Reducing radiation dose in emergency computed tomography with automatic exposure control techniques

Computed tomography (CT) scanning is being increasingly used for evaluation of trauma, which most commonly involves younger individuals. As younger patients are at higher risk for radiation-induced cancer compared to older patients, radiation dose reduction is an important issue in emergency CT scan...

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Bibliographic Details
Published inEmergency radiology Vol. 11; no. 5; pp. 267 - 274
Main Authors Kalra, Mannudeep K, Rizzo, Stefania M R, Novelline, Robert A
Format Journal Article
LanguageEnglish
Published United States Springer Nature B.V 01.07.2005
Subjects
Automation
Emergency Medical Services
Humans
Radiation
Radiation Dosage
Radiographic Image Enhancement - methods
Radiology
Tomography, X-Ray Computed - methods
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Summary:Computed tomography (CT) scanning is being increasingly used for evaluation of trauma, which most commonly involves younger individuals. As younger patients are at higher risk for radiation-induced cancer compared to older patients, radiation dose reduction is an important issue in emergency CT scanning. With automatic exposure control techniques, users select a desired image quality and the system adapts tube current to obtain the desired image quality with greater radiation dose efficiency. These techniques can help in reducing radiation dose by 10-60% in most instances. This review article presents a comprehensive description of fundamentals, clinical applications and radiation dose benefits of automatic exposure control in emergency CT scanning.
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ISSN:1070-3004
1438-1435
DOI:10.1007/s10140-004-0395-7