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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Very low prevalence and incidence of atrial fibrillation among bolivian forager-farmers
Annals of Global Health, Volume 87, Article 18, Year 2021
Notification
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Description
Background: Atrial fibrillation is the most common arrhythmia in post-industrialized populations. Older age, hypertension, obesity, chronic inflammation, and diabetes are significant atrial fibrillation risk factors, suggesting that modern urban environments may promote atrial fibrillation. Objective: Here we assess atrial fibrillation prevalence and incidence among tropical horticulturalists of the Bolivian Amazon with high levels of physical activity, a lean diet, and minimal coronary atherosclerosis, but also high infectious disease burden and associated inflammation. Methods: Between 2005-2019, 1314 Tsimane aged 40-94 years (52% female) and 534 Moseten Amerindians aged 40-89 years (50% female) underwent resting 12-lead electrocardiograms to assess atrial fibrillation prevalence. For atrial fibrillation incidence assessment, 1059 (81% of original sample) Tsimane and 310 Moseten (58%) underwent additional ECGs (mean time to follow up 7.0, 1.8 years, respectively). Findings: Only one (male) of 1314 Tsimane (0.076%) and one (male) of 534 Moseten (0.187%) demonstrated atrial fibrillation at baseline. There was one new (female) Tsimane case in 7395 risk years for the 1059 participants with >1 ECG (incidence rate = 0.14 per 1,000 risk years). No new cases were detected among Moseten, based on 542 risk years. Conclusion: Tsimane and Moseten show the lowest levels of atrial fibrillation ever reported, 1/20 to ~1/6 of rates in high-income countries. These findings provide additional evidence that a subsistence lifestyle with high levels of physical activity, and a diet low in processed carbohydrates and fat is cardioprotective, despite frequent infection-induced inflammation. Findings suggest that atrial fibrillation is a modifiable lifestyle disease rather than an inevitable feature of cardiovascular aging.© 2021 The Author(s).
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC7894370/bin/agh-87-1-3252-s1.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC7894370/bin/agh-87-1-3252-s2.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC7894370/bin/agh-87-1-3252-s3.pdf
Authors & Co-Authors
Rowan, Chris J.
United States, Reno
Renown Institute for Heart and Vascular Health
Eskander, Michael A.
United States, Everett
Western Washington Medical Group
Seabright, Edmond
United States, Albuquerque
The University of new Mexico
Rodríguez, Daniel Eid
Bolivia, Cochabamba
Universidad Mayor de San Simón
Bolivia, Beni
Tsimane Health and Life History Project
Linares, Edhitt Cortez
Bolivia, Beni
Tsimane Health and Life History Project
Gutierrez, Raul Quispe
Bolivia, Beni
Tsimane Health and Life History Project
Adrian, Juan Copajira
Bolivia, Beni
Tsimane Health and Life History Project
Cummings, Daniel K.
United States, Albuquerque
The University of new Mexico
Beheim, Bret Alexander
Germany, Leipzig
Max Plank Institute of Evolutionary Anthropology
Tolstrup, Kirsten
United States, San Francisco
Ucsf School of Medicine
Achrekar, Abinash
United States, Albuquerque
The University of new Mexico
Kraft, Thomas S.
United States, Santa Barbara
University of California, Santa Barbara
Michalik, David E.
United States
Miller Women's and Children's Hospital Long Beach
United States, Irvine
University of California, Irvine
Miyamoto, Michael I.
United States, Los Angeles
Providence St. Joseph Health
Allam, Adel Hassan A.
Egypt, Cairo
Al-azhar University
Wann, Lee Samüel
United States, Milwaukee
Ascension Healthcare
Narula, Jagat P.
United States, New York
Icahn School of Medicine at Mount Sinai
Trumble, Benjamin C.
United States, Tempe
Arizona State University
Stieglitz, Jonathan
France, Toulouse
Institute for Advanced Study
Thompson, Randall C.
United States, Kansas City
Mid America Heart Institute - Kansas City
United States, Kansas City
University of Missouri-kansas City
Thomas, Gregory S.
United States
Memorialcare
United States, Irvine
University of California, Irvine
Kaplan, Hillard S.
United States, Orange
Chapman University
Gurven, Michael D.
United States, Santa Barbara
University of California, Santa Barbara
Statistics
Citations: 23
Authors: 23
Affiliations: 20
Identifiers
Doi:
10.5334/aogh.3252
e-ISSN:
22149996
Research Areas
Noncommunicable Diseases
Study Design
Cross Sectional Study
Cohort Study
Participants Gender
Male
Female