温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,汇文网负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。
网站客服:3074922707
CT
引导
射频
消融
肺癌
近期
疗效
远期
预后
影响
孔瑱
癌症进展2022 年 12 月第 20 卷第 24 期ONCOLOGY PROGRESS,Dec 2022 V ol.20,No.24*论著*CTCT引导下射频消融术对肺癌患者近期疗效及远期预后的影响引导下射频消融术对肺癌患者近期疗效及远期预后的影响孔瑱,郑卉,史晓琼#同济大学附属上海市肺科医院胸外科,上海 2004330摘要摘要:目的目的探讨CT引导下射频消融术对肺癌患者近期疗效及远期预后的影响。方法方法依据治疗方法的不同将120例晚期肺腺癌患者分为观察组和对照组,每组60例,对照组患者给予化疗,观察组患者给予化疗联合CT引导下射频消融术治疗。比较两组患者的临床疗效、CT灌注成像参数血容量、血流量、表面通透性(PS)和平均通过时间(MTT)、T淋巴细胞亚群(CD3+、CD4+、CD8+,计算CD4+/CD8+)水平、并发症发生情况和随访1年预后情况。结果结果观察组患者的疾病控制率高于对照组患者,差异有统计学意义(P0.05)。治疗后,两组患者血容量、血流量、PS均低于本组治疗前,MTT均长于本组治疗前,且观察组患者血容量、血流量、PS均低于对照组,MTT长于对照组,差异均有统计学意义(P0.05)。治疗后,两组患者CD3+、CD4+、CD8+水平和CD4+/CD8+均低于本组治疗前,但观察组患者CD3+、CD4+、CD8+水平和CD4+/CD8+均高于对照组,差异均有统计学意义(P0.05)。观察组患者的并发症总发生率为35.00%(21/60),与对照组患者的28.33%(17/60)比较,差异无统计学意义(P0.05)。观察组患者总生存期(OS)、无进展生存期(PFS)均长于对照组,1年总生存率高于对照组,差异均有统计学意义(P0.05)。结论结论CT引导下射频消融术治疗晚期肺癌能够有效降低肺癌组织血供,改善患者免疫功能,提高临床疗效和远期预后,安全性较好。关键词关键词:CT引导下射频消融术;肺癌;预后;生存期中图分类号中图分类号:R R734734.2 2文献标志码文献标志码:AdoiAdoi:10.11877/j.issn.1672-1535.2022.20.24.16Effect of CT guided radiofrequency ablation on short-term efficacy and long-termEffect of CT guided radiofrequency ablation on short-term efficacy and long-termprognosis of lung cancer patientsprognosis of lung cancer patientsKONG Zhen,ZHENG Hui,SHI Xiaoqiong#Department of Thoracic Surgery,Shanghai Pulmonary Hospital Tongji University,Shanghai 200433,ChinaAbstract:ObjectiveAbstract:ObjectiveTo investigate the effect of CT guided radiofrequency ablation on the short-term efficacy andlong-term prognosis of lung cancer patients.MethodMethodAccording to different treatment methods,120 patients with ad-vanced lung adenocarcinoma were divided into observation group and control group,with 60 patients in each group.Pa-tients in the control group were given chemotherapy,and patients in the observation group were given chemotherapy com-bined with radiofrequency ablation under CT guidance.The clinical efficacy,CT perfusion imaging parameters bloodvolume,blood flow,permeability surface(PS)and mean transit time(MTT),T lymphocyte subsets(CD3+,CD4+,CD8+,calculated CD4+/CD8+),complications and 1-year follow-up prognosis were compared between the two groups.ResultResultThe disease control rate in the observation group was higher than that in the control group,the difference was statisticallysignificant(P0.05).After treatment,the blood volume,blood flow and PS in the two groups were lower than those be-fore treatment,and MTT was longer than those before treatment,the blood volume,blood flow and PS in the observationgroup were lower than those in the control group,and MTT was longer than that in the control group,the differences werestatistically significant(P0.05).After treatment,the levels of CD3+,CD4+,CD8+and CD4+/CD8+in the two groups werelower than those before treatment,but the levels of CD3+,CD4+,CD8+and CD4+/CD8+in the observation group werehigher than those in the control group,the differences were statistically significant(P0.05).The overall survival(OS)and progres-sion-free survival(PFS)in the observation group were longer than those in the control group,and the 1-year overall sur-vival rate was higher than that in the control group,the differences were statistically significant(P0.05).ConclusionConclusionCT guided radiofrequency ablation in the treatment of advanced lung cancer can effectively reduce the blood supply oflung cancer tissue,improve the immune function of patients,improve clinical efficacy and long-term prognosis,withgood safety.Key words:Key words:CT guided radiofrequency ablation;lung cancer;prognosis;survivalOncol Prog,2022,20(24)肺癌是临床常见的恶性肿瘤,其发病率和病死率均较高,由于早期肺癌多无明显症状,多数患者#通信作者(corresponding author),邮箱:2541癌症进展2022年12月第20卷第24期就诊时已处于中晚期,肿瘤细胞已发生远处转移和局部侵袭,失去了手术治疗的最佳时期,化疗成为主要的治疗方法1-3。因此,为降低晚期肺癌患者的耐药性和药物不良反应,临床常采用化疗联合微创技术、放疗等辅助治疗4-5。CT引导下射频消融术作为一种新型微创技术,可在肿瘤组织中积聚热量,使肿瘤区域温度升高进而杀死肿瘤细胞,抑制肿瘤的发生发展6-7。CT引导下射频消融术作为一种局部非手术治疗手段,对难以耐受手术或发生远处转移患者的应用效果较好,在恶性肿瘤治疗中的临床疗效和安全性已获得肯定8-9。但目前关于CT引导下射频消融术对肺癌患者预后影响的研究较少,基于此,本研究探讨CT引导下射频消融术对肺癌患者近期疗效及远期预后的影响,现报道如下。1 1资料与方法资料与方法1 1.1 1 一般资料一般资料选取2018年12月至2020年12月同济大学附属上海市肺科医院收治的晚期肺腺癌患者。纳入标准:经 CT 和病理活检确诊为肺癌;临床分期为期;单侧病灶数不超过3个,病灶最大直径不超过 8 cm。排除标准:合并严重的肝肾功能损伤;合并肺结核、肺炎等可能影响肺灌注检查水平的疾病;既往接受过放化疗;合并精神疾病。依据纳入和排除标准,本研究共纳入120例晚期肺腺癌患者,依据治疗方法的不同分为观察组和对照组,每组60例,对照组患者给予化疗,观察组患者给予化疗联合 CT 引导下射频消融术治疗。观察组中,男32例,女28例;年龄6572岁,平均(67.841.53)岁;TNM 分期:期 33 例,期27例。对照组中,男34例,女26例;年龄6573岁,平均(68.011.66)岁;TNM 分期:期 30 例,期30例。两组患者性别、年龄、TNM分期比较,差异均无统计学意义(P0.05),具有可比性。本研究经医院伦理委员会批准通过,所有患者均知情同意并签署知情同意书。1 1.2 2 治疗方法治疗方法对照组患者给予化疗,治疗前1周适当补充叶酸和维生素,化疗前1天口服地塞米松,化疗方案:培美曲塞二钠500 mg/m2静脉注射,顺铂75 mg/m2静脉滴注。3周为1个疗程,连续治疗4个疗程。观察组患者给予化疗联合CT引导下射频消融术治疗,化疗前及化疗方案均与对照组相同。CT引导下射频消融术前 4 h 禁食、禁水,根据患者病变位置选择俯卧位或仰卧位,局部麻醉后应用CT扫描显示病变部位与周围组织的关系。根据肿瘤直径选择射频消融方法,若肿瘤直径3 cm则进行单针射频消融,若肿瘤直径3 cm 则进行多靶点消融。先进行小范围 CT 扫描,确定穿刺点、针尖位置、角度和深度,再应用 CT 扫描对穿刺部位进针情况进行观察和调整,确保针尖到达靶区后,调至阻抗模式,将电压设置为45 V,探针温度90,治疗 12 min,若肿瘤直径4 cm 则每次治疗半径2 cm 左右的半球瘤体,治疗 2 次;若肿瘤直径4 cm则根据肿瘤结构进行多位点多次消融,使整个病灶完全消融。治疗结束后拔出穿刺针,并进行常规包扎,CT检查无异常后静卧休息2 h。1 1.3 3 观察指标及评价标准观察指标及评价标准治疗后3个月比较两组患者的近期疗效:完全缓解,肿瘤病灶完全消融,瘤内无血供,增强CT值5 HU;部分缓解,肿瘤体积变小,瘤内有少量血供,增强CT值为515 HU;疾病稳定,肿瘤体积无变化,瘤内血供较多,增强CT值15 HU且30 HU;疾病进展,肿瘤体积变大,瘤内