Abstract
Neurointerventional radiology (NIR) procedures often require an extended long time to perform. Patient radiation dose is an important issue due to hazards of X-ray radiation. The aim of this work was to measure the entrance surface dose (ESD) on the patient's head during interventional neurologic procedure. A batch of solid-state dosimeters were used by mean of thermally stimulated luminescence (TSL) phenomena. Thermoluminescent dosimeters (TLDs) were placed around the head patient during interventional procedures. The ESD on the surface of the head patient was measured. The monitoring of patient's ESDs varied from 5.91 mGy up to 67.44 mGy for arteriovenous fistula (AVF) classified as diagnostic interventional radiology procedures. The highest ESD was determined for 180° with 67.44 mGy. Meanwhile, for therapeutic interventional procedures named arteriovenous malformation (AVM), the ESD measurements revealed a variation from 65.91 mGy and 600.73 mGy. The highest ESD values is attributed acquisition imaging mode during AVM therapeutic procedures. The results suggest the requirements of adopting strategies for radiation dose optimization during neurologic interventional procedures.
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