Acute renal failure hemodialysis liquid component of what?

Hemodialysis therapy is the use of semi-permeable membrane to remove metabolic wastes in the blood and the excess moisture and to maintain a balance of acid and alkali treatment. Dialysis therapy does not cure uremia or renal failure, its role is to try artificial kidney to replace lost kidney function in order to sustain life. Dialysis therapy can be divided into hemodialysis [1] and two kinds of peritoneal dialysis, their advantages and disadvantages.

Acute renal failure hemodialysis liquid component What? Acute renal failure hemodialysis liquid component What? Dialysate is a class of ionic solution and a variety of non-ionic species has a certain osmotic pressure, for rectal, intraperitoneal or in vitro dialysis, rid the body of metabolic wastes (such as urea); rid the body of excess drugs or poisons; regulate body fluids of water - electrolyte balance and so on, are generally used for patients with renal failure. Dialysis dialysate metabolic waste can be taken away in the blood, regulating plasma electrolyte imbalance and acid-base imbalance, the dialysate composition whether it is appropriate to improve the symptoms of uremia and correct complications is important, therefore we must fully consider the dialysate composition and content . In addition, sometimes you need to adjust the dialysate certain ingredients, such as increasing the sodium, calcium or potassium concentration lowered to meet the clinical needs of the individual patient. Then the components of blood dialysis solution, what does?

(1) Sodium: Sodium is the major extracellular cation, to maintain plasma osmolality and blood volume plays an important role. In order to maintain sodium balance in dialysis patients, sodium dialysate required value slightly lower than the normal serum sodium concentration is generally 130 ~ 140mmol / l.

(2) Potassium: Potassium is the major cation of intracellular fluid, dialysate potassium concentration is generally 0 ~ 4mmol / l, you can choose different concentrations of potassium dialysate according to different needs. No potassium dialysate (0 ~ 1mmol / l), mainly used arf anuria or highly catabolic patients start dialysis or hyperkalemia first 1 to 2 hours; low potassium dialysate (2mmol / l), and more for each conventional dialysate (3 ~ 4mmol / l), for pre-dialysis serum potassium normal maintenance dialysis or in patients taking digitalis; pre-dialysis patients with high blood potassium or potassium induction period high.

(3) Calcium: calcium level in maintenance hemodialysis patients most low, the calcium dialysate reaches normal or slightly positive balance. Dialysate calcium content should be between 1.5 ~ 1.75mmol / l.

(4) Magnesium: renal failure, renal failure patients often have hypermagnesemia dialysate magnesium concentration is generally 0.6 ~ 1mmol / l, slightly lower than normal plasma magnesium.

(5) Chlorine: chloride ions in the dialysis fluid and extracellular fluid is substantially the same, is determined by the concentration of sodium cations and acetate at a concentration of 96 ~ 110mmol / l.

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