| Sun Yanling,Lu Guicai,Li Hongcheng,Kong Qingyu,Ji Xuli.Investigation of the frequency of medical radiation exposure in Ningxia region[J].Chinese Journal of Radiological Medicine and Protection,2016,36(10):757-760,779 |
| Investigation of the frequency of medical radiation exposure in Ningxia region |
| Received:June 22, 2016 |
| DOI：10.3760/cma.j.issn.0254-5098.2016.10.008 |
| KeyWords:Medical exposure Frequency X-ray diagnosis |
| FundProject: |
| Author Name | Affiliation | E-mail | | Sun Yanling | Ningxia Centers for Diseases Prevention Control, Yinchuan 750004, China | | | Lu Guicai | Ningxia Centers for Diseases Prevention Control, Yinchuan 750004, China | nxcdclgc@163.com | | Li Hongcheng | Ningxia Centers for Diseases Prevention Control, Yinchuan 750004, China | | | Kong Qingyu | Ningxia Centers for Diseases Prevention Control, Yinchuan 750004, China | | | Ji Xuli | Ningxia Centers for Diseases Prevention Control, Yinchuan 750004, China | |
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| Abstract:: |
| Objective To understand the allocation of radiological diagnostic equipment and the frequency of medical radiation exposure in the medical institutions in Ningxia region, in order to provide the basis for the reasonable application of medical radiation technology. Methods The general survey in the form of the questionnaires was used to investigate and analyze the medical radiation usage of medical X-ray diagnostics, interventional radiology, nuclear medicine and radiotherapy in Ningxia region medical institutions. Results The frequency of X-ray diagnostic radiography in Ningxia region was 727.9 per 1 000 population in 2014. The frequency of X-ray photography examination was the highest, 525.2 per 1 000 population, followed by the frequency of CT scanning, 147.9 per 1 000. For others, the frequency was radiotherapy 6.0 per 1 000 population, nuclear medicine 1.8 per 1 000 and interventional radiology 3.8 per 1 000, respectively. These differences were of statistical significance in frequency of X-ray diagnostic examination in five cities' medical institutions in Ningxia (χ2=162 280.7, P<0.05), also in all medical institutions at different levels (χ2=902 485.2,P<0.05) and for both frequency of X-ray photography examination and CT scanning in these institutions (χ2=471 574.9,181 887.1,P<0.05). Conclusions Of the X-ray diagnostic radiography, the CT scanning has become a major means next only to the X-ray photography examination. There are differences in frequency of X-ray diagnostic examination in the medical institutions at different levels in different cities of the region. The related regulatory authorities should strengthen the supervision and management of radiation protection in medical institutions, to ensure the justification of diagnostic radiology and radiotherapy. |
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