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Oxidative stress in acute pancreatitis
H U Schulz1, C Niederau, H Klonowski-Stumpe
1Department of Surgery, Otto-von-Guericke-University of Magdeburg, Germany. hans-ulrich.schulz@medizin.uni-magdeburg.de
Hepato-Gastroenterology
|November 27, 1999
Summary
Free radicals contribute to acute pancreatitis edema, but their role in necrosis is unproven. Antioxidant therapies show promise in severe cases, but more clinical trials are needed to confirm efficacy.
Area of Science:
- Biochemistry
- Pathophysiology
- Pharmacology
Background:
- Free radicals and oxidative stress are implicated in acute pancreatitis.
- Evidence suggests their role in pancreatic edema formation.
Purpose of the Study:
- To review evidence on free radical involvement in acute pancreatitis pathophysiology.
- To assess the potential of antioxidant and scavenger therapies.
Main Methods:
- Critical review of clinical trials, experimental pancreatitis studies, and in vitro investigations.
- Analysis of free radical activity and lipid peroxide concentrations.
Main Results:
- Increased free radical activity and lipid peroxides observed in pancreatitis patients and animals.
- Antioxidants reduced pancreatic edema formation, suggesting a role in edema genesis.
- Ebselen and CV-3611 showed effectiveness in severe acute pancreatitis models.
- Controlled clinical studies have not yet confirmed efficacy of selenium or glutathione precursors.
Conclusions:
- Free radicals likely contribute to acute pancreatitis edema, but their role in necrosis is unclear.
- Further controlled clinical trials are necessary to validate antioxidant therapies for acute pancreatitis.
- The precise role of free radicals in acute pancreatitis pathogenesis requires integrated investigation across biological levels.