CT: Page 340

Coronary calcium tops list of heart disease predictors
By Eric Barnes
Elevated coronary artery calcium as detected on CT scans is the most important among several predictors of cardiovascular events over time, according to a new analysis of more than 1,000 patients published in the Journal of the American Medical Association.
August 20, 2012
Toshiba names new CT director
By AuntMinnie.com staff writers
Toshiba America Medical Systems has appointed Satrajit Misra as senior director of its CT business unit.
August 20, 2012
New risk model predicts need for CT lung screening
By Eric Barnes
A new risk model for lung cancer goes where Framingham dared to tread for heart disease: providing sophisticated assessments of which individuals would most likely benefit from CT lung screening, according to a report in the August 21 issue of Annals of Internal Medicine.
August 20, 2012
Siemens nets 1st U.S. Perspective CT scanner install
By AuntMinnie.com staff writers
Siemens Healthcare has completed the first U.S. installation of its 128-slice Somatom Perspective CT scanner.
August 19, 2012
Iterative reconstruction cuts CT dose for urinary stone disease
By Eric Barnes
Iterative reconstruction allows steep CT radiation dose reductions in urolithiasis imaging without loss of image quality or diagnostic confidence, researchers from Massachusetts General Hospital have found. The results may help allay fears of potentially excessive radiation in these oft-repeated scans.
August 19, 2012
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ABR Foundation hosts imaging safety summit
By AuntMinnie.com staff writers
The American Board of Radiology Foundation (ABRF) will hold its 2012 summit on safe and appropriate use of medical imaging on August 23 and 24 in Bethesda, MD.
August 15, 2012
Lung group says VA to start CT lung cancer screening
By AuntMinnie.com staff writers
The U.S. Department of Veterans Affairs (VA) will move to begin lung cancer screening in high-risk individuals at its U.S. facilities, according to screening advocacy group Lung Cancer Alliance.
August 12, 2012
CCTA equal to cardiac cath for guiding CAD therapy choices
By Eric Barnes
Coronary CT angiography (CCTA) was nearly perfectly in line with cardiac catheterization in its selection of therapies for patients with a high likelihood of coronary artery disease (CAD), according to a new study in Radiology. The results showed that CCTA can determine patient management as well as invasive angiography while sparing many patients from invasive procedures, researchers said.
August 12, 2012
Algorithm boosts temporal resolution in CCTA
By Eric Barnes
Today's cardiac CT is more robust than ever, broadening the range of patients who can be imaged. One new tool improves all-important temporal resolution even in midrange scanners. The software creates a hybrid sample of image data to improve temporal resolution in cardiac CT angiography (CCTA) images of obese patients.
August 9, 2012
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Physician education busts inappropriate CCTA use
By Eric Barnes
A study of more than 25,000 patients in Michigan shows that inappropriate use of coronary CT angiography (CCTA) can be drastically curtailed by educating the doctors who order heart scans, according to results published on August 8 in the Journal of the American College of Cardiology.
August 7, 2012
CAD cuts variability in low-dose CT lung screening
By Erik L. Ridley
For all of its benefits, low-dose CT lung cancer screening can suffer from considerable variability between radiologists reading the studies. But computer-aided detection (CAD) software can help close the gap, researchers reported in the August issue of Investigative Radiology.
August 7, 2012
Modular training software teaches techs the art of VC
By Eric Barnes
A new software-based training tool from the University of Chicago promises to train CT technologists in the complex procedure of virtual colonoscopy -- minus the image interpretation. The tool could help meet training needs should virtual colonoscopy come into widespread use for colorectal cancer screening.
August 6, 2012
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