Pyroptosis-immunity-microbiome axis in acute upper gastrointestinal bleeding: mechanisms, risk prediction, and individualized strategies - Takeaways - MDSpire

Pyroptosis-immunity-microbiome axis in acute upper gastrointestinal bleeding: mechanisms, risk prediction, and individualized strategies

  • By

  • Lijun Mei

  • Piao Zhang

  • Tao Xiang

  • Chengcheng Sun

  • June 1, 2026

  • 0 min

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  • 1

    Acute upper gastrointestinal bleeding (UGIB) has an annual incidence of 48 to 160 per 100,000 population and in-hospital mortality rates of 5 to 15%.

  • 2

    Pyroptosis, immune dysregulation, and gut microbiome dysbiosis are key mechanisms in the pathogenesis of UGIB, leading to mucosal injury and hemorrhage.

  • 3

    Systemic inflammatory markers like the neutrophil-to-lymphocyte ratio (NLR) and C-reactive protein (CRP) are utilized for UGIB risk stratification.

  • 4

    Established risk scoring systems for UGIB include the Glasgow-Blatchford Score, Rockall score, and AIMS65, which aid in predicting patient outcomes.

  • 5

    Emerging therapeutic strategies for UGIB focus on pyroptosis inhibitors and microbiome-modulating interventions for personalized management.

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