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GFR dropped 5 more points and I don't know why.

Kidney & Bladder | Last Active: Aug 31 9:03am | Replies (132)

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@windyshores

@gingerw as I wrote, my nephrologist wants me to INCREASE salt and protein. I have low blood pressure which can affect the filtration rate (as can a low cardiac ejection fraction, which was checked and I do not have). I was told to eat salt to raise my blood pressure and also that more protein ramps up filtration. My friend with very low eGFR is astounded. In addition, losing weight and muscle mass can lower the creatinine eGFR when the Cystatin C is stable. So it is more complicated and more individual than the standard advice would suggest.

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Replies to "@gingerw as I wrote, my nephrologist wants me to INCREASE salt and protein. I have low..."

@windyshores Your situation underlines exactly what we are saying in these forums, where we may deal with similar health concerns, but each of us is unique. I do question the idea of protein ramping up filtration. From Mayo Clinic: https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/expert-answers/high-protein-diets/faq-20058207

And from DaVita Kidney Care about protein: https://www.davita.com/diet-nutrition/articles/basics/dietary-protein-and-chronic-kidney-disease
Ginger

That said, my heart is fine and a lot of the time my blood pressure is too. Tests on muscle enzymes show no loss of muscle mass. I tested with a high positive antibody for scleroderma so was concerned about eGFR dropping to 36 from 55. Cystatin C is reassuring, About to try 20% dose of Reclast after finishing Tymlos for bones and nephrologist is very nervous. But I am not sure I actually am having kidney issues!