Located in the San Fernando Valley, 16907 San Fernando Mission Blvd. Granada Hills Ca, 818-363-8143
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CHRONIC KIDNEY DISEASE IN THE CAT “Chronic Kidney
Failure” is the term given to the condition wherein the kidneys begin to fail
to remove the body’s waste products from the blood.
Kidney failure does not necessarily mean urine excretion ceases.
Kidney failure takes two clinical forms: 1.
Urine production is continued, but
does not contain the filtered waste products.
Often urine production is actually increased. 2.
Urine production is decreased or is
totally absent. Kidney failure may occur
from exposure to various chemicals or infectious agents, but the primary
cause of CHRONIC kidney failure is the process of aging.
The kidneys just wear out! For
most cats, the early signs of impending kidney failure occur at 10-14 years of
age. Early
signs of chronic kidney failure include increased water consumption and
increased urine production.
When aging decreases the ability of the kidneys to filter the blood
efficiently and effectively, the cat’s body responds by increasing blood flow
to the kidneys. More blood flow
means more potential exposure of the blood to the kidneys for filtration.
This results in the production of more urine, but not necessarily filled
with any more waste products. Thirst
usually increases as the body’s way of replacing the additional urine being
drained from the body. As the
kidneys become more ineffective at removing the waste products from the body,
clinical signs of decreased appetite, vomiting, diarrhea, and bad breath become
evident. In the late stages, mouth
ulcers are commonly present. DIAGNOSIS
OF CHRONIC KIDNEY FAILURE is
accomplished by several tests. The
first evidence of chronic kidney failure will be changes in the composition of
the urine. Chemical analysis,
measurement of specific gravity, and urine sediment examination are important in
the evaluation of the urine. As the
disease progresses, blood tests to measure the blood urea nitrogen (BUN) and
blood creatinine become important diagnostic tools. SUCCESSFUL
TREATMENT REQUIRES EARLY DETECTION.
The earlier signs of kidney failure are noted, the better chance for
prolonging the cat’s quality life. The
best treatment would be a kidney transplant!
However, since that is not yet practical, treatment is directed at
helping the kidneys “catch up” with its function of filtering the blood for
the body. This is accomplished
through the administration of large quantities of intravenous fluids to “flush
out” the blood, by running a lot more fluid through the kidney filtration
system. The body can still function
adequately with only 10% active functioning kidney tissue.
If the kidneys can be helped to “catch up,” hopefully they can then
maintain adequate filtration with the help of medications.
This initial treatment may result in long-term kidney function,
short-term functioning before problems return again, or no improvement at all.
Unfortunately, there is no test to determine which cat will or will not
respond to treatment. If initial treatment is
successful, recommendations will be made to keep the kidneys functioning as long
as possible. The recommendations may
include: 1.
High quality, low protein diets. 2.
Potassium supplementation. 3.
Phosphate binders. 4.
Additional oral or parental fluids. 5.
Drugs to stimulate bone marrow
production. Aggressive treatment can add
up to 3-4 years to the life of a cat.
16907 San Fernando Mission Blvd. Granada Hills, Ca. 91344 818-363-8143
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