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Area of Science:

  • Radiology
  • Medical Imaging
  • Pediatric Imaging

Background:

  • Paediatric cranial computed tomography (CT) procedures are common.
  • Standardization of radiation dose and acquisition parameters is crucial for patient safety.
  • Regional variations in practice can lead to suboptimal radiation exposure.

Purpose of the Study:

  • To benchmark regional standard practice for paediatric cranial CT procedures.
  • To evaluate radiation dose and acquisition parameters in pediatric head CT.
  • To identify areas for dose optimization and standardization.

Main Methods:

  • Retrospective collection of 296 paediatric cranial CT procedures from 3 hospitals over 1 year.
  • Utilized a dose tracking system to gather CTDI, DLP, scan length, and retake data.
  • Stratified data by age and clinical indication, assessing the use of child-specific protocols.

Main Results:

  • Significant differences in radiation dose were observed among hospitals (p < 0.001).
  • The hospital with the lowest dose also had the least variability and used age-stratified protocols.
  • Adult protocols were still erroneously applied to children, particularly in older age groups.

Conclusions:

  • All hospitals met national and international diagnostic reference levels (DRLs).
  • Dose tracking and benchmarking revealed potential for further dose optimization and standardization.
  • Implementing age-stratified protocols and avoiding adult protocols in pediatric CT is recommended.