View : 25 Download: 0

Effect of stellate ganglion block on the cerebrovascular system : Magnetic resonance angiography study

Title
Effect of stellate ganglion block on the cerebrovascular system : Magnetic resonance angiography study
Authors
Kang C.-K.Oh S.-T.Chung R.K.Lee H.Park C.-A.Kim Y.-B.Yoo J.H.Kim D.Y.Cho Z.-H.
Ewha Authors
정락경유정현김동연
SCOPUS Author ID
정락경scopus; 유정현scopus; 김동연scopus
Issue Date
2010
Journal Title
Anesthesiology
ISSN
0003-3022JCR Link
Citation
vol. 113, no. 4, pp. 939 - 944
Indexed
SCI; SCIE; SCOPUS scopus
Abstract
Background: Several studies have shown that stellate ganglion block (SGB) is an effective treatment for certain cerebrovascular related diseases; however, the direct effect of SGB on the cerebral vasculature is still unknown. The present study investigated the effect of SGB on the cerebral vascular system using magnetic resonance angiography. Methods: Time-of-flight magnetic resonance angiography images of 19 healthy female volunteers (mean ages of 46.4± 8.9 yr) were obtained before and afterSGBwith 1.5-T magnetic resonance imaging. The authors determined successful interruption of sympathetic innervation to the head with the appearance of Horner syndrome and conjunctival injection. We measured changes in the average signal intensity and diameter of the major intracranial and extracranial arteries and their branches, which were presented with mean (±SE). Results: The signal intensity changes were observed mainly in the ipsilateral extracranial vessels; the external carotid artery (11.2%, P < 0.001) and its downstream branches, such as the occipital artery (9.5%, P < 0.001) and superficial temporal artery (14.1%, P < 0.001). In contrast, the intensities of the intracranial arteries did not change with the exception of the ipsilateral ophthalmic artery, which increased significantly (10.0%, P = 0.008). After SGB, only the diameter of the ipsilateral external carotid artery was significantly increased (26.5%, P < 0.001). Conclusions: We were able to observe significant changes in the extracranial vessels, whereas the intracranial vessels were relatively unaffected (except for the ophthalmic artery), demonstrating that both perivascular nerve control and sympathetic nerve control mechanisms may contribute to the control of intracranial and extracranial blood vessels, respectively, after SGB. Copyright © 2010.
DOI
10.1097/ALN.0b013e3181ec63f5
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE