Intramuscular Neural Distribution of Adductor Pollicis Muscle Spasticity in Cadaver Model Regarding Botulinum Neurotoxin Treatment

PURPOSE: The adductor pollicis muscle is frequently targeted for botulinum neurotoxin injective treatment for spasticity. However, there are no injective guidelines for delivering injection to the muscle. MATERIALS AND METHODS: A method known as the modified Sihler’s method was used to stain the add...

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Detalles Bibliográficos
Autores principales: Yi, Kyu-Ho, Lee, Kang-Woo, Hwang, Yousun, An, Min Ho, Ahn, Hyo-Sang, Hu, Hyewon, Lee, Ji-Hyun, Lee, Hyung-Jin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Yonsei University College of Medicine 2023
Materias:
Original Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10462812/
https://www.ncbi.nlm.nih.gov/pubmed/37634635
http://dx.doi.org/10.3349/ymj.2023.0111
Descripción
Sumario:PURPOSE: The adductor pollicis muscle is frequently targeted for botulinum neurotoxin injective treatment for spasticity. However, there are no injective guidelines for delivering injection to the muscle. MATERIALS AND METHODS: A method known as the modified Sihler’s method was used to stain the adductor pollicis muscle in 16 specimens to reveal intramuscular neural distribution of the muscle. RESULTS: The most intramuscular neural distribution was located on 1/5 to 3/5 of the muscle regarding midline of 3rd metacarpal bone (0) to the base of the 1st proximal phalanx (5/5). The nerve entry point was mostly located on 0 to 1/5 of the muscle. CONCLUSION: The result suggests that botulinum neurotoxin should be delivered at the middle of second metacarpal bone via deep injection.

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