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在慢性肾衰(CRF)进展过程中,尽管功能肾单位的数目逐渐(?),但在肾单位丧失70％～80％或肾小球滤过率(GFR)降至25ml/分以前,机体仍能保持水、电解质的平衡。随着残存肾单位的减少,GFR<10～25ml/分就可出现水和各种电解质平衡失调,临床上常见水、钠和钾紊乱。本文就其防治加以讨论。一、水代谢紊乱的防治(1) 摄水量:CRF因尿呈等张,每升尿液只能排至300(正常人排至1200)毫渗的溶质,每日尿量应保持在2000ml以上,才不会发生代谢产物滞留。故
In the progression of chronic renal failure (CRF), although the number of functional nephrons gradually (?), But the nephron loss of 70% to 80% or glomerular filtration rate (GFR) dropped to 25ml / min ago, the body Still maintain the balance of water and electrolyte. With the reduction of residual nephrons, GFR <10 ~ 25ml / min can appear imbalance of water and various electrolytes, clinically common water, sodium and potassium disorders. This article discusses its prevention and treatment. First, the prevention and treatment of water metabolism disorders (1) water intake: CRF was presented as isotonic urine, urine per liter of urine can only be discharged to 300 (normal to 1200) mm solute solute, daily urine output should be maintained above 2000ml , There will be no retention of metabolites. Therefore