相信自己的直觉? 评估非专家胃超声波的表现 - - 一项前性观察队列研究
Sarah Baumann1, Firmin Kamber2, Thierry Girard3
1Faculty of Medicine, University of Basel, Basel, Switzerland.
医学学生可以准确地识别一个充满的胃使用胃超声波培训后. 然而,识别空腹的特异性很低,这表明需要进一步集中训练.
科学领域:
- 麻醉学 麻醉学
- 医学教育 医学教育
- 诊断成像 诊断成像 诊断成像
背景情况:
- 胃吸收是麻醉期间的重大风险,导致严重的后果.
- 胃超声波是评估患者禁食状态的验证方法.
- 经验不丰富的检查人员对胃超声波的疗效的证据有限.
研究的目的:
- 为了评估胃超声波在确定禁食状态时的准确性,当医学学生经过标准化培训后进行时.
- 为了评估胃超声波的可靠性,在一个受控的环境中,对没有经验的检查员进行测试.
主要方法:
- 一项前性观察队列研究,涉及5名医学学生,对志愿者进行80次胃超声检查.
- 标准化的培训包括在线模块,讲座和实践练习.
- 志愿者被随机分为禁食,非禁食 (流体) 和非禁食 (固体) 组;检查人员对状态视而不见.
主要成果:
- 缺乏经验的检查员在识别非禁食者时达到100%的灵敏度.
- 确定禁食个体的特异性为55%,负预测值为100%.
- 评价者间可靠性的总体类内相关系数 (ICC) 为0.72.
结论:
- 医学学生可以准确地识别一个充满的胃使用胃超声波后培训.
- 识别空腹的低特异性表明需要加强培训,专注于识别空腹的超声波特征.
- 在培训中进一步改进可能会提高胃超声波的临床效用,以排除空腹.
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