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How to minimize stroke damage
Date:5/14/2012

MAYWOOD, Il. -- Following a stroke, factors as varied as blood sugar, body temperature and position in bed can affect patient outcomes, Loyola University Medical Center researchers report.

In a review article in the journal MedLink Neurology, first author Murray Flaster, MD, PhD and colleagues summarize the latest research on caring for ischemic stroke patients. (Most strokes are ischemic, meaning they are caused by blood clots.)

"The period immediately following an acute ischemic stroke is a time of significant risk," the Loyola neurologists write. "Meticulous attention to the care of the stroke patient during this time can prevent further neurologic injury and minimize common complications, optimizing the chance of functional recovery."

Stroke care has two main objectives minimizing injury to brain tissue and preventing and treating the many neurologic and medical complications that can occur just after a stroke.

The authors discuss the many complex factors that affect outcomes. For example, there is considerable evidence of a link between hyperglycemia (high blood sugar) and poor outcomes after stroke. The authors recommend strict blood sugar control, using frequent finger-stick glucose checks and aggressive insulin treatment.

For each 1 degree C increase in the body temperature of stroke patients, the risk of death or severe disability more than doubles. Therapeutic cooling has been shown to help cardiac arrest patients, and clinical trials are underway to determine whether such cooling could also help stroke patients. Until those trials are completed, the goal should be to keep normal temperatures (between 95.9 and 99.5 degrees F).

Position in bed also is important, because sitting upright decreases blood flow in the brain. A common practice is to keep the patient lying flat for 24 hours. If a patient has orthopnea (difficulty breathing while lying flat), the head of the bed should be kept at the lowest elevation the patient
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Contact: Jim Ritter
jritter@lumc.edu
708-216-2445
Loyola University Health System
Source:Eurekalert

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