Key result
Mean suprarenal and infrarenal abdominal aortic diameters were significantly larger in men (1.75 cm and 1.43 cm) compared to women (1.63 cm and 1.32 cm, p<0.001) and increased significantly with age.
Why the study?
Diagnosing abdominal aortic aneurysms requires reference normal abdominal aortic diameters that represent anatomical variation in the studied population, which were needed for the Saudi population.
Observational (n=399)
No
Absolute Event Rate: 1.75% vs 1.63%
p-value: p=<0.001
This study establishes reference normal diameters for the abdominal aorta and common iliac arteries in the Saudi population, demonstrating that aortic diameters are larger in men and increase with age.
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May inform Saudi-specific AAA screening thresholds; leaves open prospective validation and generalizability.
Wazzan et al. (2022) conducted an observational in Healthy adults (low-risk) (n=399). Male sex vs. Female sex was evaluated on Suprarenal aorta diameter (cm) (p=<0.001). Mean suprarenal and infrarenal abdominal aortic diameters were significantly larger in men (1.75 cm and 1.43 cm) compared to women (1.63 cm and 1.32 cm, p<0.001) and increased significantly with age.
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