My husband donated one kidney to a family member a year ago. On his post surgery blood work, his creatinine came back slightly over the average baseline I believe it was 1.3 mg/dL . His surgeon informed us it was higher than they would like but didn’t feel it was a significant concern at the time. They continued to monitor my husbands levels. However in between that time we had to switch providers / specialists, his new specialist has his blood work and test from pre ad post surgery and they feel the creatinine level is high signifying he has CKD . Are there books or articles to help us better understand this, should we be concerned that he has a high risk of renal failure? We are going to change our diet and adjust it where need be but as his support system. I just don’t know where to begin and which diet to follow?

Since your husband has had one kidney removed, he should have a decline in his total kidney function reflecting the loss of one-half of his kidney function.  This can lead to a rise in his serum creatinine.  This may be normal for him with a single kidney.  A creatinine of 1.3 milligrams per deciliter (mg/dl) is about what I would expect for a single kidney.  For patients with a single kidney, I recommend a DASH diet.  You can review the DASH diet at: https://www.nhlbi.nih.gov/health/health-topics/topics/dash

I recommend that your husband have blood and urine testing for protein, blood and infection annually.  This should be done by his regular primary care physician.  He does qualify as chronic kidney disease (CKD) only because he has had one kidney removed, but this does not mean he will progress with his CKD.  I suggest continued monitoring and if there is progression, then referral to a nephrologist may be necessary.

 

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