PMID: 9450833Feb 5, 1998Paper

Vagus nerve imaging with ultrasound: anatomic and in vivo validation

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
V A KnappertzW M McKinney

Abstract

To provide the anatomic basis and demonstrate the reproducibility of ultrasound studies for the identification of the vagus nerve within its course in the carotid sheath in the neck, cadaveric and in vivo imaging studies were conducted. On transverse B-mode images of the neck, there is a centrally hypoechoic and peripherally hyperechoic structure between the common carotid artery and the jugular vein inside the carotid sheath. This structure was also identified in a fresh, nonpreserved cadaver and was marked with a hypodermic needle by means of a transdermal approach. Neck dissection was performed leaving the carotid sheath intact. B-mode imaging yielded detailed anatomic information about the structures in the carotid sheath. Further dissection showed the vagus nerve as the target of the needle. One hundred consecutive transverse carotid scans were reviewed, and the characteristic echo patterns of the vagus nerve were identified in 97 instances. A distinct and reproducible, round, hypoechoic structure was defined adjacent to the common carotid artery and jugular vein as the vagus nerve. On the basis of this study, a new, noninvasive, and highly reproducible method to locate the vagus nerve in the carotid sheath is introduced. ...Continue Reading

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Citations

Mar 24, 2004·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Francis O WalkerJames Caress
Mar 31, 2004·Journal of the Neurological Sciences·Naoki MatsuokaMasayasu Matsumoto
Jan 22, 2000·Molecular Aspects of Medicine·C Boesch
Jun 19, 2001·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·S Reese, C Ruppert
Apr 12, 2000·The Journal of Small Animal Practice·C RuppertP Schmidt
Feb 27, 2001·AJR. American Journal of Roentgenology·F Giovagnorio, C Martinoli
Jul 16, 2011·AJNR. American Journal of Neuroradiology·J K ParkJ W Chang
May 23, 2012·Clinical Radiology·Y KwongJ Shah
May 23, 2006·The Journal of Hand Surgery·Ethan R WieslerFrancis O Walker
Jun 23, 2004·Neurologic Clinics·Francis O Walker
Jul 16, 2015·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Eun Ju HaJeong Hyun Lee
Apr 9, 2015·Journal of Clinical Neurology·Eman A TawfikMichael S Cartwright
Sep 25, 2019·Ear, Nose, & Throat Journal·Hao-Hui ChenCheng-Ping Wang

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