CT肺动脉血管成像体质量相关个体化管电流-时间的设置

【目的】 探讨多层螺旋CT肺动脉血管成像(MDCTPA)根据体质量个体化调节管电流的可行性及体质量相关的最佳管电流-时间设置 【方法】 90例临床怀疑肺动脉栓塞(PE)的患者接受了MDCTPA检查,前瞻性随机分为6组,每组15例比较各组图像质量主观评分客观评价及有效吸收剂量【结果】 各组图像主观评价差异有统计学意义(P = 0.008）。各组患者的有效吸收剂量差异有统计学意义(P<0.01)C组图像与F组图像比较,图像客观评价与主观评分差异均没有统计学意义,而C组有效吸收剂量均值较F组降低47.8%【结论】 MDCTPA根据体质量个体化调节管电流-时间是可行且有效的,取“1.0 mA﹒s...

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Published inZhongshan da xue xue bao. Zhongshan daxue xuebao yixue kexue ban = Journal of Sun Yat-sen University. Yi xue ke xue ban Vol. 32
Format Journal Article
LanguageChinese
Published Editorial Office of Journal of Sun Yat-sen University 01.01.2011
Subjects
X线断层扫描仪
血管造影术
辐射剂量
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ISSN1672-3554

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Abstract 【目的】 探讨多层螺旋CT肺动脉血管成像(MDCTPA)根据体质量个体化调节管电流的可行性及体质量相关的最佳管电流-时间设置 【方法】 90例临床怀疑肺动脉栓塞(PE)的患者接受了MDCTPA检查,前瞻性随机分为6组,每组15例比较各组图像质量主观评分客观评价及有效吸收剂量【结果】 各组图像主观评价差异有统计学意义(P = 0.008）。各组患者的有效吸收剂量差异有统计学意义(P<0.01)C组图像与F组图像比较,图像客观评价与主观评分差异均没有统计学意义,而C组有效吸收剂量均值较F组降低47.8%【结论】 MDCTPA根据体质量个体化调节管电流-时间是可行且有效的,取“1.0 mA﹒s/kg”作为临床指引进行个体化管电流-时间调节,能很好地平衡图像质量与有效剂量的关系
AbstractList 【目的】 探讨多层螺旋CT肺动脉血管成像(MDCTPA)根据体质量个体化调节管电流的可行性及体质量相关的最佳管电流-时间设置 【方法】 90例临床怀疑肺动脉栓塞(PE)的患者接受了MDCTPA检查,前瞻性随机分为6组,每组15例比较各组图像质量主观评分客观评价及有效吸收剂量【结果】 各组图像主观评价差异有统计学意义(P = 0.008）。各组患者的有效吸收剂量差异有统计学意义(P<0.01)C组图像与F组图像比较,图像客观评价与主观评分差异均没有统计学意义,而C组有效吸收剂量均值较F组降低47.8%【结论】 MDCTPA根据体质量个体化调节管电流-时间是可行且有效的,取“1.0 mA﹒s/kg”作为临床指引进行个体化管电流-时间调节,能很好地平衡图像质量与有效剂量的关系
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Snippet 【目的】 探讨多层螺旋CT肺动脉血管成像(MDCTPA)根据体质量个体化调节管电流的可行性及体质量相关的最佳管电流-时间设置 【方法】 90例临床怀疑肺动脉栓塞(PE)的患者接受了MDCTPA检查,前瞻性随机分为6组,每组15例比较各组图像质量主观评分客观评价及有效吸收剂量【结果】...
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SubjectTerms X线断层扫描仪
血管造影术
辐射剂量
Title CT肺动脉血管成像体质量相关个体化管电流-时间的设置
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Volume 32
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