Subspecialties: Page 1329

Part II: Palliative steps prevent contrast-induced nephropathy

By Eric Barnes

AuntMinnie.com is pleased to present the second half of our two-part series on avoiding contrast-related nephropathy. In the second installment, nephrologist Dr. Richard Solomon from the University of Vermont discusses preventive strategies for imaging the at-risk patients defined in part I of the series.

September 19, 2005

Low-dose CT calcium scores near-equivalent of higher dose

By Eric Barnes

Reducing the CT tube current by half had almost no effect on coronary artery calcium (CAC) assessment, researchers reported in the September issue of Radiology. The results add weight to the findings of a handful of other in vivo studies, which have concluded that coronary artery calcium assessment with MDCT is sufficiently robust to allow for dramatic dose reductions.

September 19, 2005

Xograph inks U.K. Ziehm sale

By AuntMinnie.com staff writers

U.K. radiology products supplier Xograph Imaging Systems has sold a Ziehm Vision Ortho Plus mobile C-arm to Bristol Royal Hospital for Children in the U.K.

September 18, 2005

Too much information: fMRI indicates lack of discrimination at fault for senior forgetfulness

By Shalmali Pal

According to a new neuroimaging study, older people who experience forgetfulness may not necessarily have memory problems. Rather, they may be losing their ability to filter out irrelevant information and focus on the matter at hand. Researchers came to this conclusion after using functional MRI (fMRI) to assess the impact of normal aging on a cognitive mechanism known as "top-down modulation," which supports memory and attention.

September 18, 2005

MR colonography shows promise, with drawbacks, in diverticulitis

By Eric Barnes

Overall, dark-lumen MR colonography (MRC) does a good job of detecting sigmoid diverticulitis, researchers from University Hospital in Essen, Germany, concluded in the online edition of European Radiology. But the study also revealed shortcomings in the technique.

September 18, 2005

FDA approves Abbott carotid stent

By AuntMinnie.com staff writers

The Food and Drug Administration has approved a carotid stent from Abbott Laboratories that's designed to be a minimally invasive treatment for patients with carotid artery disease.

September 15, 2005