe atherosclerotic cardiovascular disease. J Med Health Sci [Internet]. 2024 Aug. 31 [cited 2024 Nov. 23];31(2):128-39. Available from: https://he01.tci-thaijo.org/index.php/jmhs/article/view/272169

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Original article (บทความวิจัย)