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Low eGFR (66) and high CK (470). Can be fixed?

December 22nd, 2010
Hi guys.

I am a 29 year old male elite athlete (track sprint / crossfit / weights) who trains very hard every day. This week I got a blood test to check all my levels. Got a call from my doctor to go in and chat. He said I have bad muscle breakdown, evident by my CK levels of 470 (should be below 170). He says that as a result of this, and being very dehydrated, my kidney function (eGFR) result was quite low, at 66. I have been training very hard lately with a mixture of sprint training, weights and crossfit training).

My question is.... Now that I have been ordered to rest, and drink a whole lot of water to flush the muscle breakdown out of my system, is it likely that my kidney function eGFR result will go back up to more normal levels? I am scared that I have permanent damage.

Many thanks in advance!

Scott
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replied February 5th, 2011
Hello, and thanks for your medical question on E Health Forum. I am glad that I can help you.

The decrease in your GFR is very mild and has occurred due to dehydration.

GFR within the range of 60-90 is considered to be mild reduction in GFR. GFR in the range of 90-130 is considered to be normal.

Once adequate hydration and rest is provided, and as the metabolites of muscle breakdown are excreted, your kidney functions will return to normal levels. This does not result into any form of permanent kidney damage.

I hope this helps.




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