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Recommended clinical practices for maximizing peritoneal dialysis clearances
P Blake1, J M Burkart, D N Churchill
1University of Western Ontario, London, Canada.
Summary
Adequate peritoneal dialysis (PD) clearance is linked to patient survival. Individualizing PD prescriptions based on patient factors ensures optimal clearance and survival outcomes.
Area of Science:
- Nephrology
- Renal Medicine
- Dialysis Therapy
Background:
- The Canada-U.S.A. (CANUSA) Study highlights a connection between peritoneal dialysis (PD) clearance and patient survival.
- Historical PD adequacy standards may be insufficient for optimal patient outcomes.
Purpose of the Study:
- To establish clinical recommendations for achieving peritoneal dialysis clearance guidelines.
- To provide a consensus statement on optimizing PD adequacy.
Main Methods:
- Analysis of data from 806 peritoneal dialysis patients.
- Expert committee review and consensus development.
Main Results:
- Adequate PD clearance is achievable for nearly all patients through individualized prescriptions.
- Prescription adjustments like increased fill volumes, extra exchanges, or 'wet' days can enhance creatinine clearance and KT/V.
- Individualized PD prescriptions should consider patient-specific factors, including body surface area, residual renal function, and membrane transport characteristics.
Conclusions:
- Optimizing PD requires tailoring prescriptions to individual patient needs, encompassing clinical, social, and quality-of-life factors.
- Effective PD management involves ongoing assessment of membrane permeability, clearance measurements, and prescription adjustments.
- The focus should be on delivering the maximum feasible dialysis within patient-specific constraints.