Highlight
This prospective study demonstrates that a real-time ultrasound-assisted laryngeal electromyography (LEMG) protocol using a single in-plane lateral oblique trajectory for needle guidance is feasible and safe. The technique achieved 100% electromyography-confirmed muscle sampling success of the thyroarytenoid (TA) and cricothyroid (CT) muscles in elderly patients, despite prevalent thyroid cartilage calcification. Ultrasound allowed effective trajectory guidance and vascular avoidance without the need for electromagnetic tracking equipment.
Study Background
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