scholarly journals [P007] Patient dose management systems. Our experience in the CT department

2018 ◽  
Vol 52 ◽  
pp. 101
Author(s):  
Virginia Tsapaki ◽  
Niki Fitousi ◽  
Dimitrios Niotis ◽  
Chariklia Triantopoulou ◽  
Petros Maniatis
Author(s):  
Eliseo Vano PhD ◽  
José M Fernández ◽  
José I. Ten ◽  
Roberto M. Sanchez

Objectives: Radiation dose management systems (DMS) are currently to help improve radiation protection in medical imaging and interventions. This study presents our experience using a homemade DMS called DOLQA (Dose On-Line for Quality Assurance). Methods: Our DMS is connected to 14 X-ray systems in a university hospital linked to the central data repository of a large network of 16 public hospitals in the Autonomous Community of Madrid, with 6.7 million inhabitants. The system allows us to manage individual patient dose data and groups of procedures with the same clinical indications, and compare them with diagnostic reference levels (DRLs). The system can also help to prioritize optimisation actions. Results: This study includes results of imaging examinations from 2020, with 3,7601 procedures and 28,6471 radiation events included in the radiation dose structured reports (RDSR), for computed tomography (CT), interventional procedures, positron emission tomography-CT (PET-CT) and mammography. Conclusions: The benefits of the system include: automatic registration and management of patient doses, creation of dose reports for patients, information on recurrent examinations, high dose alerts, and help to define optimisation actions. The system requires the support of medical physicists and implication of radiologists and radiographers. DMSs must undergo periodic quality controls and audit reports must be drawn up and submitted to the hospital’s quality committee. The drawbacks of DMSs include the need for continuous external support (medical physics experts, radiologists, radiographers, technical services of imaging equipment and hospital informatics services) and the need to include data on clinical indication for the imaging procedures. Advances in knowledge: DMS perform automatic management of radiation doses, produces patient dose reports, and registers high dose alerts to suggest optimisation actions. Benefits and limitations are derived from the practical experience in a large university hospital.


2016 ◽  
Vol 31 (Suppl 1) ◽  
pp. S45 ◽  
Author(s):  
Michael Yong Park ◽  
Seung Eun Jung
Keyword(s):  

2020 ◽  
Vol 93 (1111) ◽  
pp. 20200055
Author(s):  
Nathan Dickinson ◽  
Matthew Dunn

Objective: To assess the accuracy and agreement of radiology information system (RIS) kerma–area product (KAP) data with respect to automatically populated dose management system (DMS) data for digital radiography (DR). Methods: All adult radiographic examinations over 12 months were exported from the RIS and DMS at three centres. Examinations were matched by unique identifier fields, and grouped by examination type. Each centre’s RIS sample completeness was calculated, as was the percentage of the RIS examination KAP values within 5% of their DMS counterparts (used as an accuracy metric). For each centre, the percentage agreement between the RIS and DMS examination median KAP values was computed using a Bland–Altman analysis. At two centres, up to 42.5% of the RIS KAP units entries were blank or invalid; corrections were attempted to improve data quality in these cases. Results: Statistically significant intersite variation was seen in RIS data accuracy and the agreement between the uncorrected RIS and DMS median KAP data, with a Bland–Altman bias of up to 11.1% (with a −31.7% to 53.9% 95% confidence interval) at one centre. Attempts to correct invalid KAP units increased accuracy but produced worse agreement at one centre, a slight improvement at another and no significant change in the third. Conclusion: The RIS data poorly represented the DMS data. Advances in knowledge: RIS KAP data are a poor surrogate for DMS data in DR. RIS data should only be used in patient dose surveys with an understanding of its limitations and potential inaccuracies.


2014 ◽  
Vol 27 (6) ◽  
pp. 786-793 ◽  
Author(s):  
A. Nitrosi ◽  
A. Corazza ◽  
M. Bertolini ◽  
R. Sghedoni ◽  
P. Pattacini ◽  
...  
Keyword(s):  

2016 ◽  
Vol 69 (1) ◽  
pp. 103-106 ◽  
Author(s):  
Kyo-Tae Kim ◽  
Ye-Ji Heo ◽  
Kyung-Min Oh ◽  
Sang-Hee Nam ◽  
Sang-Sik Kang ◽  
...  

2012 ◽  
Vol 41 (3-4) ◽  
pp. 154-160 ◽  
Author(s):  
M.M. Rehani

In 1998, the International Commission on Radiological Protection (ICRP) warned that computed tomography (CT) doses were high, and the frequency of usage was likely to increase in view of spiral CT technology that enhances patient convenience and provides high-quality diagnostic information. Two ICRP publications ( Publications 87 and 102) have provided patient dose management recommendations while reviewing the technology and results of optimisations to date, and stimulated interest in patient dose management. The International Atomic Energy Agency, on the other hand, has been instrumental in assessing the state of practice at grassroots level, identifying lacunae in justification and optimisation, providing guidance to counterparts in various countries, and improving practice. The results from approximately 50 less-resourced countries for adult and paediatric CT studies have become available, and some have been published. The concerted efforts and actions by these two international organisations have contributed to better awareness and improvement of patient protection in CT in adults and children in many countries.


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