Cardiac Imaging: Page 131

Imaging evolves to lead atherosclerosis care
By Eric Barnes
CHICAGO - The management of atherosclerosis, the No. 1 cause of death in the U.S., has been reinvented by advances in imaging technology, according to a panel presentation on Sunday at the RSNA 2011 meeting.
November 27, 2011
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High-pitch coronary CTA limited to slower heart rates
By Eric Barnes
Contrary to some previous studies, high-pitch, dual-source coronary CT angiography (CCTA) scans should be reserved for patients with the slowest heart rates, according to a new study published in the December issue of Radiology.
November 24, 2011
AHA: CT calcium scoring broadens heart attack risk prediction
By Eric Barnes
CT-based calcium scoring is a strong predictor of heart attacks in the young and old, not just the typical middle-aged individual at intermediate risk, according to a study presented on Wednesday at the 2011 American Heart Association (AHA) meeting in Orlando, FL.
November 16, 2011
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AHA: CCTA demonstrates low rate of downstream procedures
By Eric Barnes
For as long as 2.5 years after undergoing coronary CT angiography (CCTA), invasive angiography and revascularization are uncommon, even in patients with significant coronary artery disease at CT, according to a report presented on Tuesday at the American Heart Association (AHA) meeting.
November 15, 2011
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JAMA: CCTA generates more interventions versus stress testing
By Eric Barnes
An analysis of more than 300,000 Medicare patients being evaluated for heart disease found that those who received coronary CT angiography (CCTA) were more likely to go on to invasive cardiac procedures compared with those who received myocardial perfusion scintigraphy, according to results published in the November 16 Journal of the American Medical Association.
November 14, 2011
Study finds gadolinium-enhanced cardiac MRI often exceeded FDA guidelines
By Wayne Forrest
Tuesday, November 29 | 3:30 p.m.-3:40 p.m. | SSJ04-04 | Room S503ABA review of research from 2004 to 2010 has found that cardiac MRI studies routinely use higher gadolinium doses than recommended by the U.S. Food and Drug Administration (FDA) and clinical trials should be conducted to determine the appropriate doses of gadolinium enhancement of the myocardium.
November 14, 2011
Single dose of gadobutrol may be enough for cardiac MRI
By Wayne Forrest
Tuesday, November 29 | 3:20 p.m.-3:30 p.m. | SSJ04-03 | Room S503ABA study by Italian researchers suggests that a single dose of the MRI contrast agent gadobutrol is just as effective as a double dose of gadopentetate dimeglumine in cardiac MR imaging.
November 14, 2011
New MRI technique helps detect left ventricular myocardial scars
By Wayne Forrest
Monday, November 28 | 11:20 a.m.-11:30 a.m. | SSC01-06 | Room S502ABChinese researchers are giving high marks to a new free-breathing 3D phase-sensitive inversion recovery turbo FLASH pulse sequence for detecting left ventricular myocardial scars in patients with coronary artery disease.
November 14, 2011
ASE says it's happy with Definity label change
By AuntMinnie.com staff writers
The American Society of Echocardiography (ASE) said that it's pleased that the U.S. Food and Drug Administration has made positive revisions to the U.S. label for Lantheus Medical Imaging's Definity ultrasound contrast agent.
November 10, 2011
Myocardial perfusion stress CT moves to clinical use
By Eric Barnes
Tuesday, November 29 | 10:50 a.m.-11:00 a.m. | SSG02-03 | Room S503ABCardiac CT is ready for the comprehensive assessment of coronary artery disease in routine clinical use, say researchers from the Medical University of South Carolina. In the group's initial experience applying myocardial perfusion CT to a clinical population with acute chest pain, the technique detected myocardial perfusion defects just as well as the reference standards, MRI and SPECT.
November 9, 2011
CT approaches IVUS in plaque detection
By Eric Barnes
Monday, November 28 | 3:30 p.m.-3:40 p.m. | SSE03-04 | Room S502ABA study comparing CT to intravascular ultrasound (IVUS) for plaque detection found that CT isn't quite ready to take on ultrasound -- but it's not far off, the authors concluded.
November 9, 2011
CT equivalent to MRI in evaluating ventricular size, function
By Eric Barnes
Monday, November 28 | 3:10 p.m.-3:20 p.m. | SSE03-02 | Room S502ABVentricular size and function are important for diagnosing and managing patients with several conditions. Fortunately, dual-source CT has caught up to the reference standard, MRI, for the task, say researchers from the Medical University of South Carolina.
November 9, 2011
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