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Discussion on Kidney problems
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Member:
pierre
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Posted on Wednesday, Apr 29, 2009 - 8:57 am:
Dr. Oglesby, Pls refer to posted comments frm me chris m a & pierre (me)(robins emails)starting last fall. I am attaching a chart of the lab work we have run on my filly as of this month. Also her specific gravity has run abt 0.01, not spilling protein and no bacteria in urine. I am still assuming kidney issues. would be interested in your thoughts on her lab work. She turned two years on 3/15/09, stands 15'3, looks like she is in training for the race track. happy and full of energy. Is race bred. Not skinny, just looks extremely fit, altho i have not been working her at all. she has been in on hay and grain all winter. My vet advices that doing lots of kidney ultrasound is pouring money into black hole, as will not change outcome of kidney damage. I just want to be sure we are not missing something that should be addressed that would allow her to survive longer or even barking up wrong tree. Thanx.
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Moderator:
DrO
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Posted on Thursday, Apr 30, 2009 - 5:39 am:
Hello chris m a,
I will presume the urine specific gravity should be 1.01. This is a low normal value and important because the kidneys loose their ability to concentrate before they loose their ability to filter out BUN and Cr. It is suggestive that your past moderate and current slight azotemia may be of prerenal origin.
To further pursue this I think the next logical step would be to run a water deprivation test to see if the kidneys can further concentrate urine. You will find a description in Diseases of Horses » Urinary System » Excessive Drinking and Urination, Polydipsia / Polyuria (PD/PU).
DrO
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Member:
pierre
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Posted on Thursday, Apr 30, 2009 - 8:37 am:
Actually, the specific gravity is as you read it. .01. The color of her urine is a clear yellow. My other mare has milky colored urine. We have not done a specific gravity w/inl last several months, but i do know that the appearance of urine has not changed. Am working to get urine frm her now and then will be checking it again. So you did read it right. .01. If you review this info frm very beginning when i first stepped in on robins email, there was an initial illness end of aug/08 that i described in an attachment. We treated her for 4 days w banamine for whatever that initial illness was. Symptoms were listed in my attachment frm earlier in robins email. What do you mean "prerenal" origin? I have discussed water deprivation w a vet last fall. Will review your piece on it.
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Moderator:
DrO
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Posted on Friday, May 1, 2009 - 9:52 am:
If you will post the history in here it will be easier to reference chris.
That would mean the urine is 100 times lighter than water chris, so unless your horses urine is a gas .01 would not seem likely. The article on renal failure explains the 3 causes of azotemia: prerenal, renal, and post renal, see Diseases of Horses » Urinary System » Kidney Disease and Failure in the Horse.
DrO
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Member:
pierre
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Posted on Friday, May 1, 2009 - 10:32 am:
Dr.O, you are so patient w me. I will recheck the urine report. And i will reread the info. THEN.... i will send my questions in. Thank you.
And i will post hx in this line of conversation.
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lab work