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High peritoneal transport: a blessing or curse?
C Gentiana Voinescu1, Ramesh Khanna, Karl D Nolph
1Division of Nephrology, Department of Internal Medicine, University of Missouri, Columbia, Missouri, USA.
Advances in Peritoneal Dialysis. Conference on Peritoneal Dialysis
|October 31, 2002
Summary
High transporters, identified via peritoneal equilibration tests, face worse clinical outcomes. Dividing them into "sick" and "healthy" groups may refine understanding of their distinct characteristics and prognoses.
Area of Science:
- Nephrology
- Peritoneal Dialysis
- Transport Phenomena
Background:
- High transporters are defined by peritoneal equilibration tests.
- Peritoneal transport rate is dynamic, influenced by inflammation and angiogenesis affecting pore area.
- Neovascularization significantly impacts peritoneal transport.
Purpose of the Study:
- To describe factors influencing neovascularization in high transporters.
- To outline distinctive clinical and laboratory features of high transporters.
- To discuss mechanisms behind the adverse prognosis in high transporters and propose a new classification.
Main Methods:
- Analysis of peritoneal equilibration test results.
- Review of factors influencing peritoneal neovascularization.
- Discussion of clinical and laboratory data associated with high transporters.
- Categorization of high transporters into 'sick' and 'healthy' subgroups.
Main Results:
- High transporters exhibit unique clinical and laboratory profiles.
- Incidence of high transporters varies across populations.
- High transporters are associated with poorer clinical outcomes.
- Proposed mechanisms for adverse prognosis include hypoalbuminemia, fluid overload, malnutrition, and inflammation.
Conclusions:
- Baseline high transporters can be differentiated into 'sick' and 'healthy' groups.
- These subgroups possess distinct baseline characteristics and clinical outcomes.
- Further research is needed to precisely define these high transporter subgroups.