Radiation exposure during neurointerventional procedures in modern angiographic systems: A single center experience

Abstract

Background/Aim. Interventional neuroradiology procedures expose patients to ionizing radiation. The aim of this study was to assess the doses received by patients during interventional neuroradiology procedures and to establish dose range with an estimate of risk from adverse consequences of irradiation. Methods. Our study describes series of patients submitted to diagnostic and/or therapeutic procedures at the Department of Interventional Neuroradiology, Clinical Center Kragujevac, Serbia, from December the 1 st 2014 to December the 1 st 2016. The following variables were considered for this study: kerma-area product, air kerma and fluoroscopy exposure time; peak skin dose and effective dose were calculated from the kerma-area product. Results. Median kerma-area product was (87.802 Gy•cm 2 , 78.567 Gy•cm 2 , 117.626 Gy•cm 2), effective dose (12.731 mSv, 11.392 mSv, 17.056 mSv) peak skin dose (0.456 Gy, 0.409 Gy, 0.612 Gy) and estimated brain dose (254.62 mGy, 227.84 mGy, 341.12 mGy) for diagnostic, therapeutic and combined procedures, respectively. Conclusion. Interventional neuroradiology procedures show significant variability in radiation dose, due to patient constitution, radiologist expertise and equipment factors. Knowing the doses can have a great benefit for the patients and medical and paramedical stuff in terms of prevention of possible deterministic and stochastic effects of the radiation.