P-P01 Impact of gastric resection and enteric anastomotic configuration on delayed gastric emptying after pancreaticoduodenectomy: a network meta-analysis

Background Delayed gastric emptying (DGE) is frequent after pancreaticoduodenectomy (PD). Several randomised controlled trials (RCTs) have explored operative strategies to minimise DGE, however, the optimal combination of gastric resection approach, anastomotic route, and configuration, role of Braun enteroenterostomy remains unclear. Methods MEDLINE, Embase, and CENTRAL databases were systematically searched for RCTs comparing gastric resection (Classic Whipple, pylorus-resecting, and pylorus-preserving), anastomotic route (antecolic vs retrocolic) and configuration (Billroth II vs Roux-en-Y), and enteroenterostomy (Braun vs no Braun). A random-effects, Bayesian network meta-analysis with non-informative priors was conducted to determine the optimal combination of approaches to PD for minimising DGE. Results Twenty-four RCTs, including 2526 patients and 14 approaches were included. There was some heterogeneity, although inconsistency was low. The overall incidence of DGE was 25.6% (n = 647). Pylorus-resecting, antecolic, Billroth II with Braun enteroenterostomy was associated with the lowest rates of DGE and ranked the best in 35% of comparisons. Classic Whipple, retrocolic, Billroth II with Braun ranked the worst for DGE in 32% of comparisons. Pairwise meta-analysis of retrocolic vs antecolic route of gastro-jejunostomy found increased risk of DGE with the retrocolic route (OR 2.1, 95% CrI; 0.92 - 4.7). Pairwise meta-analysis of Braun enteroenterostomy found a trend towards lower DGE rates with Braun compared to no Braun (OR 1.9, 95% CrI; 0.92 - 3.9). Having a Braun enteroenterostomy ranked the best in 96% of comparisons. Conclusions Based on existing RCT evidence, a pylorus-resecting, antecolic, Billroth II with Braun enteroenterostomy may be associated with the lowest rates of DGE.

Impact of gastric resection and enteric anastomotic configuration on delayed gastric emptying after pancreaticoduodenectomy: a network meta-analysis of randomized trials

IntroductionDelayed gastric emptying (DGE) is frequent after pancreaticoduodenectomy (PD). Several randomised controlled trials (RCTs) have explored operative strategies to minimise DGE, however, the optimal combination of gastric resection approach, anastomotic route, and configuration, role of Braun enteroenterostomy remains unclear.MethodsMEDLINE, Embase, and CENTRAL databases were systematically searched for RCTs comparing gastric resection (Classic Whipple, pylorus-resecting, and pylorus-preserving), anastomotic route (antecolic vs retrocolic) and configuration (Billroth II vs Roux-en-Y), and enteroenterostomy (Braun vs no Braun). A random-effects, Bayesian network meta-analysis with non-informative priors was conducted to determine the optimal combination of approaches to PD for minimising DGE.ResultsTwenty-four RCTs, including 2526 patients and 14 approaches were included. There was some heterogeneity, although inconsistency was low. The overall incidence of DGE was 25.6% (n = 647). Pylorus-resecting, antecolic, Billroth II with Braun enteroenterostomy was associated with the lowest rates of DGE and ranked the best in 35% of comparisons. Classic Whipple, retrocolic, Billroth II with Braun ranked the worst for DGE in 32% of comparisons. Pairwise meta-analysis of retrocolic vs antecolic route of gastro-jejunostomy found increased risk of DGE with the retrocolic route (OR 2.1, 95% CrI; 0.92 - 4.7). Pairwise meta-analysis of Braun enteroenterostomy found a trend towards lower DGE rates with Braun compared to no Braun (OR 1.9, 95% CrI; 0.92 - 3.9). Having a Braun enteroenterostomy ranked the best in 96% of comparisons.ConclusionBased on existing RCT evidence, a pylorus-resecting, antecolic, Billroth II with Braun enteroenterostomy may be associated with the lowest rates of DGE.

Addition of Mesh Reinforcement for Pancreatic Stump and Braun Enteroenterostomy after Pancreaticoduodenectomy: A Single Institution Experience

The morbidity rate after pancreaticoduodenectomy (PD) remains high and a modified digestive reconstruction may affect the postoperative complications. We investigated a new modification of PD by adding mesh reinforcement for the pancreatic stump and Braun enteroenterostomy with the aim of reducing postoperative pancreatic fistula (POPF) and delayed gastric emptying (DGE), respectively. From November 2010 to April 2015, 81 consecutive patients who underwent modified PD were retrospectively reviewed. The clinically relevant POPF and DGE rates were 4.9 and 6.1 per cent, respectively. The overall mortality rate was 2.4 per cent. The incidence of overall postoperative complications was 46.9 per cent, with 17.2 per cent considered as major complications (Clavien grades 3–5). The median postoperative length of hospital stay was 17 days (range 10–119 days). For patients who had major complications, median postoperative length of hospital stay increased significantly (22 vs 13 days, P = 0.001), as compared with those patients with no complications. The new modified digestive reconstruction after PD seems safe and reliable with low clinically relevant POPF and DGE rates. Further prospective controlled trials are essential to support these results.

Addition of Braun enteroenterostomy to standard reconstruction in pancreaticoduodenectomy: impact on early outcomes

Background: Morbidity following Pancreaticoduodenectomy still remains high. Few studies have shown decrease in morbidity with the addition of Braun Enteroenterostomy (BEE). Aim of the present study was to determine any possible benefit with addition of BE to the standard reconstruction after pancreaticoduodenectomy.Methods: In this prospective randomized controlled study, all patients who underwent Pancreaticoduodenectomy from June 2012 to July 2016 were included. They were randomized to undergo either standard reconstruction (Group A) or with addition of Braun Enteroenterostomy to standard reconstruction (Group B). Outcomes were compared between 2 groups and the results were analyzed. P value of <0.05 was considered significant.Results: 104 patients were included in the study. Group A included 56 patients who underwent standard reconstruction and Group B had 48 patients who had addition of BEE to standard reconstruction. The demographic profile, tumour characteristics, and biochemical profile were similar in 2 groups. Mean operating time and Intra operative blood loss were similar. The incidence of pancreatic fistula (POPF) did not differ significantly in 2 groups (14/56, 25% in group A versus 8/48, 16.6% in group B; p = 0.42). The incidence of Delayed Gastric Emptying (DGE) was not statistically different in 2 groups (20/56, 35.7% in group A versus 12/48, 25% in group B; p=0.77). Infection rates were similar in two groups. Mean hospital stay was similar in both groups (11.2 days versus 10.7 days; p=0.68).Conclusions: The outcomes of patients after pancreaticoduodenectomy were not altered by addition of Braun Enteroenterostomy to standard reconstruction.