News tagged with ct angiography
Radiologists find a technique to significantly reduce patient radiation dose during CT angiography
Sep 21, 2009 |
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Radiologists have discovered that prospective electrocardiogram (ECG) gating allows them to significantly reduce the patient radiation dose delivered during computed tomography (CT) angiography, a common noninvasive technique ...
Researchers find a way to reduce patient radiation dose during pulmonary CT angiography
Jun 30, 2009 |
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While screening for possible pulmonary emboli using pulmonary CT angiography, a new study shows that radiologists can effectively lower the patient radiation dose by approximately 44% and improve vascular enhancement without ...
Radiation dose can be reduced for 'triple rule-out' coronary CT angiography
Apr 03, 2009 |
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Physicians can dramatically reduce the radiation dose delivered to patients undergoing coronary CT angiography in a "triple rule-out" protocol by simply using tube current modulation, according to a study performed at Thomas ...
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Angled gantry technique reduced breast radiation exposure by 50 percent
Dec 04, 2008 |
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A novel angled gantry approach to coronary CT angiography reduced radiation exposure to the breast by more than 50%, according to Thomas Jefferson University researchers.
Coronary CTA costs less than standard of care for triaging women with acute chest pain
Aug 08, 2008 |
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Non-invasive coronary CT angiography (CTA) is more cost-effective than current tests for diagnosing women with low risk of a heart attack who come to the emergency room with acute chest pain, according to a recent study conducted ...
Large study illustrates cardiac CT can effectively assess coronary artery disease
Dec 01, 2008 |
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Cardiac CT can effectively assess coronary artery stenosis, according to a large study performed at Leiden University Medical Center in Leiden, The Netherlands.
Comprehensive cardiac CT scan may give clearer picture of significant heart disease
Sep 15, 2009 |
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A team of researchers led by Massachusetts General Hospital (MGH) radiologists has developed a computed-tomography-based protocol that identifies both narrowing of coronary arteries and areas of myocardial ischemia - restricted ...
Clearing the way for detecting pulmonary embolism
Dec 01, 2009 |
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When it comes to diagnosing pulmonary embolism—a sudden blockage in the lung artery that could be deadly if not treated—which technique is the most effective? Research published in the December issue of The Journal of Nu ...
MDCT angiography leads to successful treatment of severely blocked arteries in the legs
Jun 03, 2009 |
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MDCT angiography leads to accurate recommendations for successful treatment of patients with critical limb ischemia, sometimes allowing the patients to avoid more complicated surgery, according to a study performed at the ...
Physiologic factors linked to image quality of multidetector computed tomography scans
Dec 22, 2009 |
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A large multicenter international trial found that the image quality of multi-detector computed tomography (MDCT) scans, used for the noninvasive detection of coronary artery disease, can be significantly affected by patient ...
Newer cardiac imaging machines effective in detecting coronary artery stenosis
Aug 26, 2008 |
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The first multicenter study of the accuracy of some of the latest cardiac imaging technology found it was 99 percent as effective in ruling out obstructive coronary artery stenosis - or narrowing of these arteries – as the ...
Studies quantify radiation doses, cancer risks from CT scans
Dec 15, 2009 |
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Doses of radiation from commonly performed computed tomography (CT) scans vary widely, appear higher than generally believed and may contribute to an estimated tens of thousands of future cancer cases, according to two reports ...
Study: CT scans rule out heart attacks faster
Nov 18, 2009 |
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(AP) -- A new study suggests that a type of "super X-ray" can give a faster, cheaper way to tell whether a chest pain sufferer is really having a heart attack.
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