Cardiovascular Radiology: Page 168

Analysis favors coronary CTA over stress MPS for chest pain
By Eric Barnes
In most chest pain patients, coronary CT angiography (CTA) surpasses its rival -- stress myocardial perfusion scintigraphy (MPS) -- for diagnosing coronary artery disease, according to the results of a new model analysis comparing the two techniques.
January 14, 2010
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MRI used in heart valve operation
By AuntMinnie.com staff writers
Surgeons at King's Health Partners Academic Health Sciences Center in London recently used MRI, rather than x-ray, to guide a procedure to widen a heart valve in a 6-year-old boy.
January 13, 2010
FDA clears Stereotaxis catheter
By AuntMinnie.com staff writers
Image-guided interventional surgery firm Stereotaxis has received clearance from the U.S. Food and Drug Administration for a magnetic irrigated catheter.
January 11, 2010
AuntMinnie.com Cardiac Imaging Insider
By Eric Barnes
January 10, 2010
CTA motion model aims to improve cardiac function analysis
By Eric Barnes
Dutch researchers used an automated coronary artery motion model to analyze cardiac function from electrocardiogram-gated coronary CT angiography (CTA) data. The method promises to improve cardiac function analysis and reconstruction interval selection, and even provide new information on coronary artery motion at different heart rates.
January 10, 2010
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DSCT edges out 64-slice CT in coronary artery imaging
By Eric Barnes
Coronary CT angiography performed on dual-source CT (DSCT) confers a slight advantage in image quality with slightly fewer nondiagnostic vessel segments compared to 64-detector-row CT. Calcification remains a challenge with both types of scanners, but it's slightly less problematic with dual-source systems, say researchers from the University of Rome.
January 7, 2010
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Patients with peripheral arterial disease may need cardiac imaging
By Edward Susman
As many as one in five patients being treated for peripheral arterial disease have concurrent -- but silent -- asymptomatic coronary artery disease that's severe enough to require invasive procedures, according to a study presented at the RSNA meeting earlier this month.
December 29, 2009
ACC sues HHS over Medicare cuts
By AuntMinnie.com staff writers
The American College of Cardiology (ACC) filed suit on Monday against the U.S. Department of Health and Human Services (HHS), alleging that severe cuts in the 2010 Medicare Physician Fee Schedule will render the practice of cardiology "nonviable and unsustainable."
December 28, 2009
GE licenses molecular radiotracers
By AuntMinnie.com staff writers
GE Healthcare has licensed technology related to molecular radiopharmaceuticals from the Medical College of Wisconsin in Milwaukee.
December 28, 2009
SurgiVision files for IPO
By AuntMinnie.com staff writers
MRI coil developer SurgiVision has filed documents with the U.S. Securities and Exchange Commission for an initial public offering.
December 22, 2009
MRI shows age- and gender-based differences in myocardial motion
By Eric Barnes
People who suspect that men's and women's hearts march to different drummers now have proof from cardiac MRI. Myocardial motion is strongly influenced by gender as well as age, according to researchers from Freiburg, Germany.
December 17, 2009
FDA warns of pacemaker, MRI issues
By AuntMinnie.com staff writers
The magnetic pulses from an MRI scan may mix with the electronic pulses from a pacemaker, potentially endangering a patient undergoing MR-based imaging procedures.
December 16, 2009
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