My Grandfather has CKD. Usually his baseline creatinine is 2.7. Sometimes his creatinine goes as high as 3.5. Sometimes it goes back to 2.7. He has ureteral stents inside to protect his kidneys from a blockage and hydronephrosis. He’s had his latest stents in since Dec 2016. Scheduled to have them replaced this month. Latest labs shows creatinine gone up again to 3.4. Could this be from the stents being in too long this time? They’ve been in this time about five months. Or is it something else? What can my Grandfather do to get his creatinine back to baseline? Can a fresh stent replacement this month cause the creatinine to go down again? Or will creatinine rise higher?

Long term ureteral stents are commonly changed every 3 to 6 months.  This is a procedure performed by a urologist.  This is done to prevent the build up of scale and calcium on the stents that may cause further blockage of the kidneys.  I am unable to predict the result of stent change.  In this case, the only thing that can be done is to change the stents regularly and monitor the kidney function to make sure the blockage does not recur.

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