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The role of computerized tomographic angiography in the diagnosis of pathologically modified renal arteries

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The role of computerized tomographic angiography in the diagnosis of pathologically modified renal arteries

Miloš Gašić Orcid logo ,
Miloš Gašić
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Sava Stajić ,
Sava Stajić
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Ivan Bogosavljević Orcid logo ,
Ivan Bogosavljević
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Milena Šaranović Orcid logo ,
Milena Šaranović
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Aleksandra Milenković ,
Aleksandra Milenković
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Sanja Gašić
Sanja Gašić
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Published: 01.12.2019.

Volume 49, Issue 3 (2020)

pp. 1-5;

https://doi.org/10.5937/pramed2004001g

Abstract

Introduction: The most common causes of renal artery disease are stenosis, as a consequence of atherosclerosis and fibromuscular dysplasia. Computed tomographic (CT) angiography is a non-invasive method, which enables visualization of vascular structures and walls of blood vessels, as well as morphology of the renal parenchyma. Objective: To determine the importance of CT angiography in detecting the cause and degree of renal arterial disease. Methods: A total of 45 patients were included in the cross-sectional study conducted from March 2017 to March 2019 in the KBC DR Dragiša Mišović-Dedinje, Belgrade, Serbia. Criteria for inclusion were suspicion of secondary arterial hypertension, patients in preparation for kidney transplantation and in the follow-up period after transplantation, as well as patients with suspected traumatic lesions. We analyzed the causes of the disease, the morphology of the blood vessel wall, the percentage of stenosis, and the renal parenchyma. Results: The most common causes of renal arterial disease are atherosclerosis, which was found in 33 (73%) patients, renal artery aneurysm was found in 5 (11%) subjects, fibromuscular dysplasia in 4 (8.9%) and trauma in 1 (2) , 3%) of the patient. There were 10 (22.2%) patients with a significant (average 80 ± 14.5%) degree of stenosis. The sensitivity of CT angiography in the detection of atherosclerotic changes in the renal arteries was 87.9%, while the sensitivity of CT angiography in the detection of fibromuscular dysplasia was 75%. A statistically significant correlation was found between atherosclerotic stenosis of the renal arteries and a positive CTA finding (p = 0.0002). Conclusion: CT angiography is an important method of visualization and quantification of pathological changes in the renal arteries.

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