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Article

Impact of Computed Tomography Scans on the Risk of Thyroid Disease in Minor Head Injury Patients: A Population-Based Retrospective Cohort Study

by 1,2,†, 3,4,†, 2,3, 3,5, 1, 3,5,* and 3,6,7,*
1
Department of Biomedical Engineering, Chung Yuan Christian University, Taoyuan 320, Taiwan
2
Department of Anesthesiology, Changhua Christian Hospital, Changhua 500, Taiwan
3
Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
4
Department of Surgery, Chung Shan Medical University Hospital, Taichung 402, Taiwan
5
Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan
6
Department of Emergency Medicine, School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
7
Department of Emergency Medicine, Chung Shan Medical University Hospital, Taichung 402, Taiwan
*
Authors to whom correspondence should be addressed.
These authors contributed equally to the work.
Int. J. Environ. Res. Public Health 2020, 17(11), 3873; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17113873
Received: 15 April 2020 / Revised: 21 May 2020 / Accepted: 25 May 2020 / Published: 29 May 2020
(This article belongs to the Special Issue Feature Papers in Public Health Statistics and Risk Assessment)
We investigated the association between head computed tomography (CT) scans and the risk of noncancer thyroid diseases in patients with minor head injury in a Taiwanese healthcare setting. For this retrospective population-based cohort study, the 2009–2013 Longitudinal Health Insurance Database was used to include patients with a minor head injury at admission or emergency visit between 2009 and 2013. Multivariate analysis with a multiple Cox regression model was applied to analyze the data. According to whether a CT scan was conducted within 14 days of admission, patients were divided into a CT scan group (n = 14,041) or a non-CT scan group (n = 34,684). No increased incidence of thyroid diseases was observed in the CT scan group regardless of the number of CT scans performed. The incidence rate ratio for one scan was 1.10 (95% confidence interval: 0.94–1.29) and for two or more scans was 1.09 (95% confidence interval: 0.93–1.28). In conclusion, this population-based cohort study showed that a head CT scan is not associated with increased risk of thyroid disease in patients with minor head injury. The short-term adverse effects on the thyroid could be mild when a regular CT scan is appropriately performed. View Full-Text
Keywords: computer tomography; minor head injury; thyroid diseases computer tomography; minor head injury; thyroid diseases
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MDPI and ACS Style

Tsao, S.-L.; Chen, Y.-Y.; Yeh, L.-T.; Huang, J.-Y.; Li, W.-T.; Yang, S.-F.; Yeh, C.-B. Impact of Computed Tomography Scans on the Risk of Thyroid Disease in Minor Head Injury Patients: A Population-Based Retrospective Cohort Study. Int. J. Environ. Res. Public Health 2020, 17, 3873. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17113873

AMA Style

Tsao S-L, Chen Y-Y, Yeh L-T, Huang J-Y, Li W-T, Yang S-F, Yeh C-B. Impact of Computed Tomography Scans on the Risk of Thyroid Disease in Minor Head Injury Patients: A Population-Based Retrospective Cohort Study. International Journal of Environmental Research and Public Health. 2020; 17(11):3873. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17113873

Chicago/Turabian Style

Tsao, Shao-Lun, Yin-Yang Chen, Liang-Tsai Yeh, Jing-Yang Huang, Wen-Tyng Li, Shun-Fa Yang, and Chao-Bin Yeh. 2020. "Impact of Computed Tomography Scans on the Risk of Thyroid Disease in Minor Head Injury Patients: A Population-Based Retrospective Cohort Study" International Journal of Environmental Research and Public Health 17, no. 11: 3873. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17113873

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