Electrophysiology in neuromuscular disease

Cuddon, Paul A.

doi:10.1016/s0195-5616(03)00079-2

Cited by 89 publications

(105 citation statements)

References 30 publications

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“…This can be a consequence of surface versus subcutaneous recording (much better reproducibility of amplitude and duration of the compound muscle action potential with surface recording electrodes). In addition, we confirmed lower CMAP amplitudes from stimulation at the proximal site which had been previously described (Cuddon 2002). The values of CMAP duration were similar to those published before (3.0 ms against 3.4 to 4.5 ms; Lee and Bowen 1970;Walker et al 1979;van Nes and van Den Brom 1986).…”

Section: Discussionsupporting

confidence: 91%

Electroneurography of the ulnar nerve in dogs

et al. 2014

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Electroneurography as one of the electrodiagnostic techniques is used to measure the speed of action potential which is propagated down the nerve after stimulation. It gives information about normal functioning of the peripheral nerves. The aim of this study was to evaluate the applicability of a new electroneurographic technique by performing motor nerve conduction velocity measurements in the ulnar nerve with surface stimulating electrodes in healthy dogs, to correlate the obtained data by age, limb length, rectal temperature, and sex; and to compare these results with published findings utilizing needle stimulating electrodes. The study was performed in 24 clinically healthy dogs without anaesthesia. Rectal temperatures and limb lengths were measured in all individuals. There were significant correlations among several indicators (age, rectal temperature, limb length, conduction velocity, latency and duration of compound muscle action potentials). Limb length was found to have a significant effect on the duration of the compound muscle action potential from both stimulation sites (proximal/distal; r = 0.71, r = 0.68, P < 0.01), but there was no effect on the conduction velocity or amplitude of the action potentials. There was no significant difference (P > 0.05) in the measured indicators between males and females, even though females had a higher mean conduction velocity than males. These results prove that conduction velocity measurements in dogs could be performed non-invasively, without a danger of infection or haematomas or complications with anaesthesia, which is more favourable and time-saving for clinical practice, and more comfortable for patients.

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Section: Discussionsupporting

confidence: 91%

Electroneurography of the ulnar nerve in dogs

et al. 2014

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“…Foot withdrawal and vocalization were recorded as positive responses indicative of recovery. 11,35 The right intact hindpaw of the same animal served as control.…”

Section: Methodsmentioning

confidence: 99%

“…The area is most accurate in reflecting the number of available functioning axons. 35 Therefore, the AUC can be used to calculate the AxL 33 for comparison to the contralateral control nerve.…”

Section: Methodsmentioning

confidence: 99%

Evaluation of periodic electrodiagnostic measurements to monitor motor recovery after different peripheral nerve lesions in the rat

et al. 2011

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“…In contrast, the first deflection of the H-reflex was negative and its shape was diphasic in both limbs in our study. The shape, amplitude, and latency of the canine H-reflex can be variable from trial to trial, unlike in human H-reflexes studies (20). Besides, the canine H-reflex can be abolished in deep anesthesia (21).…”

Section: Discussionmentioning

confidence: 99%

H-reflex and M-wave studies in the fore- and hindlimbs of rabbit

Turan¹,

Ünsal²,

Üner³

2013

Turk J Vet Anim Sci

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The aim of this study was to investigate the H-reflex in the forelimb and to compare the forelimb and hindlimb H-reflex results and Hmax/Mmax ratios in rabbit. For this purpose, we used 15 healthy adult female New Zealand albino rabbits. Left limbs of rabbits were used for stimulation and recording procedures using general anesthesia. Electrophysiological tests were performed using Nikolet Viking Quest (USA) 2-channel EMG equipment. The median and the tibial nerves were used to evaluate H-reflex and M-waves. Latencies of the H-reflex were almost the same in both limbs. However, M-wave latencies and amplitudes were significantly different, P-values being P < 0.001 and P = 0.001, respectively. Hmax/Mmax ratios of the forelimb (0.15 ± 0.075) and the hindlimb (0.15 ± 0.068) were similar in rabbits. One possible reason for our Hmax/Mmax ratio results may be related to interspecies differences in descending pathways from red nucleus and reticular formation to cervical and lumbar spinal segments.

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Electrophysiology in neuromuscular disease

Cited by 89 publications

References 30 publications

Electroneurography of the ulnar nerve in dogs

Electroneurography of the ulnar nerve in dogs

Evaluation of periodic electrodiagnostic measurements to monitor motor recovery after different peripheral nerve lesions in the rat

H-reflex and M-wave studies in the fore- and hindlimbs of rabbit

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