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.

heart

Echocardiography most utilized modality for heart failure patients in Canada

Resting echocardiography stands head above shoulders as the most used imaging modality for patients with heart failure in Canada, according to a 14-year analysis published in JAMA Network Open.

August 12, 2019

Are patients undergoing unnecessary gated calcium CT imaging?

“Knowledge of CAC on a prior chest CT may eliminate the need for a subsequent dedicated gated calcium score CT, leading to earlier diagnosis and management of cardiovascular disease as well as decreasing radiation exposure and health care costs,” wrote authors of a recent study.

July 30, 2019

CT CAC associated with long-term mortality in young adults

A high coronary artery calcium (CAC) score was linked to an increased risk for cardiovascular disease (CVD) and mortality in patients between 30 and 49 years old, researchers of a new study published in JAMA Network Open found.

July 24, 2019

PET/CT detects cardiovascular risk factors accompanying obstructive sleep apnea

Positron emission tomography/computed tomography (PET/CT) shows a strong correlation between severe obstructive sleep apnea (OSA) and impaired coronary flow, making it an important tool for helping to avert cardiac complications that occur when OSA is left untreated.

June 26, 2019
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How a 40-minute MRI could help patients with angina

A 40-minute MRI scan to test for angina can spare patients from invasive angiography along with an overnight stay in the hospital, according to a recent study published in the New England Journal of Medicine.

June 24, 2019
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Philips updates, expands cardiac ultrasound platform

Royal Philips has rolled out the latest update for its EPIQ CVx and EPIQ CVxi cardiac ultrasound systems, expanding to include automated applications for 2D assessment of the heart and robust 3D measurements of right ventricular volume and ejection fraction.

June 21, 2019

High echo usage comes with increased costs, no difference in outcomes

“Although echocardiography plays an important role in the treatment of many patients with AMI, these findings suggest that a more selective approach may be safe and may reduce costs, particularly at high-use hospitals,” wrote authors of a new study published in JAMA Internal Medicine.

June 19, 2019

Higher CT CAC scores indicate future heart problems

Coronary artery calcium (CAC) levels spotted on CT scans in middle-age patients were connected to an increased risk of structural heart abnormalities indicative of future heart failure, according to a new study published in Circulation: Cardiovascular Imaging.

 

June 14, 2019

Around the web

Automated AI-generated measurements combined with annotated CT images can improve treatment planning and help referring physicians and patients better understand their disease, explained Sarah Jane Rinehart, MD, director of cardiac imaging with Charleston Area Medical Center.

Two advanced algorithms—one for CAC scores and another for segmenting cardiac chamber volumes—outperformed radiologists when assessing low-dose chest CT scans. 

"Gen AI can help tackle repetitive tasks and provide insights into massive datasets, saving valuable time," Thomas Kurian, CEO of Google Cloud, said Tuesday. 

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