[Asymptomatic carotid stenosis at high risk of ipsilateral cerebro-vascular events]

Area of Science:

• Vascular Neurology
• Cerebrovascular Disease
• Diagnostic Imaging

Background:

• The optimal management strategy for asymptomatic carotid stenosis is not well-defined.
• Stenosis degree alone is insufficient to guide clinical decisions.
• Identifying patients at higher risk of ipsilateral stroke is crucial.

Purpose of the Study:

• To explore parameters beyond stenosis degree for assessing stroke risk in severe carotid stenosis.
• To evaluate the utility of advanced ultrasound techniques in risk stratification.

Main Methods:

• Utilized Duplex ultrasound and transcranial Doppler for comprehensive assessment.
• Evaluated hemodynamic risk factors: degree of stenosis, common carotid flow, MCA signal, and cerebral vasoreactivity.
• Assessed thrombo-embolic risk: stenosis echostructure, micro-embolic signals (HITS), and stenosis progression.

Main Results:

• Advanced ultrasound parameters provide a more detailed risk profile than stenosis degree alone.
• Hemodynamic and thrombo-embolic markers can be quantified using diagnostic ultrasound.
• These methods allow for monitoring of stenosis progression.

Conclusions:

• A multi-parameter approach using advanced ultrasound is valuable for managing asymptomatic carotid stenosis.
• This comprehensive evaluation aids in identifying patients with higher stroke risk.
• Improved risk stratification can potentially guide more personalized treatment strategies.