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[Changes in amino acids in a regular dialysis program]
1I. interní klinika a Ustav klinické biochemie a diagnostiky LF UK a fakultní nemocnice, Hradec Králové.
Casopis Lekaru Ceskych
|May 30, 1994
Summary
Dialysis patients experience amino acid loss, impacting their nutritional status. Adequate high-quality protein intake can help offset these losses and improve dietary effectiveness.
Area of Science:
- Nephrology
- Biochemistry
- Clinical Nutrition
Context:
- Patients undergoing regular hemodialysis often face negative nitrogen balance.
- Amino acid metabolism is significantly altered during dialysis procedures.
- Existing dietary regimens for dialysis patients were not modified for this study.
Purpose:
- To assess the impact of dialysis on amino acid levels in patients.
- To determine if amino acid supplementation is necessary and under what conditions.
- To evaluate the influence of standard patient diets on amino acid profiles during dialysis.
Summary:
- Hemodialysis leads to significant losses of alpha-amino nitrogen (10.5 +/- 4.8 mg/4h) and specific amino acids.
- Plasma amino nitrogen concentration drops significantly (p < 0.001) during dialysis.
- Serum concentrations of several amino acids (histamine, lysine, methionine, taurine, etc.) decreased, while some were already low pre-dialysis.
Impact:
- Dialysis-induced amino acid changes are influenced by dialysate losses, cellular shifts, and dietary intake.
- Sufficient high-quality protein intake can effectively compensate for dialysis-related amino acid depletion.
- Monitoring serum amino acid concentrations provides insights into the efficacy of dietary interventions in dialysis patients.