Related Experiment Videos
Glucose turnover in rats undergoing transient dearterialization for liver malignancy
1Department of Surgery, Lund University, Sweden.
The Journal of Surgical Research
|November 1, 1989
Summary
Hepatic dearterialization lowers glucose elimination in rats. In tumor-bearing rats, this procedure also reduces glucose production, potentially causing hypoglycemia due to increased tumor glucose uptake.
Area of Science:
- Metabolic research
- Oncology
- Surgical interventions
Background:
- Hepatic dearterialization techniques are increasingly used for liver malignancies.
- Understanding the metabolic effects of this procedure is crucial.
Purpose of the Study:
- To investigate the metabolic consequences of hepatic dearterialization, specifically glucose turnover.
- To compare glucose metabolism in tumor-free versus tumor-bearing rats during dearterialization.
Main Methods:
- Utilized a primed tracer [(3-3H]glucose) infusion technique in rats.
- Assessed glucose turnover, elimination rate, and hepatic glucose production.
Main Results:
- Glucose elimination rate decreased in both tumor-free and tumor-bearing rats.
- Hepatic glucose production was maintained in tumor-free rats (hyperglycemia).
- Hepatic glucose production decreased in tumor-bearing rats (hypoglycemia), unaffected by glucose pre-infusion.
Conclusions:
- Hepatic dearterialization impairs glucose elimination in rats.
- In tumor-bearing rats, hepatic dearterialization reduces hepatic glucose production, leading to hypoglycemia.
- Exaggerated glucose consumption by tumors may contribute to hypoglycemia during dearterialization.