Dialysis of common sense

Hemodialysis commonly known as artificial kidney, hollow fiber type, coil type and flat type 3. The most commonly used is the hollow fiber type, from 1 to 15 million hollow fiber composition, hollow fiber wall that is dialysis membrane, with semipermeable membrane properties. Hemodialysis blood into each hollow fiber, and dialysate in each hollow fiber outside the flow direction of the flow of the dialysate and the opposite direction of flow through the semi-permeable membrane principle to remove the poison, through the ultrafiltration and osmotic removal of water.

(1) indications for hemodialysis include:
(2) acute renal failure.
(3) acute drug or poison poisoning.
(4) chronic renal failure.
(5) renal transplantation before the renal failure or rejection after transplantation so that the transplanted kidney without functional.
(6) other diseases (liver failure, schizophrenia, psoriasis, etc.).

The relative contraindications to hemodialysis include:
(1) very critically ill, low blood pressure, shock.
(2) severe infection sepsis.
(3) severe myocardial dysfunction or coronary heart disease.
(4) within 3 days after major surgery.
(5) severe bleeding tendency, cerebral hemorrhage and severe anemia.
(6) mental illness does not cooperate.
(7) Malignant tumor patients.

General patients need hemodialysis 3 times a week, each 4 to 5 hours. Should start dialysis as soon as possible to correct the accumulation of toxins due to excessive irreversible organ damage and the body's metabolic disorders, when the creatinine clearance rate decreased to 10 ~ 12mL / min that should start dialysis. 15 to 60-year-old patients with good dialysis and safe, but due to the continuous improvement of dialysis technology and the emergence of new dialysis equipment, 70 years of age patients can also get good results.

Some patients with kidney disease after hemodialysis treatment, that hemodialysis has been the body of excess toxins removed, thus relaxing the restrictions on the diet. In fact, this is a wrong understanding.

One, free to drink water. Continuous hemodialysis in patients with chronic renal failure, the majority of 24-hour urine output is lower than normal. As the body is swollen now, doctors generally have to limit the daily water consumption of the patient. Once the hemodialysis, the symptoms have been alleviated, the patient is easy to relax vigilance, free drinking water. For patients with persistent hemodialysis of kidney disease, excessive body intake of water will lead to edema, increased blood pressure and heart failure and other complications. The body of the body in addition to drinking water, but also contains the patient in the day eating food, fruit and other intake of water, which many patients are not clear, blind diet, drinking water, and ultimately will lead to deterioration of their own kidney disease.

Second, high sodium, high potassium, high protein diet. During the treatment of renal failure to be limited salt diet, hemodialysis after the issue of the same need to pay attention. Continuous dialysis of renal insufficiency nephropathy patients, that they need regular hemodialysis, the body appears when the hemodialysis can solve the problem, the existence of excessive reliance on hemodialysis of this error understanding of the number of patients with kidney disease a lot. In fact, hemodialysis is only a temporary substitute for the role of kidney work, renal insufficiency nephropathy, especially in patients with oliguria, the body of sodium, blood potassium levels are high, severe high sodium On the safety of patients with a direct threat to the role.

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