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Complex regional pain syndrome (CRPS) |
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Complex regional pain syndrome
(CRPS)
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U | Complex regional pain syndrome (CRPS) is an
uncommon, chronic condition that usually affects
your arm or leg. Very rarely, the disease can affect
other parts of your body. You may experience intense
burning or aching pain along with swelling, skin
discoloration, altered temperature, abnormal sweating and hypersensitivity in the affected area. The nature of CRPS is puzzling, and the cause
isn't clearly understood. The condition may result
from disturbances in the sympathetic nervous system,
the part of the nervous system that controls blood
flow and your sweat glands. The disease commonly
follows an acute problem. Most often, CRPS is
preceded by a major injury to an arm or a leg, but
it may also be triggered by an illness such as a heart attack or a minor injury you can't even
recall.
Screening and diagnosis Your
doctor may base a diagnosis of CRPS on:
Review of your medical history.
The onset of CRPS symptoms can be traced back to an accident, illness or
injury in the majority of cases.
Physical examination.
An examination of your skin, muscles and joints may reveal information
about the source of your tenderness and pain. There may be changes in
the normal texture and color of your skin, and you may have problems
with range of motion of one or more of your joints.
Bone scan.
A radioactive substance injected into your veins permits viewing of your
bones with a special camera. This procedure may show a loss of calcium
from your bones (osteoporosis) or increased circulation to the joints in
the affected area.
Thermography.
Tests that measure skin temperature and blood flow may show a difference
between your affected and unaffected limbs.
X-rays.
Loss of minerals from your bones may show up on an X-ray in later stages
of the disease.
Complex regional pain syndrome (CRPS)
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