How does bicarbonate function in the context of dialysis?

Bicarbonate plays a crucial role in dialysis, particularly in the form of dialysate. In the dialysis process, bicarbonate functions as a buffer that helps to maintain the acid-base balance in the patient's blood. When a person with kidney failure undergoes hemodialysis, the kidneys are unable to effectively remove excess acids from the body. The introduction of bicarbonate in the dialysate helps to neutralize these acids, thus correcting metabolic acidosis, which is a common complication in patients with chronic kidney disease. This buffering action is vital for stabilizing the patient’s pH level during treatment and promoting overall health.

Understanding the importance of bicarbonate as a buffer highlights its essential role in enhancing the effectiveness of dialysis by preventing complications related to acid-base imbalance.