Lower contrast agent dose feasible in 320 row CT angiography

The analysis of 180 CT angiography studies done using a 320 detector row CT scanner found that a contrast media protocol based on 60 milliliters of iopamidol "had sufficient enhancement in more than 96% of coronary segments," said Frank Rybicki, MD, of Brigham and Women's Hospital in Boston, and one of the authors of the study.

"Many centers currently use a higher iodine load comparable or equal to 80 milliliters of iopamidol," he said. The study shows that "this is not necessary, and the extra contrast means unnecessary costs and increased risk of contrast-induced nephropathy (CIN) to the patients." The risk of CIN is of special concern for these patients because they commonly have a renal insufficiency, which is known major risk factor for CIN, Dr. Rybicki added.

"We analyzed larger patients only (those with a of more than 30) and found that 92% of coronary segments had sufficient enhancement," said Dr. Rybicki. "These results support the general use of 60 milliliters of iopamidol for done on 320 detector row CT scanners," he said.

The study is published in the October, 2011 .

Provided by American Roentgen Ray Society

5 /5 (1 vote)
add to favorites email to friend print save as pdf

Related Stories

Recommended for you

Doctor behind 'free radical' aging theory dies

23 hours ago

Dr. Denham Harman, a renowned scientist who developed the most widely accepted theory on aging that's now used to study cancer, Alzheimer's disease and other illnesses, has died in Nebraska at age 98.

Mexican boy who had massive tumor recovering

Nov 25, 2014

An 11-year-old Mexican boy who had pieces of a massive tumor removed and who drew international attention after U.S. officials helped him get treatment in the southwestern U.S. state of New Mexico is still recovering after ...

New medical device to make the mines safer

Nov 21, 2014

Dehydration can be a serious health issue for Australia's mining industry, but a new product to be developed with input from Flinders University's Medical Device Partnering Program (MDPP) is set to more effectively ...

US family gets $6.75 million in Botox case

Nov 20, 2014

A New York couple who said Botox treatment of their son's cerebral palsy left him with life-threatening complications and sued its manufacturer won a $6.75 million verdict from a federal jury on Thursday.

User comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.