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12.02.2019 | Scientific Review

Revisiting Laparoscopic Reconstruction for Billroth 1 Versus Billroth 2 Versus Roux-en-Y After Distal Gastrectomy: A Systematic Review and Meta-Analysis in the Modern Era

Zeitschrift:
World Journal of Surgery
Autoren:
Min Seo Kim, Yeongkeun Kwon, Eun Pyung Park, Liang An, Haeyeon Park, Sungsoo Park
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s00268-019-04943-x) contains supplementary material, which is available to authorized users.
Min Seo Kim and Yeongkeun Kwon have contributed equally to this work.

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Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Abstract

Background

In this modern era, laparoscopic distal gastrectomy (LDG) has largely replaced open distal gastrectomy for the treatment of gastric cancer; however, a quantitative review of reconstruction methods applied exclusively using LDG has not yet been published. Thereafter, we compared three reconstruction methods (Billroth I, Billroth II, and Roux-en Y) using the data derived solely from LDG patients.

Methods

A systematic search was conducted using electronic bibliographic databases (Google Scholar, PubMed, and Embase), for articles that compared reconstruction methods in LDG, published within the last decade. A systematic review comparing 12 outcome parameters and sensitivity analyses were performed to increase the statistical power and minimize the inconsistency and heterogeneity of results.

Results

Twenty-three clinical trials involving 5797 patients were included in the meta-analysis. There were no significant differences in the postoperative recovery and intraoperative parameters, except for operation time. B1 demonstrated a significantly shorter operation time when compared with B2 and RY by 21.6 min (P < 0.0001) and 44.69 min (P < 0.0001), respectively. In terms of postoperative endoscopic symptoms, RY was significantly superior to B1 and B2 for bile reflux (P < 0.001) and remnant gastritis (P < 0.001). For postoperative complications, B1 showed a significantly lower rate of postoperative morbidity than did RY and B2 (P = 0.0006 and P = 0.0005, respectively).

Conclusions

Our study is the first meta-analysis comparing anastomoses in LDG and introduces novel criteria for consideration when selecting reconstructions in LDG. Considering the significant differences in postoperative complications and endoscopic symptoms, these two parameters lay reasonable groundwork for guiding the surgeon’s choice of reconstruction.

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Zusatzmaterial
Supplementary material 1 (DOCX 30 kb)
268_2019_4943_MOESM1_ESM.docx
Supplementary Fig. 1 Forest plot comparing operation time for laparoscopic distal gastrectomy. a. Billroth I versus Roux-en Y, b. Billroth II versus Roux-en Y, and c Billroth I versus Billroth II. An inverse variance random-effects model (a, b) and fixed-effect model(c) were used for meta-analysis. (TIFF 10702 kb)
268_2019_4943_MOESM2_ESM.tif
Supplementary Fig. 2 Forest plot comparing remnant gastritis after laparoscopic distal gastrectomy. a. Billroth I versus Roux-en Y, b. Billroth II versus Roux-en Y, and c. Billroth I versus Billroth II. A Mantel–Haenszel random-effects model was used for meta-analysis. (TIFF 8311 kb)
268_2019_4943_MOESM3_ESM.tif
Supplementary Fig. 3 Forest plot comparing bile reflux after laparoscopic distal gastrectomy. a. Billroth I versus Roux-en Y, b. Billroth II versus Roux-en Y, and c. Billroth I versus Billroth II. A Mantel–Haenszel random-effects model (b) and fixed-effect model (a, c) were used for meta-analysis. (TIFF 8063 kb)
268_2019_4943_MOESM4_ESM.tif
Supplementary Fig. 4 Forest plot comparing reflux esophagitis after laparoscopic distal gastrectomy. a. Billroth I versus Roux-en Y and b. Billroth II versus Roux-en Y. A Mantel–Haenszel fixed-effect model (a) and random-effects model (b) were used for meta-analysis. (TIFF 4819 kb)
268_2019_4943_MOESM5_ESM.tif
Supplementary Fig. 5 Funnel plot for publication bias evaluation(B1 versus RY overall complications). (TIFF 1739 kb)
268_2019_4943_MOESM6_ESM.tif
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