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Intense Light May Help Treat Heart Attacks

by VR Sreeraman on  April 27, 2012 at 1:45 PM Heart Disease News   - G J E 4
There are many ways like cardiopulmonary resuscitation (CPR), aspirin and clot-busters to prevent heart attacks. Now researchers have found that intense white light could be used to prevent and treat heart attacks.
 Intense Light May Help Treat Heart Attacks
Intense Light May Help Treat Heart Attacks
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"The study suggests that strong light, or even just daylight, might ease the risk of having a heart attack or suffering damage from one," says Tobias Eckle, associate professor of anesthesiology, cardiology, and cell and developmental biology at the University of Colorado School of Medicine.

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"For patients, this could mean that daylight exposure inside the hospital could reduce the damage that is caused by a heart attack," adds Eckle.

What's the connection between light and a myocardial infarction, commonly known as a heart attack? The answer lies, perhaps surprisingly, in the circadian rhythm, the body's clock that is linked to light and dark.

The circadian clock is regulated by proteins in the brain. But the proteins are in other organs as well, including the heart, according to a Colorado statement.

Eckle and Holger Eltzschig, Colorado professor of anesthesiology, found that one of those proteins, called Period 2, plays a crucial role in fending off damage from a heart attack.

During a heart attack, little or no oxygen reaches the heart. Without oxygen, the heart has to switch from its usual fuel - fat - to glucose. Without that change in heart metabolism, cells die and the heart is damaged And here's where the circadian rhythm comes in.

The study showed that the Period 2 protein is vital for that change in fuel, from fat to glucose, and therefore could make heart metabolism more efficient. In fact, Strong daylight activated Period 2 in animals and minimized damage from a heart attack.

Source: IANS
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