Influence of Age, Gender and BMI on Normal Abdominal Aorta Diameter taken on Abdominal Sonography in Healthy Asymptomatic Pakistani Population
DOI:
https://doi.org/10.51253/pafmj.v74i5.8527Keywords:
Abdominal aorta diameter, Abdominal aorta aneurysm, Anteroposterior diameter, Transverse diameter, Ultrasonography.Abstract
Objective: To evaluate the abdominal aorta diameter in asymptomatic Pakistani population to determine the associations between age, gender and BMI and abdominal aortic diameter measured by ultrasonography.
Study Design: Case series.
Place and Duration of Study: Department of Radiology, Combined Military Hospital, Lahore, Pakistan, from Jun to Dec 2021.
Methodology: A total of ninety-four healthy asymptomatic subjects of both genders, between 18-80 years of age, were enrolled for the study. Aortic diameters were measured (inner to inner method) using electronic calipers on static images. The Anteroposterior and Transverse (TR) diameters were measured at three levels: the first at the aortic hiatus, which was directly below the abdominal aortic commencement, the second at the suprarenal (mid-point), and the third at the aortic bifurcation (lower level).
Results: Males had significantly larger (p-value<0.001) anteroposterior and transverse abdominal aorta diameters than females, with abdominal aorta diameter values found to be significantly higher (p-value 0.001) in age group of greater than 40 years except anteroposterior distal abdominal aorta diameter. Similarly, a significant difference (p-value <0.001) was noted in abdominal aorta diameter among patients with different BMI groups other than distal abdominal aorta diameter.
Conclusion: Abdominal aorta diameters vary greatly depending on age, gender and BMI. Clinicians must know the usual diameter of the abdominal aorta in order to recognize an aneurysm at an early stage.
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