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Urology (Expert Forum)
Kidney health and diet
Answered by
Kevin Pho, MD - Internal Medicine
KevinMD.com
Questions in the Urology forum are answered by Dr. Stephen Liroff, affiliated with the Henry Ford Hospital. Topics covered include benign prostate disease, penis curvature, cystisis, kidney stones, pediatric urology, prostate, sexual dysfunction, urinary tract infections (UTI), and urological cancers.
Kidney health and diet
by osiag, Oct 10, 2005 12:00AM
Assume one is in the very earliest stages of kidney disease. GFR ~ 80. What kind of dietary ristrictions should be followed? At what point is it necessary to reduce dietary phoshorus, potassium and salt? What levels should they be reduced to? Is this for the purpose of maintaining normal blood levels of such or is it to reduce stress on the kidneys? What is the amount of protein restriction? Also, are magnesium supplements harmful to the kidneys? Or is it just that someone with impaired kidneys may run into a problem. Are there any vitamins and minerals, if so at what dose?
Doctor's Answer
by Kevin Pho, MD, Oct 11, 2005 12:00AM
, Oct 11, 2005 12:00AM
To answer your questions:
1) Abnormalities in these electrolytes can occur in kidney disease. Obtaining serum levels of these electrolytes and adjusting intake based on abnormal values would be reasonable.
2) If the levels are abnormal, they should be monitored and adjustments made until the reach a normal range.
3) Abnormal levels of these electrolytes can have negative effects on other organs (i.e. the heart).
4) Protein restriction (i.e. 0.8 to 1.0 g/kg per day) can help in more advanced chronic kidney disease. The most effective way to prevent further disease is control of diabetes (if present) and blood pressure.
5) Magnesium supplements in chronic renal failure can lead to magnesium toxicity.
I am not aware of vitamins or minerals that would play a preventive role in kidney disease.
These questions should be discussed with your personal physician.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
http://www.straightfromthedoc.com
1) Abnormalities in these electrolytes can occur in kidney disease. Obtaining serum levels of these electrolytes and adjusting intake based on abnormal values would be reasonable.
2) If the levels are abnormal, they should be monitored and adjustments made until the reach a normal range.
3) Abnormal levels of these electrolytes can have negative effects on other organs (i.e. the heart).
4) Protein restriction (i.e. 0.8 to 1.0 g/kg per day) can help in more advanced chronic kidney disease. The most effective way to prevent further disease is control of diabetes (if present) and blood pressure.
5) Magnesium supplements in chronic renal failure can lead to magnesium toxicity.
I am not aware of vitamins or minerals that would play a preventive role in kidney disease.
These questions should be discussed with your personal physician.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
http://www.straightfromthedoc.com
