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Year : 2019  |  Volume : 15  |  Issue : 1  |  Page : 37-41

Laparoscopic versus conventional open surgery in T4 rectal cancer: A case–control study

1 Department of Gastrointestinal Surgery, West China Hospital; West China School of Medicine, Sichuan University, Chengdu, China
2 Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, China

Correspondence Address:
Prof. Ziqiang Wang
Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Guo Xue Xiang No. 37, Chengdu 610041
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmas.JMAS_67_18

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Background: Laparoscopic surgery (LAS) for T4 rectal cancer (RC) is still controversial. This study aims to compare LAS with conventional open surgery in patients with T4 RC. Patients and Methods: Patients undergoing laparoscopic or open curative resection for T4 RC from January 2010 to September 2014 in our hospital were enrolled. Patients' clinicopathological characteristics and survival outcomes were collected and compared. All statistical analysis was performed using SPSS 22.0. Results: A total of 125 patients (39 open, 86 LAS) were included in this study finally. The baseline information between the two groups were comparable except that LAS group had a more anterior resection (P = 0.012) and less combined resection (P = 0.003). The results demonstrated that patients in LAS group had less blood loss (P < 0.001), smaller incision length (P < 0.001), faster time to first soft diet (P = 0.010) and less incidence of post-operative complications, although it was not significantly different (P = 0.063). In addition, the operative time was also comparable (P = 0.140) and the conversion rate was low (2/86). The 3-year overall survival (OS) was 71.8%, 79.1% in open, LAS group respectively and the 3-year disease-free survival (DFS) was 66.7%, 68.6% in open, laparoscopic group, respectively. The Kaplan curves demonstrated that there was no significant difference between the two groups in OS (P = 0.981) or DFS (P = 0.900). Conclusions: LAS is safe and feasible in selected patients with T4 RC. It can achieve a better perioperative outcomes, and the long-time survival is not inferior to open surgery. Prospective studies should be conducted in the future to reduce the selection bias.


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