Prevalence, clinical profile, and stroke risk of atrial fibrillation in rural Andhra Pradesh, India (the AP-AF study)

The burden of atrial fibrillation (AF) is increasing worldwide. It is often asymptomatic, with stroke being the first manifestation in some. AF burden in the community and the practice of stroke prophylaxis has not been studied in India. The problem might be higher in rural regions due to poor healt...

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Bibliographic Details
Published in:Indian heart journal 2022-03, Vol.74 (2), p.86-90
Main Authors: Saggu, Daljeet Kaur, Rangaswamy, Vickram Vignesh, Yalagudri, Sachin, Sundar, Gomathi, Reddy, N.K., Shah, Vihang, K, Kotti, Shankar, Manjunath, Chennapragada, Sridevi, Narasimhan, Calambur
Format: Article
Language:English
Subjects:
Atrial fibrillation
India
Mobile ECG
Original
Prevalence
Screening
Stroke
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Summary:The burden of atrial fibrillation (AF) is increasing worldwide. It is often asymptomatic, with stroke being the first manifestation in some. AF burden in the community and the practice of stroke prophylaxis has not been studied in India. The problem might be higher in rural regions due to poor health awareness and challenges to healthcare access. This study aimed to estimate the prevalence of AF, clinical profile and stroke risk in rural India. This is a community-based cross-sectional study done in rural Andhra Pradesh (AP). Adults from 40 villages formed the study population. We did a door-to door survey to collect information on demographics, and medical history. Electrocardiogram was recorded using a smart phone based Alivecor device. Participants diagnosed with AF underwent echocardiogram. Study cardiologists assessed the cardiovascular risk profile and collected detailed medical history. Fourteen of the 4281 individuals screened had AF (0.3%). The mean age of the sampled population was 44 ± 16.5 years with 56% women. The mean age of participants with AF was 71 ±7.8 years; males were 71%. Except for one, all were non-valvular AF. Majority had a CHA2D2S2Vasc score of ≥2. Three had history of stroke. Two were on anticoagulant therapy but without INR monitoring. The prevalence of AF is lower in this study compared to studies from the developed countries. Non-rheumatic cardiovascular risk factors were primary causes for AF. Non-adherence to stroke prophylaxis is a major threat that needs to be addressed.
ISSN:0019-4832
2213-3763
DOI:10.1016/j.ihj.2022.02.002