Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Artificial intelligence in veterinary diagnostic imaging: A narrative review of the state of the art and its applications.

Veterinary journal (London, England : 1997)·2026
Same author

Occupational radiation exposure and radiation protection practices in interventional radiology and cardiology: A multicenter study in France.

Diagnostic and interventional imaging·2026
Same author

Cervical Pain in Non-Chondrodystrophic Dogs: Associations with Clinical Onset, Neurological Group and Disease Category.

Animals : an open access journal from MDPI·2026
Same author

ESR Essentials: blunt abdominal trauma in adult patients: vascular injuries to solid organs and mesentery-practice recommendations by the European Society of Emergency Radiology.

European radiology·2026
Same author

Musculoskeletal Computed Tomography Imaging: A 30-Year Perspective.

Seminars in musculoskeletal radiology·2026
Same author

IQ-PAT: An innovative tool for noise power spectrum and task-based transfer function assessment in patient CT images.

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)·2026

Related Experiment Video

Updated: Mar 22, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

14.9K

CT dose reduction using Automatic Exposure Control and iterative reconstruction: A chest paediatric phantoms study.

Joël Greffier1, Fabricio Pereira1, Francesco Macri1

  • 1Department of Radiology, Nîmes University Hospital, Medical Imaging Group Nîmes, EA 2415, Bd Prof Robert Debré, 30029 Nîmes Cedex, France.

Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)
|April 9, 2016
PubMed
Summary

Automatic Exposure Control (AEC) significantly reduces radiation dose in paediatric chest CT scans. Combining AEC with iterative reconstruction (IR) maintains diagnostic image quality while further lowering radiation exposure in children.

Keywords:
Automatic Exposure ControlChildrenIterative reconstructionMDCTRadiation dose

More Related Videos

Voluntary Breath-hold Technique for Reducing Heart Dose in Left Breast Radiotherapy
11:38

Voluntary Breath-hold Technique for Reducing Heart Dose in Left Breast Radiotherapy

Published on: July 3, 2014

47.6K
Positron Emission Tomography-based Dose Painting Radiation Therapy in a Glioblastoma Rat Model using the Small Animal Radiation Research Platform
07:57

Positron Emission Tomography-based Dose Painting Radiation Therapy in a Glioblastoma Rat Model using the Small Animal Radiation Research Platform

Published on: March 24, 2022

3.3K

Related Experiment Videos

Last Updated: Mar 22, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

14.9K
Voluntary Breath-hold Technique for Reducing Heart Dose in Left Breast Radiotherapy
11:38

Voluntary Breath-hold Technique for Reducing Heart Dose in Left Breast Radiotherapy

Published on: July 3, 2014

47.6K
Positron Emission Tomography-based Dose Painting Radiation Therapy in a Glioblastoma Rat Model using the Small Animal Radiation Research Platform
07:57

Positron Emission Tomography-based Dose Painting Radiation Therapy in a Glioblastoma Rat Model using the Small Animal Radiation Research Platform

Published on: March 24, 2022

3.3K

Area of Science:

  • Radiology
  • Medical Imaging
  • Paediatric Imaging

Background:

  • Radiation dose reduction is critical in paediatric CT imaging.
  • Automatic Exposure Control (AEC) and iterative reconstruction (IR) are advanced techniques for optimizing CT protocols.

Purpose of the Study:

  • To assess the impact of AEC on radiation dose and image quality in paediatric chest multi-detector CT (MDCT).
  • To evaluate the effectiveness of AEC, with and without IR, in optimizing radiation dose and image quality for paediatric patients.

Main Methods:

  • Utilized anthropomorphic phantoms (1, 5, 10-year-old) with AEC (CARE Dose 4D) at varying modulation strengths.
  • Compared acquisitions with fixed mAs versus AEC, reconstructing data using Filtered Back Projection (FBP) and two levels of IR.
  • Measured radiation dose, noise, Signal-to-Noise Ratio (SNR), and Contrast-to-Noise Ratio (CNR) in lung and soft tissues.

Main Results:

  • AEC significantly reduced radiation dose (43-91%) across all phantom sizes (p<0.01).
  • AEC alone increased noise and decreased SNR/CNR (p<0.01), but IR effectively improved these indices.
  • AEC combined with IR achieved dose reductions of 39-74% while preserving image quality.

Conclusions:

  • AEC, particularly when combined with IR, is effective in significantly reducing radiation dose in paediatric chest MDCT.
  • This combination allows for dose optimization without compromising essential image quality parameters for paediatric diagnosis.