使用年龄调整的D-Dimer与传统的D-Dimer来排除急性大动脉综合征
Jacob Nelson1, Divyani Patel2, Sylvia Kashat2
1Corewell Health East William Beaumont University Hospital, Royal Oak, MI.
The Journal of emergency medicine
|September 27, 2025
概括
根据年龄调整的D-二分体 (AADD) 在排除急性大动脉综合征 (AS) 方面表现有前途,其灵敏度与标准D-二分体 (DD) 相似. 需要进一步的研究来证实它在急诊室的实用性.
科学领域:
- 心血管医学 心血管医学
- 诊断成像 诊断成像 诊断成像
- 紧急医疗 紧急医疗
背景情况:
- 急性大动脉综合征 (AS) 是一种罕见的,危及生命的疾病,需要快速诊断.
- 随着诊断延迟,AS的死亡风险显著增加.
- 标准的DD测试有助于排除低风险患者的AS,但缺乏特异性.
研究的目的:
- 评估年龄调整的D-二次体 (AADD) 在排除AS的诊断效用.
- 将AADD性能与标准DD水平 (<500 ng/dL) 进行比较.
- 评估大动脉剖析检测风险评分 (ADD-RS) 与这些测试一起发挥的作用.
主要方法:
- 从2012年到2021年,对5818名急诊室患者进行了回顾性分析.
- 纳入标准:因疑似大动脉疾病而接受计算机断层扫描血管造影 (CTA) 的患者.
- 排除标准:怀孕,先前的大动脉解剖/修复,改变精神状态,年龄<18岁.
主要成果:
- 标准DD (<500 ng/dL) 对AS的敏感度为97.9%,特异性为72.7%.
- AADD显示了93.8%的灵敏度和78.1%的特异性.
- AADD对DD的敏感性相似,其特异性在统计学上显著增加 (p < 0.05).
结论:
- AADD为排除AS提供了一个潜在的有价值的工具,它提供了与DD相似的敏感性.
- 与标准DD测试相比,AADD可以提供更好的特异性.
- 建议进行进一步的前性试验,以验证AADD在临床实践中的作用,ADD-RS可能有助于此.
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