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Tumour necrosis factor and bacterial sepsis
H R Michie1, P J Guillou, D W Wilmore
1Academic Surgical Unit, St. Mary's Hospital, London, UK.
The British Journal of Surgery
|July 1, 1989
Summary
This review explores if tumour necrosis factor (TNF) drives the severe complications of sepsis. Evidence suggests TNF plays a key role in sepsis-induced organ damage and dysfunction.
Area of Science:
- Immunology
- Pathophysiology
- Critical Care Medicine
Background:
- Severe sepsis is a life-threatening condition characterized by systemic inflammation and organ dysfunction.
- Tumour necrosis factor (TNF) is a pro-inflammatory cytokine implicated in various inflammatory diseases.
Purpose of the Study:
- To critically evaluate the scientific evidence linking TNF to the pathological mechanisms of severe sepsis.
- To determine if TNF is the primary mediator responsible for sepsis-induced derangements.
Main Methods:
- Comprehensive literature review of preclinical and clinical studies.
- Analysis of experimental data investigating TNF's role in sepsis models.
- Examination of human studies measuring TNF levels and clinical outcomes in sepsis patients.
Main Results:
- Consistent elevation of TNF levels observed in patients with severe sepsis.
- Experimental models demonstrate that TNF blockade can mitigate sepsis-induced organ injury.
- Clinical studies show correlations between high TNF levels and disease severity/mortality.
Conclusions:
- The evidence strongly supports tumour necrosis factor (TNF) as a principal mediator of severe sepsis.
- Targeting TNF represents a potential therapeutic strategy for managing sepsis.
- Further research is warranted to optimize anti-TNF therapies in clinical sepsis management.