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Comparison of typical doses for ten CT clinical indications with EU clinical DRLs in three Croatian university hospitals (CROSBI ID 735890)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Kralik, Ivana ; Brkljacic, Boris ; Cvetko, Danijel ; Hulina, Iva ; Justic, Mihaela ; Popic, Jelena ; Bjelobrk, Ivana ; Turk, Tajana ; Faj, Dario Comparison of typical doses for ten CT clinical indications with EU clinical DRLs in three Croatian university hospitals // Electronic Presentation Online System of the European Society of Radiology. 2023. doi: 10.26044/ecr2023/ESI-16947

Podaci o odgovornosti

Kralik, Ivana ; Brkljacic, Boris ; Cvetko, Danijel ; Hulina, Iva ; Justic, Mihaela ; Popic, Jelena ; Bjelobrk, Ivana ; Turk, Tajana ; Faj, Dario

engleski

Comparison of typical doses for ten CT clinical indications with EU clinical DRLs in three Croatian university hospitals

Purpose or Learning Objective: Purpose of this study is to compare typical doses for ten CT clinical indications in three Croatian university hospitals with EU clinical DRLs, as given in Radiation protection 195 publication (hereinafter: RP 195). Methods and Background: The previous practice in Croatia involved comparison of typical doses with the national DRLs only for anatomical regions since Croatian legislation still does not recognize clinical DRLs. After RP 195 was published, it became possible to perform a comparison of typical values of CT dosimetric quantities for clinical indications. Three university hospitals with five CT units were involved in this study. Typical values for ten clinical indications for which EU clinical DRLs are given in RP 195 were calculated for CTDIvol, p, DLPp, DLPt and scanning length (L). Typical values were compared with DRL values given in RP 195. Data were collected for at least 30 standard patients if DMS was unavailable and for more than 100 patients in case of hospitals where DMS is available, for each CT unit and clinical indication. Results or Findings: The results of the analysis show that for the same clinical indications, imaging is performed differently in different hospitals and in some cases differently when more CT units are used at the same hospital, including different numbers of phases (precontrast and postcontrast). Only in case of two clinical indications, typical values for CTDIvol, p and DLPp are lower than RP 195 DRL values for all CT units involved in the study. Conclusion: Results of this study emphasise the importance of the use of clinical DRLs (instead of anatomical) and shows the need for thorough analysis of used CT protocols and continuation of cooperation of all involved professions towards further optimisation

Radiation physics, Radioprotection / Radiation dose, CT, Dosimetry, Physics, Radiation safety, Dosimetric comparison

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Podaci o prilogu

2023.

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objavljeno

10.26044/ecr2023/ESI-16947

Podaci o matičnoj publikaciji

Electronic Presentation Online System of the European Society of Radiology

Podaci o skupu

European Congress of Radiology 2023

poster

01.03.2023-05.03.2023

Beč, Austrija

Povezanost rada

Fizika, Kliničke medicinske znanosti

Poveznice