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Meta-Analysis
. 2013 Aug 28;19(32):5365-76.
doi: 10.3748/wjg.v19.i32.5365.

Systematic review and meta-analysis of laparoscopy-assisted and open total gastrectomy for gastric cancer

Ke Chen  1 , Xiao-Wu Xu, Ren-Chao Zhang, Yu Pan, Di Wu, Yi-Ping Mou
Affiliations
Meta-Analysis

Systematic review and meta-analysis of laparoscopy-assisted and open total gastrectomy for gastric cancer

Ke Chen et al. World J Gastroenterol. .

Abstract

Aim: To evaluate the safety and efficacy of laparoscopy-assisted total gastrectomy (LATG) and open total gastrectomy (OTG) for gastric cancer.

Methods: A comprehensive search of PubMed, Cochrane Library, Web of Science and BIOSIS Previews was performed to identify studies that compared LATG and OTG. The following factors were checked: operating time, blood loss, harvested lymph nodes, flatus time, hospital stay, mortality and morbidity. Data synthesis and statistical analysis were carried out using RevMan 5.1 software.

Results: Nine studies with 1221 participants were included (436 LATG and 785 OTG). Compared to OTG, LATG involved a longer operating time [weighted mean difference (WMD) = 57.68 min, 95%CI: 30.48-84.88; P < 0.001]; less blood loss [standard mean difference (SMD) = -1.71; 95%CI: -2.48 - -0.49; P < 0.001]; earlier time to flatus (WMD= -0.76 d; 95%CI: -1.22 - -0.30; P < 0.001); shorter hospital stay (WMD = -2.67 d; 95%CI: -3.96 - -1.38, P < 0.001); and a decrease in medical complications (RR = 0.41, 95%CI: 0.19-0.90, P = 0.03). The number of harvested lymph nodes, mortality, surgical complications, cancer recurrence rate and long-term survival rate of patients undergoing LATG were similar to those in patients undergoing OTG.

Conclusion: Despite a longer operation, LATG can be performed safely in experienced surgical centers with a shorter hospital stay and fewer complications than open surgery.

Keywords: Complications; Gastric cancer; Laparoscopy; Meta-analysis; Total gastrectomy.

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Figures

Figure 1
Figure 1
Flow chart of literature search strategies.
Figure 2
Figure 2
Meta-analysis. A: The pooled data: operating time; B: The pooled data: intraoperative blood loss; C The pooled data: number of retrieved lymph nodes; D: The pooled data: duration of hospital stay; E: The pooled data: mortality; F: The pooled data: overall postoperative complications; G: The pooled data: surgical complications; H: The pooled data: medical complications; I: The pooled data: recurrences.
Figure 3
Figure 3
Funnel plot of the overall postoperative complications.
See this image and copyright information in PMC

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