山东大学学报 (医学版) ›› 2022, Vol. 60 ›› Issue (8): 44-49.doi: 10.6040/j.issn.1671-7554.0.2021.1380
高中霞1,张铭1,樊明德1,谭晨阳1,王梦迪1,王超1,樊跃飞1,丁守銮2,王成伟1
GAO Zhongxia1, ZHANG Ming1, FAN Mingde1, TAN Chenyang1, WANG Mengdi1, WANG Chao1, FAN Yuefei1, DING Shouluan2, WANG Chengwei1
摘要: 目的 评估伽玛刀治疗肺癌脑转移瘤患者的疗效,分析影响生存预后的相关因素。 方法 选取2016年5月至2020年6月在我院神经外科接受伽玛刀治疗的81例肺癌脑转移瘤患者进行回顾性研究,随访后建立临床资料数据库。总生存期定义为从患者接受伽玛刀治疗到死亡或末次随访日期或第一次失访日期的时间间隔。使用 Kaplan-Meier法计算患者中位生存期、6个月、1年、2年的生存率,并绘制生存曲线。通过log-rank检验行单因素生存分析,检验各因素组间生存率的差异。采用Cox回归模型行多因素分析影响生存预后的不同因素。 结果 所有患者均获得随访,截至末次随访日期,81例患者中36例死亡(44.44%),伽玛刀治疗后的中位总生存期为23个月(95%CI=14~26)。6个月、1年、2年的总生存率分别为82.84%、63.53%、43.35%。结合单因素和多因素分析结果,转移灶总体积(HR=1.158,95%CI=1.079~1.242, P<0.001)、年龄(HR=2.666,95%CI=1.257~5.657,P=0.010 6)及边缘剂量(HR=0.392,95%CI=0.167-0.922,P=0.031 8)是影响生存的预后因素。结论 本项研究中接受伽玛刀治疗的肺癌脑转移瘤患者,生存率得到了提高、生存期得到了延长,收获了良好的疗效。转移灶总体积≥16 cm3、年龄≥70岁及给与边缘剂量<17Gy是预后不利因素,且差异有统计学意义(P<0.05)。
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