Dose monitoring in pediatric and young adult head and cervical spine CT studies at two emergency duty departments

Dose monitoring in pediatric and young adult head and cervical spine CT studies at two emergency... Purpose As the number of pediatric computed tomography (CT) imaging is increasing, there is a need for real-time radiation dose monitoring and evaluation of the imaging protocols. The aim of this study was to present the imaging data, patient doses, and observations of pediatric and young adult trauma—and routine head CTand cervical spine CTcollected by a dose monitoring software. Methods Patient age, study date, imaging parameters, and patient dose as volume CT dose index (CTDI ) and dose length vol product (DLP) were collected from two emergency departments’ CT scanners for 2-year period. The patients were divided into four age groups (0–5, 6–10, 11–15, and 16–20 years) for statistical analysis and effective dose determination. The 75th percentile doses were evaluated to be used as local diagnostic reference levels (DRLs). Results Six hundred fifteen trauma head, 318 routine head, and 592 trauma cervical spine CT studies were assessed. All mean CTDI values were statistically lower in hospital B (40.3 ± 12.3, 30.03 ± 11.1, and 6.9 ± 3.1 mGy, respectively) than in hospital vol A (53.0 ± 12.9, 43.2 ± 8.7, and 18.3 ± 7.3 mGy, respectively). Statistically significant differences were observed on scanning length between hospitals and between CTDI http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Emergency Radiology Springer Journals

Dose monitoring in pediatric and young adult head and cervical spine CT studies at two emergency duty departments

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Publisher
Springer Journals
Copyright
Copyright © 2017 by American Society of Emergency Radiology
Subject
Medicine & Public Health; Imaging / Radiology; Emergency Medicine
ISSN
1070-3004
eISSN
1438-1435
D.O.I.
10.1007/s10140-017-1571-x
Publisher site
See Article on Publisher Site

Abstract

Purpose As the number of pediatric computed tomography (CT) imaging is increasing, there is a need for real-time radiation dose monitoring and evaluation of the imaging protocols. The aim of this study was to present the imaging data, patient doses, and observations of pediatric and young adult trauma—and routine head CTand cervical spine CTcollected by a dose monitoring software. Methods Patient age, study date, imaging parameters, and patient dose as volume CT dose index (CTDI ) and dose length vol product (DLP) were collected from two emergency departments’ CT scanners for 2-year period. The patients were divided into four age groups (0–5, 6–10, 11–15, and 16–20 years) for statistical analysis and effective dose determination. The 75th percentile doses were evaluated to be used as local diagnostic reference levels (DRLs). Results Six hundred fifteen trauma head, 318 routine head, and 592 trauma cervical spine CT studies were assessed. All mean CTDI values were statistically lower in hospital B (40.3 ± 12.3, 30.03 ± 11.1, and 6.9 ± 3.1 mGy, respectively) than in hospital vol A (53.0 ± 12.9, 43.2 ± 8.7, and 18.3 ± 7.3 mGy, respectively). Statistically significant differences were observed on scanning length between hospitals and between CTDI

Journal

Emergency RadiologySpringer Journals

Published: Dec 16, 2017

References

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