Advantages of Bicarbonate Hemodialysis

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Abstract
Six patients with frequent episodes of symptomatic hypotension during acetate dialysis were treated with bicarbonate dialysis. In all patients blood pressure, heart rate, and arterial acid-base values were measured every 30 minutes during each of the five treatments with acetate dialysis and bicarbonate dialysis. Hemodynamic parameters were measured in-vasively in all patients during bicarbonate dialysis and in three of them also during acetate dialysis. Additionally, continuous long-time monitoring with electroencephalography was performed during acetate dialysis and bicarbonate dialysis. During acetate dialysis the patients showed a frequent onset of sudden hypotension and arrhythmia with concomitant symptoms of the so-called disequilibrium syndrome, whereas these symptoms were nonexistent in the same patients during bicarbonate dialysis.