| 1 | Systematic review of laparoscopic vs open surgery for colorectal cancer in elderly patients显示文摘AIM: To verify the safety and validity of laparoscopic surgery for the treatment of colorectal cancer in elderly patients.METHODS: A meta-analysis was performed of a systematic search of studies on an electronic database. Studies that compared laparoscopic colectomy(LAC) in elderly colorectal cancer patients with open colectomy(OC) were retrieved, and their short and long-term outcomes compared. Elderly people were defined as 65 years old or more. Inclusion criteria were set at: Resection of colorectal cancer, comparison between laparoscopic and OC and no significant difference in backgrounds between groups.RESULTS: Fifteen studies were identified for analysis. LAC was performed on 1436 patients, and OC performed on 1810 patients. In analyses of short-term outcomes, operation time for LAC was longer than for OC(mean difference = 34.4162, 95%CI: 17.8473-50.9851, P < 0.0001). The following clinical parameters were lower in LAC than in OC: Amount of estimated blood loss(mean difference =-93.3738, 95%CI:-132.3437 to-54.4039, P < 0.0001), overall morbidity(OR = 0.5427, 95%CI: 0.4425-0.6655, P < 0.0001), incisional surgical site infection(OR = 0.6262, 95%CI: 0.4310-0.9097, P = 0.0140), bowel obstruction and ileus(OR = 0.6248, 95%CI: 0.4519-0.8638, P = 0.0044) and cardiovascular complications(OR = 0.4767, 95%CI: 0.2805-0.8101, P = 0.0062). In analyses of long-term outcomes(median follow-up period: 36.4 mo in LAC, 34.3 mo in OC), there was no significant difference in overall survival(mean difference = 0.8321, 95%CI: 0.5331-1.2990, P = 0.4187) and disease specific survival(mean difference = 1.0254, 95%CI: 0.6707-1.5675, P = 0.9209). There was also no significant difference in the number of dissected lymph nodes(mean difference =-0.1360, 95%CI:-4.0553-3.7833, P = 0.9458).CONCLUSION: LAC in elderly colorectal cancer patients had benefits in short-term outcomes compared with OC except operation time. The long-term outcomes and oncological clearance of LAC were similar to that of OC. These results support the assertion that LAC is an effective procedure for elderly patients with colorectal cancer. | Shoichi Fujii Mitsuo Tsukamoto Yoshihisa Fukushima Ryu Shimada Koichi Okamoto Takeshi Tsuchiya Keijiro Nozawa Keiji Matsuda Yojiro Hashiguchi | 2016 | World Journal of Gastrointestinal Oncology2016，8，7： | 10 |
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