ArticleObesity surgery2023
Bariatric Surgery and Risk of Hospitalization for Gastrointestinal Cancers in the USA: a Propensity Score Matched Analysis of National Inpatient Sample Study.
Article in Obesity surgery, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 3 of them syntheses that pooled it.
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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed, 3 syntheses or guidelines pooled it, 2 citations in OpenAlex.
- The Relationship Between Bariatric Surgery and Gallbladder Cancer (GBC): A Systematic Review and Meta-analysis.Obesity surgery · 2026Pooled it
- Risk of gastric cancer after bariatric surgery: a meta-analysis of retrospective studies.Frontiers in surgery · 2025Pooled it
- Risk of Esophageal Adenocarcinoma After Bariatric Surgery: A Meta-Analysis of Retrospective Studies.Obesity surgery · 2024Pooled it
- Review
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThere are some concerns about the higher risk of certain gastrointestinal (GI) cancers in patients with a history of bariatric metabolic surgery (BMS). The current study aimed to investigate the association of BMS with GI cancer hospital admission including esophageal, gastric, colorectal, small intestinal, liver, gallbladder, bile duct, and pancreatic cancers.
methodsThe analysis utilized the US national inpatient sample (NIS) data from 2016 to 2020, employing ICD-10 codes. A propensity score matching in a 3:1 ratio was done to match the BMS and non-BMS groups.
resultsA total of 328,369 patients with a history of BMS and 4,989,154 with obesity and without a history of BMS were included in this study. BMS was independently associated with a higher risk of gastric and pancreatic cancers hospital admission (OR: 1.69 (CI 95%: 1.42-2.01) and OR: 1.46 (CI 95%: 1.27-1.68)), respectively. In addition, BMS was independently associated with a lower risk of colorectal and liver cancer hospital admission (OR: 0.57 (CI 95%: 0.52-0.62) and OR: 0.72 (CI 95%: 0.52-0.98)), respectively. Besides, esophageal, gallbladder, bile duct, and small intestinal cancer were not significantly different between the two groups. In patients with GI cancer, although the BMS group had significantly lower total charges and length of hospital stay compared to the non-BMS group, the rate of in-hospital mortality was not significantly different.
conclusionThe current study showed that bariatric surgery may be associated with a higher risk of gastric and pancreatic cancer and a lower risk of colorectal and liver cancer hospital admission. Further research is needed to explore this association.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.