Cardiovascular risk in the peritoneal dialysis patient

Area of Science:

• Nephrology
• Cardiology
• Internal Medicine

Background:

• Cardiovascular death is the leading cause of mortality in patients undergoing peritoneal dialysis (PD).
• Risk factors are multifactorial, encompassing general population risks, end-stage renal disease (ESRD)-related factors, and PD-specific issues.

Purpose of the Study:

• To identify and delineate the spectrum of cardiovascular death risk factors in patients on peritoneal dialysis.
• To differentiate between general, ESRD-related, and PD-specific risk factors.

Main Methods:

• Review of existing literature and clinical data pertaining to cardiovascular risk in PD patients.
• Analysis of risk factors including overhydration, metabolic derangements, and dialysis solution components.

Main Results:

• Overhydration post-residual renal function loss is a critical PD-specific risk factor.
• High glucose load in PD solutions contributes to insulin resistance and atherogenic lipid profiles.
• Advanced glycation end products from glucose degradation products are another PD-specific concern.
• ESRD-related factors like calcifications and protein-energy wasting, especially with inflammation and atherosclerosis, significantly elevate risk.
• Obesity does not correlate with increased cardiovascular risk in dialysis patients.

Conclusions:

• Cardiovascular risk in PD patients is complex, influenced by dialysis modality, ESRD, and general health.
• Managing overhydration and metabolic complications associated with PD is crucial for reducing cardiovascular mortality.