In the past two decades, extensive studies have focused on a group of so-called polarity proteins that play conserved and essential functions in establishing and maintaining cell polarity in epithelial cells. Among th...In the past two decades, extensive studies have focused on a group of so-called polarity proteins that play conserved and essential functions in establishing and maintaining cell polarity in epithelial cells. Among them, Crumbs （Crb） is the only trans- membrane polarity protein characterized to date （Tepass et al.,展开更多
目的比较在肝癌高危人群中采用钆塞酸二钠增强MRI(EMRI)与超声行肝癌筛查的成本效益比。方法应用Tree Age Pro 2011软件建立决策树模型,采用数学模型模拟肝硬化患者每6个月行EMRI或超声筛查的成本与收益,计算不同筛查模式下的成本效益...目的比较在肝癌高危人群中采用钆塞酸二钠增强MRI(EMRI)与超声行肝癌筛查的成本效益比。方法应用Tree Age Pro 2011软件建立决策树模型,采用数学模型模拟肝硬化患者每6个月行EMRI或超声筛查的成本与收益,计算不同筛查模式下的成本效益比。结果 EMRI组和超声组平均每人每次用于肝癌筛查的成本分别为2050.2元和262.6元,获得效益分别为0.11生命年(YLG)和0.02 YLG。当肝癌发病率为17.8%时,EMRI组与超声组的成本效益比大致相同,每1个YLG的成本大致均为11445元,肝癌发病率越高,EMRI检查成本越低,筛查效果越好。EMRI价格越低,其成本效益比逐渐下降,筛查效果越明显。结论肝癌筛查的成本效益与肝癌发病率及检查价格密切相关。当肝癌风险高于17.8%时,采用EMRI筛查可获得较好的成本效益比。展开更多
基金supported by the grants from the National Institutes of Health of USA(NCRR R21RR024869, NIGMS RO1GM086423 and RO1GM121534 to Y.H.)the Start-up Foundation from Nanjing Medical University (2012RC04 to J.H.)University of Pittsburgh Medical School Center for Biologic Imaging was supported by the grant 1S100D019973-01 from NIH, USA
文摘In the past two decades, extensive studies have focused on a group of so-called polarity proteins that play conserved and essential functions in establishing and maintaining cell polarity in epithelial cells. Among them, Crumbs （Crb） is the only trans- membrane polarity protein characterized to date （Tepass et al.,
文摘目的比较在肝癌高危人群中采用钆塞酸二钠增强MRI(EMRI)与超声行肝癌筛查的成本效益比。方法应用Tree Age Pro 2011软件建立决策树模型,采用数学模型模拟肝硬化患者每6个月行EMRI或超声筛查的成本与收益,计算不同筛查模式下的成本效益比。结果 EMRI组和超声组平均每人每次用于肝癌筛查的成本分别为2050.2元和262.6元,获得效益分别为0.11生命年(YLG)和0.02 YLG。当肝癌发病率为17.8%时,EMRI组与超声组的成本效益比大致相同,每1个YLG的成本大致均为11445元,肝癌发病率越高,EMRI检查成本越低,筛查效果越好。EMRI价格越低,其成本效益比逐渐下降,筛查效果越明显。结论肝癌筛查的成本效益与肝癌发病率及检查价格密切相关。当肝癌风险高于17.8%时,采用EMRI筛查可获得较好的成本效益比。
