Eric Barnes

Clinical News
3D MRI stress perfusion accurate for myocardium evaluation
New research from Germany shows how cardiac MRI can assess myocardial function by combining cine imaging, stress perfusion, and scar imaging to produce a high percentage of correct diagnoses and high-quality images, according to results published January 25 in the Journal of the American College of Cardiology.
January 24, 2011
Clinical News
High-pitch CT cuts dose for patients with low heart rates
Austrian radiologists have found a way to cut the radiation dose of coronary CT angiography studies to as low as 1 mSv by using a high-pitch scanning protocol on a 128-slice scanner for patients with low heart rates.
January 16, 2011
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Clinical News
Colon cancer incidence drops sharply after colonoscopy
Colonoscopy is associated with substantial reductions in colorectal cancer incidence, according to a new study. Colonoscopy reduced cancer risk by 77% overall, and in contrast to other recent studies, it protected both the left and right sides of the colon.
January 9, 2011
Clinical News
Dual-phase DECT myocardial perfusion cuts time, dose
There's no need to acquire images during both stress and rest phases in dual-energy CT (DECT) myocardial perfusion imaging, say researchers from the U.S. and Germany. A stress phase combined with a delayed-enhancement phase performs just as well while reducing radiation dose by a third.
January 3, 2011
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Clinical News
Second-reader CAD improves VC sensitivity
Computer-aided detection (CAD) works best in virtual colonoscopy when human readers do their job first, according to a new study. The use of CAD as a second reader improved both per-patient and per-polyp detection, while running CAD concurrently with the initial read was less effective.
December 13, 2010
Conference
DNA damage reduced at 320-slice coronary CTA
CHICAGO - Low-dose coronary CT angiography (CTA) delivered far less DNA damage than conventional coronary angiography, researchers from Berlin reported on Monday at the RSNA meeting's cardiac imaging sessions.
November 28, 2010
Clinical News
Access trumps sophistication in bid to bring CT to Africa
A new program called CT for Africa aims to address global disparities in access to healthcare by making advanced imaging technology such as CT available in developing countries. The firm that launched the program, GE Healthcare, is delivering low-cost CT units to areas that previously only had access to radiography.
November 3, 2010
Clinical News
SIGGAR trial results a win-win for virtual colonoscopy
BOSTON - A decade-long colorectal cancer screening initiative involving more than a dozen radiologists and thousands of patients across the U.K. delivered positive early results at this week's International Symposium on Virtual Colonoscopy.
October 26, 2010
Clinical News
CT calcium scoring alters cardiac risk estimates
Ten-year outcomes data from the Rotterdam coronary artery calcium (CAC) study underscore the prognostic power of adding CAC to a traditional risk stratification method. New results in the Journal of the American College of Cardiology show that CAC scores frequently change the risk category for future coronary events in asymptomatic individuals.
October 13, 2010
Clinical News
New CAD for COPD parses disease type, severity
Dutch researchers are taking computer-aided detection (CAD) of the lungs beyond suspicious lung nodules and into the diagnosis of chronic obstructive pulmonary disease (COPD), aiming to identify the patients most likely to benefit from treatment.
September 30, 2010
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