Normal values of angle and distance between the superior mesenteric artery and aorta in Iraqi population: A single centre study

Autor: Sawsan Salah Hadi, Tara Farooq Kareem, Areege Mustafa Kamal
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Journal of Medical Radiation Sciences, Vol 69, Iss 2, Pp 191-197 (2022)
Druh dokumentu: article
ISSN: 2051-3909
2051-3895
DOI: 10.1002/jmrs.561
Popis: Abstract Introduction The diagnosis of the superior mesenteric syndrome depends on measuring the distance and angle between the superior mesenteric artery (SMA) and aorta on CT scan in the presence of duodenal compression. Studies examining the normal range of these measurements are scarce and none of them was conducted on the Iraqi population. The aim of this study was to assess the values of aorto‐SMA angle (AMA) and aorto‐SMA distance (AMD) in asymptomatic patients to define the normal range in the Iraqi population and to compare it with the normal published range and different demographical values and body mass index (BMI). Methods A total of 333 patients referred to arterial phase CT examinations for reasons unrelated to gastrointestinal tract were recruited. On axial and reformatted sagittal–oblique images, the angle and the distance between SMA and aorta were measured at the location where the duodenum crosses. Results Both AMA and AMD had a wider range 10–147° and 4–44 mm, respectively, compared to the literature reported range. There was a significant reduction in AMA and AMD values in underweight participants (AMA, P
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