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Coulombe P, Tardif PA, Nadeau A, Beaumont-Boileau R, Malo C, Emond M, Blanchard PG, Moore L, Mercier E. Accuracy of Prehospital Trauma Triage to Select Older Adults Requiring Urgent and Specialized Trauma Care. J Surg Res 2022; 275:281-290. [DOI: 10.1016/j.jss.2022.02.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 01/12/2022] [Accepted: 02/12/2022] [Indexed: 10/18/2022]
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Sheldrake E, Al-Hakeem H, Lam B, Goldstein BI, Wheeler AL, Burke M, Dunkley BT, Reed N, Scratch SE. Mental Health Outcomes Across the Lifespan in Individuals With Persistent Post-Concussion Symptoms: A Scoping Review. Front Neurol 2022; 13:850590. [PMID: 35481264 PMCID: PMC9035995 DOI: 10.3389/fneur.2022.850590] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 03/18/2022] [Indexed: 11/13/2022] Open
Abstract
Objective:Concussion is a common yet heterogenous injury. Approximately 15–30% of cases present with persistent post-concussion symptoms (PPCS), continuing 4 weeks or more post-injury in children, youth, and adolescents, and 3 months or more in adults. There are known bidirectional links between PPCS and mental health outcomes. The focus of this scoping review is to explore the literature on mental health outcomes in individuals experiencing PPCS. Research objectives were to explore: (1) the mental health outcomes of individuals with PPCS and types of assessments used to identify mental health outcomes this group, and (2) how mental health outcomes compare in terms of similarities and differences among pediatric and adult populations with PPCS.MethodOvid MEDLINE; EMBASE; CINAHL, and PsycInfo databases were searched. After title and abstract screening of 11,920 studies, 481 articles were reviewed. Twenty-five papers met inclusion criteria. Results were organized by mental health outcomes of pediatric and adult populations, separately.ResultsThere was a significantly higher number of studies devoted to adult populations. Of the 25 studies, 19 (76%) focused on adults, while six (24%) focused on adolescents. In adult populations, studies focused on symptoms of: anxiety (n = 2), depression (n = 8), and anxiety and depression (n = 9). Two studies assessed other emotional outcomes (10.5%). Within pediatric populations, an equal number of studies explored symptoms of: anxiety (n = 2), depression (n = 2), and anxiety and depression (n = 2). No studies focused on other emotional outcomes. Studies ranged greatly in methods, design, and control group. Most studies reported higher psychiatric symptoms of anxiety and/or depression in those with PPCS compared to individuals with recovered concussion or healthy controls.DiscussionThis review contributes to the understanding of mental health outcomes in those experiencing PPCS. Mental health and PPCS requires greater attention in pediatric populations, and consider strategies for those experiencing PPCS and mental health impacts. Future studies should consider including a wider range of emotional outcomes in their design, not limited to anxiety and depression. Study results may lead to improvements and research in the identification, assessment, and management of PPCS and mental health.
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Affiliation(s)
- Elena Sheldrake
- Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, ON, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
- *Correspondence: Elena Sheldrake
| | - Hiba Al-Hakeem
- Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, ON, Canada
| | - Brendan Lam
- Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, ON, Canada
| | - Benjamin I. Goldstein
- Centre for Addiction and Mental Health, Toronto, ON, Canada
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Anne L. Wheeler
- Neuroscience and Mental Health Program, Hospital for Sick Children, Toronto, ON, Canada
- Department of Physiology, University of Toronto, Toronto, ON, Canada
| | - Matthew Burke
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Benjamin T. Dunkley
- Neuroscience and Mental Health Program, Hospital for Sick Children, Toronto, ON, Canada
- Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
| | - Nick Reed
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
| | - Shannon E. Scratch
- Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, ON, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
- Department of Paediatrics, University of Toronto, Toronto, ON, Canada
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O'Brien T, Mitra B, Le Sage N, Tardif PA, Emond M, D'Astous M, Mercier E. Clinically significant traumatic intracranial hemorrhage following minor head trauma in older adults: a retrospective cohort study. Brain Inj 2020; 34:834-839. [PMID: 32286890 DOI: 10.1080/02699052.2020.1753242] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVES The primary objective of this study was to determine the incidence of clinically significant traumatic intracranial hemorrhage (T-ICH) following minor head trauma in older adults. Secondary objective was to investigate the impact of anticoagulant and antiplatelet therapies on T-ICH incidence. METHODS This retrospective cohort study extracted data from electronic patient records. The cohort consisted of patients presenting after a fall and/or head injury and presented to one of five ED between 1st March 2010 and 31st July 2017. Inclusion criteria were age ≥ 65 years old and a minor head trauma defined as an impact to the head without fulfilling criteria for traumatic brain injury. RESULTS From the 1,000 electronic medical records evaluated, 311 cases were included. The mean age was 80.1 (SD 7.9) years. One hundred and eighty-nine (189) patients (60.8%) were on an anticoagulant (n = 69), antiplatelet (n = 130) or both (n = 16). Twenty patients (6.4%) developed a clinically significant T-ICH. Anticoagulation and/or antiplatelets therapies were not associated with an increased risk of clinically significant T-ICH in this cohort (Odds ratio (OR) 2.7, 95% CI 0.9-8.3). CONCLUSIONS In this cohort of older adults presenting to the ED following minor head trauma, the incidence of clinically significant T-ICH was 6.4%.
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Affiliation(s)
- Toby O'Brien
- Axe Santé Des Populations Et Pratiques Optimales En Santé, Unité De Recherche En Traumatologie - Urgence - Soins Intensifs, Centre De Recherche Du CHU De Québec, Université Laval , Québec, Canada.,National Trauma Research Institute, Alfred Hospital , Melbourne, Australia
| | - Biswadev Mitra
- National Trauma Research Institute, Alfred Hospital , Melbourne, Australia.,Canada Département De Médecine Familiale Et Médecine d'Urgence, Faculté De Médecine, Université Laval , Québec, Canada
| | - Natalie Le Sage
- Axe Santé Des Populations Et Pratiques Optimales En Santé, Unité De Recherche En Traumatologie - Urgence - Soins Intensifs, Centre De Recherche Du CHU De Québec, Université Laval , Québec, Canada.,School of Public Health and Preventive Medicine, Monash University , Melbourne, Australia
| | - Pier-Alexandre Tardif
- Axe Santé Des Populations Et Pratiques Optimales En Santé, Unité De Recherche En Traumatologie - Urgence - Soins Intensifs, Centre De Recherche Du CHU De Québec, Université Laval , Québec, Canada
| | - Marcel Emond
- Axe Santé Des Populations Et Pratiques Optimales En Santé, Unité De Recherche En Traumatologie - Urgence - Soins Intensifs, Centre De Recherche Du CHU De Québec, Université Laval , Québec, Canada.,School of Public Health and Preventive Medicine, Monash University , Melbourne, Australia.,Centre De Recherche Sur Les Soins Et Les Services De Première Ligne De l'Université Laval , Quebec, Canada
| | - Myreille D'Astous
- Service of Neurosurgery, Department of Surgery, CHU De Québec, Université Laval , Québec, Canada
| | - Eric Mercier
- Axe Santé Des Populations Et Pratiques Optimales En Santé, Unité De Recherche En Traumatologie - Urgence - Soins Intensifs, Centre De Recherche Du CHU De Québec, Université Laval , Québec, Canada.,School of Public Health and Preventive Medicine, Monash University , Melbourne, Australia.,Centre De Recherche Sur Les Soins Et Les Services De Première Ligne De l'Université Laval , Quebec, Canada
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Mercier E, Tardif PA, Moore L, Le Sage N, Cameron PA. Invitations received from potential predatory publishers and fraudulent conferences: a 12-month early-career researcher experience. Postgrad Med J 2018; 94:104-108. [PMID: 28912190 PMCID: PMC5800329 DOI: 10.1136/postgradmedj-2017-135097] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 08/10/2017] [Accepted: 08/22/2017] [Indexed: 01/10/2023]
Abstract
PURPOSE OF THE STUDY This study aims to describe all unsolicited electronic invitations received from potential predatory publishers or fraudulent conferences over a 12-month period following the first publication as a corresponding author of a junior academician. STUDY DESIGN Unsolicited invitations received at an institutional email address and perceived to be sent by predatory publishers or fraudulent conferences were collected. RESULTS A total of 502 invitations were included of which 177 (35.3%) had subject matter relevant to the recipient's research interests and previous work. Two hundred and thirty-seven were invitations to publish a manuscript. Few disclosed the publication fees (32, 13.5%) but they frequently reported accepting all types of manuscripts (167, 70.5%) or emphasised on a deadline to submit (165, 69.6%). Invitations came from 39 publishers (range 1 to 87 invitations per publisher). Two hundred and ten invitations from a potential fraudulent conference were received. These meetings were held in Europe (97, 46.2%), North America (65, 31.0%), Asia (20.4%) or other continents (5, 2.4%) and came from 18 meeting organisation groups (range 1 to 137 invitations per organisation). Becoming an editorial board member (30), the editor-in-chief (1), a guest editor for journal special issue (6) and write a book chapter (11) were some of the roles offered in the other invitations included while no invitation to review a manuscript was received. CONCLUSIONS Young researchers are commonly exposed to predatory publishers and fraudulent conferences following a single publication as a corresponding author. Academic institutions worldwide need to educate and inform young researchers of this emerging problem.
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Affiliation(s)
- Eric Mercier
- Département de Médecine Familiale et Médecine d’Urgence, Faculté de Médecine, Université Laval, Québec, Canada
- Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval, Québec, Canada
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Pier-Alexandre Tardif
- Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval, Québec, Canada
| | - Lynne Moore
- Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval, Québec, Canada
| | - Natalie Le Sage
- Département de Médecine Familiale et Médecine d’Urgence, Faculté de Médecine, Université Laval, Québec, Canada
- Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval, Québec, Canada
| | - Peter A Cameron
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
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Mercier E, Tardif PA, Cameron PA, Batomen Kuimi BL, Émond M, Moore L, Mitra B, Frenette J, De Guise E, Ouellet MC, Bordeleau M, Le Sage N. Prognostic Value of S-100β Protein for Prediction of Post-Concussion Symptoms after a Mild Traumatic Brain Injury: Systematic Review and Meta-Analysis. J Neurotrauma 2018; 35:609-622. [PMID: 28969486 DOI: 10.1089/neu.2017.5013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
This systematic review and meta-analysis aimed to determine the prognostic value of S-100β protein to identify patients with post-concussion symptoms after a mild traumatic brain injury (mTBI). A search strategy was submitted to seven databases from their inception to October 2016. Individual patient data were requested. Cohort studies evaluating the association between S-100β protein level and post-concussion symptoms assessed at least seven days after the mTBI were considered. Outcomes were dichotomized as persistent (≥3 months) or early (≥7 days <3 months). Our search strategy yielded 23,298 citations of which 29 studies including between seven and 223 patients (n = 2505) were included. Post-concussion syndrome (PCS) (16 studies) and neuropsychological symptoms (9 studies) were the most frequently assessed outcomes. The odds of having persistent PCS (odds ratio [OR] 0.62, 95% confidence interval [CI]: 0.34-1.12, p = 0.11, I2 0% [n = five studies]) in patients with an elevated S-100β protein serum level were not significantly different from those of patients with normal values while the odds of having early PCS (OR 1.67, 95% CI: 0.98-2.85, p = 0.06, I2 38% [n = five studies]) were close to statistical significance. Similarly, having an elevated S-100β protein serum level was not associated with the odds of returning to work at six months (OR 2.31, 95% CI: 0.50-10.64, p = 0.28, I2 22% [n = two studies]). Overall risk of bias was considered moderate. Results suggest that the prognostic biomarker S-100β protein has a low clinical value to identify patients at risk of persistent post-concussion symptoms. Variability in injury to S-100ß protein sample time, mTBI populations, and outcomes assessed could potentially explain the lack of association and needs further evaluation.
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Affiliation(s)
- Eric Mercier
- 1 Département de Médecine Familiale et Médecine d'Urgence, Faculté de Médecine, Université Laval , Québec, Canada .,2 Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval , Québec, Canada .,3 Emergency and Trauma Centre, The Alfred Hospital , Alfred Health, Australia .,4 School of Public Health and Preventive Medicine, Monash University , Melbourne, Victoria, Australia
| | - Pier-Alexandre Tardif
- 2 Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval , Québec, Canada
| | - Peter A Cameron
- 3 Emergency and Trauma Centre, The Alfred Hospital , Alfred Health, Australia .,4 School of Public Health and Preventive Medicine, Monash University , Melbourne, Victoria, Australia .,5 National Trauma Research Institute , The Alfred Hospital, Melbourne, Victoria, Australia
| | - Brice Lionel Batomen Kuimi
- 2 Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval , Québec, Canada
| | - Marcel Émond
- 1 Département de Médecine Familiale et Médecine d'Urgence, Faculté de Médecine, Université Laval , Québec, Canada .,6 Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Vieillissement, Centre de recherche du CHU de Québec, Université Laval , Québec, Canada
| | - Lynne Moore
- 2 Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval , Québec, Canada .,6 Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Vieillissement, Centre de recherche du CHU de Québec, Université Laval , Québec, Canada .,7 Département de Médecine Sociale et Préventive, Faculté de Médecine, Université Laval , Québec, Canada
| | - Biswadev Mitra
- 3 Emergency and Trauma Centre, The Alfred Hospital , Alfred Health, Australia .,4 School of Public Health and Preventive Medicine, Monash University , Melbourne, Victoria, Australia .,5 National Trauma Research Institute , The Alfred Hospital, Melbourne, Victoria, Australia
| | - Jérôme Frenette
- 8 Centre de Recherche et Centre Hospitalier Universitaire de Québec , Québec, Canada
| | - Elaine De Guise
- 9 Research-Institute, McGill University Health Centre , Montreal, Québec, Canada .,10 Centre de recherche interdisciplinaire en réadaptation du Montréal métropolitain (CRIR), Montréal , Québec, Canada
| | - Marie-Christine Ouellet
- 2 Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval , Québec, Canada .,8 Centre de Recherche et Centre Hospitalier Universitaire de Québec , Québec, Canada
| | - Martine Bordeleau
- 2 Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval , Québec, Canada
| | - Natalie Le Sage
- 1 Département de Médecine Familiale et Médecine d'Urgence, Faculté de Médecine, Université Laval , Québec, Canada .,2 Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval , Québec, Canada
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Mercier E, Tardif PA, Cameron PA, Émond M, Moore L, Mitra B, Ouellet MC, Frenette J, de Guise E, Le Sage N. Prognostic value of neuron-specific enolase (NSE) for prediction of post-concussion symptoms following a mild traumatic brain injury: a systematic review. Brain Inj 2017; 32:29-40. [PMID: 29157007 DOI: 10.1080/02699052.2017.1385097] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND This systematic review aimed to determine the prognostic value of neuron-specific enolase (NSE) to predict post-concussion symptoms following mild traumatic brain injury (TBI). METHODS Seven databases were searched for studies evaluating the association between NSE levels and post-concussion symptoms assessed ≥ 3 months (persistent) or ≥ 7 days < 3 months (early) after mild TBI. Two researchers independently screened studies for inclusion, extracted data and appraised quality using the Quality in Prognostic Studies (QUIPS) tool. RESULTS The search strategy yielded a total of 23,298 citations from which 8 cohorts presented in 10 studies were included. Studies included between 45 and 141 patients (total 608 patients). The outcomes most frequently assessed were post-concussion syndrome (PCS, 12 assessments) and neuropsychological performance deficits (10 assessments). No association was found between an elevated NSE serum level and PCS. Only one study reported a statistically significant association between a higher NSE serum level and alteration of at least three cognitive domains at 2 weeks but this association was no longer significant at 6 weeks. Overall, risk of bias of the included studies was considered moderate. CONCLUSIONS Early NSE serum level is not a strong independent predictor of post-concussion symptoms following mild TBI.
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Affiliation(s)
- Eric Mercier
- a Département de Médecine Familiale et Médecine d'Urgence, Faculté de Médecine , Université Laval , Québec , Canada.,b Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec , Université Laval , Québec , Canada.,c Emergency and Trauma Centre , The Alfred Hospital, Alfred Health , Melbourne , Australia.,d School of Public Health and Preventive Medicine , Monash University , Melbourne , Australia
| | - Pier-Alexandre Tardif
- b Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec , Université Laval , Québec , Canada
| | - Peter A Cameron
- c Emergency and Trauma Centre , The Alfred Hospital, Alfred Health , Melbourne , Australia.,d School of Public Health and Preventive Medicine , Monash University , Melbourne , Australia.,e National Trauma Research Institute , The Alfred Hospital , Melbourne , VIC , Australia
| | - Marcel Émond
- a Département de Médecine Familiale et Médecine d'Urgence, Faculté de Médecine , Université Laval , Québec , Canada.,b Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec , Université Laval , Québec , Canada.,f Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Vieillissement, Centre de recherche du CHU de Québec , Université Laval , Québec , Canada
| | - Lynne Moore
- b Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec , Université Laval , Québec , Canada.,g Département de Médecine Sociale et Préventive, Faculté de Médecine , Université Laval , Québec , Canada
| | - Biswadev Mitra
- c Emergency and Trauma Centre , The Alfred Hospital, Alfred Health , Melbourne , Australia.,d School of Public Health and Preventive Medicine , Monash University , Melbourne , Australia.,e National Trauma Research Institute , The Alfred Hospital , Melbourne , VIC , Australia
| | - Marie-Christine Ouellet
- b Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec , Université Laval , Québec , Canada.,h Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale (CIRRIS) , Québec , Québec , Canada
| | - Jérôme Frenette
- h Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale (CIRRIS) , Québec , Québec , Canada
| | - Elaine de Guise
- i Research-Institute , McGill University Health Centre , Montreal , Québec , Canada.,j Centre de recherche interdisciplinaire en réadaptation du Montréal métropolitain (CRIR) , Montréal , Québec , Canada
| | - Natalie Le Sage
- a Département de Médecine Familiale et Médecine d'Urgence, Faculté de Médecine , Université Laval , Québec , Canada.,b Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec , Université Laval , Québec , Canada
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Mercier E, Tardif PA, Emond M, Ouellet MC, de Guise É, Mitra B, Cameron P, Le Sage N. Characteristics of patients included and enrolled in studies on the prognostic value of serum biomarkers for prediction of postconcussion symptoms following a mild traumatic brain injury: a systematic review. BMJ Open 2017; 7:e017848. [PMID: 28963310 PMCID: PMC5623519 DOI: 10.1136/bmjopen-2017-017848] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVE Mild traumatic brain injury (mTBI) has been insufficiently researched, and its definition remains elusive. Investigators are confronted by heterogeneity in patients, mechanism of injury and outcomes. Findings are thus often limited in generalisability and clinical application. Serum protein biomarkers are increasingly assessed to enhance prognostication of outcomes, but their translation into clinical practice has yet to be achieved. A systematic review was performed to describe the adult populations included and enrolled in studies that evaluated the prognostic value of protein biomarkers to predict postconcussion symptoms following an mTBI. DATA SOURCES Searches of MEDLINE, Embase, CENTRAL, CINAHL, Web of Science, PsycBITE and PsycINFO up to October 2016. DATA SELECTION AND EXTRACTION Two reviewers independently screened for potentially eligible studies, extracted data and assessed the overall quality of evidence by outcome using the Grading of Recommendations Assessment, Development and Evaluation approach. RESULTS A total of 23 298 citations were obtained from which 166 manuscripts were reviewed. Thirty-six cohort studies (2812 patients) having enrolled between 7 and 311 patients (median 89) fulfilled our inclusion criteria. Most studies excluded patients based on advanced age (n=10 (28%)), neurological disorders (n=20 (56%)), psychiatric disorders (n=17 (47%)), substance abuse disorders (n=13 (36%)) or previous traumatic brain injury (n=10 (28%)). Twenty-one studies (58%) used at least two of these exclusion criteria. The pooled mean age of included patients was 39.3 (SD 4.6) years old (34 studies). The criteria used to define a mTBI were inconsistent. The most frequently reported outcome was postconcussion syndrome using the Rivermead Post-Concussion Symptoms Questionnaire (n=18 (50%)) with follow-ups ranging from 7 days to 5 years after the mTBI. CONCLUSIONS Most studies have recruited samples that are not representative and generalisable to the mTBI population. These exclusion criteria limit the potential use and translation of promising serum protein biomarkers to predict postconcussion symptoms.
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Affiliation(s)
- Eric Mercier
- Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval, Quebec, Canada
- Département de Médecine Familiale et Médecine d’Urgence, Faculté de Médecine, Université Laval, Quebec, Canada
- Emergency and Trauma Centre, The Alfred Hospital, Alfred Health, Melbourne, Australia
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Pier-Alexandre Tardif
- Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval, Quebec, Canada
| | - Marcel Emond
- Département de Médecine Familiale et Médecine d’Urgence, Faculté de Médecine, Université Laval, Quebec, Canada
- Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Vieillissement, Centre de recherche du CHU de Québec, Université Laval, Quebec, Canada
| | - Marie-Christine Ouellet
- Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale (CIRRIS), Quebec, Canada
| | - Élaine de Guise
- Research-Institute, McGill University Health Centre, Quebec, Canada
- Centre de recherche interdisciplinaire en réadaptation du Montréal métropolitain (CRIR), Quebec, Canada
| | - Biswadev Mitra
- Emergency and Trauma Centre, The Alfred Hospital, Alfred Health, Melbourne, Australia
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
- National Trauma Research Institute, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Peter Cameron
- Emergency and Trauma Centre, The Alfred Hospital, Alfred Health, Melbourne, Australia
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
- National Trauma Research Institute, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Natalie Le Sage
- Axe Santé des Populations et Pratiques Optimales en Santé, Unité de recherche en Traumatologie - Urgence - Soins Intensifs, Centre de recherche du CHU de Québec, Université Laval, Quebec, Canada
- Département de Médecine Familiale et Médecine d’Urgence, Faculté de Médecine, Université Laval, Quebec, Canada
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