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Published on: July 28, 2020
Short article: Gastrointestinal bleeding in multiorgan failure
1Portland VA Medical Center and Oregon Health & Science University, Portland, Oregon, USA.
Insights
Endoscopic hemostasis for gastrointestinal bleeding (GIB) in multiorgan failure (MOF) offers limited survival benefits. While it can delay mortality, overall patient outcomes in MOF are primarily driven by other complications.
Area of Science:
- Critical Care Medicine
- Gastroenterology
- Medical Simulation
Background:
- Gastrointestinal bleeding (GIB) is a significant complication in patients experiencing multiorgan failure (MOF).
- The efficacy of hemostasis in managing GIB within the context of MOF requires further investigation.
- Understanding the interplay between GIB and other MOF complications is crucial for improving patient outcomes.
Purpose of the Study:
- To analyze the factors contributing to the limited success of hemostasis for GIB in patients with MOF.
- To model the impact of reversing GIB on the clinical outcome of MOF using a Markov process.
Main Methods:
- A Markov process was employed to model GIB as a complication within multiorgan breakdown.
- The study simulated the effect of GIB reversal on patient survival and clinical outcomes.
Main Results:
- Endoscopic hemostasis can delay mortality in severe systemic disease but has a small overall impact on survival.
- In cases of transient increased mortality risk due to MOF, endoscopic hemostasis can significantly prolong survival in absolute terms.
- The benefit of endoscopic intervention is greatest when GIB is a primary driver of morbidity and mortality compared to other complications.
Conclusions:
- The ultimate outcome in MOF is determined by complications beyond GIB alone.
- Consequently, the impact of endoscopic hemostasis on patient survival in MOF is often limited.
Background And Aims:
Gastrointestinal bleeding (GIB) may present as complication of multiorgan failure (MOF). The study aims to analyze the reasons for the limited success of hemostasis of GIB in MOF.
Methods:
Using a Markov process, GIB is modeled as one of several complications associated with multiorgan breakdown to study how the reversal of GIB affects clinical outcome.
Results:
Although endoscopic hemostasis can delay mortality in patients with severe systemic disease, its overall influence on survival is relatively small. In patients with a time-limited transition through an acute phase of increased mortality risk secondary to MOF, endoscopic hemostasis may substantially prolong survival in absolute terms. However, its relative contribution to overall survival still remains relatively small even in the scenario of transient risk only. The benefit of endoscopy is largest, if GIB is a major contributor to morbidity and mortality in comparison with all other disease complications.
Conclusion:
Because disease outcome in MOF is ultimately determined by other complications than GIB alone, the influence of endoscopic hemostasis on patient survival often remains disappointingly small.

