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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AJC: CCTA links soft plaque w/ greater risk of CV events

Coronary CT angiography (CCTA) provides long-term incremental value in patients at intermediate risk of coronary artery disease, particularly for those with noncalcified and mixed plaques, according to a five-year follow-up study published online Dec. 24 in the American Journal of Cardiology.

Intravascular imaging catheter developer Avinger raises $25M, switches execs

Avinger, a medical device manufacturer of catheters for treating peripheral artery disease, has completed a $25 million Series B round of funding.

SCAI: Team-based approach, advanced imaging key to cath lab future

Incorporating advanced digital imaging modalities and storage, team-based approaches to cardiac care and hiring health IT staff to master new technologies will likely be the wave of the future for improving the cath lab, as well as its outcomes, according to a Society for Cardiovascular Angiography and Interventions (SCAI) white paper, published Jan. 10.

JACC Feature: Multiple CAC scans predict mortality

Serial coronary artery calcium (CAC) scans showing calcium progression have prognostic significance for all-cause mortality. However, how to use this information and what therapies may be of value remain unknown, according to a study in the December issue of the Journal of the American College of Cardiology: Imaging.

JACC Feature: CCTA has prognostic value in chest pain patients

A normal coronary CT angiography (CCTA) test conveys an excellent prognosis for symptomatic patients being evaluated for coronary artery disease (CAD), while findings of increasing CAD convey incremental risk, according to a meta-analysis published online Dec. 8 in the Journal of the American College of Cardiology.

JACC: CT imaging helps pre-plan for TAVI

Pre-procedural CT scans can predict optimal angiographic deployment projections for transcatheter aortic valve implantation (TAVI), according to a study in the November issue of the Journal of the American College of Cardiology: Cardiovascular Interventions.

EHJ: Socioeconomics, education affect HF hospitalization

Poorly educated people are more likely to be admitted to the hospital with chronic heart failure (CHF) than the better educated, even after differences in lifestyle have been taken into account, based on a study published online Dec. 9 in the European Heart Journal.

RSNA: CT could screen obese w/ sleep apnea for coronary disease

People with obstructive sleep apnea have more non-calcified and mixed plaque in their coronary arteries, according to a study presented at the annual meeting of the Radiological Society of North America (RSNA).

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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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