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Polycystic Kidney Disease& Kidney Cysts

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PKD & Kidney Cysts

Polycystic kidney disease (PKD) is a group of disorders that result from the formation and progressive enlargement of cysts in the kidneys without dysplasia, usually leading to renal failure.

What is the key standard to start dialysis in PKD

2017-07-11 10:03

What is the key standard to start dialysis in PKD

Many patients start to dialysis because of high creatinine, so, patients relate to dialysis with high creatinine level. Is that right? Can we only use high creatinine level to judge when to start dialysis?

Actually, it is not that way. High creatinine level is the second index to concern about dialysis. According there are many cysts in kidneys, PKD patients will start dialysis earlier. And, besides the serum creatinine level, eGFR is also taken into consideration to measure kidney conditions. That is why there are many patients with nephritic syndrome or nephritis start dialysis when their creatinine level is 800+, but some patients with PKD, Diabetic Nephropathy and Hypertensive Nephropathy start dialysis only when their creatinine level is 500+. Neither too early nor too late to start dialysis is good for kidney conditions. Let’s see the meaning of creatinine level and eGFR.

Will creatinine level correctly show the kidney function?

Well, it does not mean creatinine level equals to kidney function. We use creatinine level to measure kidney function is just because it is very convenient than eGFR. And of course, eGFR is much more correct than other methods.

We can get creatinine level through blood test, but eGFR, it needs a serious of examinations and cost a lot. It is common to use creatinine level to measure kidney functions in normal conditions, but once you start dialysis, or your kidney condition is not so good, most will turn to eGFR.

What is eGFR and which level to start dialysis?

eGFR is a figure to measure kidney condition, the most correct one. When the eGFR is decreased to 5%, you have to do dialysis, or when eGFR is between 5-10%, but you suffer from heart failure, hyperkalemia, oxidosis, dialysis is necessary too.

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