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Exploring the effect of the nerve conduction distance on the MScanFit method ofmotor unit number estimation (MUNE).
Boran, H Evren; Alaydin, Halil Can; Arslan, Ilker; Kocak, Ozlem Kurtkaya; Kilinc, Hasan; Cengiz, Bulent.
Afiliación
  • Boran HE; Department of Neurology, Faculty of Medicine, Gazi University, Ankara, Turkey; Department of Neurology, Section of Clinical Neurophysiology, Faculty of Medicine, Gazi University, Ankara, Turkey; Neuroscience and Neurotechnology Center of Excellence, Ankara, Turkey. Electronic address: evrenboran@gaz
  • Alaydin HC; Department of Neurology, Section of Clinical Neurophysiology, Faculty of Medicine, Gazi University, Ankara, Turkey.
  • Arslan I; Department of Neurology, Faculty of Medicine, Gazi University, Ankara, Turkey.
  • Kocak OK; Department of Neurology, Section of Clinical Neurophysiology, Faculty of Medicine, Gazi University, Ankara, Turkey.
  • Kilinc H; Neuroscience and Neurotechnology Center of Excellence, Ankara, Turkey.
  • Cengiz B; Department of Neurology, Faculty of Medicine, Gazi University, Ankara, Turkey; Department of Neurology, Section of Clinical Neurophysiology, Faculty of Medicine, Gazi University, Ankara, Turkey; Neuroscience and Neurotechnology Center of Excellence, Ankara, Turkey.
Neurophysiol Clin ; 54(5): 102991, 2024 Sep.
Article en En | MEDLINE | ID: mdl-38970866
ABSTRACT

OBJECTIVE:

MScanFit motor unit number estimation (MUNE) is a sensitive method for detecting motor unit loss and has demonstrated high reproducibility in various settings. In this study, our aim was to assess the outputs of this method when the nerve conduction distance is increased.

METHODS:

MScanFit recordings were obtained from the abductor digiti minimi muscle of 20 healthy volunteers. To evaluate the effect of nerve conduction distance, the ulnar nerve was stimulated from the wrist and elbow respectively. Reproducibility of MUNE, compound muscle action potential (CMAP), and other motor unit parameters were assessed using intraclass correlation coefficients (ICCs).

RESULTS:

Motor unit numbers obtained from stimulation at the wrist and elbow did not significantly differ and exhibited strong consistency in the ICC test (120.3 ± 23.7 vs. 118.5 ± 27.9, p > 0.05, ICC 0.88). Similar repeatability values were noted for other parameters. However, the Largest Unit (%) displayed notable variability between the two regions and exhibited a negative correlation with nerve conduction distance.

CONCLUSION:

Our findings indicate that MScanFit can consistently calculate motor unit numbers and most of its outputs without substantial influence from nerve conduction distance. Exploring MScanFit's capabilities in various settings could enhance our understanding of its strengths and limitations for extensive use in clinical practice.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Nervio Cubital / Potenciales de Acción / Músculo Esquelético / Neuronas Motoras / Conducción Nerviosa Límite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Neurophysiol Clin Asunto de la revista: FISIOLOGIA / NEUROLOGIA Año: 2024 Tipo del documento: Article Pais de publicación: Francia
Texto completo
Añadir a Mi BVS
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Nervio Cubital / Potenciales de Acción / Músculo Esquelético / Neuronas Motoras / Conducción Nerviosa Límite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Neurophysiol Clin Asunto de la revista: FISIOLOGIA / NEUROLOGIA Año: 2024 Tipo del documento: Article Pais de publicación: Francia