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新辅助化疗联合手术治疗ⅢA-N2期非小细胞肺癌临床疗效观察 被引量:11

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摘要 目的观察新辅助化疗联合手术治疗ⅢA-N2期非小细胞肺癌的临床疗效。方法ⅢA-N2期非小细胞肺癌患者77例,分为观察组40例、对照组37例。观察组接受2个疗程新辅助化疗后,进行化疗效果评估,分为完全缓解(CR)、部分缓解(PR)、疾病稳定(SD)、疾病进展(PD),计算客观缓解率(ORR);观察并记录观察组患者新辅助化疗的不良反应。若病情无明显进展或转移,行手术治疗。新辅助化疗前确定临床T分期、N分期,术后确定病理T分期、N分期,对比临床分期和病理分期变化情况,计算T降期率、N降期率。对照组直接手术治疗。比较两组手术时间、术中出血量、R0切除率(切除后显微镜下无残留)等手术指标和并发症情况,比较两组术后清扫淋巴结总数量、转移淋巴结数量、病人转移率、淋巴结转移率,采用免疫组化SP法测算两组术后病理标本中Ki-67阳性表达率,采用Kaplan-Meier法对两组患者进行生存分析。结果观察组新辅助化疗后,CR 3例,PR 18例,SD 17例,PD 2例,ORR为52.5%,T降期率为35%,N降期率为42.5%,8例出现Ⅲ级不良反应,经过治疗后基本恢复。观察组中38例患者接受手术治疗。观察组R0切除率高于对照组(P<0.05),两组手术时间、术中出血量等手术指标和术后并发症例数无显著差异(P均>0.05)。观察组转移淋巴结数量、淋巴结转移率、病人转移率均低于对照组(P均<0.05)。观察组术后病理标本中Ki-67阳性表达率低于对照组(P<0.05)。观察组术后1、2、3年的总生存率和中位OS均高于对照组(P均<0.05),观察组术后1、2、3年的无进展生存率和中位PFS均高于对照组(P均<0.05)。结论新辅助化疗联合手术治疗ⅢA-N2期非小细胞肺癌是安全有效的,有助于降低术前临床分期、抑制肿瘤增殖、提高R0切除率、减少淋巴结转移,进而改善患者预后。
出处 《山东医药》 CAS 2020年第21期61-64,共4页 Shandong Medical Journal
基金 张家口市市级科技计划自筹经费项目(1921056D)。
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