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Ohio Physicians Cite Promise Of New Heart Stress Test
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More than 5 million Americans suffer from heart failureâ€”meaning their hearts have trouble pumping blood out to the body. Itâ€™s often caused by heart disease, diabetes, or high blood pressure. There are many ways to diagnose it but they can be expensive or invasive. Researchers at the Cleveland Clinic think they might have hit on a new, simpler way to ID heart failure: a breath test.
Heart failure is usually diagnosed by ordering tests like EKGs, x-rays, MRIs, and blood work. But new research suggests maybe all a patient needs to do is take a deep breath in, and blow it out. Dr. Raed Dwiek is a physician at the Respiratory Institute at the Cleveland Clinic.
“We were surprised to find that the breath of these patients is quite different from others who do not have heart failure.” Says Dr. Dwiek.
Dweik and his team analyzed the chemical content of heart failure patientsâ€™ breath, and found elevated levels of two compounds: acetone and pentane.
“So this is something we call the â€œbreath printâ€â€”like you think of a fingerprint, you know somebodyâ€™s fingerprint and you can identify whatâ€™s going on, where they have been, what theyâ€™ve been doing.”
The study was published recently in the Journal of the American College of Cardiology.
Dweik says eventually researchers hope to develop a low cost breath test for heart failure.
“Thatâ€™s the holy grail for the futureâ€”weâ€™re not there yet but this is a proof-of-concept to tell us that it is possible.” Adds Dr. Dwiek.
Thereâ€™s already an FDA-approved breath test for asthma, and Dwiek says more are in development for lots of other conditions like liver and kidney disease and lung cancer.