Effect of low dose radiation from general X-ray to T-cell lymphocyte expression using an in vitro method

Tochaikul, Gunjanaporn; Danthanavat, Nuttapong; Pilapong, Chalermchai; Moonkum, Nutthapong

doi:10.1080/10420150.2022.2039926

Cited by 9 publications

(1 citation statement)

References 21 publications

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“…On the other hand, the advantage of portable X-rays comes at the cost of increased radiation exposure to hospital staff because radiation protective systems are not equivalent to those in radiology departments. Radiation received from portable chest X-rays is considered to be low dose, but without proper shielding, hospital workers should be concerned about accumulative doses, which could lead to severe effects over the long term [12][13][14]. According to the International Commission on Radiological Protection (ICRP), the effective dose limit for the whole body is 100 mSv over five consecutive years and 50 mSv in any 1 year for occupational workers [15].…”

Section: Introductionmentioning

confidence: 99%

Determination of scattered radiation dose for radiological staff during portable chest examinations of COVID-19 patients

Moonkum

Jitchom

Sukaram

et al. 2023

Radiol Phys Technol

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The COVID-19 pandemic has resulted in a large increase in the number of patients admitted to hospitals. Radiological technologists (RTs) are often required to perform portable chest X-ray radiography on these patients. Normally, when performing a portable X-ray, radiation protection equipment is critical as it reduces the scatter radiation dose to hospital workers. However, during the pandemic, the use of a lead shield caused a heavy weight burden on workers who were responsible for a large number of patients. This study aimed to investigate scatter radiation doses received at various distances, directions, and positions. Radiation measurements were performed using the PBU-60 whole body phantom to determine scatter radiation doses at 100-200 cm and eight different angles around the phantom. The tests were conducted with and without lead shielding. Additionally, the doses were compared using the paired t test (p < 0.005) to determine suitable positions for workers who did not wear lead protection that adhered to radiation safety requirements. Scatter radiation doses of all 40 tests showed a highest and lowest value of 1285.5 nGy at 100 cm in the anteroposterior (AP) semi upright position and 134.7 nGy at 200 cm in the prone position, respectively. Correlation analysis between the dosimeter measurement and calculated inverse square law showed good correlation, with an R 2 value of 0.99. Without lead shielding, RTs must stay at a distance greater than 200 cm from patients for both vertical and horizontal beams to minimize scatter exposure. This would allow for an alternative way of performing portable chest radiography for COVID-19 patients without requiring lead shielding.

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Section: Introductionmentioning

confidence: 99%