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Infection, the gut and the development of the multiple organ dysfunction syndrome
G A Nieuwenhuijzen1, E A Deitch, R J Goris
1Department of Surgery, Academic Hospital Nijmegen, The Netherlands.
Abstract:
It has been hypothesised that failure of the gut is an important pathophysiological phenomenon of the generalised inflammatory response that leads to the multiple organ dysfunction syndrome (MODS). Abnormal colonisation, infections of gut origin, bacterial translocation are all signs of gut failure that have been implicated in the pathogenesis of MODS. We have concluded after summarising published experimental and clinical studies that have tried to correlate the occurrence or prevention (by selective decontamination of the digestive tract) of these phenomena with the development of MODS, it seems that in some patients it is clear that loss of intestinal barrier function or the onset of infection precedes the development of MODS. In other patients, however, this relationship is not so clear and it seems that these phenomena may reflect a failure of the host's immune and mechanical defence systems and are epiphenoma of critical illness. The causal relation between those phenomena and the development of MODS are complex and need further clarification.
Insights
Gut failure, including infections and bacterial translocation, is linked to multiple organ dysfunction syndrome (MODS). However, the exact causal relationship between gut issues and MODS requires further investigation.
Area of Science:
- Critical care medicine
- Gastroenterology
- Pathophysiology
Background:
- Gut failure is hypothesized to be a key factor in the development of multiple organ dysfunction syndrome (MODS).
- Signs of gut failure, such as abnormal gut microbiota, infections, and bacterial translocation, are implicated in MODS pathogenesis.
- Selective decontamination of the digestive tract is a potential intervention strategy.
Purpose of the Study:
- To summarize and analyze experimental and clinical studies correlating gut failure phenomena with MODS development.
- To clarify the complex relationship between gut failure and MODS.
Main Methods:
- Systematic review and summarization of published experimental and clinical studies.
- Analysis of studies investigating the prevention of gut phenomena (e.g., selective decontamination) and their impact on MODS.
Main Results:
- In some patients, loss of intestinal barrier function or infection clearly precedes MODS development.
- In other patients, the relationship is less clear, suggesting these phenomena might be secondary to critical illness and host defense failure.
- The causal link between gut failure and MODS is complex and not fully established.
Conclusions:
- Gut failure phenomena are implicated in MODS, but their precise role is debated.
- The development of MODS may involve complex interactions between gut integrity, infection, and host immune responses.
- Further research is needed to elucidate the causal relationship between gut failure and multiple organ dysfunction syndrome.