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2007•Inner Mongolia Medical JournalRequires access

Analysis of Electromyographical Study in Patient With Guillian-Barre Syndrome

WU He-hu

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Abstract

Objective:To investigate the electroneuographical characteristics in patients with Guillian-Barre Syndrome(GBS).Method: EMG,MCV,F wave,and SCV were determined in 22 patients with GBS diagnosed clinically.A total of 78 motor nerves,52 sensory nerves,47 F waves and 62 muscles were measured,and the results were analyzed.Results: In the 78 motor nerves examined,reduction of MCV was found in 44.8% of upper and lower limbs,prolongation of the distal latency in 24.3%,reduction of SCV in 38.1%,F waves abnormality in 89.3%,and the neurogenic changes revealed by EMG were found in 64.5%.Conclusion: GBS might result in widespread peripheral nerve damages.The occurrence rate of abnormal F waves was obviously higher than that of MCV,and examining both F waves and MCV simultaneously might be much helpful for each other in diagnosing GBS.

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What this paper is about

Objective:To investigate the electroneuographical characteristics in patients with Guillian-Barre Syndrome(GBS).Method: EMG,MCV,F wave,and SCV were determined in 22 patients with GBS diagnosed clinically.A total of 78 motor nerves,52 sensory nerves,47 F waves and 62 muscles were measured,and the results were analyzed.Results: In the 78 motor nerves examined,reduction of MCV was found in 44.8% of upper and lower limbs,prolongation of the distal latency in 24.3%,reduction of SCV in 38.1%,F waves abnormality in 89.3%,and the neurogenic changes revealed by EMG were found in 64.5%.Conclusion: GBS might result in widespread peripheral nerve damages.The occurrence rate of abnormal F waves was obviously higher than that of MCV,and examining both F waves and MCV simultaneously might be much helpful for each other in diagnosing GBS.

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Available abstract

Objective:To investigate the electroneuographical characteristics in patients with Guillian-Barre Syndrome(GBS).Method: EMG,MCV,F wave,and SCV were determined in 22 patients with GBS diagnosed clinically.A total of 78 motor nerves,52 sensory nerves,47 F waves and 62 muscles were measured,and the results were analyzed.Results: In the 78 motor nerves examined,reduction of MCV was found in 44.8% of upper and lower limbs,prolongation of the distal latency in 24.3%,reduction of SCV in 38.1%,F waves abnormality in 89.3%,and the neurogenic changes revealed by EMG were found in 64.5%.Conclusion: GBS might result in widespread peripheral nerve damages.The occurrence rate of abnormal F waves was obviously higher than that of MCV,and examining both F waves and MCV simultaneously might be much helpful for each other in diagnosing GBS.

Key concepts: Medicine, Guillain-Barre syndrome, Abnormality, Peripheral, Latency (audio), Internal medicine, Anesthesia, Pediatrics

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