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Color-coded Doppler sonography of vertebral arteries
S Trattnig1, B Schwaighofer, P Hübsch
1Division of Diagnostic Radiology, University of Vienna, Austria.
Summary
Color-coded Doppler sonography effectively visualizes vertebral arteries in patients with vertebrobasilar disease. This imaging technique identifies various pathologies, aiding in diagnosis and management of these critical blood vessels.
Area of Science:
- Vascular Ultrasound
- Neurosonology
- Diagnostic Imaging
Background:
- Vertebrobasilar disease poses significant risks, necessitating accurate diagnostic tools.
- Color-coded Doppler sonography offers a non-invasive method for evaluating the vertebral arteries.
Purpose of the Study:
- To assess the efficacy of color-coded Doppler sonography in visualizing vertebral arteries.
- To identify and characterize pathological findings in the vertebral arteries using this technique.
Main Methods:
- Color-coded Doppler sonography was performed on 86 patients with a history of vertebrobasilar disease.
- Visualization rates of different segments of the vertebral artery (origin, inter-transverse, atlas loop) were recorded.
- Pathological findings including hypoplasia, stenosis, dissection, occlusion, kinking, tumors, and subclavian steal syndrome were identified.
Main Results:
- High visualization rates were achieved for the inter-transverse portion (95% right, 97% left) and atlas loop (88.4% right, 84.9% left).
- The origin of the vertebral artery was visualized in 87.2% on the right and 70.9% on the left.
- Various pathologies were detected, with stenosis (n=19) and kinking (n=12) being most common, alongside other significant findings.
Conclusions:
- Color-coded Doppler sonography is a valuable tool for visualizing vertebral arteries and detecting a spectrum of pathologies in patients with vertebrobasilar disease.
- The study presents characteristic sonographic features of these findings, aiding in clinical diagnosis and management strategies.