Abstract:
BACKGROUND AND PURPOSE:To clarify diagnostic entities in ischemic stroke we analyzed the relation between the severity of carotid atherosclerosis, coagulation parameters, lipoproteins, neurological status, and risk factors in 232 patients. METHODS:Duplex ultrasonography, computed tomography scan, and laboratory investigations were performed between the third and tenth days after stroke. Based on carotid ultrasound scores, we categorized the patients into four groups (A, B, C, and D) according to severity of atherosclerosis. Corresponding laboratory variables and clinical data were statistically analyzed. RESULTS:Ultrasound scores were significantly (P < .05) higher in the male (n = 126) versus female (n = 106) patients. The hematocrit was significantly higher and thrombin time was significantly shorter in the male group compared with the female group. Severe atherosclerosis (group C) and occlusion (group D) of the internal carotid artery was associated with smoking (C = 56%; D = 78%), hypertension (C = 43%; D = 35%), claudication (C = 13%; D = 5%), and antecedent myocardial infarction (C = 9%; D = 13%). There was no statistical correlation between ultrasound scores and the patients' neurological condition. Cholesterol and plasma fibrinogen levels were significantly higher and high-density lipoprotein cholesterol was significantly lower in groups with severe atherosclerosis compared with patients with slight intimal damage. The presence of multiple plaques or thrombosis of the internal carotid artery was concordant with the prevalence of single cerebral infarcts. CONCLUSIONS:Severity of carotid atherosclerosis corresponded well with the following factors: age, smoking, and low concentration of high-density lipoprotein cholesterol. Elevation of plasma fibrinogen combined with a loss of high-density lipoprotein cholesterol is strongly associated with severe atherosclerosis and results in brain infarction.
journal_name
Strokejournal_title
Strokeauthors
Szirmai IG,Kamondi A,Magyar H,Juhász Cdoi
10.1161/01.str.24.12.1811subject
Has Abstractpub_date
1993-12-01 00:00:00pages
1811-6issue
12eissn
0039-2499issn
1524-4628journal_volume
24pub_type
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