Cardiac Imaging

While cardiac ultrasound is the widely used imaging modality for heart assessments, computed tomography (CT), magnetic resonance imaging (MRI) and nuclear imaging are also used and are often complimentary, each offering specific details about the heart other modalities cannot. For this reason the clinical question being asked often determines the imaging test that will be used.

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3D heart model uses MRI to pinpoint source of arrhythmia

Cardiac specialists may be able to better identify scarred heart tissue and perform cardiac ablation in arrhythmia patients with a newly developed 3D imaging system based on cardiac MRI, according to research published Sept. 3 in Nature Biomedical Engineering.

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New mathematical pattern could make MRI scans 4X faster, decrease patient costs

A new mathematical pattern developed by Shekhar Chandra, PhD, from the University of Queensland in Australia, could make MRI scans four times faster, according to a university release from Sept. 11.

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International experts publish research map for GBCAs, gadolinium retention

The special report was created by a group of international researchers, gadolinium-based contrast agent (GBCA) manufacturers and representatives of the FDA at a workshop co-sponsored by the National Institutes of Health (NIH), the Radiological Society of North America (RSNA) and the American College of Radiology (ACR) in February.  

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First NICU MRI machine in the US installed at Boston hospital

The first FDA-approved MRI system in the U.S. to provide medical imaging for newborns in a Neonatal Intensive Care Unit (NICU) was recently installed at Brigham and Women’s Hospital in Boston, NBC 10 reported on Sept. 8.

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Pediatric head CT rates remain high despite ongoing efforts

Pediatric CT neuroimaging has not decreased in the last decade despite ongoing efforts to identify children with traumatic brain injury (TBI) who should avoid scans, according to research published in the September issue of Pediatrics.

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Machine learning bests physicians in predicting heart disease mortality

A machine learning platform accurately predicted mortality in patients with heart disease, outperforming models created by medical experts, according to an Aug. 31 study in PLOS One.

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Elastography, echogenicity discriminate plaques in symptomatic stenosis patients

Combining ultrasound elastography and echogenicity analysis may better distinguish between plaques in patients with symptomatic internal carotid artery (ICA) stenosis than in those without symptoms, according to an Aug. 30 study in the American Journal of Roentgenology.

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Gadolinium MRI links left atrial fibrosis to high risk of arrhythmias in endurance athletes

Research presented at the 2018 European Society of Cardiology (ESC) annual meeting found that left atrial fibrosis in endurance athletes could increase risk of arrhythmias like atrial fibrillation (AFib), according to an article published Aug. 31 by Cardiovascular Business.

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Around the web

Cardiovascular Business
Positron partners with Upbeat Cardiology Solutions to improve cardiac PET/CT access

Positron, a New York-based nuclear imaging company, will now provide Upbeat Cardiology Solutions with advanced PET/CT systems and services. 

Cardiovascular Business
Global shortage of nuclear imaging isotopes may be over

The nuclear imaging isotope shortage of molybdenum-99 may be over now that the sidelined reactor is restarting. ASNC's president says PET and new SPECT technologies helped cardiac imaging labs better weather the storm.

Cardiovascular Business
‘A huge win’: CMS significantly increases Medicare payments for cardiac CT

CMS has more than doubled the CCTA payment rate from $175 to $357.13. The move, expected to have a significant impact on the utilization of cardiac CT, received immediate praise from imaging specialists.