Submitted: 05 Mar 2023
Revision: 15 May 2023
Accepted: 27 May 2023
ePublished: 17 Jul 2023
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Avicenna J Care Health Oper Room. 2023;1(1): 11-15.
doi: 10.34172/ajchor.2
  Abstract View: 205
  PDF Download: 207
  Full Text View: 84

Original Article

Estimation of Entrance Surface Dose and Dose Area Product in Most Frequently Used Radiography Examinations in Hamadan

Faeze Heidari 1 ORCID logo, Maedeh Saiedi 1, Salman Jafari 2* ORCID logo

1 Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
2 Department of Radiology Technology, School of Paramedicine, Hamadan University of Medical Sciences, Hamadan, Iran
*Corresponding Author: Salman Jafari, Email: sa.jafari@umsha.ac.ir


Background: Radiation dose in C-arm procedure and radiography may lead to late complications such as cancer. Entrance surface dose (ESD) and dose area product (DAP) are two practical indicators for patient dose estimation. This study aimed to calculate ESD and DAP based on exposure parameters for the most common radiographic examinations in educational hospitals of Hamadan.

Methods: This work was conducted in three radiography centers in Hamadan in 2020. ESD was determined using a standard equation. Radiation parameters, including maximum kilovolt and milliampere-seconds (mAs), were obtained from the device console, and the output factor was obtained from the calibration certificate. Eventually, ESD and DAP were computed for the head, chest, abdomen, and pelvic radiography examinations.

Results: Means of ESD and DAP were 0.68±0.44 mGy and 274.03±179.84 mGy.cm2 for head, as well as 0.13±0.07 mGy and 117.64±70.07 mGy.cm2 for chest. In addition, the corresponding valures were 1.31±0.82 mGy and 1187.17±738.3 mGy.cm2 for the abdomen, as well as 0.84±0.83 mGy and 764.84±753.59 mGy.cm2 for the pelvic. The difference in ESD and DAP for all examinations between centers was significant (P<0.05).

Conclusion: Several factors affect radiation exposure and patient dose in radiography. Some of these factors are subjective and depend on technician knowledge. It is possible to reduce the patients’ dose while maintaining image quality by regular training of technicians.

Please cite this article as follows: Heidari F, Saiedi M, Jafari S. Estimation of entrance surface dose and dose area product in most frequently used radiography examinations in Hamadan. Avicenna Journal of Care and Health in Operating Room. 2023; 1(1):11-15. doi:10.34172/ajchor.2
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