NEJM:冰敷试验与重症肌无力-案例报道

2016-11-13 MedSci MedSci原创

患者男性,68岁,近日出现左眼上睑下垂症状。神经系统检查发现,其左眼上睑下垂,并持续向上凝视(如图A)。而其眼外肌的运动是正常的。会诊医师对其左眼部位进行冰敷试验(如图B),2分钟后上睑下垂症状明显有所改善,表明试验结果为阳性(如图C)。因此,初步怀疑为重症肌无力眼肌麻痹。此外,实验室检查发现了抗乙酰胆碱受体抗体的存在和电生理测试的结果进一步地表明神经重复刺激递减反应。在本案例中,冰敷试验可作为诊

患者男性,68岁,近日出现左眼上睑下垂症状。




神经系统检查发现,其左眼上睑下垂,并持续向上凝视(如图A)。而其眼外肌的运动是正常的。

会诊医师对其左眼部位进行冰敷试验(如图B),2分钟后上睑下垂症状明显有所改善,表明试验结果为阳性(如图C)。因此,初步怀疑为重症肌无力眼肌麻痹。

此外,实验室检查发现了抗乙酰胆碱受体抗体的存在和电生理测试的结果进一步地表明神经重复刺激递减反应。

在本案例中,冰敷试验可作为诊断重症肌无力眼肌麻痹导致上睑下垂的一种辅助手段。目前临床上发现,降低肌肉温度可抑制乙酰胆碱酯酶活性。

最后,该患者遵医嘱应用吡啶斯的明药物进行治疗,不久其上睑下垂症状明显有所改善。

原始出处:

Wendy W. Liu, M.D., Ph.D.Adam Chen, M.D.Diagnosing Myasthenia Gravis with an Ice PackN Engl J Med .November 10, 2016.


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    2017-01-18 1e14faebm51(暂无匿称)

    又学习咯

    0

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    2016-12-18 一个尘埃

    长见识

    0

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