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	Authors	Institution
	Murdhi AL Harbi	PSMMC

Theme

Radiation Protection & Safety

Radiation Risk Assessment of Female Patients Undergoing Uterine Artery Embolization Procedures

Background

Uterine artery embolization (UAE) procedure is a minimally invasive procedure performed under fluoroscopic guidance in interventional radiology department. A catheter is introduced to the sheath that is inserted either in radial or femoral arteries, the catheter is then placed in the uterine artery and embolic agents is injected to block the artery in order to prevent hemorrhages. UAE has been used for treatment of uterine pathologies since early nineties.

Summary of Work

Since October 2018 and in order to establish our local patient radiation dose reference levels resulting from UAE procedures and to benchmark our practice against the internationally published data. We have observed factors such as fluoroscopy time (FT), dose area product (DAP) and cumulative dose (CD) available at the Angiography machine console and registered in the radiation dose report attached to each fluoroscopically guided procedures available through the picture archiving and communication system (PACS).

Take-home Messages

Summary of Results

Based on 86 procedures, the average fluoroscopy time was 30.2 +/- 16.8 min, the DAP was 34098 +/- 21283 µGy.m2, and the CD was 2383 +/- 1873 mGy.

These results are in agreement with the internationally published results. We note the large coefficient of variation of 56%, 66% and 78% for the FT, DAP and CD respectively. This seems to indicate a large variation in the radiation dose parameters that warrant deeper investigation to find out the factors that may be responsible for such disparity.

Conclusion

UAE procedures are performed quit frequently in our institution and the observed patient radiation doses parameters are in agreement with the published data worldwide.

References

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