| Coupling Between Respiratory and Sympathetic Activities as a Novel Mechanism Underpinning Neurogenic Hypertension. | |
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MedLine Citation:
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PMID: 21445721 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Enhanced sympathetic outflow to the heart and resistance vessels greatly contributes to the onset and maintenance of neurogenic hypertension. There is a consensus that the development of hypertension (clinical and experimental) is associated with an impairment of sympathetic reflex control by arterial baroreceptors. More recently, chronic peripheral chemoreflex activation, as observed in obstructive sleep apnea, has been proposed as another important risk factor for hypertension. In this review, we present and discuss recent experimental evidence showing that changes in the respiratory pattern, elicited by chronic intermittent hypoxia, play a key role in increasing sympathetic activity and arterial pressure in rats. This concept parallels results observed in other models of neurogenic hypertension, such as spontaneously hypertensive rats and rats with angiotensin II-salt-induced hypertension, pointing out alterations in the central coupling of respiratory and sympathetic activities as a novel mechanism underlying the development of neurogenic hypertension. |
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Authors:
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Daniel B Zoccal; Benedito H Machado |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-30 |
Journal Detail:
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Title: Current hypertension reports Volume: - ISSN: 1534-3111 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100888982 Medline TA: Curr Hypertens Rep Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Physiological Sciences, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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