Background: Palliative efficacy of conventional gastrojejunostomy in palliation of malignant gastric outlet obstruction is debatable. This study aims to compare the outcomes of conventional gastrojejunostomy and stomach-partitioning gastrojejunostomy and to explore the factors influencing the delayed gastric emptying after surgery in patients with malignant gastric outlet obstruction.
Methods: The study subjects were divided into the following two groups based on whether the stomach was partitioned or not: Conventional gastrojejunostomy and stomach-partitioning gastrojejunostomy. All demographic data, patient characteristics, postoperative outcomes, including delayed gastric emptying grade and 30-day complications were collected. Following the comparison of the clinical outcomes, risk factors for delayed gastric emptying were determined by regression models.
Results: Fifty-three patients were included in this study. Of these, 37 patients underwent conventional gastrojejunostomy, whereas 16 patients underwent stomach-partitioning gastrojejunostomy. Patient demographics and baseline characteristics were comparable between groups. Although 10 (27%) patients in the conventional gastrojejunostomy group had delayed gastric emptying grade B-C, no patient in the stomach-partitioning gastrojejunostomy group experienced this condition. There was no difference between the groups concerning hospital stay and complications. In multivariate regression analysis, having distant metastasis (OR=0.156, 95%CI 0.034-0.720, p=0.017) and stomach-partitioning (OR=0.127, 95%CI 0.025-0.653, p=0.014) were found as independent factors for the delayed gastric emptying.
Conclusion: In patients with malignant gastric outlet obstruction, compared with conventional gastrojejunostomy, stomach-partitioning may provide favorable clinical outcomes by improving gastric emptying.