Peak skin dose measurements for patients in neuro-interventional procedures using radiochromic film
10.3760/cma.j.issn.0254-5098.2021.12.013
- VernacularTitle:神经介入手术中患者峰值皮肤剂量水平研究
- Author:
Qiaoqiao ZHAO
1
;
Yaohua FAN
;
Zhuo HUANG
;
Hui XU
;
Xiangming OU
Author Information
1. 中国疾病预防控制中心辐射防护与核安全医学所 辐射防护与核应急中国疾病预防控制中心重点实验室，北京 100088
- Keywords:
Neuro-interventional procedures;
Peak skin dose;
Threshold values;
Deterministic effect
- From:
Chinese Journal of Radiological Medicine and Protection
2021;41(12):951-955
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To determine the peak skin dose (PSD) to patients from neuro-interventional procedures and evaluate the risk of the deterministic effect.Methods:Gafchromic XR RV3 films were used in a level A tertiary hospital in Beijing to measure the patients′ PSD from neuro-interventional procedures, mainly three common types of procedures, including vascular embolization, vascular angioplasty and vascular angiography. The films were scanned by Epson Expression 10000XL, read by ImageJ software, and analyzed by Film QA Pro?2014 software.Results:PSD was measured in 23 embolizations, 14 stentings and 12 arteriography. There were 20 patients whose PSD were equal or greater than 2 Gy, including 15 in vascular embolization and 5 in angioplasty. The PSDs to patients in cerebral arteriography were all below 2 Gy. The PSDs to some of the patients were higher than the threshold for deterministic effect recommended by ICRP Publication 118.Conclusions:There is a risk of deterministic effect in neurointerventional procedures. It is suggested that the patients be followed up to observe their radiation injury as well as to know in time the subsequent diagnosis and treatment.
