| Citation: |
GAO Xue, WANG Yonghuai, WANG Yao, LIANG Jie, WEI Fengying, LOU Zhe. Diagnostic value of Gray-Weale classification in symptomatic carotid plaque[J]. Journal of Clinical Medicine in Practice, 2022, 26(13): 41-44. DOI: 10.7619/jcmp.20220075
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To investigate the distribution characteristics and clinical application value of Gray-Weale (GW) classification of symptomatic carotid plaque.
Sixty inpatients with carotid artery bifurcation atherosclerosis (AS) plaques undergoing carotid doppler ultrasonography were randomly selected. Patients were divided into symptomatic group (n=32) and asymptomatic group (n=28) according to whether they had experienced an ischemic cerebrovascular event within 6 months. The GW classification of patients'plaques was analyzed. Carotid artery bifurcation plaque thickness, plaque length and the number of plaque were evaluated by ultrasound.
A total of 60 carotid bifurcation plaques were analyzed by GW classification, 32 plaques in symptom group, including 6 with typeⅠ, 17 with type Ⅱ, 7 with type Ⅲ, and 2 with type Ⅴ; there were 28 plaques in asymptomatic group, including 2 plaques in type Ⅰ, 7 plaques in type Ⅱ, 17 plaques in type Ⅲ, 2 plaques in type Ⅳ. There was statistically significant difference between the two groups in GW classification (P < 0.05). The plaque thickness in the symptomatic group was significantly higher than that in the asymptomatic group (P < 0.05). There was a negative correlation between plaque GW classification and plaque thickness (r=-0.53, P < 0.01). Cohen's Kappa consistency test results showed that Cohen's Kappa coefficient was 0.874 (95%CI, 0.766 2 to 0.981 8, P < 0.001).
GW plaque classification has good stability and repeatability in evaluating echo characteristics of carotid atherosclerotic plaques. Plaque GW classification can be used as an effective method to screen symptomatic carotid plaque.
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