Publications
Read on to explore CCEDRRN's published papers and manuscripts
Development of the Canadian COVID-19 Emergency Department Rapid Response Network population-based registry: a methodology study
March 17, 2021
Corinne M. Hohl, Rhonda J. Rosychuk, Andrew D. McRae, Steven C. Brooks, Patrick Archambault, Patrick T. Fok, Philip Davis, Tomislav Jelic, Joel P. Turner, Brian H. Rowe, Éric Mercier, Ivy Cheng, John Taylor, Raoul Daoust, Robert Ohle, Gary Andolfatto, Clare Atzema, Jake Hayward, Jaspreet K. Khangura, Megan Landes, Eddy Lang, Ian Martin, Rohit Mohindra, Daniel K. Ting, Samuel Vaillancourt, Michelle Welsford, Baljeet Brar, Tara Dahn, Hana Wiemer, Krishan Yadav, Justin W. Yan, Maja Stachura, Colleen McGavin, Jeffrey J. Perry and Laurie J. Morrison; for the Canadian COVID-19 Emergency Department Rapid Response Network investigators and for the Network of Canadian Emergency Researchers and the Canadian Critical Care Trials Group
CMAJ Open 2021, 9 (1): E261-E270; DOI: https://doi.org/10.9778/cmajo.20200290
CCEDRRN COVID-19 Infection Score (CCIS): development and validation in a Canadian cohort of a clinical risk score to predict SARS-CoV-2 infection in patients presenting to the emergency department with suspected COVID-19
December 2, 2021
Andrew D McRae, Corinne M Hohl, Rhonda J Rosychuk, Shabnam Vatanpour, Gelareh Ghaderi, Patrick M Archambault, Steven C Brooks, Ivy Cheng, Philip Davis, Jake Hayward, Eddy S Lang, Robert Ohle, Brian H. Rowe, Michelle Welsford, Krishan Yadav, Laurie J Morrison, Jeffrey J. Perry, Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN) investigators for the Network of Canadian Emergency Researchers and the Canadian Critical Care Trials Group
BMJ Open 2021 Dec 2;11(12):e055832; DOI: 10.1136/bmjopen-2021-055832
Derivation and Validation of a Clinical Score to Predict Death among Non-Palliative COVID-19 Patients Presenting to Emergency Departments: The CCEDRRN COVID Mortality Score
February 8, 2022
Corinne M. Hohl, Rhonda J. Rosychuk, Patrick M. Archambault, Fiona O’Sullivan, Murdoch Leeies, Éric Mercier, Gregory Clark, Grant D. Innes, Steven C. Brooks, Jake Hayward, Vi Ho, Tomislav Jelic, Michelle Welsford, Marco L.A. Sivilotti, Laurie J. Morrison, Jeffrey J. Perry
CMAJ Open February 08, 2022 10 (1) E90-E99; DOI: https://doi.org/10.9778/cmajo.20210243
Treatments, Resource Utilization, and Outcomes of COVID-19 Patients Presenting to Emergency Departments Across Pandemic Waves: An Observational Study by the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN)
April 1, 2022
Hohl, C.M., Rosychuk, R.J., Hau, J.P. et al. Treatments, resource utilization, and outcomes of COVID-19 patients presenting to emergency departments across pandemic waves: an observational study by the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN). Can J Emerg Med 24, 397–407 (2022). https://doi.org/10.1007/s43678-022-00275-3
Diagnostic Yield of Screening for SARS-CoV-2 among Patients Admitted for Alternate Diagnoses
August 10, 2022
Phil Davis, Rhonda J. Rosychuk, Jeffrey P Hau, Ivy Cheng, Andrew D. McRae, Raoul Daoust, Eddy Lang, Joel Turner, Jaspreet Khangura, Patrick T. Fok, Maja Stachura, Baljeet Brar, Corinne Hohl on behalf of CCEDRRN investigators, and for the Network of Canadian Emergency Researchers and the Canadian Critical Care Trials Group, et al Diagnostic yield of screening for SARS-CoV-2 among patients admitted to hospital for alternate diagnoses: an observational cohort study BMJ Open 2022;12:e057852. DOI: https://bmjopen.bmj.com/content/12/8/e057852
Reducing barriers to accessing administrative data on SARS-CoV-2 vaccination for research
July 18, 2022
Andrew D. McRae, Patrick Archambault, Patrick Fok, Hana Wiemer, Laurie J. Morrison and Matthew Herder; for the Canadian COVID-19 Emergency Department Rapid Response Network Investigators, Reducing barriers to accessing administrative data on SARS-CoV-2 vaccination for research CMAJ July 18, 2022 194 (27) E943-E947; DOI: https://doi.org/10.1503/cmaj.211712
Antiviral treatment for COVID-19: ensuring evidence is applicable to current circumstances
July 25, 2022
Corinne M. Hohl and Andrew D. McRae.
CMAJ July 25, 2022 194 (28) E996-E997; DOI: https://doi.org/10.1503/cmaj.221012
Sensitivity and Diagnostic Yield of the First SARS-CoV-2 Nucleic Acid Amplification Test Performed for Patients Presenting to the Hospital
October 12, 2022
Corinne M. Hohl, Jeffrey P. Hau, Samuel Vaillancourt, Jennifer Grant, Steven C. Brooks, Laurie J. Morrison, Jeffrey J. Perry, Rhonda J. Rosychuk for the CCEDRRN investigators for the Network of Canadian Emergency Researchers and the Canadian Critical Care Trials Group Sensitivity and Diagnostic Yield of the First SARS-CoV-2 Nucleic Acid Amplification Test Performed for Patients Presenting to the Hospital. JAMA Netw Open. 2022;5(10):e2236288. doi:10.1001/jamanetworkopen.2022.36288
Patient-reported health outcomes of SARS-COV-2 tested patients presenting to emergency departments: a propensity-score matched prospective cohort study
December 1, 2022
Rajan Bola, Jason Sutherland, Rachel A. Murphy, Murdoch Leeies, Lars Grant, Jake Hayward, Patrick Archambault, Lorraine Graves, Tamara Rose, Corinne Hohl, Patient-reported health outcomes of SARS-COV-2 tested patients presenting to emergency departments: a propensity-score matched prospective cohort study, Public Health, 2022, https://doi.org/10.1016/j.puhe.2022.11.016
Derivation and validation of a clinical decision rule to risk-stratify COVID-19 patients discharged from the emergency department: The CCEDRRN COVID discharge score
December 22, 2022
Brooks SC, Rosychuk RJ, Perry JJ, Morrison LJ, Wiemer H, Fok P, Rowe BH, Daoust R, Vatanpour S, Turner J, Landes M, Ohle R, Hayward J, Scheuermeyer F, Welsford M, Hohl C; Canadian COVID‐19 Rapid Response Network (CCEDRRN) for the Network of Canadian Emergency Researchers (NCER) and the Canadian Critical Care Trials Group (CCCTG). Derivation and validation of a clinical decision rule to risk-stratify COVID-19 patients discharged from the emergency department: The CCEDRRN COVID discharge score. J Am Coll Emerg Physicians Open. 2022 Dec 22;3(6):e12868. doi: 10.1002/emp2.12868.
Prognostic association between d-dimer thresholds and 30-day pulmonary embolism diagnosis among emergency department patients with suspected SARS-CoV-2 infection: a Canadian COVID-19 Emergency Department Rapid Response Network Study
January 10, 2023
Lin K, Xu K, Daoust R, Taylor J, Rosychuk RJ, Hau JP, Davis P, Clark G, McRae AD, Hohl CM; Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN) investigators for the Network of Canadian Emergency Researchers, the Canadian Critical Care Trials Group. Prognostic association between d-dimer thresholds and 30-day pulmonary embolism diagnosis among emergency department patients with suspected SARS-CoV-2 infection: a Canadian COVID-19 Emergency Department Rapid Response Network study. CJEM. 2023 Jan 10. doi: 10.1007/s43678-022-00440-8.
Intubation practices and outcomes for patients with suspected or confirmed COVID-19: a national observational study by the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN)
April 5, 2023
Leeies, M., Rosychuk, R.J., Ismath, M. et al. Intubation practices and outcomes for patients with suspected or confirmed COVID-19: a national observational study by the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN). Can J Emerg Med (2023). https://doi.org/10.1007/s43678-023-00487-1
The burden of incidental SARS‑CoV‑2 infections in hospitalized patients across pandemic waves in Canada
April 24, 2023
McAlister, F.A., Hau, J.P., Atzema, C. et al. The burden of incidental SARS-CoV-2 infections in hospitalized patients across pandemic waves in Canada. Sci Rep 13, 6635 (2023). https://doi.org/10.1038/s41598-023-33569-2
Research recruitment and consent methods in a pandemic: a qualitative study of COVID-19 patients’ perspectives
May 11, 2023
Small, S.S., Lau, E., McFarlane, K. et al. Research recruitment and consent methods in a pandemic: a qualitative study of COVID-19 patients’ perspectives. BMC Med Res Methodol 23, 113 (2023). https://doi.org/10.1186/s12874-023-01933-5
Accuracy of Self-Reported COVID-19 Vaccination Status Compared With a Public Health Vaccination Registry in Québec: Observational Diagnostic Study
June 16, 2023
Archambault PM, Rosychuk RJ, Audet M, Bola R, Vatanpour S, Brooks SC, Daoust R, Clark G, Grant L, Vaillancourt S, Welsford M, Morrison LJ, Hohl CM, Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN) investigators, Network of Canadian Emergency Researchers, Canadian Critical Care Trials Group. Accuracy of Self-Reported COVID-19 Vaccination Status Compared With a Public Health Vaccination Registry in Québec: Observational Diagnostic Study. JMIR Public Health Surveill 2023;9:e44465. DOI: 10.2196/44465
Comparing methods to classify admitted patients with SARS-CoV-2 as admitted for COVID-19 versus with incidental SARS-CoV-2: A cohort study
September 26, 2023
Hohl CM, Cragg A, Purssel E, McAlister FA, Ting DK, Scheuermeyer F, et al. (2023) Comparing methods to classify admitted patients with SARS-CoV-2 as admitted for COVID-19 versus with incidental SARS-CoV-2: A cohort study. PLoS ONE 18(9): e0291580. https://doi.org/10.1371/journal.pone.0291580
Characterizing intubation practices in response to the COVID-19 pandemic: a survey of the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN) sites
November 24, 2023
Ismath, M., Black, H., Hrymak, C. et al. Characterizing intubation practices in response to the COVID-19 pandemic: a survey of the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN) sites. BMC Emerg Med 23, 139 (2023). https://doi.org/10.1186/s12873-023-00911-w
Characteristics and outcomes of patients with COVID-19 who return to the emergency department: a multicentre observational study by the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN)
February 16, 2024
Rhonda J Rosychuk, Jaspreet K Khangura, Sylvia S Ortiz, Ivy Cheng, Iwona A Bielska, Justin Yan, Laurie J Morrison, Jake Hayward, Lars Gratn, Corinne M Hohl. Characteristics and outcomes of patients with COVID-19 who return to the emergency department: a multicentre observational study by the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN). Emergency Medicine Journal Published Online First: 16 February 2024. doi: 10.1136/emermed-2023-213277
Administrative data ICD-10 diagnostic codes identifies most lab-confirmed SARS-CoV-2 admissions but misses many discharged from the Emergency Department
March 12, 2024
Moura CS, Morrison LJ, Hohl CM, Grant L, Pilote L, Neville A, Hau JP, Bernatsky S; and the Canadian COVID-19 Emergency Department Rapid Response Network (CCEDRRN) investigators; Network of Canadian Emergency Researchers; Canadian Critical Care Trials Group. Administrative data ICD-10 diagnostic codes identifies most lab-confirmed SARS-CoV-2 admissions but misses many discharged from the Emergency Department. Sci Rep. 2024 Mar 12;14(1):6008. doi: 10.1038/s41598-023-49501-7. PMID: 38472258