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目的:应用背向散射积分(IBS)技术测定不同年龄组颈动脉斑块的性质,判断其稳定性。方法:对40例中青年人(≤50岁)及66例老年人(>50岁)行彩色多普勒超声检查,测定颈动脉斑块的IBS值。结果:同年龄组颈动脉不同回声斑块相比较IBS值差异均显著,不同年龄组相同回声斑块相比较无明显差异。结论:应用IBS技术可以对颈动脉斑块进行定量分析,为预测颈动脉斑块的危险性提供重要信息。
OBJECTIVE: To determine the stability of carotid plaque in different age groups by backscatter integration (IBS). Methods: Color Doppler echocardiography was performed on 40 cases of young and middle-aged people (≤50 years old) and 66 elderly (≥50 years old). The IBS value of carotid artery plaque was measured. Results: There were significant differences in IBS between different echogenic patches of carotid artery in the same age group. There was no significant difference between the same echogenic patches in different age groups. Conclusion: The quantitative analysis of carotid artery plaque with IBS can provide important information for predicting the risk of carotid artery plaque.