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Experimental models in peritoneal dialysis: a European experience
N Lameire1, W Van Biesen, M Van Landschoot
1Department of Internal Medicine, University Hospital Gent, Belgium.
Kidney International
|December 16, 1998
Summary
Researchers evaluated animal models for peritoneal dialysis (PD) to study membrane transport and test new solutions. The Stockholm model is effective for screening, while Amsterdam and Gent models offer insights into chronic conditions and uremic rat dialysis.
Area of Science:
- Nephrology
- Biomedical Engineering
- Animal Modeling
Background:
- In vitro models are insufficient for studying peritoneal dialysis (PD) aspects like membrane transport and local defense mechanisms.
- Adequate animal models are crucial for in vivo evaluation of PD, including testing new osmotic agents and their biocompatibility.
Purpose of the Study:
- To describe experience with three distinct animal models for peritoneal dialysis: acute Stockholm, acute/chronic Amsterdam, and chronic Gent.
- To highlight the utility of these models in understanding PD physiology and testing novel dialysis solutions.
Main Methods:
- Acute Stockholm model in non-uremic rats.
- Acute and chronic Amsterdam model in non-uremic rats.
- Chronic Gent model in uremic rats.
Main Results:
- The Stockholm model is simple, inexpensive, and effective for studying peritoneal transport and screening new dialysis solutions.
- The Amsterdam model facilitates in vivo study of chemokines and mesothelial cell regeneration, applicable to chronic peritonitis.
- The Gent model demonstrates the feasibility of chronic PD in uremic rats for up to eight weeks, though it is resource-intensive.
Conclusions:
- Further refinement of PD animal models is needed to enhance realism and efficacy for long-term studies.
- These models hold promise for evaluating long-term intraperitoneal administration of dialysis solutions and additives in uremic animal subjects.