The principle of dialysis is to diffuse molecules into cells through a semipermeable membrane and displace toxins from the cells. It is a very common treatment method in medicine, but this method is not suitable for everyone. It can be used to treat uremia and kidney failure, but normal people cannot undergo dialysis because dialysis will bring certain side effects to the body and is very harmful to your health, so don't try it lightly. Let me give you a detailed introduction below. Dialysis is a separation and purification technology that separates small molecules from biomacromolecules by the principle of small molecules diffusing into water (or buffer) through a semipermeable membrane. Dialysis therapy is a treatment method that allows components (solutes or water) in body fluids to be excreted from the body through a semipermeable membrane. It can generally be divided into hemodialysis and peritoneal dialysis. A treatment method that allows components (solutes or water) in body fluids to be excreted from the body through a semipermeable membrane. It is often used in cases of acute or chronic renal failure, accumulation of drugs or other poisons in the body. Commonly used dialysis methods include hemodialysis and peritoneal dialysis. Indications for hemodialysis include: ① Acute renal failure. ②Acute drug or poison poisoning. ③Chronic renal failure. ④ Those whose transplanted kidney is non-functional due to renal failure before transplantation or rejection reaction after transplantation. ⑤Other diseases (liver failure, schizophrenia, psoriasis, etc.). Relative contraindications to hemodialysis include: ① Patients with extremely critical conditions, hypotension, and shock. ② Those with severe sepsis. ③ Patients with severe myocardial insufficiency or coronary heart disease. ④ Within 3 days after major surgery. ⑤ Those with severe bleeding tendency, cerebral hemorrhage and severe anemia. ⑥ Mentally ill and uncooperative people. ⑦ Patients with malignant tumors. Generally, patients need hemodialysis three times a week, each time for 4 to 5 hours. Start early Dialysis can help correct irreversible organ damage and metabolic disorders caused by excessive accumulation of toxins. Dialysis should be started when the creatinine clearance rate drops to 10-12 mL/min. Dialysis is effective and safe for patients aged 15 to 60 years old, but due to the continuous improvement of dialysis technology and the emergence of new dialysis equipment, patients over 70 years old can also achieve good results. In order to ensure the quality of life of dialysis patients and improve the recovery rate, hemodialysis patients should ensure a daily protein intake of 1.0-1.2 g/kg and 146.3 kilojoules/kg. At the same time, they should take in enough water-soluble vitamins and trace elements to make up for the amount lost during dialysis. The 5-year survival rate of dialysis patients reported by different countries varies, ranging from about 50% to 80%. There are also reports of 10-year survival rates exceeding 50%. |
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