tailieunhanh - Results of stimulated sfemg which use data of region of motor points of the extensor digitorum communis muscle in Vietnamese

Objectives: To compare the results of stimulated SFEMG which use data of region of motor points of the extensor digitorum communis (EDC) muscle in Vietnamese. Subjects and methods: 63 subjects were enrolled in the study, in which 32 subjects performed with stimulating SFEMG in EDC muscles with new method and 31 subjects were with the classic method. | Journal of military pharmaco-medicine n08-2017 RESULTS OF STIMULATED SFEMG WHICH USE DATA OF REGION OF MOTOR POINTS OF THE EXTENSOR DIGITORUM COMMUNIS MUSCLE IN VIETNAMESE Le Tu Quoc Tuan*; Nguyen Van Chuong** SUMMARY Objectives: To compare the results of stimulated SFEMG which use data of region of motor points of the extensor digitorum communis (EDC) muscle in Vietnamese. Subjects and methods: 63 subjects were enrolled in the study, in which 32 subjects performed with stimulating SFEMG in EDC muscles with new method and 31 subjects were with the classic method. Results: For classic method, mean MCD = ± and ± for new method, p = . It showed that the MCD values obtained to diagnose myasthenia gravis (MG) in the usage of new method were more stable than when using classic method. On the other hand, the time to finish a stimulating SFEMG in the new method was shorter but in classic method, electric intensity was smaller. It needs to have larger data to confirm the efficacy of this new method in improving stimulated SFEMG technique of EDC muscle, which is one of the current challenges in clinical medicine. * Keywords: Simulated SFEMG; Myasthenia gravis; Extensor digitorum communis. INTRODUCTION Single-fiber EMG is the most sensitive electrophysiological method for the determination of neuromuscular dysfunction especially in mild cases (ocular MG) and provides an extremely sensitive assessment of the function of single neuromuscular junctions in situ. However, substitute disposable concentric needle electrode (CNE) for special single fiber needle to record single-fiber potentials, electromyographers get some technical difficulties. One of the two methods of performing the technique of single fiber EMG is stimulated SFEMG. The principle of this technique is to place a stimulating electrodes (needle electrodes or disc electrodes) so that it is close to the end plate of the motor nerve that innervate the muscles (usually the obicularis .

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