HEALTHY LIVING
IN THE CUMBERLANDS
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Healthy Living | Spring Issue | 2018 39
Brain imaging advances are helping
doctors better treat patients
who have a stroke.
The most common types of
strokes are caused by a clot that
blocks a blood vessel in the brain.
These are called ischemic strokes.
Strokes are a medical emergency.
When blood can’t deliver
nutrients and oxygen, the brain
tissue in the area begins to die.
Doctors must restore blood flow
to the brain as fast as possible to
lessen the damage.
Certain drugs, surgery, and
other methods can restore blood
flow. Surgery to remove a blockage,
called a thrombectomy, was
approved for up to six hours after
a stroke. A research team tested
whether it could help for up to
16 hours after a stroke.
Using a brain imaging technology
called perfusion imaging,
they identified 182 patients who
might benefit from clot-removing
surgery between 6 and 16
hours after a stroke. About half
the patients were randomly chosen
to have clot-removing surgery.
The other half had the standard
medical treatment.
Patients who had the surgery
were less likely to die. They were
also likely to be more independent
after their recovery. NIH
ended the study early because of
the success of the surgery.
“These striking results will
have an immediate impact and
save people from life-long disability
or death,” says Dr. Walter
Koroshetz, director of NIH’s
National Institute of Neurological
Disorders and Stroke. After
the study’s results were released,
the American Heart Association
and American Stroke Association
issued new stroke treatment
guidelines.
SURGERY MAY HELP MORE
PEOPLE AFTER STROKE
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