Why people need renal dialysis diet?
Renal diet is recommended to patients undergoing dialysis. The purpose of this diet is to maintain a balance of three important factors in patients: electrolytes, minerals and fluid. The dialysis alone can’t effectively remove all waste products from the body and those products can build up between dialysis treatments. That’s why this special diet is so important.
What is renal dialysis?
Renal dialysis is an artificial process that uses diffusion from one fluid compartment to another across a semipermeable membrane in order to remove waste products and excess fluid from the body. Mechanical or active dialysis cycles blood through a machine called dialyzer or cycles dialyzing fluid into and out of the patients abdominal cavity –peritoneum. This process is done through a semipermeable membrane to eliminate impurities and toxins and to keep fluid, electrolyte and an acid-base balance. Passive dialysis, on the other hand, uses the client’s peritoneal membrane as the filter.
Acute renal failure
Patients with acute renal failure may require dialysis until their kidney function improves and starts filtering the blood independently. End State Renal Disease (ESRD) is an irreversible, chronic renal failure requiring regular dialysis or a kidney transplant to sustain life.
Types of renal dialysis
Common clinical procedures include two types of renal dialysis: peritoneal dialysis and hemodialysis. Both these procedures are acceptable modes of treatment.
Hemodialysis process
During this process, blood passes through an artificial kidney machine and the waste products diffuse across a synthetic membrane into a bath solution known as dialysate. After that, the cleansed blood is returned to the patient’s body. This type of dialysis is usually performed three times a week in 3-4 hour sessions.
Ultrafiltration
Sometimes medical complications occur where a patient retains more fluid after regular dialysis, than is healthy. Removing excess fluid from the blood through a dialysis membrane by exerting pressure is a process called ultrafiltration. This is a part of a hemodialysis treatment and is included in the composite rate for the hemodialysis treatment. Ultrafiltration is not a substitute for dialysis.
Peritoneal dialysis
During this process, dialysate is introduced and removed periodically from abdominal cavity and the waste products pass to it from person’s body through the peritoneal membrane.
Advantages of renal diet
For patients undergoing dialysis, this renal diet is an adjunct. It helps to maintain proper balance of fluids and electrolyte between dialysis treatments. Along with dialysis, it allows to feel as good as possible and to lessen complications from the toxins building up due to renal disease.
Tags: kidney dialysis diet, kidney diet, renal dialysis diet, renal diet, renal disease diet
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