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Impact of written information consent on the number of intravenous contrast--enhanced CT and MR studies.

机译:书面信息同意书对静脉造影剂增强CT和MR研究数量的影响。

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RATIONALE AND OBJECTIVES: The purpose of this study was to evaluate the impact of written informed consent on the number of intravenous contrast-enhanced CT and MR imaging studies. MATERIALS AND METHODS: On December 2002, the Conference of Physicians and Medical Directors in our institution decided that all referring physicians must obtain written informed consent in each case before intravenous injection of contrast material for CT and MR imaging studies. The numbers and proportions of contrast-enhanced CT and MR imaging studies before introduction of the written informed consent requirement (January 2002-December 2002) were compared with those after (January 2003-December 2003). RESULTS: The number of contrast-enhanced CT studies decreased from 5930 (50.6% of all CT studies) to 5539 (49.0% of all CT studies) (odd ratio [OR]: 0.94, 95% confidence interval [CI]: 0.89-0.99). The number of contrast-enhanced MR studies also decreased from 1895 (46.5% of all MR studies) to 1712 (43.4% of all MR studies) (OR: 0.88, 95% CI: 0.81-0.96). CONCLUSION: Findings suggest that the written informed consent requirement reduces the number of intravenous contrast-enhanced CT and MR imaging studies.
机译:理由和目的:这项研究的目的是评估知情同意书对静脉造影剂增强CT和MR影像学研究数量的影响。材料与方法:2002年12月,我们机构的内科医生与医学主任会议决定,在每种情况下,所有静脉内注射医师必须在静脉内注射用于CT和MR成像研究的造影剂之前,均应获得书面知情同意。将引入书面知情同意书之前(2002年1月至2002年12月)与之后(2003年1月至2003年12月)对比的增强CT和MR成像研究的数量和比例。结果:CT增强对比研究的数量从5930(占所有CT研究的50.6%)减少到5539(占所有CT研究的49.0%)(赔率[OR]:0.94,95%置信区间[CI]:0.89- 0.99)。增强对比的MR研究的数量也从1895年(占所有MR研究的46.5%)减少到1712年(占所有MR研究的43.4%)(或:0.88,95%CI:0.81-0.96)。结论:研究结果表明,书面知情同意书的要求减少了静脉造影剂增强CT和MR影像学检查的数量。

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