Renal dialysis is supposed to help replace the functions of failed kidneys to discharge excessive water, electrolytes, metabolic wastes and toxins from the blood so as to help lower high creatinine, clear high blood urea nitrogen and purify the internal environment.
However in some cases, the patient’s creatinine level is still high or the creatinine is just temporarily lowered but will once again become high after a period of time. This usually does not happen to those that just begin dialysis treatment. It is more common among those that have been taking years’ maintenance dialysis.
Let me tell you the possible reasons of high creatinine after dialysis.
One reason is inadequate dialysis. Usually end stage renal disease patients need to have 3 times dialysis each week and each dialysis should last for 3-5 hours to ensure the adequacy of dialysis. If your creatinine can not be lowered after dialysis, report it to your doctor and have dialysis at more frequent intervals to see if this is effective.
If not, it can be another reason---the renal damages are too advanced and there are many other toxic substances that are much larger than creatinine and uric acid that can not be discharged by dialysis. Dialysis can only remove micromolecular wastes outside, but it can not clear larger ones some of which are even unknown to us and more dangerous than creatinine, blood urea nitrogen and uric acids. They will poison the kidneys and further worsen renal functions.
What is more, dialysis is just an artificial machine and it can not replace the full functions of kidneys, long term dialysis can cause a series of side effects and complications. Though dialysis can slow down illness progression and prolong life expectancy for patients, it can not change or reverse continuous renal damages and gradual decline of renal functions.
How to lower high creatinine when dialysis fails?
As has been mentioned above, you need first report it to the doctor to see if increasing duration or frequency of dialysis can help.
Another option is to combine dialysis with more advanced blood purification technologies such as plasma exchange, immune adsorption, blood perfusion, hemofiltration, etc.
The root treatment is to repair renal damages and gradually improve kidney functions. Only when renal functions are recovered can creatinine and other wasteful and toxic materials be discharged naturally.
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