| ISCHEMIC NEPHROPATHY: |
| Kidney disease due to chronic lack of blood supply to the kidneys |
| What is it? | What causes it? | What are the symptoms? | What is the Treatment? |
| Chronic Ischemic Nephropathy | Acute Ischemic Nephropathy |
To function properly, Kidneys need nutrients and oxygen, like any other organ. They obtain them through their blood supply. When such blood supply to the Kidneys is insufficient, kidneys are unable to function well. This condition is called Ischemic-Nephropathy.
Some of the causes of Ischemic Nephropathy are:
1. Partial Blockage of the large Blood Vessels supplying
the blood to the Kidneys (Renal Arteries) usually due
to Cholesterol deposition in the walls of the blood vessels
or scarring of the blood vessels
2. Multiple blockages of smaller blood vessels within the
kidneys due to causes mentioned in 1.
3. Hardening of the millions of smallest blood vessels within
the kidneys (Atherosclerosis / Nephrosclerosis)
SYMPTOMS:
Ischemic Nephropathy (IN) could develop over a period of several years (chronic) or could
occur suddenly (acute). The symptoms of IN will depend on whether it is of chronic
type or of acute onset.
1. No symptoms at all or one or more of the following symptoms
2. Symptoms related to proteinuria
3. Symptoms related Chronic
Renal Failure
1. Patients are usually severely ill. The severity of the illness
is to a great part due to the condition that cause the Acute IN.
The conditions that predispose Acute IN are:
a. Following surgeries on blood vessels esp Aorta like repair of
Aortic aneurysms. (Cholesterol Emboli)
b. Blood clots into the Kidneys
c. Trauma to the Renal Arteries
2. In addition to the symptoms related to the above predisposing conditions
Acute IN could cause:
a. No symptoms at all and only abnormal blood tests, or one or more
of the following symptoms
b. Severe loin pain on one or both sides
c. Hematuria (blood in the urine) that may or may not
be
visible to the naked eye
d. Fever and chills
e. Any or all of the symptoms of Acute Renal Failure
A. ACUTE ISCHEMIC NEPHROPATHY:
The treatment usually depends on the cause of the acute IN. Sudden blockage
of the blood vessels to the kidneys need to be removed if possible. This might
involve
i. angiograms (X-ray of the blood vessels)
ii. Dissolving the clot with medications (Thrombolysis) which
is usually done at X-ray department
iii. Removal of the clot Surgically
(Most of the time, the severe illness of the patient does not permit
any of the above measures)
B. CHRONIC ISCHEMIC NEPHROPATHY:
1. angiograms (X-ray of the blood vessels)
2. Angioplasty (Done in X-ray department where the blocked
blood vessel is dilated with a balloon)
3. Under certain circumstances after dilating the blood vessel
as above, a stent could be inserted. (Stent = a plastic or metal tube
inserted within the blood vessel so that the blood vessel will
remain open and will not close again)
4. Surgical repair of the blood vessel
5. If several very small blood vessels within the kidneys are
involved, then no satisfactory treatment is available.
6. Other concomitant treatments include
i. treatment of
proteinuria
ii. treatment of Chronic
Renal Failure
iii. treatment of Hypertension
iv. treatment of high Cholesterol (Hyperlipidemia)