修改后的医学研究委员会规模错误地将运动性呼吸困难分类为运动测试的人
David Gustafsson1,2, Viktor Elmberg1,2, Linus Schiöler3
1Department of Respiratory Medicine, Allergology and Palliative Medicine, Institution for Clinical Sciences in Lund, Lund University, Lund, Sweden.
ERJ open research
|December 28, 2023
概括
修改后的医学研究委员会 (mMRC) 问卷可能低估了患者的运动性呼吸困难和低运动能力. 低的mMRC分数并不排除在测试期间出现严重的喘息或减少运动能力.
科学领域:
- 心脏肺部医学 心脏肺部医学
- 临床运动生理学 临床运动生理学
背景情况:
- 炼性呼吸困难是心肺呼吸系统疾病的一个关键症状.
- 修改后的医学研究委员会 (mMRC) 问卷通常用于评估呼吸困难.
- 由于症状,mMRC可能低估了因症状而限制活动的个体的喘息.
研究的目的:
- 评估修改后的医学研究委员会 (mMRC) 调查问卷的能力,以检测高强迫性呼吸困难.
- 评估mMRC在增量周期运动测试 (IET) 中识别低运动能力的能力.
主要方法:
- 来自一项随机对照试验的数据的二次分析,该试验涉及被转诊IET的门诊患者.
- 参与者在IET之前填写了mMRC问卷.
- 通过博格尺度响应定义的异常喘息;通过参考方程定义的异常运动能力.
主要成果:
- 分析了92名参与者 (平均年龄59岁,61%是男性).
- mMRC ≥2显示了71%的高呼吸困难 (28%的灵敏度,93%的特异性) 的准确性.
- 低运动能力的准确性为64% (19%的灵敏度,88%的特异性).
结论:
- mMRC呼吸障碍量表显示,在IET期间,炼性呼吸困难和运动能力问题存在很大不足.
- 0-1的mMRC得分并不排除异常高的炼性呼吸困难或低的运动能力.
- 临床运动测试为这些患者提供了比单独的mMRC更全面的评估.
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