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Radiation Exposure in Pediatric Intensive Care Unit Patients: How Much Is Too Much?
Yamini S Kapileshwarkar1, Laura T Smith2, Susan M Szpunar2
11 Children's Hospital of Michigan, Detroit, MI, USA.
Pediatric intensive care unit (PICU) patients can receive high radiation exposure, with 11.7% exceeding 6.2 mSv. Trauma, surgery, CT scans, and longer stays increase this risk.
Area of Science:
- Pediatric intensive care
- Medical imaging
- Radiation safety
Background:
- Pediatric intensive care unit (PICU) patients undergo numerous radiologic studies.
- Cumulative radiation exposure in this vulnerable population requires careful assessment.
Purpose of the Study:
- To determine median cumulative radiation exposure in PICU patients.
- To identify the proportion of patients with high radiation exposure (>6.2 mSv).
- To determine risk factors associated with high radiation exposure.
Main Methods:
- Retrospective chart review of PICU patients (≤18 years) over 2 years.
- Analysis of radiologic studies and radiation exposure data.
- Classification of total hospital radiation exposure as high (>6.2 mSv) or not (≤6.2 mSv).
Main Results:
- Median radiation exposure was 0.2 mSv (IQR=2.1).
- 11.7% of patients exceeded 6.2 mSv cumulative radiation exposure.
- High exposure was linked to trauma/surgery admission, CT scan volume, age, and PICU length of stay (P < .0001).
Conclusions:
- Subsets of PICU patients face a significant risk of high cumulative radiation exposure.
- Factors such as trauma, surgery, advanced age, and extended PICU stays are associated with increased exposure.
- Implementing policies and protocols is crucial for minimizing radiation exposure in PICU patients.
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