Patient Skin Dose in Interventional Radiology, TOCE at Songklanagarind Hospital

Authors

  • Anchali Krisanachinda Department of Radiology. Faculty of Medicine. Chulalongkorn University
  • Prasert Wattanapongpitak Department of Radiology, Faculty of Medicine, Prince of Songklanagarind University
  • Panomporn Vimuttisuk Department of Radiology, Faculty of Medicine, Prince of Songklanagarind University

Abstract

The purpose of this study is to determine the patient skin dose for Transarterial Oil Chemo Embolization (TOCE) procedure and the factors affecting in this study. Dose Area Product (DAP) meter was used to measure the patient skin dose in terms of Gy.m2. After applying the exposed area on the imaging plate placed on patient's couch, the skin dose, mGy, can be determined. Twenty-nine hepato-cellular carcinoma (HCC) patients underwent TOCE procedure at Songklanakarind Hospital were carried out for interventional radiology procedures in the period of July-September 2008. The average skin dose is 0.428 Gy, the maximum dose is 1.249 Gy and the minimum dose is 0.176 Gy.

As the exposed area on the imaging plate is mostly invariable, the patient skin dose is directly dependent on the DAP readout with the correlation coefficient, r2 of 0.97 while the correlation coefficient with body mass index is 0.102 and the correlation coefficient with the fluoroscopy time is 0.22. The maximum skin dose is lower than the threshold limit of erythema dose of 2 Gy.

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References

Koenig TR, Wolff D, Mettler FA. Wagner LK. Skin injuries from fluoroscopically guided procedures: Part 1, Characteristics of radiation injury. AJR Am J Roentgenol 2001 177;3-11

Koenig TR. Mettler FA, Wagner LK. Skin injuries from fluoroscopically guided procedures: Part 2, review of 73 cases and recommendations for minimizing dose delivered to the patient. AJR Am J Roentgenol 2001:177:13-20.

Shope TB. Radiation induced skin injuries from fluoroscopy. RadioGraphics 1996;16:1195-9.

Vlietstra RE. Wagner LK, Koenig TR. Mettler F. Radiation burns as a severe complication of fluoroscopically guided cardiological interventions. J Intervention Cardio 2004 17:131-42.

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Published

2023-04-28

How to Cite

1.
Krisanachinda A, Wattanapongpitak P, Vimuttisuk P. Patient Skin Dose in Interventional Radiology, TOCE at Songklanagarind Hospital. ASEAN J Radiol [Internet]. 2023 Apr. 28 [cited 2024 Nov. 21];16(1):35-41. Available from: https://asean-journal-radiology.org/index.php/ajr/article/view/839

Issue

Vol. 16 No. 1 (2010): January-April

Section

Original Article

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