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Can exercise cause protein (albumin) in urine?





Anon
  
I'm 32 years old and have had type 1 diabetes for only 1
year and no history of high blood pressure before or after
diagnosis (BP almost always in low 120's over high 60's /
low 70's). Upon diagnosis, my A1c was 7.3. Two weeks ago, it
was 5.0. During physical exams from previous years, I've
always had good blood chemistry, urine results, etc., except
for 2 separate times. The first instance of protein in urine
occured when I was about 16 years old and regularly doing
football practice, weight training, running, etc. The second
was two weeks ago, when I went to the doctor for all the
routine tests diabetics get. Everything was normal or
better, except the protein in urine part. I looked back at
my records of blood sugars and exercise and found that I had
ridden my bike and run for a total of about 2 hours during
the evening before I went in for the tests (no one told me
not to). I also realized that my blood sugar was low (whole
blood 48 mg/dL) at the time of the test. I informed the
doctor of both these facts and he has asked that I repeat
the urine test without any strenuous activity the day
before. 3 months prior to this exam, I did a work-related
physical with all good results for the urine and blood tests
- no protein, glucose, or ketones in the urine. I'll be
repeating the urine test next week.

In the mean time, I am still wondering what was the cause of
the protein in urine, which is very scary as it can be a
sign of kidney failure. From what I've read, the leading
causes of kidney failure, in order of prevalence are: (1)
high blood suger, (2) high blood pressure, (3) nephritis or
other causes. Since I have a very short history of bad blood
sugars and none of bad blood pressures, I strongly suspect
any kidney problems I may have are due to #3. Do the rest of
you agree, disagree, have any more info, recommendations,
etc.? If this is a bacterial or viral problem, I believe it
is urgent that I get it diagnosed and treated immediately.
Any info is greatly appreciated. Thanks.

anon.

Eldritch
  
anon wrote:

> From what I've read, the leading causes of kidney failure,
> in order of prevalence are: (1) high blood suger, (2) high
> blood pressure, (3) nephritis or other causes. Since I
> have a very short history of bad blood sugars and none of
> bad blood pressures, I strongly suspect any kidney
> problems I may have are due to #3. Do the rest of you
> agree, disagree, have any more info, recommendations,
> etc.? If this is a bacterial or viral problem, I believe
> it is urgent that I get it diagnosed and treated
> immediately. Any info is greatly appreciated. Thanks.
>
> anon.

I guess I agree with you. Protein in the urine is
a step toward serious kidney disease and you need
to get it checked out medically, which you seem to
be doing, and then treat it properly. However,
protein in the urine is an early symptom, so
there's no need to panic and probably plenty of
time to deal with it.

Also, from what you describe of your diabetic
history, Modestly elevated A1c, short duration since
diagnosis, etc., suggests that it's too early for
you to have diabetic nephropathy. So it makes sense
to suspect another cause.

Your A1c of 5.0 is excellent. Continuing good
control will be important to prevent diabetes from
contributing to the problem.

Good luck.

E

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