November 2018


Congratulations to the current PERC Chair, Dr. Stephen Freedman, et al. who have had their study “Multicenter Trial of a Combination Probiotic for Children with Gastroenteritis” published in the prestigious New England Journal of Medicine today. Citation and link to the journal article below:

Stephen B Freedman MDCM, Sarah Williamson-Urquhart B.Sc.Kin, Ken J Farion MD, Serge Gouin MDCM, Andrew R Willan Ph.D, Naveen Poonai MD, Katrina Hurley MD, Philip M Sherman MD, Yaron Finkelstein MD, Bonita E Lee MD, Xiao-Li Pang Ph.d, Linda Chui Ph.d, David Schnadower MD MPH, Jianling Xie MD MPH, Mark Gorelick MD and Suzanne Schuh MD for the PERC PROGUT Trial Group.


The six PERC sites that were involved in the study were Alberta Children’s Hospital, Sick Kids, London, IWK, CHEO and Ste. Justine.


See below for the media coverage links:


Canadian Media Coverage:



International Media Coverage:








United Kingdom:



PERC Site Coverage:


Calgary – 


Toronto –



Great work everyone on this ground breaking study on probiotics for children with gastroenteritis!


Be sure to follow the PERC network here on Twitter for the latest updates and further knowledge translation on PERC studies – twitter handle: @PERC_Network. If you have any successes, relevant information or other PERC publications you would like shared on social media, feel free to send them to the PERC Coordinator, Becky Emerton (, we would be happy to tweet about them with our ever-growing following.



Dr. Roger Zemek

Congratulations to Roger Zemek and team for their publication on the derivation and validation of a clinical risk score for persistent postconcussion symptoms. This important study received the attention of the Federal Health Minister (Jane Philpott), and we are told that ‘PERC’ was mentioned as a main contributor to the study’s success!


Great work everyone on this ground breaking study on concussion. Citation and media links below.


Zemek R, Barrowman N, Freedman SB, Gravel J, Gagnon I, McGahern C, Aglipay M, Sangha G, Boutis K, Beer D, Craig W, Burns E, Farion K, Mikrogianakis A, Barlow K, Dubrovsky AS, Meeuwisse W, Gioia G, Meehan WP, Beauchamp M, Kamil Y, Grool AM, Hoshizaki B, Anderson P, Brooks BL, Yeates KO, Vassilyadi M, Klassen T, Keightley M, Richer L, DeMatteo C, Osmond MH, for the PERC Concussion Team. 


Clinical risk score for persistent postconcussion symptoms among children with acute concussion in the ED. JAMA 2016;315(10):1014-1025.


CTV News



Global News



  Visit the link below to view synopsis

  Visit the link below to view synopsis

  Pediatric Emergency Research Canada (PERC) is a network of health care professionals

Alberta Children's Hospital
Cubicle: C4-636-07
28 Oki Drive NW
Calgary,  Alberta , Canada
T3B 6A8

phone: 403-955-7762

 follow PERC_Network on Twitter

Developer Information:

Copyright © 2020 All Rights Reserved