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双重超声检查可能导致动脉狭窄的错误分类

Raza Mushtaq¹, Summan Zahra², Scott French²

¹Department of Neuroradiology, Barrow Neurological Institute, Phoenix, AZ.

Journal of vascular surgery

|July 10, 2025

概括

冠状动脉双重超声波 (CDUS) 在32%的病例中错误分类了冠状动脉狭窄症的严重程度,这可能导致治疗不当. 建议使用高分辨率的MRI或CT血管造影来准确评估无症状的动脉疾病.

科学领域:

血管成像血管成像
诊断的准确性诊断的准确性
心血管疾病心血管疾病

背景情况:

冠状动脉双重超声波 (CDUS) 是评估冠状动脉疾病的主要工具.
由于技术人员的依赖和化容器,CDUS可能受到限制,影响可靠性.
准确的狭窄性评估对于管理中风风险至关重要.

研究的目的:

为了比较CDUS的准确性与高分辨率磁共振成像 (MRI) 在测量动脉狭窄的严重程度.
与参考标准 (MRI) 相比,评估CDUS的可变性和错误分类率.

主要方法:

123名参与者 (50-85岁) 患有无症状的动脉疾病或心血管风险因素.
使用高分辨率MRI (TOF和T1加权) 和临床CDUS来评估心血管狭窄.
使用NASCET标准对狭窄症的严重程度进行了分类,并使用科恩的卡帕 (κw) 测量了协议.

主要成果:

分析了 246 个动脉.
CDUS错误地分类了25%的严重 (70%-99%) 狭窄症,并高估了33%的动脉中轻度疾病.
对于检测≥70%的狭窄症,CDUS显示灵敏度为0.77和特异性为0.92,假阴性率为23%.

结论:

在这个队列中,CDUS错误地对32%的病例错误地分类了大脑动脉狭窄的严重程度.
过度依赖CDUS可能会导致对无症状动脉疾病的治疗决策不足.
建议使用高分辨率MR血管造影或CT血管造影来精确地分层狭窄.

关键词:

无症状的额外状动脉动脉样硬化的疾病.冠状动脉疾病是一种心脏病.冠状动脉双重超声波扫描冠状动脉双重超声波扫描带磁共振成像技术的研究.冠状动脉狭窄症冠状动脉狭窄

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