ArticleJournal of gastric cancer2026
Comparison of Proximal Gastrectomy With Double-Tract Reconstruction and Total Gastrectomy for Stage II-III Upper Gastric Cancer: A Dual-Institutional Propensity Score-Matched Analysis.
Article in Journal of gastric cancer, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
13 authors.
Funding
Abstract
purposeTotal gastrectomy (TG) is the standard treatment for stage II-III upper gastric cancer, whereas proximal gastrectomy is primarily used for early-stage disease. This study compared the oncologic and nutritional consequences, including anemia, vitamin B12 deficiency, and body composition changes, between proximal gastrectomy with double-tract reconstruction (PG-DTR) and TG. MATERIALS AND
methodsWe retrospectively analyzed a prospectively maintained dual-institutional database of patients who underwent curative-intent PG-DTR or TG for stage II-III gastric cancer between 2015 and 2022. Machine learning-based propensity score matching balanced the clinicopathological variables. Perioperative outcomes, hematologic and nutritional parameters, computed tomography-based body composition, and survival were compared.
resultsAfter matching, 62 patient pairs were included. Complication rates were comparable between the groups. Five-year cumulative incidences of anemia (86.2% vs. 88.7%, P=0.507), iron replacement (48.7% vs. 58.3%, P=0.595), and vitamin B12 deficiency (8.9% vs. 22.3%, P=0.139) were similar. However, the 5-year cumulative incidence of vitamin B12 replacement was significantly lower after PG-DTR than after TG (46.4% vs. 95.4%, P<0.001). Longitudinal changes in body composition, body weight, hemoglobin level, albumin level, and prognostic nutritional index were similar between the groups. Five-year overall survival rates were 78.9% and 81.1% (P=0.801), and the 5-year recurrence-free survival rates were 73.0% and 78.2% (P=0.690) in the PG-DTR and TG groups, respectively.
conclusionsPG-DTR showed no statistically significant differences in perioperative, nutritional, and oncologic outcomes compared with TG in this cohort. These findings should be interpreted cautiously because of the limited statistical power, and larger prospective studies are warranted.
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