標題: Quantification of the Tromner signs: a sensitive marker for cervical spondylotic myelopathy
作者: Chang, Chein-Wei
Chang, Kai-Yin
Lin, Swei-Ming
資訊管理與財務金融系 註:原資管所+財金所
Department of Information Management and Finance
關鍵字: Tromner sign;Neurological reflex;Neurophysiology;Cervical spondylotic myelopathy
公開日期: 1-六月-2011
摘要: The Tromner sign is commonly used as a clinical neurological examination for upper motor neuron lesions above the fifth or sixth cervical segments of the spinal cord. This study aims to assess and quantify the Tromner signs utilizing electrophysiological test, and correlate to the severity of cord compression in cervical spondylotic myelopathy (CSM). We enlisted 46 CSM patients, and 30 healthy persons as controls. Manual Tromner and Hoffmann signs were tested in all subjects. By using a self-designed instrument, we performed electrophysiological assessments for the Tromner signs in patients and controls. Parameters of conduction latencies and amplitude of muscle action potentials were measured and compared with the cord compression ratios in CSM patients. The results showed a greater diagnostic sensitivity for the quantified Tromner signs in comparison to those of manual Tromner signs and Hoffmann signs. We found a positive correlation between the amplitude of muscle action potentials obtained in the Tromner signs and the cord compression ratios in the patients with CSM. In conclusion, the Tromner signs can be measured by electrophysiological assessments. We demonstrate a new quantification method for an established neurological sign. Not only is Tromner sign a highly sensitive test in clinical neurological examination, the electrophysiological assessment of this sign can also serve as an objective marker for evaluation of the severity of cervical cord compression.
URI: http://dx.doi.org/10.1007/s00586-010-1681-6
http://hdl.handle.net/11536/23411
ISSN: 0940-6719
DOI: 10.1007/s00586-010-1681-6
期刊: EUROPEAN SPINE JOURNAL
Volume: 20
Issue: 6
起始頁: 923
結束頁: 927
顯示於類別:期刊論文


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