Estimation of effective doses of radiation for patients with novel Coronavirus Disease Undergoing Chest CT scans.
نویسندگان
چکیده
ABSTRACT Evaluating the hazards and beneficiary of chest - CT imaging for patients COVID-19 Subjects Methods: A total number 160 suspected Covid-19 were classified into four groups (GP1(n=40) ,GP2(n=40) GP3(n=40)). The undergoing examination (Toshiba, Activion 16) .The acquisition protocols different as follows: GP 1 ((n=40), 100 Kv , ±15 mAs GP2 ((n=40) 120 150 ±20 mAs) GP3((n=40) Sure Exposure (SE), GP4((n=40) (SE)) . other parameters are (pitch=1.5; rotation time=0.75 sec; matrix size 512x512), All images reconstructed by Filtered Back Projection. Results:- CTDI volume were: (GP1: 7.8±0.09 mGy ; GP2: 26.4 ±0.25mGy; GP3: 16.8 ±4.7mGy; GP4: 5.5±0.1mGy P In contrast, CNR SNR insignificantly (P>0.05) among all groups. GP1and GP4 has a highly significant noise (P<0.05), in comparison with GP3. Conclusion: study demonstrates that performed kV protocol dose modulation (
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ژورنال
عنوان ژورنال: Arab Journal of Nuclear Sciences and Applications (Print)
سال: 2021
ISSN: ['2090-4258', '1110-0451']
DOI: https://doi.org/10.21608/ajnsa.2021.72242.1463