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Cardiovascular Radiology: Page 84
High-pitch cardiothoracic CTA skips breath-holds and high doses
By
Eric Barnes
A new way to use CT angiography (CTA) to scan fast-moving targets -- such as fidgety children and grown-ups with rapid heartbeats -- is becoming routine at a hospital in France.
July 6, 2009
MRA recommended over CTA for following Kawasaki disease
By
Wayne Forrest
Italian researchers recommend coronary MR angiography (MRA) as the modality of choice in the follow-up of patients with Kawasaki disease to reduce the potential cumulative effect of radiation exposure from repeat CT angiography (CTA) exams.
July 5, 2009
Images may look different on sitting gamma cameras
By
AuntMinnieEurope.com staff writers
TORONTO - Cardiac images produced on gamma cameras in which patients are imaged in the sitting position may look different than those from standard supine-oriented gamma cameras, a phenomenon that clinicians should be aware of, according to a presentation at this week's SNM meeting.
June 16, 2009
Hybrid coronary CTA, SPECT offer less radiation, shorter scan time
By
Wayne Forrest
TORONTO - Swiss researchers have developed a hybrid cardiac imaging method that combines coronary CT angiography (CTA) with SPECT myocardial perfusion imaging to predict relevant coronary lesions with considerably less radiation dose and scanning time.
June 14, 2009
MR stress alone sufficient for myocardial perfusion
By
Eric Barnes
Use of an automated postprocessing tool eliminates the need for both a stress and rest exam in myocardial perfusion MRI, according to researchers from Germany. They found that quantitative assessment of stress MRI images alone delivers the same diagnostic performance as semiquantitative evaluation of both stress and rest perfusion exams.
June 11, 2009
Stenosis severity tied to acute coronary syndrome risk
By
Reuters Health
NEW YORK (Reuters Health), Jun 3 - Although myocardial infarction has been generally thought to be associated with coronary stenoses with a diameter reduction of less than 50%, this may not be the case, Belgian researchers report in the May issue of the
American Journal of Cardiology
.
June 2, 2009
GE wins CZT gamma camera installs
By
AuntMinnieEurope.com staff writers
GE Healthcare has received contracts for four installations of its nuclear cardiology camera based on cadmium zinc telluride (CZT) digital detectors, the company said.
May 27, 2009
Pie software gets FDA nod
By
AuntMinnieEurope.com staff writers
Imaging firm Pie Medical Imaging has received U.S. Food and Drug Administration clearance for its CAAS MR Flow software.
May 26, 2009
Echocardiography predicts heart disease mortality when ECG does not
By
Reuters Health
NEW YORK (Reuters Health), May 22 - Exercise echocardiography can predict mortality and major cardiac events in patients with known or suspected coronary artery disease, but who have normal exercise electrocardiogram (ECG) results, new research indicates.
May 21, 2009
New echocardiography tool offers rapid, accurate assessment of LV function
By
Reuters Health
NEW YORK (Reuters Health), May 12 - Norwegian researchers have developed a new semiautomated tool for real-time 3D echocardiography, which offers "rapid and reproducible measurements of left ventricular [LV] volumes and ejection fractions," with good agreement compared with more conventional 3D echocardiography.
May 11, 2009
Biological dose measures promise new view of cardiac imaging risk
By
Eric Barnes
The development of biological radiation dose measurement portends a future of far greater accuracy in gauging the damage wrought by ionizing radiation in imaging exams. Two studies, focused on cardiac CT and conventional angiography exams, respectively, offer the potential of maximizing image quality while minimizing the potential radiation risk to the patient.
April 30, 2009
Pericardial adipose tissue associated with coronary atherosclerosis
By
Reuters Health
NEW YORK (Reuters Health), Apr 30 - Pericardial adipose tissue (PAT) seen on CT scans is a risk factor for coronary atherosclerosis, according to a report in the May issue of
Arteriosclerosis, Thrombosis, and Vascular Biology
.
April 29, 2009
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