News tagged with ct angiography
Heart attack risk differs between men and women
Findings on coronary CT angiography (CTA), a noninvasive test to assess the coronary arteries for blockages, show different risk scenarios for men and women, according to a study presented today at the Radiological Society ...
Medicine & Health / Cardiology
Nov 30, 2011 |
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New test for coronary artery disease linked to higher rates of cardiac procedures and greater costs
A new, noninvasive diagnostic test for coronary artery disease is associated with a higher rate of subsequent invasive cardiac procedures and higher health-care spending. That's according to an observational study of Medicare ...
Medicine & Health / Cardiology
Nov 15, 2011 |
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The next stage of heart function testing
A new non-invasive technique for measuring how well the heart and blood vessels function in patients already suffering from coronary artery disease could, in a single test, identify which abnormally narrowed blood vessels ...
Medicine & Health / Cardiology
Oct 11, 2011 |
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Lower contrast agent dose feasible in 320 row CT angiography
The analysis of 180 CT angiography studies done using a 320 detector row CT scanner found that a contrast media protocol based on 60 milliliters of iopamidol "had sufficient enhancement in more than 96% of coronary segments," ...
Oct 01, 2011 |
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Experts offer pointers for optimizing radiation dose in head CT
An article in the August issue of the Journal of the American College of Radiology summarizes methods for radiation dose optimization in head computed tomography (CT) scans. Head CT is the second most commonly performed CT exa ...
Aug 01, 2011 |
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CT angiography improves detection of heart disease in African-Americans
Researchers may have discovered one reason that African Americans are at increased risk for heart attacks and other cardiovascular events.
Medicine & Health / Cardiology
Jun 28, 2011 |
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CT angiography for low-risk heart patients leads to more drugs and tests without benefit
Coronary computed tomographic (CT) angiography, which can detect plaque buildup in heart vessels, is sometimes used as a screening tool to assess the risk for a heart attack. However, the usefulness of the test on low-risk ...
Medicine & Health / Cardiology
May 23, 2011 |
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Evidence of over-diagnosis of pulmonary embolisms as a result of CTPA
Researchers from Boston University School of Medicine (BUSM) have found that computed tomography pulmonary angiography (CTPA), meant to improve detection of life-threatening pulmonary embolisms (PE), has led to over-diagnosis ...
May 09, 2011 |
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Low-dose chest CT effective in reducing radiation for evaluation of cardiothoracic surgery patients
Recent studies have shown that a 64-detector CT angiography utilizing prospective electrocardiographic (ECG) gating produces a quality image but considerably reduced patient radiation dose when compared to retrospective ECG ...
May 04, 2011 |
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Forensic scientists use postmortem imaging-guided biopsy to determine natural causes of death
Researchers found that the combination of computed tomography (CT), postmortem CT angiography (CTA) and biopsy can serve as a minimally invasive option for determining natural causes of death such as cardiac arrest, according ...
Oct 21, 2010 |
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Study finds increased presence, severity of coronary artery plaques in HIV-infected men
A Massachusetts General Hospital (MGH) study has found that relatively young men with longstanding HIV infection and minimal cardiac risk factors had significantly more coronary atherosclerotic plaques - some involving serious ...
Medicine & Health / HIV & AIDS
Jan 07, 2010 |
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Radiologists find a technique to significantly reduce patient radiation dose during CT angiography
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 ...
Sep 21, 2009 |
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Researchers find a way to reduce patient radiation dose during pulmonary CT angiography
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 ...
Jun 30, 2009 |
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Radiation dose can be reduced for 'triple rule-out' coronary CT angiography
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 ...
Apr 03, 2009 |
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