Originally published October 21 2005
Red wine positively affects the arteries of heart disease patients
by Mike Adams, the Health Ranger, NaturalNews Editor
A small study conducted in Greece by Dr. Emmanouil N. Karatzis from Alexandra University Hospital in Athens found that patients suffering from coronary artery disease (CAD) experienced reduced arterial stiffness for 90 minutes after drinking red wine.
Drinking red wine, even red wine that has had the alcohol removed, induces favorable effects on the arteries in patients with coronary artery disease (CAD), according to the results of a small study conducted in Greece.
"This is very important considering the fact that CAD patients' vessels are already stiff and this is a major cause of increased blood pressure and consequently increased risk for cardiovascular events," the researcher added.
The fact that both types of red wine reduced arterial stiffness indicates that this effect could possibly be attributed to red wine's antioxidants and not only to alcohol.
"It is possible that antioxidants contained in red wine are very powerful and extremely significant for vessel function as we and other groups of investigators have shown," Karatzis said.
The findings of their study involving 15 CAD patients are reported in the American Journal of Hypertension.
Dr. Karatzis' team monitored arterial stiffness and blood pressure during fasting and 30, 60, and 90 minutes after they consumed 250 milliliters of regular or non-alcoholic red wine.
Both regular and non-alcoholic red wine significantly decreased arterial stiffness as well as central systolic blood pressure, the top reading of the blood pressure.
Specifically, central systolic blood pressure fell 7.4 mm Hg and 5.4 mm Hg after consumption of red wine and non-alcoholic red wine, respectively.
Karatzis and colleagues emphasize that more study is needed to "clarify the exact mechanisms underlying the present observations."
It may be worthwhile to take direct measurements of total antioxidant capacity or isoprostanes early after drinking red wine.
They also make the point that whether long-term use of red wine, with or without alcohol, leads to an improvement in large artery properties, and to a decrease in cardiovascular risk in patients with CAD, remains to be explored.
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