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Options in dialysis therapy: significance of cardiovascular findings
V Wizemann1, M Timio, M A Alpert
1Georg-Haas Dialysis Center, Geissen, Germany.
Insights
Patients on renal replacement therapy often have cardiovascular disease. Continuous ambulatory peritoneal dialysis (CAPD) may be preferable to hemodialysis for these patients due to fewer cardiac complications.
Area of Science:
- Nephrology
- Cardiology
- Internal Medicine
Background:
- Cardiovascular disease (CVD) is highly prevalent in patients requiring renal replacement therapy (RRT).
- Common CVD conditions include left ventricular hypertrophy and coronary artery disease.
- Dialysis can induce acute cardiac complications.
Purpose of the Study:
- To compare the cardiovascular implications of hemodialysis (HD) and continuous ambulatory peritoneal dialysis (CAPD).
- To evaluate the suitability of CAPD for patients with pre-existing cardiovascular disease.
Main Methods:
- Review of literature comparing cardiovascular outcomes in HD and CAPD patients.
- Analysis of dialysis-induced effects on cardiac function.
- Consideration of ultrafiltration rates and arteriovenous fistula impact.
Main Results:
- Hemodialysis is linked to acute cardiovascular complications like hypotension and sudden death.
- Continuous ambulatory peritoneal dialysis demonstrates amelioration of some cardiovascular complications.
- Slow ultrafiltration and the absence of an arteriovenous fistula in CAPD contribute to better cardiac outcomes.
Conclusions:
- Continuous ambulatory peritoneal dialysis may be a preferred dialysis modality for patients with cardiovascular disease.
- The benefits of CAPD stem from its gentler hemodynamic profile compared to standard hemodialysis.
- Achieving therapeutic goals is paramount, irrespective of the dialysis modality chosen.
Abstract:
Most patients receiving renal replacement therapy have cardiovascular disease. The most frequent conditions are left ventricular hypertrophy and coronary artery disease. Hemodialysis is associated with a characteristic spectrum of acute complications (such as hypotension, sudden death) that can be explained by typical dialysis-induced effects on the heart. With continuous ambulatory peritoneal dialysis (CAPD) some of those cardiovascular complications are ameliorated due to slow ultra-filtration and absence of an arteriovenous fistula. It is concluded that CAPD might be the preferable option in patients with cardiovascular disease when hemodialysis can only be performed in a standardized and often aggressive manner. However, achievement of medically-defined goals appears to be more important than technique in dialysis therapy.