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The hours and days following treatment of acute stroke
are critical to a patient’s survival and prognosis
for recovery without disability. In fact, a patient’s
condition may remain life-threatening for weeks, depending
on the type and severity of the stroke. Emergency intervention
– fixing the immediate problem causing the acute
stroke (such as removing the blockage or repairing the
burst aneurysm) — accounts for just 30 percent of
a patient’s chances for survival.
The main goals during the critical care and recovery
period are to keep unaffected portions of the brain
from becoming damaged and to prevent complications —
any of which could prove life threatening. This phase
of treatment requires the specialized skills of neuro-intensivists
— doctors, nurses and other staff specially trained
in managing the unique stabilization needs of brain
trauma patients and the host of complications that can
develop.

Neuro-intensive care units with dedicated neuro-ICU
staff provide the best environment for stroke patients
following an acute attack. Management of blood pressure,
oxygenation, body temperature, nutrition and fluids
are critical. Brain swelling is a common problem and
the pressure it causes on normal tissue can lead to
further cell damage. To get stroke victims safely past
the swelling, medication can lower metabolism and oxygen
requirements. Early studies suggest that reducing brain
temperature (hypothermia) can also help.
Infection control is also a major consideration at
this juncture. For example, patients who must be on
a ventilator are at particular risk for “aspiration
pneumonia,” inflammation of the lungs due to invasion
of bacteria. Patients requiring urinary catheterization
are at risk for urinary tract infection.
Patients in the ICU are closely monitored around the
clock and receive appropriate preventive or interventional
therapies — including drug treatment and endovascular/surgical
procedures. The time factor remains critical here. All
action is taken promptly and accurately.

Part of the critical care and recovery process includes
a comprehensive stroke evaluation to determine the factors
that contributed to the patient’s stroke. This
will allow for a treatment plan to eliminate or modify
those factors.
For example, if the patient suffered an ischemic stroke,
the team will want to determine the source of the clot.
Only 20 percent of ischemic strokes are caused by a
blockage originating in the brain; the remaining 80
percent are attributable to a cardiac embolism. Brain
scans taken during the acute treatment phase will not
reveal this source. Consequently, additional tests will
be required during critical care and recovery.

Some sort of rehabilitation generally starts within
24 hours of the patient’s admission. The extent
of the therapy depends on the severity of the patient’s
condition. At its simplest and earliest, rehab is useful
in preventing some of the complications that may develop
while the patient is in critical care. For example,
patients with limited or no movement may develop muscle
contracture, arthritis, frozen joints and other problems
of immobility.
For patients who are farther along, physical, occupational
and/or speech therapy may be initiated as well.

Some comprehensive stroke centers may have a special
stroke “step down” unit for patients who
have been stabilized, can breathe on their own, and
no longer require the intensive level of care provided
in the neuro-ICU. The level of care provided in such
units, however, still exceeds that provided in a traditional
inpatient setting, and the staff have the specialized
training and experience in neuro-intensive care.
The focus in step-down is on round-the-clock monitoring
to ensure that the patient remains stable and can eventually
be moved to the most appropriate destination for recovery
and rehabilitation. A specialized step-down unit can
detect even the smallest changes in a stroke patient’s
condition and the patient can quickly be returned to
the neuro-ICU if necessary.
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