Am J Gastroenterol:早期胃癌内镜黏膜下剥离术治疗评分系统

2017-04-17 zhangfan MedSci原创

eCura系统可以有效的预测不符合根治性的内镜黏膜下剥离术标准的胃癌患者进行手术后的生存率,而且单一的内镜黏膜下剥离术治疗患者发生淋巴结转移的风险较低

长久以来由于淋巴结转移(LNM)的潜在风险,早期胃癌(EGC)患者不推荐进行根治性的内镜黏膜下剥离术(ESD),但研究人员通过近日建立一个简单的ESD决策评分系统发现,上述风险可能被夸大了。

这项多中心回顾性研究包括两个阶段,首先研究者采用多元Logistic回归分析了1101例根治性手术后疗效未达标的早期胃癌患者资料建立了LNM风险评分系统。之后 采用该系统对另外905名不符ESD标准但仍进行了ESD治疗且不接受任何其他辅助治疗的患者进行了生存率验证。

结果显示:在系统开发阶段,基于一致性回归分析,有5种LNM风险因素:淋巴侵犯3分,肿瘤超过30mm、正垂直边缘、静脉浸润及黏膜下浸润大于500μm各1分;患者依据淋巴结转移风险分为三组:低风险(0-1分,风险比2.5%)、中等风险(2-4分,风险比6.7%)、高风险(5-7分,风险比22.7%);在系统验证阶段,这三组生存率差异显着(5年生存率分别为,99.6%、96.0%、90.1%)。癌特异性死亡率系统C统计量为0.78。

研究表明:该系统可以有效的预测不符合根治性的内镜黏膜下剥离术标准的胃癌患者进行手术后的生存率,而且单一的内镜黏膜下剥离术治疗患者发生淋巴结转移的风险较低。

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    2017-08-19 许安
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    2017-04-19 docwu2019
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    2017-04-19 snowpeakxu
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