The development of a diagnostic reference level on patient dose for CT examination in Korea

2007 ◽  
Vol 129 (4) ◽  
pp. 463-468 ◽  
Author(s):  
P. Cho ◽  
B. Seo ◽  
T. Choi ◽  
J. Kim ◽  
Y. Kim ◽  
...  
2010 ◽  
Vol 62 (6) ◽  
pp. 523 ◽  
Author(s):  
Myung Jin Chung ◽  
Kwang Yong Lee ◽  
Byung Young Lee ◽  
Hyeog Ju Kim ◽  
Hyo Keun Lim

Author(s):  
Mesfin Zewdu ◽  
Elias Kadir ◽  
Million Tesfaye ◽  
Melkamu Berhane

Abstract The main purpose of this study was to determine local diagnostic reference level (LDRL) for Routine Computed Tomography (CT) examination in, Jimma University Medical Center (JUMC) South West Ethiopia. Retrospective study was conducted to determine LDRL for routine CT examination in JUMC. We have considered CTDIvol and DLP as dosimetric quantity based on the recommended guidelines to determine LDRLs by different international legal Authorities. The 75th percentile values of the calculated CTDIvol and DLP were proposed as LDRL. LDRL was obtained as CTDIvol, 42.97mGy, 7.76mGy, 14.32mGy, and 10.86mGy for routine brain CT, routine chest CT, routine thoraco-lumbar CT and routine abdomen CT examination respectively. Similarly the determined LDRL from DLP was 1364.15mGycm, 368.96mGycm, 853.18mGycm, and 1568.96mGycm for brain, chest, thoraco-lumbar and abdomen examination respectively. The LDRL obtained for DLP was higher compared with international DRLs; it can be reduced by coordinating effort between radiologists, technologists and medical physicist.


Author(s):  
Ida Bagus Made Suryatika ◽  
Gusti Ngurah Sutapa ◽  
I Gde Antha Kasmawan

The utilization of radiation for health in Indonesia shows a significant increase, it can be seen from the increasing number of modalities of ionizing radiation sources used and the types of medical actions carried out with the help of radiation. The use of radiation must be monitored to ensure the protection and safety of workers, patients, and the community. In Government Regulation No. 33/2007 which regulates radiation safety for workers, the community and the environment, it can be seen that one of the protection requirements that must be met in the utilization of radiation is the optimization of radiation protection and safety. In diagnostic and interventional radiology, optimization can be interpreted as an attempt to make the dose received by patients as low as possible while maintaining optimum image quality. In this study, the effort to optimize patient dose is carried out on general radiography with the application of Si-INTAN (National Patient Dose Data Information System).


2020 ◽  
Vol 191 (4) ◽  
pp. 439-451
Author(s):  
Hyemin Park ◽  
Yongsu Yoon ◽  
Jungmin Kim ◽  
Jungsu Kim ◽  
Hoiwoun Jeong ◽  
...  

Abstract The International Electrotechnical Commission introduced the concepts of exposure index (EI), target exposure index (EIT) and deviation index (DI) to manage and optimize patient dose in real time. In this study, we have proposed an appropriate method for setting the EIT based on the Korean national diagnostic reference levels (DRLs). Furthermore, we evaluated the use of clinical EI, EIT and DI as tools for patient dose optimization in clinical environments by observing the changes in DI with those in EIT. According to the Korean national exposure conditions, we conducted experiments on three representative radiographic examinations (chest posterior–anterior, lateral and abdomen anterior–posterior) of clinical environments. As the exposure conditions and DRLs varied, the clinical EI, EIT and DI also varied. These results reveal that the clinical EI, EIT and DI can be used as tools for optimizing the patient dose if EIT is periodically and properly updated.


2021 ◽  
Author(s):  
Benard Ohene Botwe ◽  
Cyril Schandorf ◽  
Stephen Inkoom ◽  
Augustine Faanu ◽  
Linn Rolstadaas ◽  
...  

2021 ◽  
pp. 110049
Author(s):  
Hamid Osman ◽  
Bassem M. Raafat ◽  
Nahla L. Faizo ◽  
Rania Mohammed Ahmed ◽  
Sultan Alamri ◽  
...  

2013 ◽  
Vol 46 (5) ◽  
pp. 284-289 ◽  
Author(s):  
Cássio Miri Oliveira ◽  
Lidia Vasconcellos de Sá ◽  
Thêssa Cristina Alonso ◽  
Teógenes Augusto da Silva

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