Radiologic Importance of High-Resistive Vertebral Artery Doppler Waveform on Carotid Duplex Ultrasonography
نویسندگان
چکیده
منابع مشابه
Radiologic importance of a high-resistive vertebral artery Doppler waveform on carotid duplex ultrasonography.
OBJECTIVE The appearance of the vertebral artery (VA) waveform on a pulsed Doppler examination performed during standard carotid duplex ultrasonography (CDU) may suggest vertebrobasilar disease. We sought to determine the radiographic importance of high-resistive (HR) pulsed Doppler VA waveforms seen on CDU. METHODS The Noninvasive Vascular Laboratory database was queried for CDU studies noti...
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OBJECTIVES Vertebrobasilar stenosis is frequent in patients with posterior circulation stroke and it increases risk of recurrence. We investigated feasibility of duplex ultrasonography (DUS) for screening for extracranial vertebral artery stenosis and compared it with CT angiography (CTA). MATERIALS AND METHODS We gathered data on 337 consecutive patients who had DUS because of posterior circ...
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background: pulse wave velocity (pwv) is widely used for estimating the stiffness of an artery. v arious invasive and non-invasive methods have been developed to determine pwv over the years. in the present research , the non-invasive estimation of the pwv of large arteries was used as an index for arterial stiffness. methods: a dynamic model based on the navier-stokes equations coupled to elas...
متن کاملVertebral artery occlusion in duplex color-coded ultrasonography.
BACKGROUND AND PURPOSE To establish the diagnostic criteria for the site of occlusion in the vertebral arteries (VAs) using duplex color-coded ultrasonography. METHODS In 128 consecutive patients who underwent conventional cerebral angiography, we prospectively measured the diameter, mean flow velocity (MV), peak systolic flow velocity, and end-diastolic flow velocity of both VAs. The diamete...
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OBJECTIVES to establish on a national basis whether the diagnostic accuracy of carotid duplex justifies carotid surgery without preoperative angiography. DESIGN prospective national multicentre study with 10 participating university and county hospitals. MATERIAL AND METHODS one hundred and thirty-four patients, aged 69+/-9 years, were subjected to routine carotid duplex ultrasonography and...
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ژورنال
عنوان ژورنال: Journal of Vascular Surgery
سال: 2010
ISSN: 0741-5214
DOI: 10.1016/j.jvs.2010.10.080