Featured Research

from universities, journals, and other organizations

Physiologic factors linked to image quality of multidetector computed tomography scans

Date:
January 3, 2010
Source:
American College of Radiology / American Roentgen Ray Society
Summary:
The image quality of multidetector computed tomography scans, used for the noninvasive detection of coronary artery disease, can be significantly affected by patient characteristics such as ethnicity, body mass index and heart rate, according to a new study.

A large multicenter international trial found that the image quality of multi-detector computed tomography (MDCT) scans, used for the noninvasive detection of coronary artery disease, can be significantly affected by patient characteristics such as ethnicity, body mass index (BMI), and heart rate, according to a study in the January issue of the American Journal of Roentgenology.

The large multicenter international trial study included 291 patients with coronary artery calcification and found that compared with examinations of white patients, studies of black patients had significantly poorer image quality.

"Physiologic factors such as high heart rate, arrhythmia, obesity, and high coronary calcium burden with motion continue to limit the diagnostic accuracy of MDCT as compared with conventional invasive coronary angiography. Our study is significant because we found a relevant influence of BMI, heart rate, ethnicity, and breathing artifact on the degradation of image quality," said Melvin E. Clouse, MD, lead author of the study.

MDCT scans have been implemented in a variety of patients with suspected coronary artery disease because of its diagnostic accuracy and reliability. However "the diagnostic ability of any imaging method is directly dependent on image quality," said Clouse.

"With this new knowledge combined with new and advanced CT scanners, we have the potential to improve image quality of coronary CT angiography, further making the test even more accurate and independent of patient characteristics," he said.


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.


Cite This Page:

American College of Radiology / American Roentgen Ray Society. "Physiologic factors linked to image quality of multidetector computed tomography scans." ScienceDaily. ScienceDaily, 3 January 2010. <www.sciencedaily.com/releases/2009/12/091222121803.htm>.
American College of Radiology / American Roentgen Ray Society. (2010, January 3). Physiologic factors linked to image quality of multidetector computed tomography scans. ScienceDaily. Retrieved August 21, 2014 from www.sciencedaily.com/releases/2009/12/091222121803.htm
American College of Radiology / American Roentgen Ray Society. "Physiologic factors linked to image quality of multidetector computed tomography scans." ScienceDaily. www.sciencedaily.com/releases/2009/12/091222121803.htm (accessed August 21, 2014).

Share This




More Health & Medicine News

Thursday, August 21, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Possible Ebola Patient in Isolation at California Hospital

Possible Ebola Patient in Isolation at California Hospital

Reuters - US Online Video (Aug. 20, 2014) — A patient who may have been exposed to the Ebola virus is in isolation at the Kaiser Permanente South Sacramento Medical Center. Linda So reports. Video provided by Reuters
Powered by NewsLook.com
Raw: World's Oldest Man Lives in Japan

Raw: World's Oldest Man Lives in Japan

AP (Aug. 20, 2014) — A 111-year-old Japanese was certified as the world's oldest man by Guinness World Records on Wednesday. Sakari Momoi, a native of Fukushima in northern Japan, was given a certificate at a hospital in Tokyo. (Aug. 20) Video provided by AP
Powered by NewsLook.com
Do More Wedding Guests Make A Happier Marriage?

Do More Wedding Guests Make A Happier Marriage?

Newsy (Aug. 20, 2014) — A new study found couples who had at least 150 guests at their weddings were more likely to report being happy in their marriages. Video provided by Newsy
Powered by NewsLook.com
Ebola-Hit Sierra Leone's Freetown a City on Edge

Ebola-Hit Sierra Leone's Freetown a City on Edge

AFP (Aug. 19, 2014) — Residents of Sierra Leone's capital voice their fears as the Ebola virus sweeps through west Africa. Duration: 00:56 Video provided by AFP
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:
from the past week

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