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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PET technique visualizes amyloid deposits in heart

PET with 11C-PIB provides a noninvasive method for visualizing amyloid deposits in the heart, according to a study published in the February issue of the Journal of Nuclear Medicine. The researchers suggest that 11C-PIB eventually may be used in the clinical setting as both a diagnostic tool and a treatment follow-up method.

CTCA useful for risk stratification prior to noncardiac surgery

Use of CT coronary angiography (CTCA) for predicting cardiovascular events following noncardiac surgery has been shown to add value over assessing clinical risk factors alone, according to a study published in the February issue of the Journal of the American College of Cardiology. However, an accompanying editorial stopped short of recommending the approach.

GE launches cardiac MR software

GE Healthcare has released two cardiac imaging analysis software technologies, CardiacVX and MR VesselIQ Xpress.

CTA appropriateness criteria: Improved, but gaps remain

The 2010 update to the appropriateness criteria (AC) for cardiac CT made them more clinically useful than the original 2006 criteria, but high interobserver variability remains, according to a study published online Jan. 30 in the Journal of the American College of Radiology.

Tech upgrade pushes sub-mSv CCTA envelope

The median radiation dose among a cohort of 107 patients undergoing coronary CT angiography (CCTA) fell to 0.93 mSv using a second-generation, 320-slice system, according to a study published online Jan. 22 in Radiology.

Toshiba partners with Perkins Healthcare Technologies for video integration

Toshiba American Medical Systems has entered into a strategic partnership with Dallas-based Perkins Healthcare Technologies to provide integrated video management technologies to its customers. 

Routine echo may be unnecessary in blunt trauma

Although a mainstay in trauma imaging for more than two decades, the cardiac portion of focused assessment with sonography in trauma (FAST) is likely unwarranted in blunt trauma due to the extremely low prevalence of hemopericardium among these patients, according to a study in this month's issue of The Journal of Emergency Medicine. The authors recommended selective use of echo guided by high-acuity variables.

SCCT accepting applications for Toshiba Young Investigator Award

The Society of Cardiovascular Computed Tomography (SCCT) is accepting applications for the seventh annual Toshiba Young Investigator Award (YIA).

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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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