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Imaging

 

Guidelines from the Society of Vascular Surgery recommend yearly surveillance imaging with CT scanning or ultrasonography after patients undergo endovascular aortic aneurysm repair (EVAR) for abdominal aortic aneurysms (AAA). Still, the frequent use of imaging may not be necessary in some patients, based on results of a study published online in JAMA Surgery on July 8.

 

Recent Headlines

Coronary artery calcification test predicts mortality over 15-year period

A coronary artery calcification (CAC) test performed at one medical center accurately predicted mortality over a 15-year period in patients who were at risk for coronary artery disease but did not have any symptoms at baseline. The CAC score measures the amount and density of calcium in a person’s heart arteries.

Coronary angiography following cardiac arrest improves survival

Performing immediate coronary angiography following cardiac arrest led to improvements in survival among patients with and without STEMI, according to a retrospective registry analysis.

OCT tops IVUS, NIRS for predicting periprocedural MI

And the winner is … optical coherence tomography (OCT). A head-to-head comparison of three imaging modalities found that OCT was the sole independent predictor of periprocedural MI in patients with coronary artery disease.

CCTA and MPI in acute chest pain patients yield similar outcomes, resource use

After 40 months of follow-up, patients with acute chest pain had similar outcomes and resource utilization whether they were randomized to undergo coronary computed tomography angiography (CCTA) or myocardial perfusion imaging (MPI) at an inner city medical center. The primary outcome of cardiac catheterizations not leading to revascularization was similar in the groups.

Early results find fused fluoro/echo imaging system effective in kids with CHD

Researchers from Children’s Hospital Colorado have had success using a fused fluoroscopic and echocardiographic imaging system in children with congenital heart disease, a patient population that typically has not used the system.

ASE scientific sessions to highlight point-of-care ultrasound, strain imaging and 3D echocardiography

At the American Society of Echocardiography (ASE) annual scientific sessions, the use of point-of-care echocardiography is among the major topics of discussion. The conference takes place from June 12 to June 16 at the Hynes Convention Center in Boston.

CCTA’s insights on plaque may help track treatment response

Coronary CT angiography (CCTA) may allow cardiologists to assess the progression or regression of plaque in asymptomatic patients at low to moderate risk who are treated with statins, according to a study published in Radiology on June 2. The study also shed light on predictors of noncalcified plaque.

Imaging change cuts radiation exposure during TAVR procedures

Operators performing transcatheter aortic valve replacement (TAVR) procedures reduced radiation dose by 27 percent by modifying imaging settings. Using a lower setting didn’t affect screening time, procedure time, contrast use or procedural outcomes.

Endovascular treatment trials underscore CT imaging’s value

Several late-breaking clinical trials at the 2015 American Stroke Association conference raised hope that device-based endovascular treatment improved outcomes in patients with ischemic stroke. For imagers, the results also raised questions about their role going forward.

Drinking alcohol may contribute to heart problems for older adults

Older adults who drank two or more alcoholic beverages each day had changes in cardiac structure and function, according to a large, community-based study. Results were published online in Circulation: Cardiovascular Imaging on May 26.

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