ArticleWorld journal of gastrointestinal surgery2026
Early gastric dilation after laparoscopic sleeve gastrectomy: Insights from a three-dimensional computed tomography reconstruction study.
Article in World journal of gastrointestinal surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundLaparoscopic sleeve gastrectomy (LSG) is currently the most commonly performed bariatric surgery owing to its effective weight loss and low complication rates. Nonetheless, some patients experience weight regain or insufficient weight loss due to residual gastric dilation, the factors of which remain unclear.
aimTo evaluate changes in residual gastric volume after LSG using three-dimensional computed tomography reconstruction and to investigate the factors contributing to gastric dilation.
methodsThis retrospective study included 50 patients who underwent LSG. Preoperative clinical and laboratory data were obtained. The residual gastric volume was measured using three-dimensional computed tomography reconstruction at 1 month and 3 months postoperatively. The total sleeve volume, tube volume, antral volume, and tube-to-antral volume ratio were also assessed. Resected gastric volume and staple line length were measured during surgery. Weight metrics and laboratory indices were recorded at 1 month, 3 months, 6 months, and 12 months postoperatively. The Eating Behavior After Bariatric Surgery Questionnaire and Gastroesophageal Reflux Disease Questionnaire (GERD-Q) were used to assess the dietary behavior of patients after LSG. Correlation between the degree of residual gastric dilation and percent total weight loss (%TWL) at 12 months postoperatively was analyzed. Univariate and multivariate correlation analyses were conducted to identify risk factors for residual gastric dilation after LSG.
resultsThe 50 included patients had a mean preoperative body mass index of 42.27 ± 7.19 kg/m
conclusionIn conclusion, residual gastric dilation after LSG significantly affected the efficacy of weight loss. Preoperative type 2 diabetes, residual gastric volume at 1 month after LSG, and GERD-Q scores were independent risk factors affecting the degree of residual gastric dilation.
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