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射频消融与手术治疗结直肠癌肝转移疗效的Meta分析

2019-03-18刘向东苏松罗德陈鑫培周鹏程李波

中国医药导报 2019年2期
关键词:Meta分析

刘向东 苏松 罗德 陈鑫培 周鹏程 李波

[摘要] 目的 比较射频消融(RFA)与肝脏切除术(HR)在结直肠癌肝转移(CRLM)患者治疗中的作用。 方法 系统检索Cochrane library、PubMed、荷兰医学文摘(EMbase)、中国知网、万方数据库、维普数据库从建库至2018年5月关于比较RFA和HR治疗CRLM患者的临床对照研究,并对所有的纳入研究进行质量评价,采用Cochrane library提供的软件RevMan 5.3进行分析。 结果 最后纳入文献26篇,共包括3738例患者,其中RFA组1447例,HR组2291例。Meta分析结果显示:RFA组5年总生存率、5年无病生存率明显低于HR组(OR = 2.42,95%CI:1.64~3.57,P < 0.000 01;OR = 2.33,95%CI:1.37~3.98,P = 0.002);RFA组局部复发率、肝内复发率明显高于HR组(OR = 9.29,95%CI:6.88~12.54,P < 0.000 01;OR = 2.03,95%CI:1.45~2.83,P < 0.0001);RFA组术后总并发症发生率低于HR组(OR = 0.47,95%CI:0.29~0.76,P = 0.002)。 结论 RFA并发症发生率明显低于HR,但生存率较低,复发率较高。HR仍是CRLM首选的治疗方式。

[关键词] 结直肠癌肝转移;射频消融;肝脏切除术;Meta分析

[中图分类号] R657.3          [文献标识码] A          [文章编号] 1673-7210(2019)01(b)-0089-06

[Abstract] Objective To compare the therapeutic efficacy between radiofrequency ablation (RFA) and hepatic resection(HR) for colorectal liver metastases (CRLM). Methods Systematic literature search of clinical trials was carried out to compare RFA and HR for colorectal liver metastasis in Cochrane library, PubMed, Embase, CNKI, Wanfang and VIP from database inception to May 2018. The quality of the included studies was assessed and the data analysis was performed by software RevMan 5.3 from Cochrane library. Results Finally 26 trials including 3738 cases were included, with 1447 cases in RFA group and 2291 cases in HR group. The results of Meta-analysis showed: 5-year overall survival and 5-year disease-free survival were significantly lower in RFA group than HR group (OR = 2.42, 95%CI: 1.64-3.57, P < 0.000 01; OR = 2.33, 95%CI: 1.37-3.98, P = 0.002). Local recurrence and intrahepatic recurrence rates were significantly higher in RFA group than HR group (OR = 9.29, 95%CI: 6.88-12.54, P < 0.000 01; OR = 2.03, 95%CI: 1.45-2.83, P < 0.0001). RFA had significantly lower postoperative complication rate than HR group (OR = 0.47, 95%CI: 0.29-0.76, P = 0.002). Conclusion The complication rate in patients treated by RFA is significantly lower than HR, but survival rate is lower and recurrence rate is higher by RFA than HR. HR is still the preferred treatment for CRLM.

[Key words] Colorectal liver metastasis; Radiofrequency ablation; Hepatic resection; Meta-analysis

結肠直肠癌是胃肠道中常见的恶性肿瘤,目前,其发病率和死亡率居于恶性肿瘤的第3位和第4位[1]。15%~25%的结直肠癌患者在确诊时即合并有肝转移,另有15%~25%的患者在行结直肠癌根治术后发生肝转移[2]。肝脏切除术(HR)是目前治疗结直肠癌肝转移(CRLM)的主要方法,接受根治性手术切除的患者,5年生存率约为50%[3]。然而,绝大多数患者由于转移灶数量过多、残余肝脏体积不足、病灶临近重要结构等不能接受根治性手术切除治疗[4]。随着微创消融技术的逐步发展,射频消融(RFA)越来越多地被应用于CRLM患者的治疗。已有研究报道RFA相对于HR治疗肝脏肿瘤可以降低并发症发生率,缩短住院时间[5]。但RFA存在缺乏治疗后的组织病理学评估和精准度较低、复发率较高等问题。目前,国内外对于CRLM患者治疗方式的选择尚存在争议,本研究旨在对已发表的关于RFA和HR治疗CRLM患者的文章进行荟萃分析,为临床治疗方式的选择提供依据。……

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