News | January 28, 2009

GE Healthcare Pediatric CT Solution Provides Lower Radiation Dose

January 28, 2009 - GE Healthcare said today that it has sponsored the development of newly validated procedure-based protocols to lower CT radiation dose in children; these protocols can now be downloaded from its Web site, free of charge.

Mannudeep K. Kalra, M.D., Sjirk Westra, M.D., and Sarabjeet Singh, M.D., MBBS, MMST, in conjunction with GE Healthcare, have developed a dose-reduction solution, which lowers radiation by accounting for a patient’s weight, scan type, number of prior CT studies and 3D automatic exposure control. These parameters then direct the user to one of three “color zones,” the basis of procedure-based protocols. Within each color zone, an automatically controlled exposure level is determined by one of five weight categories. GE Healthcare has long embraced the ALARA (As Low As Reasonably Achievable) principle. These newly validated protocols represent the latest additions to its growing portfolio of dose reduction capabilities.

“With procedure-based zones, radiologists can control levels of radiation dose to the target region of interest in an efficient and seamless manner based on the three scan types: routine scans, a low dose option, or non-cardiac CT angiography,” says Dr. Kalra. “Prior publications have shown that adjusting scanning protocols to patient size or weight, particularly for children, is an efficient method for reducing dose while maintaining diagnostic quality. Published literature also shows that mA and kVp are the most frequently adapted techniques for optimizing dose to patient size.”

Upon further examination of pediatric CT studies conducted on the same patients before and after implementation of procedure-based protocols, Drs. Kalra and Singh found that, while dose can be reduced, lack of consistent use is an issue. Initially, slightly more than half of chest CT and nearly 75 percent of abdominal CT studies were performed according to the procedure-based protocols. The compliance increased to 80 percent following additional radiologists and technologist training on the rationale behind using the protocols. Drs. Kalra and Singh found a significant dose reduction without compromising the diagnostic utility of CT images when the new protocols were fully implemented.

GE Healthcare has made these protocols available, for free viewing and downloading, on the newly launched website,http://www.gehealthcare.com/usen/ct/products/ct4kids_index.html.

For more information: www.gehealthcare.com

Related Content

Video Plus Brochure Helps Patients Make Lung Cancer Scan Decision

Image courtesy of the American Thoracic Society

News | Lung Cancer | April 19, 2019
A short video describing the potential benefits and risks of low-dose computed tomography (CT) screening for lung...
FDA Clears GE's Deep Learning Image Reconstruction Engine
Technology | Computed Tomography (CT) | April 19, 2019
GE Healthcare has received 510(k) clearance from the U.S. Food and Drug Administration (FDA) of its Deep Learning Image...
Varian Halcyon Commissioned at MedStar Southern Maryland Hospital Center With IBA's myQA Halo
News | Quality Assurance (QA) | April 04, 2019
IBA (Ion Beam Applications S.A.) announced the successful commissioning of the Varian Halcyon at the Radiation Oncology...
Videos | RSNA | April 03, 2019
ITN Editor Dave Fornell takes a tour of some of the most interesting new medical imaging technologies displa
Johns Hopkins Medicine First in U.S. to Install Canon Medical's Aquilion Precision
News | Computed Tomography (CT) | March 26, 2019
March 26, 2019 — Johns Hopkins Medicine now has access to the first...
At #ACC.19, Siemens unveiled a version of its go.Top platform optimized for cardiovascular imaging. The newly packaged scanner can generate the data needed to do CT-based FFR (fractional flow reserve).

At #ACC.19, Siemens unveiled a version of its go.Top platform optimized for cardiovascular imaging. The newly packaged scanner can generate the data needed to do CT-based FFR (fractional flow reserve). Photo by Greg Freiherr

Feature | Cardiac Imaging | March 22, 2019 | By Greg Freiherr
Reflecting a trend toward the increased use of...
Researchers Use Radiomics to Predict Who Will Benefit from Chemotherapy
News | Radiomics | March 21, 2019
Using data from computed tomography (CT) images, researchers may be able to predict which lung cancer patients will...
HeartFlow Analysis Successfully Stratifies Heart Disease Patients at One Year
News | CT Angiography (CTA) | March 19, 2019
Late-breaking results confirm the HeartFlow FFRct (fractional flow reserve computed tomography) Analysis enables...
Podcast | Cardiac Imaging | March 15, 2019
Debate About Coronary Testing Highlights ACC Session
Canon Medical Introduces Entry-Level Aquilion Start CT
News | Computed Tomography (CT) | March 14, 2019
Canon Medical Systems Europe B.V. introduced the all-new Aquilion Start computed tomography (CT) system to the European...