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Prescribing high-quality peritoneal dialysis: Moving beyond urea clearance. 2020

Tamara Glavinovic, and Helen Hurst, and Alastair Hutchison, and Lina Johansson, and Nicola Ruddock, and Jeffrey Perl
Division of Nephrology, Department of Medicine, University of Toronto, Ontario, Canada.

Urea removal in peritoneal dialysis (PD) has been a primary measure of dialysis adequacy, but its utility remains limited due to its poor correlation with the clearance of other important uraemic retention solutes and the low certainty of evidence relating peritoneal urea clearance and survival of individuals doing PD. Indeed, clearances of other uraemic solutes, electrolyte imbalances, hypoalbuminaemia and nutritional status, may provide a more holistic measure of dialysis adequacy when evaluating individuals on PD in addition to focusing on person-centred outcomes. Here, we review the history of the urea and creatinine-centric approach to dialysis adequacy and explore the potential importance of other uraemic retention solutes, electrolyte disturbances, phosphorus control, peritoneal protein losses and hypoalbuminaemia, as well as nutritional management to promote a broader multidimensional concept of clearance for PD.

UI MeSH Term Description Entries
D007676 Kidney Failure, Chronic The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION. ESRD,End-Stage Renal Disease,Renal Disease, End-Stage,Renal Failure, Chronic,Renal Failure, End-Stage,Chronic Kidney Failure,End-Stage Kidney Disease,Chronic Renal Failure,Disease, End-Stage Kidney,Disease, End-Stage Renal,End Stage Kidney Disease,End Stage Renal Disease,End-Stage Renal Failure,Kidney Disease, End-Stage,Renal Disease, End Stage,Renal Failure, End Stage
D007677 Kidney Function Tests Laboratory tests used to evaluate how well the kidneys are working through examination of blood and urine. Function Test, Kidney,Function Tests, Kidney,Kidney Function Test,Test, Kidney Function,Tests, Kidney Function
D010530 Peritoneal Dialysis Dialysis fluid being introduced into and removed from the peritoneal cavity as either a continuous or an intermittent procedure. Dialyses, Peritoneal,Dialysis, Peritoneal,Peritoneal Dialyses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014508 Urea A compound formed in the liver from ammonia produced by the deamination of amino acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids. Basodexan,Carbamide,Carmol
D018579 Patient Selection Criteria and standards used for the determination of the appropriateness of the inclusion of patients with specific conditions in proposed treatment plans and the criteria used for the inclusion of subjects in various clinical trials and other research protocols. Patient Recruitment,Research Subject Recruitment,Selection Criteria,Research Subject Selection,Selection for Treatment,Selection of Research Volunteers,Selection of Subjects,Criteria, Selection,Recruitment, Patient,Recruitment, Research Subject,Recruitments, Research Subject,Research Subject Recruitments,Research Subject Selections,Research Volunteers Selection,Research Volunteers Selections,Selection for Treatments,Selection, Patient,Selection, Research Subject,Selections, Research Subject,Subject Recruitment, Research,Subject Recruitments, Research,Subject Selection, Research,Subject Selections, Research,Subjects Selection,Subjects Selections,Treatment, Selection for,Treatments, Selection for,Volunteers Selection, Research

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