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C-0774 - Experience with a real time patient skin dose distribution estimator for interventional radiology.

R. M. Sanchez1, E. Vano1, J. Fernández Soto1, J. Ten1, J. Mendez Montero2, J. Armijo1, M. Leyva Vásquez-Caicedo1, C. Gonzalez Nieto1; 1 Madrid/ES 2 MADRID/ES Type: Scientific Exhibit
Area of Interests: Interventional vascular, Interventional non-vascular, Radioprotection / Radiation dose
Imaging Technique: Fluoroscopy
Procedures: Radiation safety, Dosimetry
Special Focus: Quality assurance
Please note: This poster is part of the session VoE 44 - Spain on Thursday, March 2, 15:00 - 16:00 Add poster to my schedule In your schedule (remove)

Direct link to access the poster (click here)

Aims and objectives: During interventional radiology practices, it might be necessary, in some cases, to deliver high radiation doses to the patient’s skin [1,2]. When procedures are complex or when various procedures are necessary to treat patients, high peak skin doses (PSD) may produce several degrees of skin lesions[...]

Methods and materials: The system developed to estimate the patient skin dose distribution is commercially available under the name Dose Tracking System (Toshiba Medical) [10-11] and has been installed in a new interventional radiology laboratory at the Hospital Clínico San Carlos (Madrid, Spain). The system captures, in [...]

Results: Figures 3 and 4 show a comparison between the dose distribution measured with the film and the system estimation for the simple (figure 3) and the complex (figure 4) cases. In the simple case, the difference in peak skin dose between the estimator and the film was -5%. For the more complex procedure[...]

Conclusion: The system evaluated shows interventionalists real time PSD with enough accuracy (around 10%). The parameter air kerma at the patient entrance reference point can underestimate the skin doses when lateral projections happen to be predominant. The graphic interface allows specialists to change the be[...]

Personal information: Roberto M Sanchez. Medical Physics Dpt. Hospital Clinico San Carlos and Instituto de Investigación Sanitaria del Hospital San Carlos. Madrid. Spain. robertomariano.sanchez@salud.madrid.org Eliseo Vano. Medical Physics Dpt. Hospital Clinico San Carlos, Instituto de Investigación Sanitaria del Hospi[...]

References: ICRP publication 85. Avoidance of Radiation Injuries from Medical Interventional Procedures. Ann. ICRP 30 (2), 2000. ICRP 120. Radiological protection in cardiology. Ann. ICRP 42(1), 2013  Rehani MM1, Srimahachota S. Skin injuries in interventional procedures. RadiatProtDosimetry. 2011 Sep;147[...]

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