RADIOLOGY NEWS
MRI links cardiac risk factors to cognition problems
July 28, 2015 -- MRI scans have demonstrated smaller regional brain volumes in people with certain cardiovascular risk factors, which could put them at risk for developing adverse cognitive issues, according to a study published online July 28 in Radiology.
New Mayo scoring system predicts CCU patient mortality
July 28, 2015 -- A predictive scoring system that combines both echocardiography and clinical data can reliably estimate three-year death rates in critical care unit (CCU) patients, according to research from the Mayo Clinic in Rochester, MN. The model is built on the fact that more heart patients are dying from noncardiovascular diseases.
Guerbet bids to buy Mallinckrodt's contrast business
July 27, 2015 -- French contrast agent developer Guerbet plans to acquire the contrast media and injector business of U.S. firm Mallinckrodt. The $270 million deal will double Guerbet's annual revenues, expand its product line, and instantly make the company a major player in the U.S. contrast market.
FDA eyes risks of gadolinium contrast brain deposits
July 27, 2015 -- The U.S. Food and Drug Administration (FDA) on Monday announced that it will investigate the risk of gadolinium-based contrast agents in the wake of several recent studies that found gadolinium deposits in the brains of some patients years after they received contrast-enhanced MRI scans.
Study maps CT radiation doses in 200K exams
July 27, 2015 -- Have you ever wondered how your facility's CT radiation dose levels stack up against those of other institutions? A study in Radiology describes the experience of researchers from five University of California campuses who measured dose in nearly 86,000 adults and children undergoing common CT scans.
Software aims for realism in echocardiography
July 27, 2015 -- A new echocardiography software package released this month analyzes cardiac structure and function pixel by pixel to render detailed functional 3D images that could speed up diagnosis and reduce the number of exams needed in patients undergoing cardiac workups.
Repeat MRI scans due to patient motion mean lost revenue
July 24, 2015 -- Having to retake MRI scans due to patient motion can easily cost a hospital upward of $100,000 in lost annual revenue, according to a study published in the July issue of the Journal of the American College of Radiology.
4D parathyroid CT sorts out lesion types
July 24, 2015 -- CT scans with 4D image reconstruction can separate parathyroid adenomas and hyperplastic lesions into three distinct lesion types based on enhancement patterns, alerting surgeons to the variations they will find, according to a study in Radiology. The findings also indicate that a three-phase scanning protocol is still needed, the authors believe.
Cardiac CTA study links medical radiation to DNA damage
July 23, 2015 -- A study published July 22 in JACC: Cardiovascular Imaging is delivering good news and bad news about medical radiation. The bad news: Researchers found measurable evidence of damage to DNA after cardiac CT angiography (CCTA) scans. The good news: There was no sign of damage at radiation levels lower than 7.5 mSv.
AHRA: Reducing radiation is simple but not easy
July 23, 2015 -- Managing radiation dose is a hot topic in healthcare among both clinicians and patients. So how can your facility address concerns about excess dose while also improving patient care? The solution is simple -- but not necessarily easy, according to a presentation this week at AHRA 2015 in Las Vegas.
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