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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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实地测试短暂缺血性发作的明确诊断标准:一个诊断准确性研究.

Adrian Scutelnic1, Seraina Michèle Auf der Maur1, Mattia Branca2

  • 1Department of Neurology, Inselspital, University Hospital Bern, University of Bern, Freiburgstrasse, 3010, Bern, Switzerland.

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暂时性缺血性攻击 (TIA) 的新诊断标准可能会错过一些中风病例. 一个经过修改的工具更具特异性,但不那么敏感,强调需要更好的方法来区分TIA和偏头痛光环.

关键词:
偏头痛的光环,就是偏头痛.准确度 准确度 准确度 准确度 准确度缺血性中风 中风球队的成绩 球队的成绩 球队的成绩过渡性缺血性攻击是短暂的

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科学领域:

  • 神经学 神经学
  • 诊断医学 诊断医学 诊断医学
  • 神经科学是一个神经科学.

背景情况:

  • 暂时性缺血性发作 (TIA) 的诊断是具有挑战性的,特别是将其与偏头痛分开.
  • 最近提出的TIA明确诊断标准 (EDCT) 假设偏头痛光环样症状是TIA的非典型症状.
  • 在被证实患有缺血性中风的患者中,偏头痛类症状出乎意料地常见.

研究的目的:

  • 实地测试EDCT用于区分脑梗塞的短暂神经症状和偏头痛光环的症状.
  • 评估原始和修改EDCT标准的准确性.

主要方法:

  • 横截面研究,比较图像确认脑梗塞患者与偏头痛与光环患者的EDCT表现 (国际头痛疾病分类第三版标准).
  • 计算了原始和修改EDCT的灵敏度,特异性,正预测值和负预测值.
  • 用后勤回归来计算曲线下的面积,调整以年龄和性别为准.

主要成果:

  • 该研究包括59名脑梗塞患者和324名偏头痛患者.
  • 原始EDCT:90%的灵敏度,77%的特异性检测TIA与心脏病发作.
  • 修改EDCT:81%的灵敏度,97%的特异性检测TIA与心脏病发作.

结论:

  • 原始和修改的EDCT标准都可能错过由于脑梗塞导致过渡性症状的患者 (分别为10分之一和5分之一).
  • 修改后的EDCT具有更高的特异性,但对于检测缺血事件的敏感性较低.
  • 需要进一步的研究,以确定最佳的临床标记,可靠地区分TIA和偏头痛.