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Advanced CT imaging proves as accurate as invasive tests to assess heart blockages, study shows
Date:11/19/2013

e and a co-author of the study.

"The CTP test added significant information about the patients'conditions and boosted our ability to identify those whose blockages were severe enough to reduce blood flow to the heart," adds George, who developed the CTP method with Lima.

The 320-detector CT provides a complete picture of the heart by making just one revolution around the body. The researchers say the two tests combined CTA and CTP still produce less radiation than a scan with the 64-detector CT scanner in widespread use today.

"In our study, the amount of radiation exposure to patients from the two 320-detector CT tests was half the amount they received as a result of the traditional evaluation methods the angiogram and nuclear medicine stress test combined," says Lima.

The researchers say they will continue to follow the patients in the study for five years, looking for any heart-related events such as heart attacks, as well as hospital admissions, procedures or operations.


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Contact: Ellen Beth Levitt
eblevitt@jhmi.edu
410-955-5307
Johns Hopkins Medicine
Source:Eurekalert

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