RADIATION DOSE FOR PATIENTS WITH KAWASAKI DISEASE UNDERGOING FLUOROSCOPICALLY GUIDED CARDIAC CATHETERIZATION.

The goal of the present study was to estimate the radiation dose for a group of 45 Kawasaki disease (KD) patients undergoing fluoroscopically guided cardiac catheterization. The sample of procedures corresponds to a single hospital and was collected in 10 years. Anthropometric characteristics and the quantities of air kerma-area product (PKA) among others were recorded for each procedure. Monte Carlo PCXMC 2.0 software was used to estimate organ and effective doses. The PKA value of 7.2 Gy cm2 was proposed as the local Diagnostic Reference Level for KD. For organ absorbed doses, median values for thyroid, heart, lungs, esophagus, skin, active bone and breast were 1.2; 2.2; 4.6; 2.7; 1.1; 1.2 and 2.7 mGy, respectively. For effective dose, the mean value was 2.7 ± 2.5 mSv. This paper presents the first patient dose values for the KD using catheterization techniques, in Latin America and the Caribbean Region.

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