期刊
CLINICAL NEUROPHYSIOLOGY
卷 127, 期 2, 页码 1657-1663出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.clinph.2015.06.032
关键词
Nerve ultrasonography; Immune-mediated neuropathy; Spinal nerves; Vagus nerve; Guillain-Barre syndrome
Objective: To investigate cross-sectional areas (CSAs) of several peripheral nerves including the vagus nerve and the diameter of spinal nerves as measured by nerve ultrasound (NUS) and nerve conduction studies (NCS) in Guillain-Barre syndrome (GBS) patients over at least six months compared to healthy controls. Methods: NUS and/or NCS of several nerves, the vagus nerve, and the 5th/6th cervical spinal nerves were performed in patients with GBS at days 2-3 after symptom onset, at days 10-14 after immunoglobulin therapy and after six months compared to healthy controls. Results: 27 GBS-patients and 31 controls were included. Using NUS significant enlargement was found in all measured nerves (P < 0.001), except the sural nerve (P = 0.086) compared to the controls at onset. The vagus (median 3.0 mm(2) vs. 2.0 mm(2), P < 0.0001) and the cervical spinal nerves were significantly enlarged (median 3.5/4.0 mm vs. 2.6/3.2 mm, p < 0.0001), the vagus most obviously in patients with autonomic dysregulation (AD, 4.0 mm(2)). Six months later, NCS showed persisting pathology in CMAP-amplitudes with amelioration of F-wave pathology. NUS showed restitution in the spinal nerves (median 2.6/3.2 mm) and the vagus (median 2.0 mm(2)) in all patients excluding the vagus in those with persistent AD (median 4.0 mm(2)). The peripheral nerves did not change significantly (P > 0.05). Conclusion: Ultrasonographic detection of cervical spinal nerve enlargement supports the diagnosis of GBS in the early phase. Its regression may be a good parameter for the clinical restitution over time. Vagus enlargement may be a risk marker for development of AD. Significance: Ultrasound is a reliable diagnostic follow-up tool in early GBS. (C) 2015 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved.
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