Sunday, November 1, 2015

What's The Composition of Dialysis for Patients Who Have Acute Renal Function

Dialysate which is for renal failure is a class contains a variety of ionic and non-ionic substance solution has a certain osmotic pressure, for rectal, peritoneal dialysis, or in vitro, rid the body of metabolic wastes (such as urea); rid the body of excess poisons or drugs; regulate body fluids The 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 balance, so the dialysate composition whether it is appropriate to improve uremic symptoms and correct complications is important, so to take full account of the dialysate composition and content . In addition, sometimes necessary to adjust the concentration of 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 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 main 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 no urine or high catabolism of hyperkalemia in patients beginning dialysis or head 1 to 2 hours; low potassium dialysate (2mmol / l), and more for every conventional dialysate (3 ~ 4mmol / l), for pre-dialysis potassium normal maintenance dialysis or in patients taking digitalis; high potassiu

(3) Calcium: calcium levels in hemodialysis patients most low, the calcium reaches dialysis 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 dialysate is substantially identical with the extracellular fluid, is determined by the concentration of the cation and sodium acetate, at a concentration of 96 ~ 110mmol / l.


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