Cardiovascular Radiology: Page 83

Contrast dose halved in coronary CTA
By Eric Barnes
CHICAGO - Contrast doses for CT angiography (CTA) are too high, but they can be lowered substantially with the right equipment and careful attention to technique, according to researchers from Charité University Medical School in Berlin.
December 1, 2009
Trial can't prove PCI to be noninferior to CABG for diabetics with complex CAD
By Reuters Health
NEW YORK (Reuters Health), Dec 1 - A large study of revascularization strategies in diabetics with multivessel coronary artery disease, which set out to show that angioplasty is not inferior to bypass surgery for these patients, could not prove its hypothesis.
November 30, 2009
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Coronary CTA edges CMR in a tight race
By Eric Barnes
CHICAGO - In a head-to-head comparison of two closely watched modalities, low-dose dual-source coronary CT angiography (CTA) outperformed cardiac MR (CMR) in sensitivity, specificity, and negative predictive value. But 1.5-tesla CMR countered with better specificity and positive predictive value.
November 30, 2009
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Chest pain: Simple criteria pinpoint who benefits most from cardiac CT angiography
By Reuters Health
NEW YORK (Reuters Health), Nov 30 - Women younger than 65 years and men younger than 55 with acute chest pain benefit most from cardiac CT angiography for suspected acute coronary syndrome, results of a study indicate.
November 29, 2009
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Automated segmentation could improve fetal heart echo
By Eric Barnes
A new method of segmenting the fetal heart with echocardiography could improve the evaluation of congenital heart defects compared to the time-consuming manual segmentation in use today, according to researchers from the U.K.
November 5, 2009
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In patients with stable chest pain, CT is more often diagnostic than exercise ECG
By Reuters Health
NEW YORK (Reuters Health), Nov 2 - Unlike exercise electrocardiography (XECG), CT angiography is "nearly always" feasible and diagnostic in patients with stable chest complaints, researchers say in the October issue of the journal Heart.
November 1, 2009
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Contrast ultrasound may spot early signs of atherosclerosis
By Erik L. Ridley
Contrast-enhanced ultrasound (CEUS) can allow for reliable quantification of the neovascularization of the carotid artery vasa vasorum, enabling early identification of a condition that can be a precursor to atherosclerosis, according to a presentation at this week's Advances in Contrast Ultrasound: ICUS Bubble Conference in Chicago.
October 19, 2009
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Coronary angiography safe for patients with chronic kidney disease
By Reuters Health
NEW YORK (Reuters Health), Oct 16 - Coronary angiography is a recommended screening test for many patients undergoing kidney transplantation, and now new research shows that it can be performed in those with advanced chronic kidney disease without further impairing kidney function.
October 15, 2009
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Angiography after non-ST-segment elevation MI linked with improved mortality
By Reuters Health
NEW YORK (Reuters Health), Oct 15 - Coronary angiography after non-ST-segment elevation myocardial infarction (NSTEMI) is associated with improved mortality across age, gender, and comorbidity groups, say U.K. researchers in the October Heart.
October 14, 2009
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FDG-PET uptake helps predict vascular events in cancer patients
By Wayne Forrest
German researchers have discovered that FDG uptake in major arteries is the "strongest predictor of a subsequent vascular event" in cancer patients, with severe calcification also indicating high risk, according to an article published in the October issue of the Journal of Nuclear Medicine.
October 8, 2009
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Lower dose for prospective CTA vs. angio
By AuntMinnieEurope.com staff writers
Coronary CT angiography (CTA) with prospective electrocardiogram gating allows accurate evaluation of coronary artery disease with significantly less radiation dose than conventional invasive angiography, according to a study from the German Heart Center in Munich.
September 29, 2009
Cardiac MR changes management in 62% of cases, study shows
By Wayne Forrest
A German study has found that cardiovascular MR changes clinical management in approximately two-thirds of heart patient cases and can also eliminate the need for additional imaging procedures. Researchers also concluded that cardiovascular MR with contrast is safe and produces diagnostic-quality images in 98% of cases.
September 24, 2009
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