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超声检测颈总动脉内中膜厚度的操作者内及操作者间可重复性研究

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摘要 目的:探讨二维超声颈总动脉内-中膜厚度(intima-media thickness,IMT)测量的可重复性研究。方法:选取2019年6月—12月于我院行颈动脉超声健康检查的志愿者60名。其中男性26例,女性34例;年龄23~56岁,中位年龄38岁。选取两名经上级医师考核可独立进行超声检查的操作者(超声工作经验均≥2年)为受试对象行颈动脉超声检查,采集颈总动脉IMT数据。采用组内相关系数(intraclass correlation coefficient,ICC)评价操作者内及操作者间的可重复性,并绘制Bland-Altman散点图。结果:操作者内及操作者间的ICC系数分别为0.86(95%可信区间:0.78~0.92)及0.68(95%可信区间:0.51~0.79);Bland-Altman图均显示仅有1.7%(1/60)的点位于95%的一致性界限范围以外。结论:超声测量颈动脉IMT,操作者间的一致性程度好,可重复性高,能够为IMT测量值作为主要研究指标的可靠性提供论证依据。
出处 《影像研究与医学应用》 2021年第15期41-42,44,共3页 Journal of Imaging Research and Medical Applications
基金 惠州市科技专项《超声引导下颈6横突前结节入路星状神经节阻滞效果的研究》(2018Y240)。
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