Cardiac Imaging: Page 172

IAEA study finds that interventional dose may be too high
By Brian Casey
Many patients at hospitals in developing countries may be getting too much radiation dose during interventional radiology and cardiology procedures, according to a study sponsored by the International Atomic Energy Agency (IAEA) and published in the August issue of the American Journal of Roentgenology.
August 4, 2009
Lower-kilovoltage coronary CTA maintains image quality
By Eric Barnes
In a study that included all but the heaviest cardiac imaging patients, European and Japanese researchers were able to cut radiation dose by 31% in coronary CT angiography (CTA) studies by reducing the kilovoltage from 120 kV to 100 kV, with no difference in image quality.
August 4, 2009
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Digisonics wins Colorado contract
By AuntMinnie.com staff writers
Ultrasound image management firm Digisonics has won a contract with a Colorado cardiology group for its DigiNet Pro system.
July 30, 2009
Study: Iso-osmolar contrast not safer for kidneys
By AuntMinnie.com staff writers
A meta-analysis examining contrast agent safety in nearly 3,000 subjects found no evidence that a more expensive iso-osmolar agent resulted overall in fewer contrast-induced acute kidney injuries compared to cheaper low-osmolar alternatives.
July 29, 2009
Dual-source CTA turns in mixed results for coronary stenoses
By Wayne Forrest
Dual-source CT angiography (CTA) achieves a high negative predictive value in excluding coronary artery stenoses in patients with stable coronary artery disease, but the modality is "very limited" in its ability to predict the presence of ischemia, according to a study by German researchers.
July 29, 2009
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TeraRecon, Agfa offer cardiac CT tools
By AuntMinnie.com staff writers
Advanced visualization firm TeraRecon and Agfa HealthCare have released a cardiac CT review and reporting application.
July 26, 2009
Carestream debuts cardiology PACS offering
By AuntMinnie.com staff writers
Carestream Health has added a new Web-based cardiology PACS to its image management portfolio.
July 26, 2009
Medtronic, Abbott bury patent-dispute hatchet
By AuntMinnie.com staff writers
Interventional device developers Medtronic and Abbott Laboratories have settled their global vascular patent litigation.
July 26, 2009
Zero calcium means good outcomes, even with undetected plaques
By Eric Barnes
Patients with coronary artery plaques -- soft, mixed, or otherwise -- that go undetected in a calcium scan still have a good prognosis, according to a new study presented at last week's Society of Cardiovascular Computed Tomography meeting in Orlando, FL.
July 22, 2009
Pharmalucence gets OK for generic sestamibi
By AuntMinnie.com staff writers
Radiopharmaceutical product supplier Pharmalucence has received U.S. Food and Drug Administration approval to manufacture and market its kit for preparing technetium-99m sestamibi injection.
July 20, 2009
Adding PET to 64-slice CT aids detection of heart disease
By Wayne Forrest
Adding functional data from PET to 64-slice coronary CT angiography can improve the latter's ability to detect coronary artery disease, overcoming the modality's historic weak point in specificity, according to U.K. researchers.
July 19, 2009
Prospectively gated coronary CTA nearly equals normal-dose scans
By Eric Barnes
Researchers in Italy report that low-dose prospectively gated coronary CT angiography (CTA) scans are nearly equivalent to retrospectively gated exams in diagnostic accuracy, while reducing radiation dose by up to 72%, according to an article published in the Journal of the American College of Cardiology.
July 16, 2009
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