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Submitted: 14 Nov 2023
Revision: 09 Jan 2024
Accepted: 20 Jan 2024
ePublished: 31 Jul 2024
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Avicenna J Care Health Oper Room. 2024;2(2): 59-64.
doi: 10.34172/ajchor.42
  Abstract View: 171
  PDF Download: 51

Original Article

Image Findings and Radiation Dose in Lung CT Scan of Patients With COVID-19 in Hamadan

Salman Jafari 1 ORCID logo, Faeze Heidari 2 ORCID logo, Mahdi Asgari 3 ORCID logo, Karim Ghazikhanlou Sani 1 ORCID logo, Hossein Khosravi 1* ORCID logo, Reza Afzalipour 4 ORCID logo

1 Department of Radiology Technology, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran
2 Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
3 Beast Hospital, Hamadan University of Medical Sciences, Hamadan, Iran
4 Department of Radiology Technology, School of Paramedicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
*Corresponding Author: Hossein Khosravi, Email: hkhosravi55@gmail.com, Email: h.khosravi@umsha.ac.ir

Abstract

Background: Computed tomography (CT) scan plays an important role in the diagnosis of the COVID-19. Lung involvement appears in different forms on CT images. Absorbed dose to the patients may exceed diagnostic reference levels. This study aimed to investigate clinical symptoms, findings of lung CT scan, and absorbed dose to the patients.

Methods: This cross-sectional descriptive study was conducted in two CT scan centers in Hamadan: Besat and Sina. CT images of 163 patients with positive real-time polymerase chain reaction (PCR) tests were interpreted by six experienced radiologists. Volume CT dose index (CTDIvol), dose length product (DLP), and effective dose were calculated in both centers and compared using the Mann-Whitney statistical test.

Results: The most common findings in the CT images were ground-glass opacification (GGO), consolidation, and the combination of GGO and consolidation. CTDIvol, DLP, and effective dose to the patients were respectively 1.64±5.24 mGy, 177.12±59.03 mGy.cm, and 3.01±1.00 mSv in Sina hospital and 4.58±1.91 mGy, and 2.60±1.02 mSv in Besat hospital. The difference between quantities in the two centers was statistically significant (P>0.05).

Conclusion: The most common findings in lung CT images of patients with positive polymerase chain reaction (PCR) tests were GGO and consolidation. Furthermore, there were differences in radiation dose to patients between hospitals, indicating the need for optimization.


Please cite this article as follows: Jafari S, Heidari F, Asgari M, Ghazikhanlou Sani K, Khosravi H, Afzalipour R. Image findings and radiation dose in lung CT scan of patients with COVID-19 in Hamadan. Avicenna J Care Health Oper Room. 2024; 2(2):59-64. doi:10.34172/ajchor.42
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