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Change in gastric emptying eight weeks after endoscopic submucosal dissection in patients with early gastric cancer.

ABSTRACT: Gastric emptying after endoscopic submucosal dissection (ESD) for early gastric cancer is not clear. The aim of this study was to evaluate changes in gastric emptying from before ESD to 8 weeks after ESD.In total, 54 patients with early gastric cancer were enrolled in this study. A breath test with carbon 13 ((13)C) was conducted before ESD and at 1 and 8 weeks after ESD. The Tlag and T1/2 values were analyzed at each time point. The primary outcomes were the changes in the Tlag and T1/2 values from before ESD to 1 and 8 weeks after ESD. The secondary outcomes were the factors associated with the changes in the Tlag and T1/2 values.Gastric emptying was delayed at 1 and 8 weeks after ESD compared with before ESD (Tlag P = 0.002, P < 0.001; T1/2 P = 0.005, P = 0.001, respectively). The changes in the Tlag and T1/2 values from before ESD to 1 week after ESD were greater for proximal stomach lesions than for distal stomach lesions (P = 0.028, P < 0.001). Proximal stomach lesions were identified as the significant factor that influenced changes in the Tlag and T1/2 values from before ESD to 1 week after ESD in the multivariate analyses (Tlag P = 0.003, T1/2 P = 0.005).ESD induced delayed gastric emptying until 8 weeks after ESD. Proximal stomach lesions were also associated with decreased emptying 1 week after ESD.

SUBMITTER: Watanabe K

PROVIDER: S-EPMC4874802 | biostudies-other | 2016 May

REPOSITORIES: biostudies-other

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Project description:ObjectivesTo investigate the treatment effects of endoscopic submucosal dissection (ESD) versus endoscopic mucosal resection (EMR) for early gastric cancer (EGC).DesignMeta-analysis.MethodsWe systematically searched three electronic databases, including PubMed, EmBase and the Cochrane library for studies published with inception to January 2018. The eligible studies should be evaluated for the efficacy and safety of ESD versus EMR for patients with EGC. The summary ORs and standard mean differences (SMDs) with 95% CIs were employed as effect estimates. Sensitivity analyses were conducted to evaluate the impact of single study on overall analysis. Subgroup analyses were performed for investigated outcomes to evaluate the treatment effects of ESD versus EMR for patients with EGC with specific subsets.ResultsEighteen studies, with a total of 6723 patients with EGC, were included in final analysis. The summary ORs indicated that patients with EGC who received ESD were associated with an increased incidence of en bloc resection (OR: 9.00; 95% CI: 6.66 to 12.17; p<0.001), complete resection (OR: 8.43; 95% CI: 5.04 to 14.09; p<0.001) and curative resection (OR: 2.92; 95% CI: 1.85 to 4.61; p<0.001) when compared with EMR. Furthermore, ESD was associated with lower risk of local recurrence (OR: 0.18; 95% CI: 0.09 to 0.34; p<0.001). In addition, there was no significant difference between ESD and EMR for the risk of bleeding (OR: 1.26; 95% CI: 0.88 to 1.80; p=0.203). Though, ESD was correlated with greater risk of perforation (OR: 2.55; 95% CI: 1.48 to 4.39; p=0.001), and longer operation time (SMD: 1.12; 95% CI: 0.13 to 2.10; p=0.026) as compared with EMR. Additionally, several different features observed in included studies and patients could bias the effectiveness of ESD versus EMR in patients with EGC.ConclusionsESD is superior than EMR for en bloc resection, complete resection, curative resection and local recurrence, while it increased perforation risk and longer operation time.

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Change in gastric emptying eight weeks after endoscopic submucosal dissection in patients with early gastric cancer.

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