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Peritoneal dialysis: a primary care perspective.

Ramesh Saxena1, Cheryl West

  • 1Department of Internal Medicine, Division of Nephrology, University of Texas, Southwestern Medical Center; Dallas, TX 75390-8856, USA. Ramesh.saxena@utsouthwestern.edu

Journal of the American Board of Family Medicine : JABFM
|July 1, 2006
PubMed
Summary
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Primary care physicians play a key role in managing chronic kidney disease (CKD) and end-stage renal disease (ESRD). Preserving residual renal function (RRF) is crucial for patients undergoing peritoneal dialysis (PD), and new solutions like icodextrin offer benefits but require careful monitoring.

Area of Science:

  • Nephrology
  • Internal Medicine
  • Dialysis Therapy

Background:

  • Growing prevalence of chronic kidney disease (CKD) and end-stage renal disease (ESRD) necessitates increased primary care physician involvement.
  • Early CKD recognition and timely nephrologist referral are vital for improving ESRD outcomes and dialysis modality selection.
  • Peritoneal dialysis (PD) is a cost-effective ESRD treatment option, potentially offering survival advantages over hemodialysis in the initial years.

Purpose of the Study:

  • To highlight the importance of preserving residual renal function (RRF) in peritoneal dialysis (PD) patients for improved survival.
  • To guide primary care physicians on managing PD patients, including avoiding nephrotoxic agents and judicious antibiotic use.
  • To inform about the benefits and unique metabolic effects of icodextrin, a novel PD solution, for primary care physicians.

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Main Methods:

  • Review of current literature and clinical guidelines regarding CKD and ESRD management.
  • Analysis of the role of peritoneal dialysis (PD) in ESRD treatment and its comparison with hemodialysis.
  • Examination of strategies for preserving residual renal function (RRF) in PD patients.
  • Evaluation of the properties and clinical implications of icodextrin in PD therapy.

Main Results:

  • Preservation of RRF is critical for enhancing survival outcomes in PD patients.
  • Avoiding nephrotoxic drugs (aminoglycosides, NSAIDs) and limiting radiocontrast agents are essential for RRF protection.
  • Icodextrin, a new PD solution, is safe but presents unique metabolic effects, including falsely elevated blood glucose and altered serum amylase levels.

Conclusions:

  • Primary care physicians must be aware of CKD/ESRD management principles and PD-specific care.
  • Protecting RRF and peritoneal membrane health are key objectives in PD patient management.
  • Understanding icodextrin's metabolic effects is crucial for accurate patient monitoring and avoiding misdiagnosis of conditions like pancreatitis.