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Radiation trends in trauma patients.
Om P Sharma1, Michael F Oswanski, Ramandeep Sidhu
1Trauma Services, The Toledo Hospital/Toledo Children's Hospital, Toledo, Ohio 43606-3895, USA.
The American Surgeon
|February 23, 2011
Summary
Radiation exposure in trauma patients significantly increased from 2000 to 2006, mainly due to more CT scans. Trauma patients, especially those aged 16-45, experienced higher cumulative effective doses.
Area of Science:
- Medical Imaging
- Radiology
- Trauma Care
Background:
- Computed tomography (CT) and other imaging studies are increasingly used in early trauma case management.
- This trend raises concerns about the long-term effects of radiation exposure (RE) in trauma patients.
- Understanding radiation dose trends is crucial for patient safety and risk assessment.
Purpose of the Study:
- To analyze trends in cumulative effective dose (CED) from diagnostic imaging in trauma patients over a six-year period.
- To investigate the impact of different imaging modalities (X-rays vs. CT scans) on overall radiation exposure.
- To compare radiation exposure levels across different age groups (children, 16-45 year-olds, older adults).
Main Methods:
- Retrospective analysis of 60 trauma patients per year from 2000, 2003, and 2006 (Injury Severity Scores 15-25).
- Calculation of cumulative effective dose (CED) based on all X-rays and CT scans performed during hospitalization.
- Statistical comparison of CED and imaging frequencies across study years and age demographics.
Main Results:
- Total CED/patient significantly increased from 15.97 mSv in 2000 to 23.27 mSv in 2006 (P < 0.05).
- CT scan utilization and associated dose increased significantly (P < 0.05), contributing primarily to the overall CED rise.
- Adults aged 16-45 years exhibited significantly higher RE than children, with a notable increase observed over the study period.
Conclusions:
- Cumulative effective dose from diagnostic imaging in trauma patients has significantly increased between 2000 and 2006, driven by CT utilization.
- Children experienced a less pronounced increase in CED compared to adult trauma patients.
- Ongoing monitoring of radiation exposure in trauma care is essential, particularly for the 16-45 age demographic.
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