Cardiovascular Radiology: Page 80

Toshiba highlights CT software at ECR

By AuntMinnieEurope.com staff writers

VIENNA - Toshiba Medical Systems Europe is highlighting new software applications for functional CT imaging at this week's European Congress of Radiology (ECR).

March 5, 2010

Coronary CTA predicts long-term outcomes

By Eric Barnes

VIENNA - A decade's worth of coronary CT angiography (CTA) studies is starting to reveal the modality's long-term predictive powers, if a study from one of Poland's largest heart centers is any indication.

March 5, 2010

High pitch equals low dose in coronary CT angiography

By Eric Barnes

VIENNA - High-pitch dual-source CT exams can evaluate the coronary arteries using about a third of the dose of even prospectively triggered exams, according to a study presented in Thursday's cardiac sessions of the European Congress of Radiology.

March 3, 2010

CT blood-flow measurement gauges stenosis severity

By Eric Barnes

64-detector-row CT has sufficient temporal resolution to measure blood flow through the heart, offering the promise of a new functional test based on CT alone, according to a proof-of-concept study by German researchers.

February 25, 2010

Coronary CTA and MR MPI have complementary roles

By Eric Barnes

Coronary CT angiography (CTA) and MR myocardial perfusion imaging (MPI) work best as a team for evaluating chest pain patients with suspected coronary artery disease, according to a new study published online in Radiology.

February 21, 2010

Study to compare 320-row CT perfusion against SPECT

By Eric Barnes

Following up on the CORE 64 study that tested the value of coronary CT angiography vis-à-vis angiography, researchers have launched a new international trial to compare 320-detector-row CT perfusion to SPECT myocardial perfusion imaging for detecting early coronary artery disease.

February 9, 2010

CT better than MRI for ruling out coronary disease

By Reuters Health

NEW YORK (Reuters Health), Feb 2 - When a noninvasive test for ruling out coronary artery disease is appropriate, CT-based angiography is more sensitive and specific than MRI-based angiography, a new meta-analysis shows.

February 1, 2010

Medical images unlikely to change risky behavior, study shows

By Donna Domino

If you show an obese person a medical image of their plaque-clogged arteries, will it help motivate them to get more exercise? Not necessarily, although you might have better luck getting smokers to change their ways, according to a new review of literature from the Cochrane Collaboration.

January 24, 2010

Italian researchers cut gadolinium dose -- as well as NSF risk

By Wayne Forrest

A half dose of a commercially available MRI contrast agent works as well as a full dose in patients with acute myocardial infarction, according to Italian researchers. The findings show it's possible to achieve shorter imaging times while protecting renally impaired cardiac patients at risk for nephrogenic systemic fibrosis (NSF).

January 20, 2010

MRI used in heart valve operation

By AuntMinnieEurope.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

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

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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