2021 Workshop Handout Bundle-US Guidance for Neurotoxins

US Guidance for Neurotoxins - Munin

Pdf Summary

The document discusses the use of ultrasound guidance for neurotoxin injections, specifically for chemodenervation procedures. Traditional techniques such as manual needle placement (MNP), electromyography (EMG), and electrical stimulation (e-stim) have limitations in accuracy and safety. Ultrasound (US) guidance is a noninvasive alternative that provides precise localization of target muscles, avoids unintended injection into adjacent muscles or structures, and improves treatment outcomes. <br /><br />The advantages of US guidance include improved accuracy, avoidance of unintentional muscle weakness, prevention of injection errors, and avoidance of high-risk structures. US can isolate deep or overlapping muscles, visually confirm the location of injectate or needle, and provide diagnostic information about muscle size and condition. US can also improve localization accuracy, especially in cases of involuntary muscle activity, co-contraction, or deformity.<br /><br />Despite its benefits, the use of US for neurotoxin injections has some limitations. Availability and cost of equipment, lack of experience, and a steep learning curve may be barriers to its widespread use. However, the advantages of US make it a valuable technique to add to the clinician's toolbox for botulinum toxin injections.<br /><br />The document concludes with a comparison of different injection techniques, stating that US guidance provides the highest accuracy and ease of evaluation compared to MNP, EMG, and e-stim. The use of US guidance for neurotoxin injections can improve the speed and accuracy of target localization, reduce pain, and minimize the risk of harm to patients.

Keywords

ultrasound guidance

neurotoxin injections

chemodenervation procedures

noninvasive alternative

target muscles

injection errors

high-risk structures

deep muscles

diagnostic information

botulinum toxin injections