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

Author

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  • Shao-Lun Tsao

    (Department of Biomedical Engineering, Chung Yuan Christian University, Taoyuan 320, Taiwan
    Department of Anesthesiology, Changhua Christian Hospital, Changhua 500, Taiwan
    These authors contributed equally to the work.)

  • Yin-Yang Chen

    (Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
    Department of Surgery, Chung Shan Medical University Hospital, Taichung 402, Taiwan
    These authors contributed equally to the work.)

  • Liang-Tsai Yeh

    (Department of Anesthesiology, Changhua Christian Hospital, Changhua 500, Taiwan
    Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan)

  • Jing-Yang Huang

    (Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
    Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan)

  • Wen-Tyng Li

    (Department of Biomedical Engineering, Chung Yuan Christian University, Taoyuan 320, Taiwan)

  • Shun-Fa Yang

    (Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
    Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan)

  • Chao-Bin Yeh

    (Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
    Department of Emergency Medicine, School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
    Department of Emergency Medicine, Chung Shan Medical University Hospital, Taichung 402, Taiwan)

Abstract

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.

Suggested Citation

  • Shao-Lun Tsao & Yin-Yang Chen & Liang-Tsai Yeh & Jing-Yang Huang & Wen-Tyng Li & Shun-Fa Yang & 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," IJERPH, MDPI, vol. 17(11), pages 1-9, May.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:11:p:3873-:d:364791
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    References listed on IDEAS

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    1. I-Lin Hsu & Chung-Yi Li & Da-Chen Chu & Li-Chien Chien, 2018. "An Epidemiological Analysis of Head Injuries in Taiwan," IJERPH, MDPI, vol. 15(11), pages 1-12, November.
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