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A wide range of baroreflex stimulation does not alter forearm blood flow

A wide range of baroreflex stimulation does not alter forearm blood flow

Howden, Reuben, Lightfoot, J.Timothy, Turner, Michael J., Brown, Stephen J. and Swaine, Ian L. (2004) A wide range of baroreflex stimulation does not alter forearm blood flow. European Journal of Applied Physiology, 93 (1-2). pp. 124-129. ISSN 1439-6319 (Print), 1439-6327 (Online) (doi:10.1007/s00421-004-1181-7)

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Abstract

The contribution to the regulation of forearm blood flow (FBF) by different baroreceptor populations has previously only been studied over a limited range of stimuli. Therefore, FBF and R-R interval were recorded during neck suctions and neck pressures ranging from -60 to +40 mmHg. The change in R-R interval (ΔR-R) during neck suction was significantly increased at each stage when compared to the control (P < 0.05). ΔR-R did not show any significant change during any of the neck pressure stages (P > 0.05). Suction or pressure applied to the neck did not elicit any significant changes in FBF when compared to the control (P > 0.05). These data show that widening the range of applied stimuli to carotid sinus baroreceptors does not induce a change in FBF. However, the small transient changes reported previously cannot be discounted.

Item Type: Article
Uncontrolled Keywords: carotid sinus baroreflex, neck chamber, venous occlusion plethysmography
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure
Q Science > QP Physiology
Faculty / Department / Research Group: Faculty of Engineering & Science
Related URLs:
Last Modified: 14 Oct 2016 09:34
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/13689

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