Sentences with phrase «stress ischemia»

In the Mental Stress Ischemia Mechanisms Prognosis study, 678 adults (average age 63) with heart disease delivered a speech while researchers measured their blood pressure and heart rate, took imaging pictures of their hearts and measured the constriction of tiny arteries supplying blood in their fingers.

Not exact matches

«We do show that obstructive coronary artery disease and myocardial ischemia remain the strongest predictors of future cardiovascular events, but for the first time, in a randomized comparison we demonstrate the ability of CT angiography (CTA) to identify a large group of at - risk patients who would have been missed by functional stress testing,» says Hoffmann, who is director of the MGH Cardiac MR PET CT Program.

«This research is important because previous studies have shown that a reduction in blood supply to the heart (ischemia) during mental stress doubles the risk of heart attack or death from heart disease,» said Viola Vaccarino, M.D., Ph.D., senior author of the study and professor of epidemiology and medicine at Emory University's Rollins School of Public Health in Atlanta, Georgia.

The discoveries are also expected to be helpful in treating patients suffering from ischemia, stroke and neurodegenerative disorders such as Alzheimer's disease by protecting cells and tissues from stress damage.

In some patients with coronary artery disease, mental stress may precipitate ischemia — a deficiency in blood flow to the heart â $ «a risk factor for adverse events and death independent of other cardiovascular risk factors such as smoking, cholesterol and diabetes.

This treatment further provides other anti-inflammatory, healing and restorative properties to a heart stressed or damaged by ischemia.

The main hypothesis includes a stress preconditioning response mechanism, in which it is believed that periods of nutrient deprivation displays a beneficial mild stress that results in molecular adaptive changes in various tissues, which increases the organism's resistance to bigger stressors such as excitotoxic and oxidative injury, including ischemia (33,71).

In an experiment involving samples of brain tissue taken from rats, the study's authors found that antioxidants in catuaba may help prevent ischemia by reducing oxidative stress.

Setup and monitor Cardiac stress tests, treadmill, exercise MUGA scans, stress echocardiograms, Cardiac PET scans to diagnose ischemia and viability, and patient preparation for coronary CT angiograms.