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find Author "XURong-wei" 1 results
  • The Characteristics of Carotid Plaque in Patients with Carotid Atherosclerotic Stenosis and The Expression of Visfatin in Carotid Plaque

    ObjectiveTo study the characteristics of carotid atherosclerotic plaque and investigate the relationship between visfatin and plaque stabilization. Methodsfifty-six patients with carotid stenosis were divided into symptomatic group (n=31) and asymptomatic group (n=25) based on the clinical manifestation and onset time.All plaque specimens were stained with HE and Masson trichrome staining and studied pathologically.The plaques were grouped into stable and unstable plaques based on thickness of the fibrous cap and the area of lipid-rich core in the plaques.The expression of visfatin was detected by immunohistochemistry staining. Results①The proportion of unstable plaques were significantly higher in symptomatic group than in asymptomatic group (67.74% vs 36.00%, P < 0.05).②Compared with stable plaques, unstable plaques had thinner fibrous cap, larger lipid necrotic core, and higher proportion of hemorrhage: (49.87±8.75)μm vs (74.54±6.80)μm (P < 0.001), (65.63±12.97)% vs (31.81±5.13)% (P < 0.001), and 63.33% vs 30.77% (P < 0.05).③The integral optical density value of expressed visfatin in unstable plaques was significantly more than in stable plaques (84 165.47±9 183.12 vs 55 694.08±4 818.57, P < 0.001). ConclusionsThe plaque destabilization is closely related to the clinical symptoms of atherosclerosis.The thickness of fibrous cap, area of lipid-rich core, and hemorrhage play an important role in the plaque stabilization.The visfatin is related to atherogenesis and plaque destabilization.

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