Patency and flow velocity profiles in the internal carotid artery assessed by digital subtraction angiography and Doppler studies three months following endarterectomy.

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Why the study?

What are the patency rates and flow velocity profiles assessed by Doppler and angiography three months after carotid endarterectomy?

Population

55 patients who underwent a total of 60 carotid endarterectomies (5 patients operated on both sides)

Design

Cohort

Follow-up

3 months

Authors

Discussion

Early patency appears high with frequent Doppler changes; leaves open prognostic value for surveillance protocols.

What are the patency rates and flow velocity profiles assessed by Doppler and angiography three months after carotid endarterectomy?

Population

55 patients who underwent a total of 60 carotid endarterectomies (5 patients operated on both sides)

Intervention

Pulsed Doppler spectral analysis and intravenous digital subtraction angiography

Outcome

Patency, re-stenosis, occlusion, spectral spreading of the Doppler signal, and wall irregularities in the internal carotid arterysurrogate

Three months after carotid endarterectomy, re-stenosis is rare, though spectral spreading and wall irregularities are frequently observed on imaging.

Russell et al. (1986) studied this question.

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