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30 May 2007

Smoking inflames aorta

Inflammatory rheumatic diseases and smoking are both associated with inflammation of the heart's aorta, the main artery carrying blood to the body, researchers report.

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Inflammatory rheumatic diseases and smoking are both associated with inflammation of the heart's aorta, the main artery carrying blood to the body, researchers report.

In turn, aortic inflammation can promote atherosclerosis ("hardening of the arteries") and the formation of aneurysms and increase risks for heart attack and death, according to a study in the June issue of the journal Arthritis & Rheumatism.

In the study, American and Norwegian researchers analysed samples of aortic tissue from 66 coronary artery bypass patients with inflammatory rheumatic disease and a control group of 51 bypass patients without the condition.

Rheumatoid arthritis, psoriatic arthritis, lupus, ankylosing spondylitis, and polymyalgia were among the types of inflammatory rheumatic diseases afflicting the patients in the study.

Smokers at higher risk
The researchers found that patients with inflammatory rheumatic disease were more likely than patients in the control group to have inflammation-related cells in their aortic tissue. Patients who smoked were also more likely to have these kinds of cells.

"The opportunities for detecting aortic inflammation are limited," study spokesperson Dr Ivana Hollan said in a prepared statement. "Our method of tissue examination allows the condition to be diagnosed in patients undergoing CABG surgery without increasing the preoperative risk."

The findings indicate the need for further research into an inflammatory process that may increase the risk of dying from a heart attack or aneurysm, the researchers said. – (HealthDayNews)

Read more:
Stop smoking Centre
Joint pain/Arthritis Centre

May 2007

 
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