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新型冠状病毒肺炎CT方舱剂量检测与防护分析 被引量:4

Monitoring of CT dose and analysis of radiological protection in CT modules applied for COVID-19
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摘要 目的调查新型冠状病毒肺炎防控期间武汉地区方舱医院使用的CT方舱放射诊疗安全与放射防护水平。方法现场调查CT方舱的总体布局、放射防护设施及个人防护用品,并对CT方舱放射防护水平、CT剂量指数进行检测,按照国家相关标准进行分析与评价。结果CT方舱总体布局基本合理,设置的放射防护设施较齐全。检测23套CT方舱放射防护水平,合格20套,合格率87.0%,3套不合格CT方舱各存在1个超标检测点,经整改后均符合要求;检测7台方舱CT的体部剂量指数,加权CT剂量指数(CTDIW)变化幅度均在±7.5%内。结论CT方舱放射防护效果总体较好,可满足新型冠状病毒肺炎防控期间放射诊疗辐射安全与放射防护的要求。 Objective To investigate the safety and protection level of radiological treatment in the CT modules in the makeshift hosptials in Wuhan during the prevention and treatment of COVID-19 cases.Methods The layout of the CT modules in makeshift hospitals,radiological protection facilities and personal protective equipment were investigated.Based on the national standards,the CT dose index was estimated and the radiological protection level at the CT modules were measured.Results The layout of the CT modules in makeshift hospitals is reasonable,with well-equipped radiological protection facilities.Of 23 CT modules,20 were up to standards with acceptability of 87.0%.The other three were unqualified each with 1 detection points having values in excess of the national standards.Which,after being modified immediately reached the national standards.In addition,CT dose index for 7 CT modules were estimated,with CTDIW within±7.5%.Conclusions The CT modules in Wuhan meet the requirements of radiological safety and protection during the prevention and treatment of COVID-19 cases.
作者 刘安生 黄柏林 李翠玲 杨开 杜汉其 易桂林 Liu Ansheng;Huang bolin;Li Cuiling;Yang Kai;Du Hanqi;Yi Guilin(Wuhan Prevention and Treatment Center for Occupational Diseases,Wuhan 430015,China)
出处 《中华放射医学与防护杂志》 CAS CSCD 北大核心 2020年第5期338-342,共5页 Chinese Journal of Radiological Medicine and Protection
关键词 新型冠状病毒肺炎 CT方舱 放射防护 CT剂量指数 COVID-19 CT module Radiological protection CT dose index
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