Efficacy and safety of laparoscopic versus open liver resection in treatment of colorectal cancer liver metastasis: A Meta-analysis
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摘要: 目的系统评价腹腔镜肝切除(LLR)与开腹肝切除(OLR)治疗结直肠癌肝转移(CRLM)的临床效果和安全性。方法计算机检索中文(知网、万方、维普)和英文数据库(PubMed、Cochrane library、Embase)关于LLR与OLR治疗CRLM的临床对照研究,检索时间为数据库建立至2019年6月。中文检索词包括:结直肠癌肝转移、腹腔镜肝切除术、开腹肝切除术;英文检索词包括:colorectal cancer,colorectal liver metastases,laparoscopic hepatectomy,laparoscopic liver resection,open hepatectomy,open liver resection。对纳入的研究进行质量评价和数据提取后,采用RevMan5. 3软件进行Meta分析。结果纳入23项研究,共计4204例患者,其中LLR组1558例,OLR组2646例。Meta分析结果显示,与OLR组比较,LLR组术中出血量减少[均数差(MD)=-145. 48,95%可信区间(95%CI):-190. 96~-100. 00,P <...Abstract: Objective To systematically evaluate the efficacy and safety of laparoscopic liver resection( LLR) versus open liver resection( OLR) in the treatment of colorectal cancer liver metastasis( CRLM). Methods Chinese databases( CNKI,Wanfang,and VIP) and English databases( PubMed,Cochrane Library,and Embase) were searched for controlled clinical trials on LLR versus OLR in the treatment of CRLM published up to June 2019. Chinese search words were colorectal cancer liver metastasis,laparoscopic liver resection,and open liver resection,and English search words were colorectal cancer,colorectal liver metastases,laparoscopic hepatectomy,laparoscopic liver resection,open hepatectomy,and open liver resection. Quality assessment and data extraction were performed for the studies included,and RevMan5. 3 software was used to perform the meta-analysis. Results A total of 23 studies were included,and there were 4204 patients in total,with 1558 patients in LLR group and 2646 in OLR group. The results of the meta-analysis showed that compared with the OLR group,the LLR group had significantly lower intraoperative blood loss( mean difference [MD]=-145. 48,95% confidence interval[CI]:-190. 96 to-100. 00,P < 0. 001),lower transfusion rate( odds ratio [OR]= 0. 41,95% CI: 0. 29-0. 60,P < 0. 001),lower incidence rate of postoperative complications( OR = 0. 55,95% CI: 0. 47-0. 65,P < 0. 001),and shorter length of postoperative hospital stay( MD =-2. 69,95% CI:-3. 29 to-2. 10,P < 0. 001). There were no significant differences between the two groups in time of operation,perioperative mortality rate,R0 resection rate,1-and 5-year overall survival rates,and disease-free survival rate( all P >0. 05). Conclusion LLR is safe and feasible in the treatment of CRLM and has better short-term efficacy than OLR,but more randomized controlled trials are needed for verification.
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Key words:
- colorectal neoplasms /
- neoplasm metastasis /
- laparoscopy /
- hepatectomy /
- Meta-analysis
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