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Effects of prolonged repetitive stimulation of median, ulnar and peroneal nerves.
Muscle Nerve. 2010 Jun; 41(6):785-93.MN

Abstract

It is important to know the effects of prolonged repetitive nerve stimulation (RNS) when it is used in neurophysiological studies. RNS with up to 100 supramaximal stimuli was given to the median, ulnar, and peroneal nerves of normal subjects and the ulnar nerves of subjects with early amyotrophic lateral sclerosis (ALS), recording evoked compound muscle action potentials (CMAPs). In all nerves, there was a decline in the CMAP area and a decrease in CMAP duration. For the peroneal nerve there was a decline in the CMAP amplitude, but a similar decline was not seen in the median or ulnar nerves. Cooling of the muscles resulted in decrement of both the amplitude and area with RNS. In ALS subjects, CMAP amplitude and area both declined after RNS of the ulnar nerve. In this study we describe the changes in CMAP with prolonged RNS among commonly tested normal nerves. Our findings have important implications with regard to RNS.

Authors+Show Affiliations

Department of Neurology, Royal Brisbane and Women's Hospital, Queensland, Australia. fusun.baumann@uqconnect.edu.auNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

20169590

Citation

Baumann, Fusun, et al. "Effects of Prolonged Repetitive Stimulation of Median, Ulnar and Peroneal Nerves." Muscle & Nerve, vol. 41, no. 6, 2010, pp. 785-93.
Baumann F, Henderson RD, Tremayne F, et al. Effects of prolonged repetitive stimulation of median, ulnar and peroneal nerves. Muscle Nerve. 2010;41(6):785-93.
Baumann, F., Henderson, R. D., Tremayne, F., Hutchinson, N., & McCombe, P. A. (2010). Effects of prolonged repetitive stimulation of median, ulnar and peroneal nerves. Muscle & Nerve, 41(6), 785-93. https://doi.org/10.1002/mus.21604
Baumann F, et al. Effects of Prolonged Repetitive Stimulation of Median, Ulnar and Peroneal Nerves. Muscle Nerve. 2010;41(6):785-93. PubMed PMID: 20169590.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of prolonged repetitive stimulation of median, ulnar and peroneal nerves. AU - Baumann,Fusun, AU - Henderson,Robert D, AU - Tremayne,Fred, AU - Hutchinson,Nicole, AU - McCombe,Pamela A, PY - 2010/2/20/entrez PY - 2010/2/20/pubmed PY - 2010/7/8/medline SP - 785 EP - 93 JF - Muscle & nerve JO - Muscle Nerve VL - 41 IS - 6 N2 - It is important to know the effects of prolonged repetitive nerve stimulation (RNS) when it is used in neurophysiological studies. RNS with up to 100 supramaximal stimuli was given to the median, ulnar, and peroneal nerves of normal subjects and the ulnar nerves of subjects with early amyotrophic lateral sclerosis (ALS), recording evoked compound muscle action potentials (CMAPs). In all nerves, there was a decline in the CMAP area and a decrease in CMAP duration. For the peroneal nerve there was a decline in the CMAP amplitude, but a similar decline was not seen in the median or ulnar nerves. Cooling of the muscles resulted in decrement of both the amplitude and area with RNS. In ALS subjects, CMAP amplitude and area both declined after RNS of the ulnar nerve. In this study we describe the changes in CMAP with prolonged RNS among commonly tested normal nerves. Our findings have important implications with regard to RNS. SN - 1097-4598 UR - https://www.unboundmedicine.com/medline/citation/20169590/Effects_of_prolonged_repetitive_stimulation_of_median_ulnar_and_peroneal_nerves_ DB - PRIME DP - Unbound Medicine ER -