Current Research in MRI
Original Articles

Comparison of Digital Subtraction Angiography and Non-Contrast-Enhanced Magnetic Resonance Angiography Findings in Imaging Carotid Arteries

1.

Department of Radiology, Erzincan Binali Yıldırım University Faculty of Medicine, Erzincan, Türkiye

2.

Department of Radiology, Ankara University Faculty of Medicine, Ankara, Türkiye

Curr Res MRI 2024; 3: 49-56
DOI: 10.5152/CurrResMRI.2024.24097
Read: 1082 Downloads: 1078 Published: 27 August 2024

Objective: This study aimed to compare the diagnostic effectiveness and precision of non-contrast magnetic resonance angiography (MRA) with the most reliable digital subtraction angiography (DSA) findings in imaging the cervical segment of the carotid arteries.

Methods: From January 2012 to April 2018, a retrospective evaluation was conducted on the images of 23 patients who had undergone DSA and non-contrast MRA for the carotid arteries in the neck. The evaluation was based on data retrieved from the local database. The stenosis rates were categorized as follows: normal, stenosis less than 50%, stenosis between 50% and 69%, stenosis equal to or greater than 70%, and total occlusion.

Results: Out of the 23 participants who were included in the study, 13 (56.5%) were female and 10 (43.5%) were male. The average age of the patients was 58.5, with a range of 29 to 84 and a median value of 60. The non-contrast MRA examination had a sensitivity of 78%, specificity of 97%, positive predictive value of 88%, negative predictive value of 95%, and diagnostic accuracy of 93% for detecting significant stenosis (>50%) in the internal carotid artery (ICA), as determined by the gold standard DSA. The non-contrast MRA had a sensitivity of 86%, specificity of 100%, positive predictive value of 100%, negative predictive value of 98%, and a diagnostic accuracy rate of 98%.

Conclusion: Non-contrast MRA imaging is a secure technique for identifying atherosclerotic carotid artery disease with a high level of accuracy and precision.

Cite this article as: Memis KB, Gulmez AO, Sanlıdilek U. Comparison of digital subtraction angiography and non-contrast-enhanced magnetic resonance angiography fndings in imaging carotid arteries. Current Research in MRI, 2024;3(2):49-56.

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