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July 1, 1989Australian and New Zealand Journal of Surgery

Carotid Artery Atheroma: Ultrasound Appearance in Symptomatic and Asymptomatic Vessels

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Why the study?

Does the ultrasound appearance of carotid plaque differ between symptomatic and asymptomatic vessels?

Population

226 patients, comprising 134 with unilateral carotid territory symptoms who subsequently underwent…

Comparison

Duplex ultrasound evaluation of carotid plaque… vs Comparison between symptomatic vessels…

Design

Cross-sectional

Authors

CSChristina M. SteffenAGA. C. Gray‐wealedKBK. Byrne

Discussion

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Overview

Echolucent plaques may flag symptomatic carotid disease on ultrasound; hypothesis-generating for prospective risk prediction before any practice change.

Structured PICO

Does the ultrasound appearance of carotid plaque differ between symptomatic and asymptomatic vessels?

P
Population
226 patients, comprising 134 with unilateral carotid territory symptoms who subsequently underwent endarterectomy of the symptomatic carotid bifurcation, and 92 asymptomatic patients.
I
Intervention
Duplex ultrasound evaluation of carotid plaque appearance (classified as types 1-4)
C
Comparator
Comparison between symptomatic vessels (n=134), asymptomatic contralateral vessels in symptomatic patients (n=134), and asymptomatic vessels in asymptomatic patients (n=184)
O
Outcome
Distribution of carotid plaque ultrasound appearance (types 1-4)surrogate

Echolucent carotid plaques (types 1 and 2) on duplex ultrasound are significantly associated with symptomatic carotid territory disease compared to asymptomatic vessels.

Cite This Study

Steffen et al. (1989) studied this question.

synapsesocial.com/papers/6a7c090e169fe1af7cc29e2ahttps://doi.org/10.1111/j.1445-2197.1989.tb01625.x
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The natural history of carotid arterial disease in asymptomatic patients with cervical bruits.1984 · 534 citations
  2. 2Carotid Artery Stenosis—Hemodynamic Significance and Clinical Course1981 · 104 citations
  3. 3Duplex Ultrasonography, Digital Subtraction Angiography, and Conventional Angiography in Assessing Carotid Atherosclerosis1984 · 47 citations
  4. 4Stenosis Following Carotid Endarterectomy1984 · 37 citations
  5. 5Duplex ultrasound imaging: vascular applications.1984 · 53 citations