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Trumble BC, Negrey J, Koebele SV, Thompson RC, Samuel Wann L, Allam AH, Beheim B, Linda Sutherland M, Sutherland JD, Eid Rodriguez D, Michalik DE, Rowan CJ, Lombardi GP, Garcia AR, Cummings DK, Seabright E, Alami S, Kraft TS, Hooper P, Buetow K, Irimia A, Gatz M, Stieglitz J, Gurven MD, Kaplan H, Thomas GS. Testosterone is positively associated with coronary artery calcium in a low cardiovascular disease risk population. Evol Med Public Health 2023; 11:472-484. [PMID: 38145005 PMCID: PMC10746324 DOI: 10.1093/emph/eoad039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 10/11/2023] [Indexed: 12/26/2023] Open
Abstract
Background In industrialized populations, low male testosterone is associated with higher rates of cardiovascular mortality. However, coronary risk factors like obesity impact both testosterone and cardiovascular outcomes. Here, we assess the role of endogenous testosterone on coronary artery calcium in an active subsistence population with relatively low testosterone levels, low cardiovascular risk and low coronary artery calcium scores. Methodology In this cross-sectional community-based study, 719 Tsimane forager-horticulturalists in the Bolivian Amazon aged 40+ years underwent computed tomography (49.8% male, mean age 57.6 years). Results Coronary artery calcium levels were low; 84.5% had no coronary artery calcium. Zero-inflated negative binomial models found testosterone was positively associated with coronary artery calcium for the full sample (Incidence Rate Ratio [IRR] = 1.477, 95% Confidence Interval [CI] 1.001-2.170, P = 0.031), and in a male-only subset (IRR = 1.532, 95% CI 0.993-2.360, P = 0.053). Testosterone was also positively associated with clinically relevant coronary atherosclerosis (calcium >100 Agatston units) in the full sample (Odds Ratio [OR] = 1.984, 95% CI 1.202-3.275, P = 0.007) and when limited to male-only sample (OR = 2.032, 95% CI 1.118-4.816, P = 0.024). Individuals with coronary artery calcium >100 had 20% higher levels of testosterone than those with calcium <100 (t = -3.201, P = 0.007). Conclusions and Implications Among Tsimane, testosterone is positively associated with coronary artery calcium despite generally low normal testosterone levels, minimal atherosclerosis and rare cardiovascular disease (CVD) events. Associations between low testosterone and CVD events in industrialized populations are likely confounded by obesity and other lifestyle factors.
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Affiliation(s)
- Benjamin C Trumble
- Arizona State University, School of Human Evolution and Social Change, Center for Evolution and Medicine, Institute of Human Origins, Tempe, AZ, USA
| | - Jacob Negrey
- Arizona State University, School of Human Evolution and Social Change, Center for Evolution and Medicine, Institute of Human Origins, Tempe, AZ, USA
| | - Stephanie V Koebele
- Arizona State University, School of Human Evolution and Social Change, Center for Evolution and Medicine, Institute of Human Origins, Tempe, AZ, USA
| | - Randall C Thompson
- Saint Luke’s Mid America Heart Institute, Department of Cardiology, Kansas City, MO, USA
| | - L Samuel Wann
- University of New Mexico, School of Medicine, Albuquerque, NM, USA
| | - Adel H Allam
- Al Azhar University, School of Medicine, Cairo, Egypt
| | - Bret Beheim
- Max Planck Institute for Evolutionary Anthropology, Department of Human Behavior, Ecology and Culture, Leipzig, Germany
| | | | | | | | - David E Michalik
- University of California Irvine, School of Medicine, Irvine, CA, USA
- Miller Women’s and Children’s Hospital Long Beach, CA, USA
| | | | - Guido P Lombardi
- Universidad Peruana Cayetano Heredia, Laboratorio de Paleopatología, Lima, Peru
| | - Angela R Garcia
- Arizona State University, School of Human Evolution and Social Change, Center for Evolution and Medicine, Institute of Human Origins, Tempe, AZ, USA
| | | | - Edmond Seabright
- Mohammed VI Polytechnic University, School of Collective Intelligence, Ben Guerir, Morocco
| | - Sarah Alami
- Mohammed VI Polytechnic University, School of Collective Intelligence, Ben Guerir, Morocco
| | - Thomas S Kraft
- University of Utah, Anthropology Department, Salt Lake City, UT, USA
| | - Paul Hooper
- Chapman University, Economic Science Institute, Orange, CA, USA
| | - Kenneth Buetow
- Arizona State University, School of Human Evolution and Social Change, Center for Evolution and Medicine, Institute of Human Origins, Tempe, AZ, USA
| | - Andrei Irimia
- University of Southern California, Psychology Department, Los Angeles, CA, USA
| | - Margaret Gatz
- University of Southern California, Psychology Department, Los Angeles, CA, USA
| | - Jonathan Stieglitz
- Toulouse Scool of Economics, Institute for Advanced Study Toulouse, Toulouse, France
| | - Michael D Gurven
- University of California Santa Barbara, Department of Anthropology, Santa Barbara, CA, USA
| | - Hillard Kaplan
- Chapman University, Economic Science Institute, Orange, CA, USA
| | - Gregory S Thomas
- MemorialCare Health System, Fountain Valley, CA, USA
- University of California Irvine, Division of Cardiology, Orange, CA, USA
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