Document Detail


Vestibular function interferes in cardiovascular reflexes [corrected].
MedLine Citation:
PMID:  14567399     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Experimental work indicates that the vestibular system participates in autonomic reflexes during body movement and postural changes. However, there are no studies of cardiovascular reflexes during vertigo due to human acute vestibular lesions.
METHODS: We assessed the response to active change of posture and hand immersion in cold water in seven patients with unilateral peripheral vestibular failure (vestibular neuritis) and seven age/sex-matched healthy subjects in acute phase (72 h from vertigo onset) and at 2 weeks of follow-up.
RESULTS: During acute phase, patients showed decreased blood pressure response during cold hand test (p < 0.05). Upright stance induced deficient decrease of the respiratory component of heart rate variability (p < 0.05) with lack of increase in low frequency/high frequency (LF/HF) ratio. At 2 weeks of follow-up, these abnormalities improved.
CONCLUSIONS: Results suggest that acute vestibular lesions can interfere with cardiovascular autonomic responses in humans. This may reflect disruption of normal vestibulo-autonomic reflexes.
Authors:
Kathrine Jáuregui-Renaud; Antonio G Hermosillo; Angélica Gómez; Manlio F Márquez; Manuel Cárdenas; Adolfo M Bronstein
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Archives of medical research     Volume:  34     ISSN:  0188-4409     ISO Abbreviation:  Arch. Med. Res.     Publication Date:    2003 May-Jun
Date Detail:
Created Date:  2003-10-21     Completed Date:  2004-03-03     Revised Date:  2014-02-19    
Medline Journal Info:
Nlm Unique ID:  9312706     Medline TA:  Arch Med Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  200-4     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adult
Autonomic Nervous System / physiology*
Cardiovascular Physiological Phenomena*
Cold Temperature
Female
Heart Rate
Humans
Male
Middle Aged
Posture
Reflex / physiology*
Vertigo*
Vestibular Neuronitis / pathology,  physiopathology
Grant Support
ID/Acronym/Agency:
MC_U950770497//Medical Research Council
Comments/Corrections
Erratum In:
Arch Med Res. 2003 Sep-Oct;34(5):444

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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