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Suggested diagnostic reference levels for paediatric X-ray examinations in India

A U Sonawane1, J V K Sunil Kumar, Meghraj Singh

  • 1Radiological Safety Division, Atomic Energy Regulatory Board, Mumbai, India. ausonawane@aerb.gov.in

Radiation Protection Dosimetry
|December 15, 2010
PubMed

Insights

Diagnostic reference levels (DRLs) were established for pediatric X-ray procedures in India. These DRLs help optimize radiation dose for children undergoing common diagnostic X-rays, ensuring safety and effective imaging.

Area of Science:

  • Medical Physics
  • Radiological Protection
  • Pediatric Imaging

Background:

  • Children are more susceptible to ionizing radiation risks than adults.
  • Implementing safety standards necessitates defined diagnostic reference levels (DRLs) for pediatric X-ray procedures in India.

Purpose of the Study:

  • To establish pediatric diagnostic reference levels (DRLs) for common X-ray examinations.
  • To ensure X-ray equipment complies with India's Safety Code for Medical Diagnostic X-ray Equipment and Installations.

Main Methods:

  • Entrance surface air kerma measurements were taken for four pediatric age groups (<1, 1-4, 5-9, 10-15 years).
  • 2240 air kerma measurements were analyzed across 7 examinations and 11 projections on 62 X-ray machines in 22 hospitals.
  • Third quartile values of air kerma for the 5-9 year age group were used to determine pediatric DRLs.

Main Results:

  • Suggested pediatric DRLs range from 0.2 mGy (chest AP/PA) to 1.3 mGy (lumbar spine LAT).
  • Specific DRL values were determined for various pediatric X-ray examinations including chest, spine, abdomen, pelvis, skull, and hip joints.
  • The study provides concrete reference levels for optimizing radiation doses in pediatric diagnostic radiology in India.

Conclusions:

  • The study successfully established pediatric DRLs for common X-ray procedures in India.
  • These DRLs serve as benchmarks for radiation protection in pediatric diagnostic imaging.
  • Adherence to these DRLs can help minimize radiation exposure to children undergoing X-ray examinations.

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