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[Will there be acetate in dialysis solutions for the foreseeable future?]
Piergiorgio Bolasco1, Vincenzo Panichi, Sabrina Paletti
1S.C. Territoriale di Nefrologia e Dialisi, ASL di Cagliari, Cagliari, Italy. pg.bolasco@tin.it
Summary
Acetate in hemodialysis dialysate can cause serious side effects, especially in vulnerable patients. Acetate-free solutions offer improved hemodynamic stability and are the likely future of dialysis.
Area of Science:
- Nephrology and Dialysis
- Biochemistry
- Cardiovascular Medicine
Context:
- Acetate has been used as a buffer in bicarbonate dialysis solutions for chemical stability since the 1970s.
- Standard dialysis solutions contain 3-5 mmol/L of acetate.
- Recent hemodialysis techniques utilize acetate-free solutions to enhance hemodynamic efficiency and prevent cardiovascular damage.
Purpose:
- To evaluate the biological effects of acetate in hemodialysis.
- To highlight the risks associated with acetate accumulation in specific patient populations.
- To discuss the advantages of acetate-free dialysis solutions.
Summary:
- Acetate accumulation in hemodialysis, particularly in patients with impaired metabolism, can lead to intoxication, acidosis, and negative hemodynamic effects like vasodilation and myocardial dysfunction.
- Side effects include inflammation, dyslipidemia, hypotension, and elevated troponin levels.
- Acetate-free solutions demonstrate improved hemodynamic stability during dialysis sessions.
Impact:
- The findings challenge the continued use of acetate in dialysis, suggesting potential harm.
- Acetate-free solutions are presented as a safer and potentially more effective alternative for hemodialysis.
- The study indicates a shift towards acetate-free dialysis in the future due to ease of production and cost-effectiveness.
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