Objectives: Ultrasound has ability to reflect or transmit the ultrasonographic waves of any tissue and vascular patern.
Ultrasound predict the layered structure and soft-tissue thickness by a dynamic and functional examination.
Ultrasound allow to visualize muscle to be injected by BoNT-A
Introduction: US-based evaluation provides information about the dynamic movement of facial muscles and the clinical application of BoNT.
Materials / method: US allows clinicians to understand muscle movement and achieve optimal results by considering the relationship with the surrounding muscles.
Furthermore, detailed anatomical information about the facial muscles is crucial for optimizing the effectiveness of BoNT treatment.
Results: High-resolution ultrasound is preferred as the first-line imaging modality for evaluation of superficial soft tissues, such as the facial muscles.
In contrast to magnetic resonance imaging and computed tomography, which require specifically designated planes (axial, coronal and sagittal) for imaging, the ultrasound transducer can be navigated based on the alignment of facial muscles.
Botulinum toxin injections are widely used in facial cosmetic procedures in recent times.
Ultrasonography is recognized as a useful tool for pre-procedure localization of target muscles.
Conclusion: US imaging is practical and instructive for pre-operative assessments as in needle-type selection, injection point localization and depth setting, as well as post-operative follow-ups regarding injection feedback (for instance, the extent of muscle volume decreases).
What's more, ultrasound-guided injection makes needle trajectory visualized so as for the needle to reach the target muscle in avoidance of potential damage to neurovascular bundle, gland or adjacent muscle.
Disclosures
Did you receive any funding to support your research for this TOPIC?
No
Were you provided with any honoraria, payment or other compensation for your work on this study?
No
Do you have any financial relationship with any entity which may closely compete with the medications, materials or instruments covered by your study?
No
Do you own or have you applied for any patents in conjunction with the instruments, medications or materials discussed in your study?
No
This work was not supported by any direct or non direct funding. It is under the author's own responsability