Objectives To compare the capacity of superb micro-vascular imaging (SMI) and contrast-enhanced ultrasonography (CEUS) in the display of neovascularization within carotid artery plaque and to evaluate the value of SMI in the assessment of carotid plaque. Methods 60 patients with carotid atherosclerotic plaques admitted in Erdos Central Hospital from January 2014 to August 2015 were chosen. All the patients were examined by routine ultrasonography, SMI and CEUS, and the detection sensitivity of the micro blood lfow in the plaques were compared. Results The sensitivity of SMI and CEUS in detection of new blood vessels in the plaques were similar. Conclusion SMI is a convenient and effective technique for detecting carotid artery plaque in carotid artery.%目的：比较超微血管成像（superb micro-vascular imaging，SMI）及超声造影（contrast-enhanced ultrasonography，CEUS）技术显示颈动脉斑块内新生血管的能力，探讨SMI评估颈动脉斑块的价值。方法选择2014年1月至2015年8月鄂尔多斯市中心医院诊断的60例颈动脉粥样硬化斑块患者，均行颈动脉常规超声检查、SMI及CEUS检查，比较3种方法显示斑块内微血流的敏感度。结果 SMI与CEUS检测斑块内新生血管的敏感度接近，具有极强的一致性。结论 SMI是检测颈动脉斑块内新生血管便捷、有效的技术，对评估颈动脉斑块具有重要价值。
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