Effects of cognac on coronary flow reserve and plasma antioxidant status in healthy young men View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2008-06

AUTHORS

Tuomas O Kiviniemi, Antti Saraste, Jyri O Toikka, Markku Saraste, Olli T Raitakari, Jussi P Pärkkä, Terho Lehtimäki, Jaakko J Hartiala, Jorma Viikari, Juha W Koskenvuo

ABSTRACT

BACKGROUND: The cardioprotective effects of certain alcoholic beverages are partly related to their polyphenol content, which may improve the vasodilatory reactivity of arteries. Effect of cognac on coronary circulation, however, remains unknown. The purpose of this randomized controlled cross-over study was to determine whether moderate doses of cognac improve coronary reactivity as assessed with cold pressor testing (CPT) and coronary flow reserve (CFR) measurement. METHODS: Study group consisted of 23 subjects. Coronary flow velocity and epicardial diameter was assessed using transthoracic echocardiography at rest, during CPT and adenosine infusion-derived CFR measurements before drinking, after a moderate (1.2 +/- 0.1 dl) and an escalating high dose (total amount 2.4 +/- 0.3 dl) of cognac. To explore the bioavailability of antioxidants, the antioxidant contents of cognac was measured and the absorption from the digestive tract was verified by plasma antioxidant capacity determination. RESULTS: Serum alcohol levels increased to 1.2 +/- 0.2 per thousand and plasma antioxidant capacity from 301 +/- 43.9 micromol/l to 320 +/- 25.0 micromol/l by 7.6 +/- 11.8%, (p = 0.01) after high doses of cognac. There was no significant change in flow velocity during CPT after cognac ingestion compared to control day. CFR was 4.4 +/- 0.8, 4.1 +/- 0.9 (p = NS), and 4.5 +/- 1.2 (p = NS) before drinking and after moderate and high doses on cognac day, and 4.5 +/- 1.4, and 4.0 +/- 1.2 (p = NS) on control day. CONCLUSION: Cognac increased plasma antioxidant capacity, but it had no effect on coronary circulation in healthy young men. TRIAL REGISTRATION: NCT00330213. More... »

PAGES

25

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/1476-7120-6-25

DOI

http://dx.doi.org/10.1186/1476-7120-6-25

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1024678066

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/18522727


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Download the RDF metadata as:  json-ld nt turtle xml License info

HOW TO GET THIS DATA PROGRAMMATICALLY:

JSON-LD is a popular format for linked data which is fully compatible with JSON.

curl -H 'Accept: application/ld+json' 'https://scigraph.springernature.com/pub.10.1186/1476-7120-6-25'

N-Triples is a line-based linked data format ideal for batch operations.

curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/pub.10.1186/1476-7120-6-25'

Turtle is a human-readable linked data format.

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RDF/XML is a standard XML format for linked data.

curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/pub.10.1186/1476-7120-6-25'


 

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