Journal of Emergencies, Trauma, and Shock
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 Table of Contents    
LETTERS TO EDITOR  
Year : 2017  |  Volume : 10  |  Issue : 2  |  Page : 83-84
Ultrasound application in peripheral nerve localization: Obstacles and learning curve


1 Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York; Buffalo General Medical Center - Kaleida Health, Buffalo, New York, USA
2 Department of Neurosurgery, University of Thessaly, Larissa, Greece
3 Department of Radiology, University of Thessaly, Larissa, Greece

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Date of Submission10-Dec-2016
Date of Acceptance02-Jan-2017
Date of Web Publication3-Mar-2017
 

How to cite this article:
Siasios ID, Dimopoulos VG, Fountas KN, Kapsalaki E. Ultrasound application in peripheral nerve localization: Obstacles and learning curve. J Emerg Trauma Shock 2017;10:83-4

How to cite this URL:
Siasios ID, Dimopoulos VG, Fountas KN, Kapsalaki E. Ultrasound application in peripheral nerve localization: Obstacles and learning curve. J Emerg Trauma Shock [serial online] 2017 [cited 2017 Jun 24];10:83-4. Available from: http://www.onlinejets.org/text.asp?2017/10/2/83/201585


Dear Editor,

The advancement of peripheral nerve visualization with the use of ultrasonography has been enormous during the last decade.[1] Currently, ultrasonography is used for the localization of peripheral nerves and for the treatment of several peripheral nerve pathologies.[1],[2] It has been established as a significant tool for nerve blocks during surgical procedures, pain management, and guidance during resection of peripheral nerve lesions.[1],[2] Ultrasound has the significant advantage of zero radiation exposure, and it is an affordable solution for nerve localization as well as for pain management by reducing the associated costs for additional imaging studies and by restricting visits at the doctor's office.[2]

To obtain image acquisitions of the desirable nerve or nerves, physicians are guided through specific anatomical landmarks.[3] This process allows the users to focus on the area of interest and finally recognize the nerve. The ultrasonographic recognition of the nerve structures demands experience on the sonographic anatomy.[3],[4] Furthermore, anatomical variations of the used landmarks concerning the size, origin, course and dominance of the closely related vessels, as well as the anatomical alternations of the nearby located tendons, such as the palmaris longus makes things harder for the ultrasound operators. This process is demanding because it needs time and significant efforts from the users to correlate specific image patterns to anatomical structures and their variations.[3],[4] These deviations from the normally observed anatomy in the forearm, for example, are noted in 3%–15% of the human population.[3] In addition, the ultrasound operators should be able of distinguishing the pathological from the normal neuronal structures. An ideal way to succeed on this discrimination is to compare the pathological side to the contralateral normal side.[3],[4],[5]

The ultrasonographic guidance for a nerve block demands significant experience not only for the recognition of the important anatomical structures but also for the guidance of the required instrumentation (i.e., needle) toward the nerve as it is advanced through several layers of human tissue (skin, subcutaneous tissue, and muscles).[2],[3],[4] The operator should be capable of working with the ultrasound probe in several angles that can give him the perception of depth.[3],[5]

The training opportunities on ultrasound are limited in daily clinical practice to several short term in duration courses that comprise the knowledge of the ultrasound basics in 2–3 days.[2] The learning curve is still questionable. The accreditation is not existed as there are no specific requirements for the trainers as well as for the trainees.[2]

In conclusion, ultrasonography is very useful for nerve imaging and nerve recognition as well as for guidance in several procedures. It is a demanding imaging modality that requires knowledge of anatomy and sonographic experience. The role of the several medical specialties that are taking advantage of ultrasound capabilities such as radiologists, orthopedics, neurosurgeons, and anesthesiologists should be more vigorous in defining the education and training on this undoubtedly valuable imaging modality.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
   References Top

1.
Jackson SA, Derr C, De Lucia A, Harris M, Closser Z, Miladinovic B, et al. Sonographic identification of peripheral nerves in the forearm. J Emerg Trauma Shock 2016;9:146-50.  Back to cited text no. 1
[PUBMED]  [Full text]  
2.
Wilson DJ, Scully WF, Rawlings JM. Evolving role of ultrasound in therapeutic injections of the upper extremity. Orthopedics 2015;38:e1017-24.  Back to cited text no. 2
    
3.
Soeding P, Eizenberg N. Review article: Anatomical considerations for ultrasound guidance for regional anesthesia of the neck and upper limb. Can J Anaesth 2009;56:518-33.  Back to cited text no. 3
    
4.
De Maeseneer M, Brigido MK, Antic M, Lenchik L, Milants A, Vereecke E, et al. Ultrasound of the elbow with emphasis on detailed assessment of ligaments, tendons, and nerves. Eur J Radiol 2015;84:671-81.  Back to cited text no. 4
    
5.
Kuo TT, Lee MR, Liao YY, Chen JP, Hsu YW, Yeh CK, et al. Assessment of median nerve mobility by ultrasound dynamic imaging for diagnosing carpal tunnel syndrome. PLoS One 2016;11:e0147051.  Back to cited text no. 5
    

Top
Correspondence Address:
Ioannis Dimitrios Siasios
Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York; Buffalo General Medical Center - Kaleida Health, Buffalo, New York
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JETS.JETS_145_16

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