Sonographic Study of Normal Common Bile Duct Diameter in Saudi Subjects

Siddeg K. M. Al-Mahdi, Saida A. O. Mohammed , Rahma A. Awad, Afraa Siddig, Sami N. A. Elgak, Nagi I. Ali

 
International Journal of Biomedicine. 2023;13(2):265-268.
DOI: 10.21103/Article13(2)_OA11
Originally published June 5, 2023

Abstract: 

Background: The aim of this study was to measure the normal parameters of the common bile duct (CBD) in Saudi subjects using ultrasound modality.
Methods and Results: This descriptive cross-sectional study was carried out in Alazhar Medical Group (Alqunfoda town, Saudi Arabia) from July 2022 to October 2022. The study included 150 subjects (43 males and 107 females) aged between 10 and 73 years without known biliary/pancreatic disease or surgery. The data was collected using the ultrasound machine Samsung Medison (SonoAce R7) using the lower frequency [2-8 MHz] curvilinear probe. The age, gender, body height, weight, and body mass index (BMI) were also recorded. The mean weight, height, and BMI levels were 71.64±17.32 kg, 165.06±11.7 cm, and 26.19±5.66 kg/m2, respectively. The mean CBD diameter was 3.26±0.82 mm, ranging from 1.8 mm to 5.8 mm. There was no statistically significant difference in CBD diameter between male and female subjects. Our study found that the linear regression model partially predicted the value of the CBD diameter with increasing age and weight. Further research on CBD measurement with a larger population sample and using various body positions is needed for more accurate results.

Keywords: 
common bile duct • ultrasound • body mass index
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Received April 11, 2023.
Accepted May 25, 2023.
©2023 International Medical Research and Development Corporation.