Cardiac Imaging: Page 46

CT tube voltage doesn't affect AI FFR-CT analysis
By Erik L. Ridley
An artificial intelligence (AI) algorithm for estimating fractional flow reserve on coronary CT angiography (FFR-CT) had the same level of performance when used with CT tube voltages of either 100 or 120 kVp, according to research posted online April 30 in the American Journal of Roentgenology.
May 7, 2019
2019 01 03 21 20 8068 Artificial Intelligence Ai 400
AI model could enable gadolinium-free cardiac MRI
By Erik L. Ridley
Researchers developed an artificial intelligence (AI) algorithm that accurately detected chronic myocardial infarction on noncontrast-enhanced cardiac cine MRI, potentially obviating the need for gadolinium-based contrast agents in these patients, according to research published online April 30 in Radiology.
May 1, 2019
2016 10 04 14 10 28 621 Gadolinium 400
Radiation events prompt FDA notice on Rb-82 generators
By Wayne Forrest
The U.S. Food and Drug Administration (FDA) has bolstered its requirement for safety labels on rubidium-82 (Rb-82) generators for PET studies. The action follows reports of a "serious incident" of excess radiation exposure to patients caused by what the FDA called "user error."
April 30, 2019
2016 08 30 09 29 44 134 Radiation Symbol Circle 400
RSNA debuts cardiothoracic imaging journal
By AuntMinnie.com staff writers
The RSNA has launched Radiology: Cardiothoracic Imaging, a new online journal focusing on research and technical developments for medical imaging in cardiac, vascular, and pulmonary medicine.
April 25, 2019
Cardiac MRI flags signs of early heart disease in women
By Kate Madden Yee
The thickness of the coronary wall is a marker for coronary artery disease (CAD) in women, and it can be visualized using MRI -- giving clinicians a potential tool to recognize heart disease in women earlier, according to a study published online April 25 in Radiology: Cardiothoracic Imaging.
April 25, 2019
2017 02 10 15 45 57 410 Heart 400
3D-bioprinted model mimics real human heart properties
By Abraham Kim
Researchers from Israel have created a 3D-printed model that captures the immunological, biochemical, cellular, and anatomical properties of a real human heart, according to an article published online April 15 in Advanced Science.
April 15, 2019
2019 04 15 23 53 6527 3 D Bioprinted Heart 400
Researchers test new ultrasound method for heart disease
By Kate Madden Yee
Researchers from the University of Arkansas in Fayetteville have published results from a study testing a new ultrasound imaging method for the detection and diagnosis of congenital heart disease in infants and children.
April 4, 2019
2019 04 04 20 18 6447 Vector Flow 20190404200633
MRI can be safe for patients with implanted devices
By Wayne Forrest
Multiparametric 1.5-tesla MRI scans can be performed safely for certain prostate cancer patients with cardiac implantable electronic devices, but precautions are warranted, according to a study published in the April issue of the American Journal of Roentgenology.
April 3, 2019
2019 04 03 20 28 1884 Pacemaker Heart 400
AI algorithm identifies pacemaker type on radiographs
By Erik L. Ridley
Artificial intelligence (AI) software can quickly identify cardiac rhythm devices such as pacemakers on x-ray images, which could possibly speed up the diagnosis and treatment of emergent patients with faulty devices, according to research published online March 27 in JACC: Clinical Electrophysiology.
March 27, 2019
2018 08 27 23 46 8725 Heart Ekg 400
PET/MRI offers view to atherosclerotic disease origin
By Wayne Forrest
PET/MRI is providing an avenue for researchers to discover early indications of atherosclerotic disease and inflammation in arterial regions that have not yet developed plaques, which, in turn, lead to heart attack and stroke, according to a study published online March 25 in the Journal of the American College of Cardiology.
March 25, 2019
2019 03 25 23 23 9633 Heart Yellow 400
New ultrasound technique gauges kids' heart function
By Kate Madden Yee
A catheter-based ultrasound technique can measure heart function in children undergoing surgery with similar effectiveness as the more traditional method of inserting a probe around the patient's aorta, according to a study published online March 18 in Anesthesiology.
March 20, 2019
2017 02 10 15 45 57 410 Heart 400
ACC: Echocardiography identifies patients for valve repair
By AuntMinnie.com staff writers
Echocardiography can help determine which patients with heart failure and leaking heart valve would benefit from a valve repair procedure rather than traditional medical therapy, according to research presented at the American College of Cardiology (ACC) annual meeting in New Orleans.
March 18, 2019
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