Cardiovascular Radiology: Page 77

High-pitch CT cuts dose for patients with low heart rates

By Eric Barnes

Austrian radiologists have found a way to cut the radiation dose of coronary CT angiography studies to as low as 1 mSv by using a high-pitch scanning protocol on a 128-slice scanner for patients with low heart rates.

January 16, 2011

Low-dose CT coronary angiography diagnostic in most cases

By Reuters Health

NEW YORK (Reuters Health) - Low-dose CT coronary angiography could be sparing more patients from invasive angiography, a new report from Switzerland suggests. Results were reported in the January 18 Journal of the American College of Cardiology.

January 11, 2011

Stereotaxis adds CE Mark

By AuntMinnieEurope.com staff writers

Image-guided interventional surgery firm Stereotaxis has received the European CE Mark for its Vdrive robotic navigation system.

January 10, 2011

32-channel 3.0-T MRI and 64-slice CT detect CAD equally well

By Reuters Health

NEW YORK (Reuters Health) - In a prospective comparative study, 32-channel 3.0-tesla MRI and 64-slice CT angiography similarly identified significant coronary stenosis and similarly predicted revascularization in patients with suspected or known coronary artery disease (CAD).

January 9, 2011

Dual-phase DECT myocardial perfusion cuts time, dose

By Eric Barnes

There's no need to acquire images during both stress and rest phases in dual-energy CT (DECT) myocardial perfusion imaging, say researchers from the U.S. and Germany. A stress phase combined with a delayed-enhancement phase performs just as well while reducing radiation dose by a third.

January 3, 2011

Long after complicated pregnancy, maternal cardiac problems develop

By Reuters Health

NEW YORK (Reuters Health) - Many years after preeclampsia, women have an increased risk for cardiac dysfunction, Austrian researchers report in BJOG online November 18.

December 21, 2010

High blood glucose linked to contrast nephropathy in nondiabetics

By Reuters Health

NEW YORK (Reuters Health) - Acute hyperglycemia, even without diabetes, raises the risk of contrast-induced nephropathy and death in patients with ST-elevation myocardial infarction undergoing percutaneous coronary angioplasty, new research shows.

December 21, 2010

Czech prenatal US screening program improves CHD detection

By Erik L. Ridley

A review of 21 years of experience from the Czech Republic's national prenatal ultrasound screening program found significant and improving antenatal detection of congenital heart disease (CHD). But mortality still remains high, according to the research published in Heart.

December 20, 2010

Reentrant tachycardia recurs more often after cryoablation vs RF ablation

By Reuters Health

NEW YORK (Reuters Health) - In the short term, cryoablation and radiofrequency (RF) ablation were equally effective for atrioventricular nodal reentrant tachycardia in a German study -- but six months later, recurrence was higher with cryoablation.

December 5, 2010

DNA damage reduced at 320-slice coronary CTA

By Eric Barnes

CHICAGO - Low-dose coronary CT angiography (CTA) delivered far less DNA damage than conventional coronary angiography, researchers from Berlin reported on Monday at the RSNA meeting's cardiac imaging sessions.

November 28, 2010

Transcatheter aortic valve implantation beneficial for patients over 80

By Reuters Health

NEW YORK (Reuters Health) - Transcatheter aortic valve implantation is an effective alternative to surgery for patients over 80 years old, researchers from Germany report in the November 9 online issue of the American Journal of Cardiology.

November 27, 2010

CAD boosts new readers in diagnosing stenosis on CCTA

By Erik L. Ridley

CHICAGO - Computer-aided detection (CAD) software can improve the diagnosis of stenosis on coronary CT angiography (CCTA), although the level of performance gain varies by level of reader experience, according to research presented Sunday at the 2010 RSNA meeting in Chicago.

November 27, 2010

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