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Carotid Doppler Ultrasound

Stenosis and plaque assessment in neck vessels and stroke risk determination.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Radyoloji department. Book Appointment →

What is Carotid Doppler Ultrasound?

Carotid Doppler ultrasonography is a non-invasive, radiation-free imaging method that provides anatomical and hemodynamic evaluation of the internal and external carotid arteries. Plaque morphology is evaluated with B-mode, flow direction with color Doppler, and flow velocities with spectral Doppler.

Stenosis degree is calculated with NASCET and ECST criteria: peak systolic velocity (PSV) >125 cm/s indicates >50% and PSV >230 cm/s indicates >70% narrowing. Intima-media thickness (IMT) shows subclinical atherosclerosis.

It is used in carotid evaluation after stroke and TIA, asymptomatic carotid bruit, screening in patients with coronary artery disease, and follow-up before-after carotid endarterectomy/stenting.

Symptoms

Having had a TIA or stroke
Carotid bruit on auscultation
Coronary artery disease (accompanying carotid stenosis)
Peripheral arterial disease
Presence of cardiovascular risk factors

Risk Factors

No specific risk for the examination (non-invasive and radiation-free)
Operator dependence (requires experienced radiologist)
Heavily calcified plaque can reduce ultrasound penetration
Technical difficulty in tortuous or high-bifurcation arteries

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Urgent evaluation after experiencing a TIA or stroke
  • When carotid bruit is detected on physical examination
  • In follow-up of known carotid stenosis
  • Before coronary bypass or major vascular surgery

Treatment Methods

01
B-mode, color Doppler, and spectral Doppler evaluation
02
Peak systolic velocity (PSV) and end-diastolic velocity measurements
03
Intima-media thickness (IMT) measurement
04
Plaque morphology and surface irregularity evaluation
05
Confirmation with CT/MR angiography according to stenosis degree

Which Department to Visit?

You can visit our Radyoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.