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术后辅助放疗对胰腺癌患者的生存预后分析

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摘要 目的基于胰腺癌的不同原发位置对术后辅助放疗(PORT)的预后收益做进一步的细化分析。方法从SEER数据库中收集2010~2019年确诊为胰腺恶性肿瘤的患者资料,筛选出符合条件的胰腺导管腺癌(PDAC)患者共7614例。通过Kaplan-Meier法及COX比例风险模型,筛选影响PDAC术后患者生存预后的独立影响因素。将整体数据依据原发位置不同做分组分析。利用1∶1倾向评分匹配减少混杂因素干扰后,进一步分析PORT对不同原发位置胰腺癌患者生存预后的影响及进行相关亚组分析。结果本研究发现,年龄、婚姻状况、美国癌症联合委员会(AJCC)第8版TNM分期、肿瘤分化水平是影响胰腺癌术后患者生存预后的独立因素。经倾向评分匹配后,结果显示PORT可改善胰头癌组患者的总体生存时间及肿瘤特异生存时间。但在胰体尾癌组,接受PORT后患者总体生存时间与肿瘤特异生存时间比较,差异无统计学意义(P>0.05)。在胰头癌亚组分析中,接受PORT后60~69岁、70~79岁年龄组、肿瘤中分化、低分化及未分化水平亚组、T2分期、N1及N2分期亚组患者的生存时间比较,差异有统计学意义(P<0.05)。结论PORT对不同原发位置PDAC术后患者的生存收益不同,能有效延长胰头癌术后患者的生存时间,但不能改善胰体尾癌术后患者的生存预后。60~69岁、70~79岁年龄组、肿瘤中分化、低分化及未分化水平亚组、T2分期、N1及N2分期亚组的胰头癌患者可以从PORT中获得生存收益。
出处 《医师在线》 2023年第7期14-25,共12页 Journal of Doctors Online
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