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Carotid Baroreceptor Reaction after Stenting in 2 Locations of Carotid Bulb Lesions of Different Embryologic Origin.
MedLine Citation:
PMID:  22268083     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND AND PURPOSE:The carotid bulb is innervated by the sinus nerve of Hering, a branch of the glossopharyngeal nerve, derived from the third pharyngeal arch. The aim of this study was to determine the frequency, predictors, and outcome of the carotid BR after carotid stent placement according to the location of the plaque lesion.MATERIALS AND METHODS:Atherosclerotic carotid plaques of apical versus body lesions were prospectively analyzed in 95 consecutive patients who underwent carotid stent placement. Patients with hypertension after stent placement were excluded, and transient (<3 hours) and prolonged (3-24 hours) BR, together with AEs such as strokes and death, were assessed in the 2 lesion locations (apical versus body). Other factors known to affect the carotid baroreceptor were also investigated, and the results were analyzed by χ(2) or Mann-Whitney U tests.RESULTS:Transient BR occurred in 30% of apical lesions in contrast to 70% of body lesions (P = .001). Transient BR showed a significant relationship to lesion location (P = .001), occurring most frequently in body lesions, and to the distance of maximum stenosis from the ICA ostium (P = .001). Hyperperfusion and AE rates (P = .076) in 1 month occurred more frequently in apical lesions.CONCLUSIONS:The frequency of transient BR after carotid stent placement was lower in the apical region of the carotid bulb. Different cardiovascular disturbances after carotid stent placement can be attributed to anatomically different areas of the carotid bulb.
Authors:
D C Suh; J L Kim; E H Kim; J K Kim; J-H Shin; D H Hyun; H Y Lee; D H Lee; J S Kim
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-19
Journal Detail:
Title:  AJNR. American journal of neuroradiology     Volume:  -     ISSN:  1936-959X     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8003708     Medline TA:  AJNR Am J Neuroradiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Departments of Radiology and Research Institute of Radiology and Department of Neurology, University of Ulsan, College of Medicine, Asan Medical Center, Seoul, Republic of Korea; and Department of Radiology, Chung-Ang University College of Medicine, Seoul, Republic of Korea.
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