Featured Research

from universities, journals, and other organizations

Large medical center reduces cumulative radiation exposure and CT scans through imaging algorithm, study finds

Date:
June 30, 2010
Source:
American College of Radiology / American Roentgen Ray Society
Summary:
A large, academic medical center implemented an imaging algorithm that allowed radiologists to successfully reduce the cumulative radiation exposure and number of computed tomography (CT) angiography and CT perfusion studies performed on patients with aneurysmal subarachnoid hemorrhages (a form of stroke), according to a new study.

A large, academic medical center implemented an imaging algorithm that allowed radiologists to successfully reduce the cumulative radiation exposure and number of computed tomography (CT) angiography (CTA) and CT perfusion studies performed on patients with aneurysmal subarachnoid hemorrhages (a form of stroke), according to a study published in the July issue of the American Journal of Roentgenology.

Related Articles


The algorithm serves as a guide to physicians regarding the most appropriate time points at which to detect vasospasm (a condition in which blood vessels spasm, leading to vasoconstriction (a narrowing of the blood vessels) with CTA and CT perfusion imaging.

The study, performed at the New York Presbyterian Hospital -- Weill Cornell Medical Center, in New York, NY, included 60 patients with aneurysmal subarachnoid hemorrhages: 30 in the baseline group (before implementation of the imaging algorithm) and 30 patients in the post-algorithm group.

"With the new algorithm, the mean number of CT examinations per patient was 5.8 compared with 7.8 at baseline, representing a decrease of 25.6 percent," said Michael L. Loftus, MD, lead author of the study. "The number of CT perfusion examinations per patient decreased 32.1 percent. Overall, there was a 12.1 percent decrease in cumulative radiation exposure," said Loftus.

"Our results are promising, showing that guidelines for utilization of CT can lead to reduced radiation exposure of individual patients and the population. Our overall goal is to apply to other patient populations this concept of imaging algorithms as utilization guidelines for CT," he said.

"Application of these methods to other patient populations with the high use of CT may reduce cumulative radiation exposure while the clinical benefits of imaging are maintained," said Loftus.


Story Source:

The above story is based on materials provided by American College of Radiology / American Roentgen Ray Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Loftus ML, Minkowitz S, Tsiouris AJ, Min RJ, Sanelli PC. Utilization Guidelines for Reducing Radiation Exposure in the Evaluation of Aneurysmal Subarachnoid Hemorrhage: A Practice Quality Improvement Project. American Journal of Roentgenology, 2010; DOI: 10.2214/AJR.09.3786

Cite This Page:

American College of Radiology / American Roentgen Ray Society. "Large medical center reduces cumulative radiation exposure and CT scans through imaging algorithm, study finds." ScienceDaily. ScienceDaily, 30 June 2010. <www.sciencedaily.com/releases/2010/06/100621111236.htm>.
American College of Radiology / American Roentgen Ray Society. (2010, June 30). Large medical center reduces cumulative radiation exposure and CT scans through imaging algorithm, study finds. ScienceDaily. Retrieved November 26, 2014 from www.sciencedaily.com/releases/2010/06/100621111236.htm
American College of Radiology / American Roentgen Ray Society. "Large medical center reduces cumulative radiation exposure and CT scans through imaging algorithm, study finds." ScienceDaily. www.sciencedaily.com/releases/2010/06/100621111236.htm (accessed November 26, 2014).

Share This


More From ScienceDaily



More Health & Medicine News

Wednesday, November 26, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

Newsy (Nov. 25, 2014) — The US FDA is announcing new calorie rules on Tuesday that will require everywhere from theaters to vending machines to include calorie counts. Video provided by Newsy
Powered by NewsLook.com
Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Newsy (Nov. 25, 2014) — Need another reason to eat yogurt every day? Researchers now say it could reduce a person's risk of developing type 2 diabetes. Video provided by Newsy
Powered by NewsLook.com
Madagascar Working to Contain Plague Outbreak

Madagascar Working to Contain Plague Outbreak

AFP (Nov. 24, 2014) — Madagascar said Monday it is trying to contain an outbreak of plague -- similar to the Black Death that swept Medieval Europe -- that has killed 40 people and is spreading to the capital Antananarivo. Duration: 00:42 Video provided by AFP
Powered by NewsLook.com
Are Female Bosses More Likely To Be Depressed?

Are Female Bosses More Likely To Be Depressed?

Newsy (Nov. 24, 2014) — A new study links greater authority with increased depressive symptoms among women in the workplace. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Strange & Offbeat Stories

 

Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins