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International Journal of Pediatrics، جلد ۱۱، شماره ۱، صفحات ۱۷۲۹۹-۱۷۳۰۵
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عنوان انگلیسی Evaluation of Cumulative Effective Radiation Dose in Patients Under 12 Years of Age
چکیده انگلیسی مقاله Background: The most important complication of X-ray overdose is the increased risk of malignancies, especially cancers in children. The present study was, then, conducted to evaluate the effective dose of cumulative radiation among the under-12 patients referred to the CT-scan unit of Imam Khomeini Hospital in Ahvaz, Iran, during 2018. Methods: This descriptive study was performed on 120 patients who were selected through census sampling method. A data collection form and the patient's medical records were implemented for collecting the required information. Data were analyzed by SPSS 22 software with a significance level of 0.05. Results: The average absorbed dose per unit volume was 19.90±2.07 for the head, 3.45 ±1.22 for the neck, 2.07±1.58 for the chest, and for the abdomen and pelvis it was equal to 1.76±1.69. The mean absorption dose per unit volume was significantly different between the two organs while comparing the chest with neck (P=0.003), abdomen and pelvis with neck (P=0.0001) and abdomen and pelvis with chest (P=0.0001) (P< 0.05). The mean absorption dose along the length was 278.20 ±71.75 for the head, 86.88 ±39.64 for the neck, 56.10±47.66 for the chest, and for the abdomen and pelvis it was 24.64 ±15.56. The mean absorption dose along the length was significantly different while comparing the abdomen and pelvis with neck (P=0.0001) and abdomen and pelvis with chest (P=0.0001) (P< 0.05). The thickness was 4.8 mm in the head, 3 mm in the neck, 8 mm in the chest, and 5 mm in the abdomen and pelvis. Conclusion: By calculating the dose indices in children, and comparing them with the internationally approved normal doses, we can minimize the harmful effects of radiation on children. The staff and radiologists should be trained about the protocols and principles of radiation protection, as well as the quality control of devices.
کلیدواژه‌های انگلیسی مقاله Cumulative effective dose, Pediatric, CT scan section
نویسندگان مقاله | Mohammad Ghasem Hanafi
Department of Radiology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran


| Maryam Farasat
Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran


| Jaafar Fatahi asl
Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran


| Azadeh Ghalavand
Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
نشانی اینترنتی https://ijp.mums.ac.ir/article_18065.html
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