Characterization of Muscle Weakness Due to Myasthenia Gravis Using Shear Wave Elastography.
biceps brachii
muscle stiffness
muscle weakness
myasthenia gravis
shear wave elastography
skeletal muscle mechanics
surface electromyography
Journal
Diagnostics (Basel, Switzerland)
ISSN: 2075-4418
Titre abrégé: Diagnostics (Basel)
Pays: Switzerland
ID NLM: 101658402
Informations de publication
Date de publication:
15 Mar 2023
15 Mar 2023
Historique:
received:
06
02
2023
revised:
05
03
2023
accepted:
14
03
2023
medline:
30
3
2023
entrez:
29
3
2023
pubmed:
30
3
2023
Statut:
epublish
Résumé
Myasthenia gravis (MG) is often accompanied with muscle weakness; however, little is known about mechanical adaptions of the affected muscles. As the latter can be assessed using ultrasound shear wave elastography (SWE), this study characterizes the biceps brachii muscle of 11 patients with MG and compares them with that of 14 healthy volunteers. Simultaneous SWE, elbow torque and surface electromyography measurements were performed during rest, maximal voluntary contraction (MVC) and submaximal isometric contractions (up to 25%, 50% and 75% MVC) at different elbow angles from flexion to extension. We found that, with increasing elbow angle, maximum elbow torque decreased (
Identifiants
pubmed: 36980415
pii: diagnostics13061108
doi: 10.3390/diagnostics13061108
pmc: PMC10047651
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Deutsche Forschungsgemeinschaft
ID : GRK 2198 - 277536708
Organisme : Federal Ministry of Education and Research
ID : 01EC1907B
Organisme : Deutsche Forschungsgemeinschaft
ID : 512689491
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