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Journal Article


ACUTE EFFECTS OF COFFEE ON SKIN BLOOD FLOW AND MICROVASCULAR FUNCTION

 * Tesselaar E
 * Nezirevic Dernroth D
 * Farnebo S
 * 

Microvascular Research (2017) 114 58-64
DOI: 10.1016/j.mvr.2017.06.006
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ABSTRACT

Objective Studies on the acute effects of coffee on the microcirculation have
shown contradicting results. This study aimed to investigate if intake of
caffeine-containing coffee changes blood flow and microvascular reactivity in
the skin. Methods We measured acute changes in cutaneous vascular conductance
(CVC) in the forearm and the tip of the finger, the microvascular response to
transdermal iontophoresis of acetylcholine (ACh) and sodium nitroprusside (SNP)
and post-occlusive reactive hyperemia (PORH) in the skin, after intake of
caffeinated or decaffeinated coffee. Results Vasodilatation during iontophoresis
of ACh was significantly stronger after intake of caffeinated coffee compared to
after intake of decaffeinated coffee (1.26 ± 0.20 PU/mm Hg vs.
1.13 ± 0.38 PU/mm Hg, P < 0.001). Forearm CVC before and after PORH were not
affected by caffeinated and decaffeinated coffee. After intake of caffeinated
coffee, a more pronounced decrease in CVC in the fingertip was observed compared
to after intake of decaffeinated coffee (− 1.36 PU/mm Hg vs. − 0.52 PU/mm Hg,
P = 0.002). Conclusions Caffeine, as ingested by drinking caffeinated coffee
acutely improves endothelium-dependent microvascular responses in the forearm
skin, while endothelium-independent responses to PORH and SNP iontophoresis are
not affected. Blood flow in the fingertip decreases markedly during the first
hour after drinking caffeinated coffee compared to decaffeinated coffee.

FIGURES

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AUTHOR SUPPLIED KEYWORDS

 * Caffeine
 * Coffee
 * Laser Doppler flowmetry
 * Laser speckle contrast imaging
 * Microcirculation
 * Skin

REFERENCES POWERED BY SCOPUS


ASSOCIATION OF COFFEE DRINKING WITH TOTAL AND CAUSE-SPECIFIC MORTALITY

 * Freedman N
 * Park Y
 * Abnet C
 * et al.See more

New England Journal of Medicine
418Citations
652Readers
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COFFEE, CYP1A2 GENOTYPE, AND RISK OF MYOCARDIAL INFARCTION

 * Cornelis M
 * El-Sohemy A
 * Kabagambe E
 * et al.See more

JAMA
364Citations
364Readers
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This article is free to access.


HETEROGENOUS NATURE OF FLOW-MEDIATED DILATATION IN HUMAN CONDUIT ARTERIES IN
VIVO: RELEVANCE TO ENDOTHELIAL DYSFUNCTION IN HYPERCHOLESTEROLEMIA

 * Mullen M
 * Kharbanda R
 * Cross J
 * et al.See more

Circulation Research
321Citations
163Readers
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This article is free to access.

View more at Scopus


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CITE

CITATION STYLE

APA


Tesselaar, E., Nezirevic Dernroth, D., & Farnebo, S. (2017). Acute effects of
coffee on skin blood flow and microvascular function. Microvascular Research,
114, 58–64. https://doi.org/10.1016/j.mvr.2017.06.006

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