ArticleCureus2025
Comparative Evaluation of Doppler Sonography and Magnetic Resonance Angiography in Assessing Extracranial Carotid and Vertebral Arteries in Patients With Stroke.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
objectiveThis study aimed to evaluate the performance of Doppler sonography in identifying extracranial vascular abnormalities in patients with stroke and to compare its findings with those obtained from magnetic resonance angiography (MRA). METHODOLOGY: This observational study included 150 patients with stroke or transient ischemic attack (TIA) who presented to Shri B.M. Patil Medical College between November 2019 and September 2022. All patients underwent color Doppler ultrasonography using a Philips HD-11 XE machine (Koninklijke Philips N.V., Amsterdam, Netherlands) with a 4-11 MHz linear probe to evaluate the carotid and vertebral arteries for stenosis, plaque formation, and flow irregularities. MRA was performed on a GE 1.5 Tesla SIGNA MRI scanner (GE Healthcare, IL, USA) using 3D time-of-flight (TOF) and gadolinium-enhanced sequences. Imaging findings from both modalities were compared using paired proportion statistical analysis.
resultsThe mean age of participants was 60.66 ± 10.91 years, comprising 126 males (84%) and 24 females (16%). The internal carotid artery (ICA) and vertebral artery were the most frequently affected vessels, demonstrating abnormalities in 84 (56%) and 78 (52%) cases, respectively, on both Doppler and MRA. Bulb involvement was observed in 21 (14%) cases on Doppler and 15 (10%) on MRA. Collateral formation was most frequently noted on MRA in the vertebral artery (51 (34%)) and ICA (45 (30%)), whereas Doppler detected none. Complete occlusion and thrombosis were each most commonly observed in the ICA and vertebral arteries (78 (52%) cases).
conclusionsDoppler sonography is a reliable bedside screening tool for detecting significant occlusive disease in patients with stroke. However, MRA offers superior resolution, particularly for assessing high-grade stenosis and collateral circulation. Together, they serve as complementary diagnostic modalities, and their combined use may enhance stroke evaluation and support more effective therapeutic decision-making.
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