• Peige Song, Yazhou He, Davies Adeloye, Yuefeng Zhu, Xinxin Ye, Qian Yi, Kazem Rahimi, Igor Rudan, and Global Health Epidemiology Research Group (GHERG).
• School of Public Health and Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China.
• Ann. Surg. 2023 Jun 1; 277 (6): 912919912-919.

ObjectiveTo estimate the global and regional prevalence and cases of abdominal aortic aneurysms (AAAs) in 2019 and to evaluate major associated factors.BackgroundUnderstanding the global prevalence of AAA is essential for optimizing health services and reducing mortality from reputed AAA.MethodsPubMed, MEDLINE, and Embase were searched for articles published until October 11, 2021. Population-based studies that reported AAA prevalence in the general population, defined AAA as an aortic diameter of 30 mm or greater with ultrasonography or computed tomography. A multilevel mixed-effects meta-regression approach was used to establish the relation between age and AAA prevalence for high-demographic sociodemographic index and low-and middle-sociodemographic index countries. Odds ratios of AAA associated factors were pooled using a random-effects method.ResultsWe retained 54 articles across 19 countries. The global prevalence of AAA among persons aged 30 to 79 years was 0.92% (95% CI, 0.65-1.30), translating to a total of 35.12 million (95% CI, 24.94-49.80) AAA cases in 2019. Smoking, male sex, family history of AAA, advanced age, hypertension, hypercholesterolemia, obesity, cardiovascular disease, cerebrovascular disease, claudication, peripheral artery disease, pulmonary disease, and renal disease were associated with AAA. In 2019, the Western Pacific region had the highest AAA prevalence at 1.31% (95% CI, 0.94-1.85), whereas the African region had the lowest prevalence at 0.33% (95% CI, 0.23-0.48).ConclusionsA substantial proportion of people are affected by AAA. There is a need to optimize epidemiological studies to promptly respond to at-risk and identified cases to improve outcomes.Copyright © 2022 The Author(s). Published by Wolters Kluwer Health, Inc.

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