上海市“十一五”期间X射线诊断的应用频率及其分布研究

Abstract

Abstract: Through a comprehensive investigation on basic situations of diagnostic X-ray procedures in Shanghai, the types of diagnostic X-ray procedures and the gender and age of examinees were counted, and the application frequency and its distributions were calculated. At the end of 2010, there were 3 270 medical and health institutions in Shanghai, and 39.11% of them engaged in diagnostic X-ray examinations. The practicing physicians including assistants accounted 2.2 persons for per thousand population in the city. During the Eleventh Five-Year Plan period, the equipment numbers of digital radiography (DR), computed radiography (CR), mammography and digital subtraction angiography (DSA) increased by annual averages of 21.3%, 13.5%, 11.2% and 10.0% respectively. On the other hand, the equipment number of conventional X-ray machine reduced by an annual average of 8.1% during the same period. The annual application frequency of diagnostic X-ray procedures was averaged to be 763.23 person·time for per 1 000 population in 2007 and 2009. Among the procedures, the chest photography, X-CT scans, limbs and joints photography were the mostly performed. The frequencies of skull radiography, bariumenema, pelvis and hips photography reduced significantly, while the frequencies of spine photography, cholecystography, torso X-CT scans and panoramic dental radiography increased significantly. Among different groups of examinees, 56.66% of the group under 15-year old took the chest radiography,22.54% and 26.43% of the group between 16-and 40-year old took the chest radiography and chest fluoroscopy, and 32.19% and 17.09% of the group older than 40-year old took the chest radiography and X-CT scans, respectively. Obviously, the application frequency of medical diagnostic X-ray procedures in Shanghai during the Eleventh Five-Year Plan period has reached a record high, and taking effective measures to strengthen the radiation protection from medical exposureis currently a very important public health issue.

Key words: the Eleventh Five-Year Plan period, diagnostic X-ray procedures, medical exposure, application frequency, distribution

CLC Number:

R144

Gao Linfeng, Zheng Junzheng, Zhuo Weihai, Yao Jie, Wang Bin, Qian Aijun, Ji Guiyi, Xiao Hong. Application Frequency and Distribution of Medical Exposure from Diagnostic X-ray Procedures during 2006—2010 in Shanghai[J].RADIATION PROTECTION, 2014, 34(5): 274-280.

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Application Frequency and Distribution of Medical Exposure from Diagnostic X-ray Procedures during 2006—2010 in Shanghai

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