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Simple Breath Test Might Diagnose Heart Failure
Date:3/26/2013

By Alan Mozes
HealthDay Reporter

MONDAY, March 25 (HealthDay News) -- An experimental breath test, designed to quickly identify patients suffering from heart failure simply by analyzing the contents of a single exhaled breath, has demonstrated promise in early trials, a team of researchers says.

The investigators stressed that their evaluation is based on a small group of participating patients, and that more extensive research will have to be done to confirm their initial success.

But by subjecting a patient's breath to a rigorous but fast analysis of the hundreds of so-called volatile organic compounds contained therein, the study team said it has so far been able to correctly diagnose heart failure among newly hospitalized patients with a 100 percent accuracy.

"Every individual has a breath print that differentiates them from other people, depending on what's going on in their body," explained study lead author Dr. Raed Dweik, a staff physician in the department of pulmonary, allergy and critical care medicine with the Respiratory Institute at Cleveland Clinic. "And that print can tell us a lot about a person, what they've been exposed to and what disease they have," he added.

"That's what makes the new field of breath testing so promising, because it is non-intrusive, so there is no risk involved," Dweik said. "And you can do it anywhere, in a clinic, in a hospital, anywhere."

The findings were published March 25 in the Journal of the American College of Cardiology.

The study authors pointed out that the most common reason American patients are admitted to a hospital is when there is a suspicion of heart failure -- a tough-to-treat condition in which the heart's pumping action grows gradually weaker over time.

Currently, a diagnosis of heart failure comes from a variety of factors, according to the U.S. National Heart, Lung, and Blood Institute. These include medical history a
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