Evaluating the Necessity and Radiation Risk of Brain CT Scans Requested by the Trauma Emergency Department

سال انتشار: 1402
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 124

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شناسه ملی سند علمی:

JR_JBPE-13-6_003

تاریخ نمایه سازی: 30 دی 1402

چکیده مقاله:

Background: Numerous Computed Tomography (CT) scan requests for trauma patients have raised serious concern about the impacts of radiation such as radiation-induced cancers.Objective: This study aimed to evaluate the necessity rate of requested head CT scans for traumatic patients and to ultimately estimate the risk of radiation-induced brain cancer.Material and Methods: In this retrospective analytical study, traumatic patients, who had undergone a head CT scan in a two-month period from August ۲۳ to October ۲۲, ۲۰۱۸, were considered as the study population. Two radiologists reviewed each patient individually to evaluate the rate of normal and abnormal cases. Dose length product in milligrays (mGy) was utilized to calculate the effective dose (ED) in millisieverts (mSv), resulting in an assessment of the risk of radiation-induced brain cancer using ICRP ۱۰۳.Results: Among ۵۲۳ scans, ۴۶۰ patients (۸۸%) received normal reviews, while only ۴۷ patients (۹%) had findings related to their current trauma. The mean effective dose value was ۱.۰۵±۰.۳۶ mSv. Risk of the radiation induced brain cancer was calculated to be ۰.۰۳۷ and ۰.۰۳۰ new cancer cases in ۱۰۰۰۰ males and females per Gy, respectively. Conclusion: Final results demonstrated that a significant number of traumatic patients undergoing a CT scan are in fact, healthy. Such reckless usage of CT and consequently the excess exposure could result in a dramatic rise in cancer rates. The need to limit unnecessary CT scan usage and keeping the radiation given to patients as low as reasonably achievable (ALARA) when collecting essential diagnostic data is more critical than ever.

نویسندگان

Hadi Moradi

Student Research Committee, School of Paramedical Sciences, Zanjan University of Medical Sciences, Zanjan, Iran

Hossein Chehre

Department of Biomedical Physics and Engineering, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran

Behzad Ghaderi

Department of Radiology, Mousavi Hospital, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran

Faranak Saghatchi

Department of Radiology, School of Paramedical Sciences, Zanjan University of Medical Sciences, Zanjan, Iran

Masoud Najafi

Department of Radiology, Mousavi Hospital, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran

Parisa Karami

Department of Radiology, Mousavi Hospital, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran

Hamed Rezaeejam

Department of Radiology, School of Paramedical Sciences, Zanjan University of Medical Sciences, Zanjan, Iran

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