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应用拟人模体测量双轴旋转冠状动脉造影现场护理人员站立位置X线剂量的研究 被引量:1

Measuring radiation dose on the nurse's position during dual axis rotational coronary angiography by an anthropomorphic model
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摘要 目的对双轴旋转冠状动脉造影(DARCA)时,护理人员站立位置X线剂量进行评价。方法采用拟人模体进行DARCA,并采用射线剂量仪测量辐射剂量率,分别在护理人员站立位上和床面水平方向进行辐射剂量测定,每个测量点测量3次,取算数平均值。结果在护理人员站立位上,无防护措施时射线剂量率中位数为0.604μGy/s,变化范围为0.232~1.524μGy/s,并且随高度增加总体呈下降趋势。采取防护措施后剂量率减少69%~90%。无论是否采取防护措施,距离地面50~60cm处均为高剂量区。在水平方向上,射线剂量率中位数为0.060μGy/s,变化范围为0.014~1.483μGy/s,并且沿床面纵轴方向射线剂量率逐渐减少。结论在DARCA时导管室护理人员应该注重对诊疗床下方部位和胸部以上的辐射防护。防护措施主要包括屏蔽防护和距离防护。穿着防护衣站立于诊疗床尾部位置即可取得良好的辐射防护效果。
出处 《中华护理杂志》 CSCD 北大核心 2012年第3期263-264,共2页 Chinese Journal of Nursing
关键词 冠状血管造影术 旋转 辐射防护 护理 Coronary Angiography Rotation Radiation Protection Nursing Care
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参考文献8

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