AP&T:一年两次超声检查较CT对早期肝细胞癌敏感性略高

2013-08-06 王姗 编译 cmt

指南推荐使用超声检查进行肝细胞肝癌(HCC)的筛查。超声检查诊断结果差异很大。计算机断层扫描(CT)诊断则较少依赖操作者。来自美国的C. Pocha、E. Dieperink、K. A. McMaken等人近日发表论文,该研究在退伍军人的HCC筛查中,比较一年两次的超声检查与一年一次的三期增强CT的效果与成本。并假设CT可在较低成本下发现较小的HCC。研究显

指南推荐使用超声检查进行肝细胞肝癌(HCC)的筛查。超声检查诊断结果差异很大。计算机断层扫描(CT)诊断则较少依赖操作者。来自美国的C. Pocha、E. Dieperink、K. A. McMaken等人近日发表论文,该研究在退伍军人的HCC筛查中,比较一年两次的超声检查与一年一次的三期增强CT的效果与成本。并假设CT可在较低成本下发现较小的HCC。研究显示,一年两次的超声检查相比于一年一次的CT检查,在早期HCC发现方面,敏感性略高,成本较低。尽管可早期发现,HCC相关死亡率仍较高。这些数据支持在美国患者人群中使用一年两次的超声检查进行HCC筛查。该文在线发表于2013年第3期38卷《营养药理学与治疗学》(Alimentary Pharmacology & Therapeutics)杂志上。

163名代偿期肝硬化患者被随机分配进行一年两次的超声检查或一年一次的CT检查。所有患者均进行一年两次的甲胎蛋白检测。使用卡方检验的列联表分析用于判定筛查设备的敏感性与特异性,使用Kaplan-Meier方法的生存分析用于确定累积癌变率。多变量logistic回归分析模型用于检验预测因子。

结果:肝细胞肝癌发病率为每年6.6%。9例HCC由超声检查发现,8例由CT发现。敏感性及特异性分别是:超声检查为71.4%和97.5%,CT检查为66.7%和94.4%。虽然58.8%的患者在筛查中发现的HCC为早期(巴塞罗那临床肝癌分期A),在所有治疗选择均可行的情况下,仅23.5%的患者接受了可能的根治治疗。在筛查发现肿瘤的患者中,HCC相关死亡率与整体死亡率分别为70.5%和82.3%。一年两次的超声检查总成本低于一年一次的CT检查。

原始出处:

Pocha C, Dieperink E, McMaken KA, Knott A, Thuras P, Ho SB.Surveillance for hepatocellular cancer with ultrasonography vs. computed tomography - a randomised study. Aliment Pharmacol Ther. 2013 Aug;38(3):303-12.

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    2014-02-02 xjy02
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