Creatine is a nitrogenous organic acid that is naturally produced in the
human body where it is primarily stored in the muscles to supply energy to the
body’s cells. When creatine is metabolized, creatinine is produced and
eliminated from the body through the kidneys. When kidneys aren’t functioning
well, levels of creatine in the body is increased causing problems.
Higher serum levels of creatinine indicate kidney damage or failure. For
this, your doctor will prescribe a renal diet. As your kidneys' workload is
lightened and the rate of damage slows, your creatinine levels will become
lower. Renal diets focus on controlling protein, potassium, phosphorus, sodium
and liquids.
Protein
Chicken dinner
Your body uses protein to build and repair tissues and muscles and to fight
off infection. When protein is broken down, like any other food, it produces
certain waste products. One of these is urea, which damaged kidneys have trouble
filtering out of the bloodstream. Most renal diets require you to monitor and
limit your protein intake. Your doctor, dietitian or nutritionist will tell you
how much and what types of protein you can consume. You will probably be allowed
certain amounts of complete proteins from animal sources (lean beef and chicken,
for example) and certain amounts of incomplete proteins from plant sources
(beans and lentils).
Potassium
When your kidneys aren't working well, your potassium levels can become too
high. This can be serious and even cause sudden heart failure. Potassium is
found in many foods, and you must carefully monitor your potassium intake on a
renal diet. You may be asked to limit or eliminate leafy green vegetables,
broccoli, bananas, potatoes, oranges and apricots, all of which are high in
potassium, and encouraged to choose lower potassium foods including cucumbers,
carrots, lettuce, apples, cranberries, grapes and rice.
Phosphorus
Your body uses phosphorus and calcium to keep your bones strong and to keep
your muscles and nerves working normally. Calcium and phosphorus must remain in
balance. When you have kidney damage, your body has trouble maintaining this
balance. You often end up with too little calcium and too much phosphorus. Your
body then steals calcium from your bones to try to restore the proper balance,
and your bones become weak and brittle. You may also experience pain in your
bones and joints and itchy skin. Foods that are high in phosphorus include
sardines, cola, nuts, cheese, liver, peanut butter and beer. You may also be
asked to avoid eggs and dairy products.
Sodium
We need sodium, but most of us consume far more than we need. Avoid foods
with added salt, including nuts, bacon, pickles, olives, sauerkraut and luncheon
meats. Watch out for salt in processed food products including canned soup,
canned vegetables, sauce mixes and bouillon cubes. Carefully monitor the amount
of sodium you consume. Controlling your salt intake may also make it easier for
you to control your fluid intake.
Fluid
When your kidneys aren't working properly, they have problems removing excess
fluid from your body. Your doctor may limit your fluid intake to prevent high
blood pressure, swelling and shortness of breath. Remember to include soup, ice,
ice cream, sherbet and gelatin in your fluid intake.
If you want such a detailed list suitable for yourself, you can consult the
online doctor or leave a message to us, and we are glad to give some
suggestions.
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