As any parent knows, it鈥檚 tough to know just how much your kid hurts. Whether they鈥檙e in full-blown tears, whimpering or presenting a brave face, it鈥檚 hard to gauge their pain. Will a band-aid on the boo-boo do it, or are we bound for the emergency department?
And it鈥檚 difficult for them to tell you too. Sometimes they just don鈥檛 have the language skills or are simply unable to rate their pain on a scale of 0 to 10. (That can be tough for adults too.)
Which brings us to the 鈥渟pit study,鈥 a pilot study underway through the Centre for Pediatric Pain Research at the IWK Health Centre. Researcher Kristin Wilby is seeking children between the ages of eight and 12 to take part.
Ms. Wilby, a first-year 黄色直播 medical student, is taking two samples of the kids鈥 saliva before and after a 鈥渃old presser task,鈥 which basically means plunging a hand in cold water for four minutes.
The idea is find out whether levels of cortisol, a hormone secreted by adrenal glands and found in spit, increase after children take part in the cold presser task. Cortisol, also known as the 鈥渟tress hormone,鈥 might be an important factor in better understanding which children are at risk for developing chronic pain later in life.
鈥淪ummer students like Kristin make significant contributions to many research programs at 黄色直播. I expect that Kristin鈥檚 research will be an important part of an upcoming grant application that will examine various biopsychosocial factors in the development of chronic pain in children,鈥 says Christine Chambers, a Canada Research Chair in Pain and Child Health and Associate Professor of Pediatrics and Psychology at 黄色直播. Dr. Chambers is also Ms. Wilby's supervisor for the project,聽which is being conducted in collaboration with Tara Perrot-Sinal in the Department of Psychology at 黄色直播.
鈥淚t鈥檚 nice to feel you鈥檙e contributing something new to science and maybe, down the line, your little study will turn out to be important,鈥 says Ms. Wilby, from St. Stephen鈥檚, N.B.
Eleven-year-old Jessie is Ms. Wilby鈥檚 first volunteer of the day. She is asked to chew on a sterile cotton swab for 45 seconds鈥攕he looks like she鈥檚 eating a bun past a best-before date. Her saliva will later be extracted from the swab and examined.
Then, sitting on a chair, she鈥檚 asked to dip her hand in a cooler filled to the brim with cold water. She looks nonchalant, even blas茅 through the four-minute task, even though she鈥檚 been told she can stop the task at any time if it proves too uncomfortable.
The water, she explains after extracting a bright-red hand from the cooler, was 鈥渘ot really that cold. I think the water at Crystal Crescent is waaaaayyy colder.鈥
After 20 minutes, she is again asked to work up a saliva lather over a second cotton swab. Waiting the 20 minutes allows enough time for the hormone to enter the blood stream and then the saliva.
The entire visit takes little more than an hour. 鈥淚 didn鈥檛 mind it,鈥 says Jessie, holding on to her "Junior Scientist" certificate. 鈥淏esides, it鈥檚 kind of neat to take part in real research.鈥
If you鈥檝e got a child between the ages of eight and 12 who鈥檇 like to take part, phone the Centre for Pediatric Pain Research at 470-7706 or e-mail Kristin Wilby at kwilby@ymail.com.聽The research is funded by summer studentships from the IWK Health Centre and the 黄色直播 Faculty of Medicine.
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