本文選題：醫(yī)源性輻射 + 防護(hù)��； 參考：《中國(guó)輻射衛(wèi)生》2007年03期

【摘要】：目的對(duì)蘭州軍區(qū)醫(yī)療衛(wèi)生單位醫(yī)源性輻射的設(shè)備防護(hù)性能、射線產(chǎn)生的自由基對(duì)DNA損傷、放射工作人員個(gè)人劑量監(jiān)測(cè)和放射防護(hù)管理等方面進(jìn)行研究和實(shí)踐,旨在提高輻射防護(hù)水平和質(zhì)量。方法按照國(guó)家相關(guān)標(biāo)準(zhǔn)進(jìn)行放射工作場(chǎng)所輻射防護(hù)監(jiān)測(cè);采用軍事醫(yī)學(xué)科學(xué)院研制的診斷X射線機(jī)質(zhì)量保證檢測(cè)箱進(jìn)行質(zhì)量保證檢測(cè)。根據(jù)《軍隊(duì)放射防護(hù)監(jiān)督實(shí)施辦法》進(jìn)行輻射防護(hù)監(jiān)督管理。結(jié)果對(duì)62臺(tái)不達(dá)標(biāo)X射線機(jī)進(jìn)行防護(hù)改造,超標(biāo)點(diǎn)由原來的79%下降至改造后的10.4%。軍區(qū)醫(yī)用診斷X射線機(jī)房防護(hù)狀況進(jìn)行監(jiān)測(cè)。質(zhì)量保證監(jiān)測(cè)了22臺(tái)醫(yī)用診斷X射線機(jī)中,除進(jìn)口的1臺(tái)攝影機(jī)及1臺(tái)透視機(jī)全部指標(biāo)合格外,其余的均有一項(xiàng)或數(shù)項(xiàng)指標(biāo)未達(dá)標(biāo)。射線產(chǎn)生的自由基使DNA合成持續(xù)抑制,為不可恢復(fù)的模板型損傷。結(jié)論通過長(zhǎng)期監(jiān)督監(jiān)測(cè),蘭州軍區(qū)放射工作場(chǎng)所環(huán)境防護(hù)有了較大的改善;診斷X射線機(jī)質(zhì)量保證質(zhì)量控制水平有待進(jìn)一步提高。
[Abstract]:Objective to study and practice the equipment protection performance of iatrogenic radiation in medical and health units of Lanzhou military region, DNA damage caused by free radicals produced by radiation, personal dose monitoring and radiation protection management of radiation workers. The aim is to improve the level and quality of radiation protection. Methods Radiological protection monitoring was carried out according to the relevant national standards, and the quality assurance test box of diagnostic X-ray machine developed by the Academy of military Medical Sciences was used for quality assurance inspection. Radiation protection supervision and administration shall be carried out in accordance with the measures for the Supervision of radiation Protection in the Army. Results 62 non-standard X-ray machines were retrofitted and the over-punctuation points decreased from 79% to 10.4%. The medical diagnostic X-ray engine room of the military region was monitored. Quality assurance monitored 22 medical diagnostic X-ray machines. Except for the imported one camera and one fluoroscopy machine, one or more of the other indexes were not up to the standard. The free radicals produced by radiation inhibit DNA synthesis continuously and are unrecoverable template damage. Conclusion through long-term supervision and monitoring, the environmental protection in the radiation workplace of Lanzhou military region has been greatly improved, and the quality assurance quality control level of diagnostic X-ray machine needs to be further improved.
【作者單位】： 蘭州軍區(qū)放射衛(wèi)生防護(hù)監(jiān)測(cè)中心 蘭州軍區(qū)放射衛(wèi)生防護(hù)監(jiān)測(cè)中心 蘭州軍區(qū)放射衛(wèi)生防護(hù)監(jiān)測(cè)中心 蘭州軍區(qū)放射衛(wèi)生防護(hù)監(jiān)測(cè)中心 蘭州軍區(qū)放射衛(wèi)生防護(hù)監(jiān)測(cè)中心
【分類號(hào)】：R82

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