Photo by KEN GIGLIOTTI / WINNIPEG FREE PRESS Dr. Kriellaars, of Health Sciences Centre spinal cord research unit: one day there will be full recoveries. |
Dr. Dean Kriellaars of the Health Sciences Centre spinal cord research
unit is working to make sure they do.
An assistant professor of neurophysiology at the University of Manitoba medical
school and research fellow in the spinal cord unit, the 29-year-old
scientist is looking for ways to prevent five types of side effects from spinal
cord injuries.
Kriellaars says there's no doubt that in 30 to 50 years spinal cord injuries
will actually be healable and patients will make full recoveries.
"Long before that happens, however, we'll be able to give people back part of
their function through the therapeutic application of electrical
stimulation."
Kriellaars says such stimulation can only be useful if the movement it produces
is co-ordinated.
It takes sophisticated computers to control the quick pulses of 20 to 100
milliamperes going to a muscle about 20 times per second.
Kriellaars says the research would not have been possible until very recently
because huge banks of computers would have been needed to control electricity
and co-ordinate movement produced with it.
Advances in computer science now have made it possible to reduce the size of
control units to the point where patients will soon be able to carry the more
rudimentary instruments plus batteries on a belt.
At the end of this phase of research, carried out in close co-operation
with a spinal cord research unit in Edmonton, Kriellaars says there will be
three veritable triumphs of science and technology.
"Patients will be able to get up, walk and sit down."
The Health Sciences Centre spinal cord unit conducts its electrical stimulation
work on $400,000 over the next four years.
"If patients with spinal cord injuries paralysing them from the waist down are
ever to walk again, then they must have muscles adequate in size and strength,
must have bones strong enough to support their weight, must be free of deep
vein thrombosis and muscle spasms and must have a normal cardiovascular
system," Kriellaars says.
"That's what we are after, and we're making progress, even though we don't have
any spectacular success stories yet."
Five patients are on the stimulation program now. Stimulation of muscles starts
as soon as they have been stabilized after their original injury, usually
within three or four weeks into their four- to six-month hospital stay.
Kriellaars says about eight new patients qualify for the treatment in Manitoba
each year, but eventually dozens of spinal injury victims who have been
paralysed for longer periods may qualify, as long as they have the residual
muscle and bone strength necessary for electrical stimulation.
Spinal cord research electrifying
Doctors blend science, technology to get patients back on their feet
By Manfred Jager
Stimulation
The treatment: nerve generation and restoration of function through electrical
stimulation.
Excellence
The Winnipeg research is being supported under the National Centres of
Excellence program, an initiative financed jointly by the federal and
provincial governments and, in Winnipeg, by the Health Sciences Centre and the
University of Manitoba medical school.