Roles of Arterial Baroreceptor Reflex During Bezold-Jarisch Reflex

Author(s): Koji Kashihara

Journal Name: Current Cardiology Reviews

Volume 5 , Issue 4 , 2009

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Among the many cardiopulmonary reflexes, this review specifically examines the roles of the arterial baroreflex during the Bezold-Jarisch reflex (BJR). Activation of cardiopulmonary vagal afferent C-fibers induces hypotension, bradycardia, and apnea, which are known collectively as the BJR; myocardial ischemia and infarction might induce the BJR. Arterial baroreflex has been established as an important negative feedback system that stabilizes arterial blood pressure against exogenous pressure perturbations. Therefore, understanding the functions of the arterial baroreflex during the BJR is crucial for elucidating its pathophysiological implications. The main central pathways of the BJR and the baroreflex are outlined herein, particularly addressing the common pathway between the reflexes. Furthermore, the pathophysiological roles of the arterial baroreflex during the BJR are described along with a brief discussion of pathophysiological merits and shortcomings of the reflexes.

Keywords: Sympathetic nerve activity, arterial pressure, cardiopulmonary reflex, central pathway, acute myocardial ischemia

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Article Details

Year: 2009
Page: [263 - 267]
Pages: 5
DOI: 10.2174/157340309789317805
Price: $65

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