Reference Diameters of the Abdominal Aorta and Common Lliac Arteries in Ethiopian Adults on Abdominal CT: A Facility-based Cross-sectional Study
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Date
2020-12
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Addis Abeba University
Abstract
Background: Aortic and common iliac artery diameters are best indicators for diagnosis of
aortic ectasia and aneurysm, and appropriate selection of stent graft size for endovascular
procedures. Currently, there is lack of evidence regarding abdominal aorta and common iliac
artery diameter in Ethiopian adults.
Objective: To assess mean diameter and associated factors of abdominal aorta and common
iliac artery diameters on abdominal CT scans of Ethiopian adults visiting Tikur Anbessa
Specialized Hospital, Addis Ababa, Ethiopia.
Methods: Hospital-based cross-sectional study was conducted. Convenience nonprobability
sampling method was employed. Data were collected from consecutive eligible adults who came
for abdominal CT scans in study period, using interviewer-administered structured
questionnaires. The data was cleaned and analysed using SPSS version 22. Student t-test and
Pearson correlation were used for statistical analysis.
Results: There were 136 study participants and 50 (40.4%) of participants were males and
81(59.6%) were females. Age of participants ranged from 23 up to 77 with mean age of 48.5 ±
13 years. The mean transverse diameter of the aorta at aortic hiatus (T12) level was 2.30 ±
0.25cm in males and 2.03 ± 0.19 m in females. The mean transverse diameter of suprarenal aorta
was 2.04 ± 0.21cm in males and 1.83 ± 0.21 cm in females. Those individuals of male sex,
increased age, larger BSA, and alcohol consumption were having larger diameters.
Conclusion: In this study, Diameter of aorta and common iliac artery was significantly
associated with age, sex, BSA, and alcohol consumption.
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Keywords
Abdominal aorta, Common Iliac Arteries, Ethiopia