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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CCTA bests traditional risk assessment tools for predicting plaque burden

Coronary risk stratification using a risk factor only-based scheme is a weak discriminator of the overall atherosclerotic plaque burden in individual patients compared to coronary CT angiography (CCTA), according to a study published in the January issue of the American Journal of Roentgenology.

Former CEO resigns from Molecular Insight board

David S. Barlow has resigned from the board of directors of Molecular Insight Pharmaceuticals, a Cambridge, Mass.-based developer of radiotherapeutics and molecular imaging agents in oncology and cardiology.

Siemens updates Arcadis C-arm

Siemens Medical Solutions highlighted enhancements to Arcadis C-Arms at the 2008 RSNA conference that took place in Chicago in December.

St. Jude nabs Radi Medical for $250M

St. Jude Medical has completed its acquisition of Radi Medical Systems for $250 million in cash.

Cardiac SPECT Sharpens Its Focus

If echocardiography is the workhorse of cardiovascular imaging for CAD, cardiac SPECT is its partner in the yoke.

The ongoing evolution of coronary CT

In a little over a decade, multidetector CT has evolved from 4-slice state-of-art prototypes to 320-slice production models. Cardiac imaging, with its need for exquisite temporal resolution, has driven much of the development of these more robust modalities.

Coronary CTA provides predictive power for obstructive disease

Although conventional invasive angiography remains the gold standard for detecting coronary artery disease (CAD), it is insensitive for detecting calcified atherosclerotic plaques and small, non-calcified plaques in the vessel wall. As such, it is limited in its capabilities to detect early atherosclerotic disease in patients with low to intermediate risk of CAD, according to a team of researchers from the departments of radiology and cardiology at Thomas Jefferson University Hospital in Philadelphia.

Coronary CTA provides predictive power for obstructive disease

Although conventional invasive angiography remains the gold standard for detecting coronary artery disease (CAD), it is insensitive for detecting calcified atherosclerotic plaques and small, non-calcified plaques in the vessel wall. As such, it is limited in its capabilities to detect early atherosclerotic disease in patients with low to intermediate risk of CAD, according to a team of researchers from the departments of radiology and cardiology at Thomas Jefferson University Hospital in Philadelphia.

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Around the web

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.

Cardiovascular Business
FDA clears AI tool that flags signs of heart disease in chest CT scans

The newly cleared offering, AutoChamber, was designed with opportunistic screening in mind. It can evaluate many different kinds of CT images, including those originally gathered to screen patients for lung cancer. 

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