Atherosclerotic carotid artery disease in patients with retinal ischemic syndromes.

Abstract:

:The extracranial carotid systems of 105 patients with retinal ischemia were examined using B-mode ultrasonography with integrated pulsed Doppler. Sixty-four patients had amaurosis fugax (AF), 17 central retinal artery occlusions (CRAO), and 21 branch retinal artery occlusions (BRAO). The prevalence of carotid stenosis (greater than or equal to 60%) ipsilateral to the symptomatic eye was low (16%). Eighty-six percent of AF patients had either no plaque causing less than a 60% stenosis. A significant proportion of subjects with normal duplex scans had alternative explanations for their retinal ischemia (eg, migraine, cardiac embolus). Patients with Hollenhorst plaques were more likely to have stenotic or ulcerated plaque (p = 0.04). The degree of carotid stenosis correlated significantly with the number of vascular risk factors identified in individual patients (p = 0.02). The presence of risk factors was more common in CRAO and BRAO patients compared with the AF group. Combined ultrasound-Doppler investigations of the carotid bifurcation are valuable noninvasive tools for the screening of patients with retinal ischemia.

journal_name

Neurology

journal_title

Neurology

authors

Chawluk JB,Kushner MJ,Bank WJ,Silver FL,Jamieson DG,Bosley TM,Conway DJ,Cohen D,Savino PJ

doi

10.1212/wnl.38.6.858

subject

Has Abstract

pub_date

1988-06-01 00:00:00

pages

858-63

issue

6

eissn

0028-3878

issn

1526-632X

journal_volume

38

pub_type

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