Abstract 17820: Radiation Dose and Risk of Cancer Development During Electrophysiology Procedure
Background : Fluoroscopy during EPS causes radiation exposure to patients and staff, which has the influence on the risk of potentially skin damage, cancer, and genetic effects. Thus, this research is to investigate the effective dose and organ dose of patients for the radiation exposure during EP procedure and to estimate the risk of cancer by measuring the effective dose of staff.
Method : This study calculated the dose of patients by using the value of dose-area product(DAP) to check the exposure dose of patients and staff from EP procedure and estimated the dose and cancer risk of staff by reading optically stimulated luminescent dosimeter(OSL) attached onto radiation protection tool after the procedure.
Result : This study duration was 3 months. Total procedure was 95 cases(EPS only 17, AFIB ablation 14, PMK 28, ICD 5). During procedures, mean time of fluoroscopy was 20.8 minutes and maximum 68.4 mins. Mean value of DAP was 112.0 Gycm2 and maximum 519.6 Gycm2. Mean effective dose estimated using value of DAP and PCXMC program was 35.9 mSv. Mean effective dose of primary operator for 3 months was 1.6mSv, converted in 1 year, 6.4 mSv(Table 1). Lifetime attributable risk of cancer(LAR) ; If Men's operator of 1 year exposure dose was 6.4 mSv, calculated LAR was presented in Table 2. Ages of 18 and continued working until age 65, assuming exposure continuously, operator of all cancer incidence per 1 of the 51 people all cancer patients are likely to be seen. In addition, calculated mortality rate could be 1 of the 92 people, 0.011%(Table 2)
Conclusion : In this study,there was significant relationship between occupational radiation dose of the primary operator and a risk of cancer.
- © 2012 by American Heart Association, Inc.