Post A, Hoshizaki TB, Gilchrist MD, Koncan D, Dawson L, Chen W, Ledoux AA, Zemek R for the Pediatric Emergency Research Canada (PERC) 5P Concussion team

Journal of Neurosurgery: Pediatrics. 2017 Apr;19(4):502-510

Annual and Seasonal Trends in Ambulatory Visits for Pediatric Concussion in Ontario between 2003 and 2013.

Zemek R, Grool AM, Rodriguez Dugue D, DeMatteo C, Rothman L, Benchimol EI, Guttmann A, Macpherson A

The Journal of Pediatrics. 2017 Feb;181:222-228.e2

Advancing Concussion Assessment in Pediatrics (A-CAP): a prospective, concurrent cohort, longitudinal study of mild traumatic brain injury in children: protocol study. 

Yeates KO, Beauchamp M, Craig W, Doan Q, Zemek R, Bjornson B, Gravel J, Mikrogianakis A, Goodyear B, Abdeen N, Beaulieu C, Dehaes M, Deschenes S, Harris A, Lebel C, Lamont R, Williamson T, Barlow KM, Bernier F, Brooks BL, Emery C, Freedman SB, Kowalski K, Mrklas K, Tomfohr-Madsen L, Schneider KJ on behalf of Pediatric Emergency Research (PERC). 

BJM Open. 2017 Jul 13;7(7):e017012.

Association between ondansetron use and symptom persistence in children with concussions: A 5P substudy.

Gravel J, Boutis K, Tang K, Beauchamp MH, Freedman SB, Dubrovsky AS, Gagnon I, Momoli F, Zemek R.

CJEM. 2019 Mar;21(2):204-210. doi: 10.1017/cem.2018.384. Epub 2018 Jun 7.

PMID: 29877168

Association Between Preinjury Symptoms and Postconcussion Symptoms at 4 Weeks in Youth.

Ledoux AA, Tang K, Gagnon I, Osmond MH, Yeates KO, Healey K, Gioia GA, Zemek RL; Pediatric Emergency Research Canada (PERC) Concussion Team.

J Head Trauma Rehabil. 2022 Mar-Apr 01;37(2):E90-E101. doi: 10.1097/HTR.0000000000000681.

PMID: 33935222

Association Between Early Participation in Physical Activity Following Acute Concussion and Persistent Postconcussive Symptoms in Children and Adolescents.

Grool AM, Aglipay M, Momoli F, Meehan WP 3rd, Freedman SB, Yeates KO, Gravel J, Gagnon I, Boutis K, Meeuwisse W, Barrowman N, Ledoux AA, Osmond MH, Zemek R; Pediatric Emergency Research Canada (PERC) Concussion Team.

JAMA. 2016 Dec 20;316(23):2504-2514. doi: 10.1001/jama.2016.17396.

PMID: 27997652

Association of Persistent Postconcussion Symptoms With Pediatric Quality of Life.

Novak Z, Aglipay M, Barrowman N, Yeates KO, Beauchamp MH, Gravel J, Freedman SB, Gagnon I, Gioia G, Boutis K, Burns E, Ledoux AA, Osmond MH, Zemek RL; Pediatric Emergency Research Canada Predicting Persistent Postconcussive Problems in Pediatrics (PERC 5P) Concussion Team.

JAMA Pediatr. 2016 Dec 5;170(12):e162900. doi: 10.1001/jamapediatrics.2016.2900. Epub 2016 Dec 5.

PMID: 27775762

Balance Markers in Adolescents at One-Month Post-Concussion.

Rochefort C, Walters-Steward C, Aglipay M, Barrowman N, Zemek R, Sveistrup H

Orthopaedic Journal of Sports Medicine. 2017 Mar;5(3):2325967117695507

Clinical Risk Score for Persistent Postconcussion Symptoms Among Children With Acute Concussion in the ED.

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 KJ, Mikrogianakis A, Barlow K, Dubrovsky AS, Meeuwisse W, Gioia G, Meehan WP 3rd, Beauchamp MH, Kamil Y, Grool AM, Hoshizaki B, Anderson P, Brooks BL, Yeates KO, Vassilyadi M, Klassen T, Keightley M, Richer L, DeMatteo C, Osmond MH; Pediatric Emergency Research Canada (PERC) Concussion Team.

JAMA. 2016 Mar 8;315(10):1014-25. doi: 10.1001/jama.2016.1203.

PMID: 26954410

Derivation and Initial Validation of Clinical Phenotypes of Children Presenting with Concussion Acutely in the Emergency Department: Latent Class Analysis of a Multi-Center, Prospective Cohort, Observational Study.

Yeates KO, Tang K, Barrowman N, Freedman SB, Gravel J, Gagnon I, Sangha G, Boutis K, Beer D, Craig W, Burns E, Farion KJ, Mikrogianakis A, Barlow K, Dubrovsky AS, Meeuwisse W, Gioia G, Meehan WP 3rd, Beauchamp MH, Kamil Y, Grool AM, Hoshizaki B, Anderson P, Brooks BL, Vassilyadi M, Klassen T, Keightley M, Richer L, DeMatteo C, Osmond MH, Zemek R; Pediatric Emergency Research Canada (PERC) Predicting Persistent Postconcussive Problems in Pediatrics (5P) Concussion Team.

J Neurotrauma. 2019 Jun;36(11):1758-1767. doi: 10.1089/neu.2018.6009. Epub 2019 Mar 6.

PMID: 30618356

Early analgesic administration and headache presence 7 days post-concussion in children.

Ledoux AA, Tang K, Freedman SB, Gravel J, Boutis K, Yeates KO, Mannix RC, Richer LR, Bell MJ, Zemek RL; Pediatric Emergency Research Canada 5P Study Group.

CJEM. 2022 Dec;24(8):876-884. doi: 10.1007/s43678-022-00367-0. Epub 2022 Sep 15.

PMID: 36107402

Early versus delayed emergency department presentation following mild Traumatic Brain Injury and the presence of symptom at 1, 4 and 12 weeks in children.

Gravel J, Ledoux AA, Tang K, Yeates KO, Craig W, Osmond M, Boutis K, Burns E, Sangha G, Dubrovsky AS, Beer D, Zemek R.

Emerg Med J. 2020 Jun;37(6):338-343. doi: 10.1136/emermed-2019-209054. Epub 2020 Mar 5.

PMID: 32139516

Empirical derivation of a clinical case definition rule for neuropsychological impairment in children and adolescents.

Beauchamp MH, Brooks BL, Barrowman N, Aglipay M, Keightley M, Anderson P, Yeates KO, Osmond MH, Zemek R

J Int Neuropsychol Soc. 2015 Sep; 21(8):596-609

Natural Progression of Symptom Change and Recovery From Concussion in a Pediatric Population.

Ledoux AA, Tang K, Yeates KO, Pusic MV, Boutis K, Craig WR, Gravel J, Freedman SB, Gagnon I, Gioia GA, Osmond MH, Zemek RL; Pediatric Emergency Research Canada (PERC) Concussion Team.

JAMA Pediatr. 2019 Jan 1;173(1):e183820. doi: 10.1001/jamapediatrics.2018.3820. Epub 2019 Jan 7.

PMID: 30398522Free PMC article.Clinical Trial.

No association between metoclopramide treatment in ED and reduced risk of post-concussion headache.

Bresee N, Aglipay M, Dubrovsky AS, Ledoux AA, Momoli F, Gravel J, Freedman SB, Barlow K, Richer L, Barrowman NJ, Zemek R; Pediatric Emergency Research Canada (PERC) 5P concussion team.

Am J Emerg Med. 2018 Dec;36(12):2225-2231. doi: 10.1016/j.ajem.2018.04.007. Epub 2018 Apr 7.

PMID: 29661668

Parent-Child Agreement on Postconcussion Symptoms in the Acute Postinjury Period.

Gagnon I, Teel E, Gioia G, Aglipay M, Barrowman N, Sady M, Vaughan C, Zemek R; PEDIATRIC EMERGENCY RESEARCH CANADA (PERC) 5P TEAM.

Pediatrics. 2020 Jul;146(1):e20192317. doi: 10.1542/peds.2019-2317. Epub 2020 Jun 4.

PMID: 32499388

Pediatric concussion: biomechanical differences between outcomes of transient and persistent (> 4 weeks) postconcussion symptoms.

Post A, Hoshizaki TB, Zemek R, Gilchrist MD, Koncan D, Dawson L, Chen W, Ledoux AA; Pediatric Emergency Research Canada (PERC) 5P Concussion Team.

J Neurosurg Pediatr. 2017 Jun;19(6):641-651. doi: 10.3171/2016.11.PEDS16383. Epub 2017 Mar 28.

PMID: 28347202

Pediatric concussion: Biomechanical differences between transient and PPCS outcomes.

Post A, Hoshizaki T, Zemek R, Gilchrist M, Koncan D, Dawson L, Chen W, Ledoux AA

Journal of Neurosurgey: Pediatrics. 2017 Jun;19(6):641-651

Paediatric post-concussive symptoms: symptom clusters and clinical phenotypes.

Lyons TW, Mannix R, Tang K, Yeates KO, Sangha G, Burns EC, Beer D, Dubrovsky AS, Gagnon I, Gravel J, Freedman SB, Craig W, Boutis K, Osmond MH, Gioia G, Zemek R; Pediatric Emergency Research Canada (PERC) 5P Concussion Team.

Br J Sports Med. 2022 Jul;56(14):785-791. doi: 10.1136/bjsports-2021-105193. Epub 2022 Mar 10.

PMID: 35273038

Performance of Children and Adult Alpine Helmets under Characteristic Falling Conditions.

Koncan DA, Zemek R, Hoshizaki TB

Procedia Engineering. 2016 July;147: 578 – 583

Predicting and preventing postconcussive problems in paediatrics (5P) study: protocol for a prospective multicentre clinical prediction rule derivation study in children with concussion.

Zemek R, Osmond MH, Barrowman N; Pediatric Emergency Research Canada (PERC) Concussion Team.

BMJ Open. 2013 Aug 1;3(8):e003550. doi: 10.1136/bmjopen-2013-003550.

PMID: 23906960Free PMC article.

Predictors of neuropsychological outcome after pediatric concussion.

Beauchamp MH, Aglipay M, Yeates KO, Désiré N, Keightley M, Anderson P, Brooks BL, Barrowman N, Gravel J, Boutis K, Gagnon I, Dubrovsky AS, Zemek R.

Neuropsychology. 2018 May;32(4):495-508. doi: 10.1037/neu0000419.

PMID: 29809036

Predicting Psychological Distress after Pediatric Concussion.

Brooks BL, Plourde V, Beauchamp MH, Tang K, Yeates KO, Keightley M, Anderson Peter, Naddley D, Barrowman N, Zemek R.

Journal of Neurotrauma. 2019 Mar 1;36(5):679-685.  

Predicting Wellness After Pediatric Concussion.

Beauchamp MH, Tang K, Yeates KO, Anderson P, Brooks BL, Keightley M, Désiré N, Boutis K, Gagnon I, Gravel J, Dubrovsky AS, Zemek R; 5P PERC Concussion Team.

J Int Neuropsychol Soc. 2019 Apr;25(4):375-389. doi: 10.1017/S1355617719000286.

PMID:31050335

Post-concussion symptom burden in children following motor vehicle collisions.

Lumba-Brown A, Tang K, Yeates KO, Zemek R; Pediatric Emergency Research Canada (PERC) 5P Concussion Team.

J Am Coll Emerg Physicians Open. 2020 Apr 24;1(5):938-946. doi: 10.1002/emp2.12056. eCollection 2020 Oct.

Self-Reported Balance Status is not Reliable Indicator of Balance Performance in Adolescents at One-Month Post-Concussion.

Rochefort C, Walters-Steward C, Aglipay M, Barrowman N, Zemek R., Sveistrup H

Journal of Science and Medicine in Sport. 2017 Apr;S1440-2440(17)30392-4

Symptom Burden, School Function, and Physical Activity One Year Following Pediatric Concussion.

van Ierssel J, Ledoux AA, Tang K, Correll R, Yeates KO, Gioia G, Freedman SB, Sangha G, Boutis K, Beer D, Craig W, Burns E, Mikrogianakis A, Dubrovsky AS, Gagnon I, Gravel J, McGahern C, Osmond MH, Zemek R; Pediatric Emergency Research Canada (PERC) Concussion Team.

J Pediatr. 2021 Jan;228:190-198.e3. doi: 10.1016/j.jpeds.2020.08.061. Epub 2020 Aug 25.

PMID: 32858032

The Diagnosis of Concussion in Pediatric Emergency Departments: A Prospective Multicenter Study.

Boutis K, Gravel J, Freedman SB, Craig W, Tang K, DeMatteo CA, Dubrovsky AS, Beer D, Burns E, Sangha G, Zemek R.

J Emerg Med. 2018 Jun;54(6):757-765. doi: 10.1016/j.jemermed.2018.02.041. Epub 2018 Apr 21.

PMID: 29685472

The Diagnosis of Concussion in Pediatric Emergency Departments: A Prospective Multicenter Study.

Boutis K, Gravel J, Freedman S, Craig W, Tang K, DeMatteo C, Dubrovsky A, Beer D, Burns E, Sangha G, Zemek R on behalf of the Pediatric Emergency Research Canada (PERC) 5P Concussion Team. 

The Journal of Emergency Medicine.  2018 Jun;54(6):757-765.

The Stability of Retrospective Pre-injury Symptom Ratings Following Pediatric Concussion.

Teel EF, Zemek RL, Tang K, Gioia G, Vaughan C, Sady M, Gagnon IJ; Pediatric Emergency Research Canada (PERC) Concussion Team.

Front Neurol. 2019 Jun 27;10:672. doi: 10.3389/fneur.2019.00672. eCollection 2019.

PMID: 31316452Free PMC article.

Traumatic brain injury: integrated approaches to improve prevention, clinical care, and research.

Maas AIR, Menon DK, Adelson PD, Andelic N, Bell MJ, Belli A, Bragge P, Brazinova A, Büki A, Chesnut RM, Citerio G, Coburn M, Cooper DJ, Crowder AT, Czeiter E, Czosnyka M, Diaz-Arrastia R, Dreier JP, Duhaime AC, Ercole A, van Essen TA, Feigin VL, Gao G, Giacino J, Gonzalez-Lara LE, Gruen RL, Gupta D, Hartings JA, Hill S, Jiang JY, Ketharanathan N, Kompanje EJO, Lanyon L, Laureys S, Lecky F, Levin H, Lingsma HF, Maegele M, Majdan M, Manley G, Marsteller J, Mascia L, McFadyen C, Mondello S, Newcombe V, Palotie A, Parizel PM, Peul W, Piercy J, Polinder S, Puybasset L, Rasmussen TE, Rossaint R, Smielewski P, Söderberg J, Stanworth SJ, Stein MB, von Steinbüchel N, Stewart W, Steyerberg EW, Stocchetti N, Synnot A, Te Ao B, Tenovuo O, Theadom A, Tibboel D, Videtta W, Wang KKW, Williams WH, Wilson L, Yaffe K; InTBIR Participants and Investigators. 

The Lancet. Neurology.  2017 Dec;16(12):987-1048.