Carl van Walraven

Senior Core Scientist (Full Status) ICES uOttawa Site Director
Primary Care & Health Systems Research Program

ICES Grants

Grant

2025 - 2027

Virtual care utilization and outcomes among cancer patients receiving systemic therapy in Ontario: A population-based retrospective cohort study

Granting Agency: AHSC AFP Innovation Fund
Principal Investigators: van Walraven C
Co-Investigators: Cole K, Manuel D, Wang T-F, Webber C, Backman C, Ng T, Srikanthan A, Sehdev S, Li W, Fisher S
Grant Type: Innovation Fund
Grant Amount: $96,700

Grant

2024 - 2026

VIRTUAL Study: Virtual vs In peRson comparaTive effectiveness evaluation of Anesthesiology consuLtations

Granting Agency: Canadian Institutes of Health Research
Principal Investigators: McIsaac D, Holst P, Mollo H, Trivedi V, Wijeysundera D
Co-Investigators: Aucoin S, Beckerleg W, Berrio Valencia M, Boet S, Breau R, Bryson G, Engel J, Flexman A, Gagné S, Hallet J, Hladkowicz E, Ip V, Ke XC, Kobewka D, Lalu M, Lavallée L, MacDonald D, Martel G, Martin J, McIsaac S, Pelland A, Talarico R, Taljaard M, Van Walraven C, Wyand A
Grant Type: Project Grant
Grant Amount: $271,576

Grant

2021 - 2023

STRIVE before surgery trial: a vanguard pragmatic multicenter randomized trial of Structured TRaining to Improve fitness in a Virtual Environment before surgery

Granting Agency: Canadian Institutes of Health Research
Principal Investigators: Gillis CA, Hallet J, Kidd GD, McIsaac DI, Mcneely ML, Taljaard M, Tandon P, Wijeysundera DN
Co-Investigators: Auer RAC, Boland LS, Breau RH, Bryson GL, Chesney T, Eskander A, Fergusson DA, Forster AJ, Gagné S, Gill M, Hladkowicz E, Khadaroo R, Lalu MM, Lavallée LT, Martel G, McCartney CJ, Moloo H, Roberts DJ, Scheede-Bergdahl C, Serrano PF, Thavorn K, Van Walraven C, Vogt KN, Zwarenstein MF
Grant Type: Project Grant
Grant Amount: $260,100

Grant

2019 - 2023

PREPARE Trial: a parallel arm multicenter randomized trial of frailty-focused PReoperative Exercise to decrease PostoperAtive complication Rates and disability scorEs

Granting Agency: Canadian Institutes of Health Research
Principal Investigators: Fegusson DA, Khadaroo R, McIsaac DI, Muscedere J, Taljaard M
Co-Investigators: Boet S, Boland LS, Breau RH, Bryson GL, Caycedo A, Eskander A, Forster AJ, Gagné S, Holroyd-Leduc JM, Huang AR, Johnson A, Lalu MM, Lavallée LT, Ma G, Mccartney CJ, Mcelhaney JE, Moloo H, Nagpal S, Nantel J, Power BE, Saha T, Scheede-Bergdahl C, Thavorn K, Van Walraven C, Wijeysundera D
Grant Type: Project Grant
Grant Amount: $1,136,025

Grant

2019 - 2021

Safe Analgesia For Elders receiving Peripheral Nerve Blocks for hip fracture (SAFE PNB)

Granting Agency: Canadian Institutes of Health Research
Principal Investigators: Forster AJ, McIsaac DI, van Walraven C
Co-Investigators: Abdallah FW, Beaule PE, Boet S, Fernando SM, Huang AR, McCartney CJ, Meulenkamp B, Perry JJ, Power BE, Ramlogan R, Taljaard M, Tanuseputro P, Wijeysundera DN
Grant Type: Project Grant
Grant Amount: $183,600

Grant

2015 - 2017

Examining the relationship between repeated blood donations in female donors on maternal/neonatal outcomes: a cohort study

Granting Agency: Canadian Institutes of Health Research
Principal Investigators: Tinmouth A
Co-Investigators: van Walraven C, Wilson K
Grant Type: Operating Grant
Grant Amount: $183,244

Grant

2011 - 2013

Access and outcomes of kidney transplantation in Ontario: Is there a socioeconomic gradient?

Granting Agency: Kidney Foundation of Canada
Principal Investigators: Kim J, Knoll G
Co-Investigators: Austin P, Garg A, Quinn R, Van Walraven C
Grant Type: Biomedical Research Grant
Grant Amount: $99,838

Grant

2011 - 2013

The Effect of Post-discharge Outpatient Care on unplanned readmissions: the EPOC-readmission study

Granting Agency: Canadian Institutes of Health Research
Principal Investigators: Bjerre LM
Co-Investigators: Abrahamowicz M, van Walraven C
Grant Type: Operating Grant
Grant Amount: $94,184

See All

Journal Articles

Journal Article

25/06/2025

Description and validation of the Postoperative Discharge Recovery State outcome: a patient-partnered population-based cohort study

Hladkowicz E, Kidd G, Flexman A, Garland A, Hallet J, Kobewka D, McGarr M, Talarico R, van Walraven C, Wijeysundera DN, Wong CL, McIsaac DI; NOTIFY Investigator Group; Canadian Perioperative Anesthesia Clinical Trials Group. Br J Anaesth. 2025; S0007-0912(25)00315-0. Epub 2025 Jun 25.

Journal Article

21/03/2024

Development of the multivariate administrative data cystectomy model and its impact on misclassification bias

Ross J, Lavallee LT, Hickling D, van Walraven C. BMC Med Res Methodol. 2024; 24(1):73. Epub 2024 Mar 21.

Journal Article

18/04/2023

Predictive models for kidney recovery and death in patients continuing dialysis as outpatients after starting in hospital

Clark EG, James MT, Hiremath S, Sood MM, Wald R, Garg AX, Silver SA, Tan Z, van Walraven C. Clin J Am Soc Nephrol. 2023; Apr 18 [Epub ahead of print].

Journal Article

02/03/2023

The independent association between plasma and red blood cell zinc levels with long-term outcomes of hospitalized patients

Rodic S, McCudden C, van Walraven C. Curr Dev Nutr. 2023; Mar 2 [Epub ahead of print].

Journal Article

14/02/2023

Outcomes following coronary artery bypass grafting with multiple arterial grafting by pump status in men and women

Rubens FD, Fremes SE, Grubic N, Fergusson D, Taljaard M, van Walraven C. J Thorac Cardiovasc Surg. 2023; Feb 14 [Epub ahead of print].

Journal Article

04/01/2023

Guideline-concordant antibiotic therapy for the hospital treatment of community-acquired pneumonia and 1-year all-cause and cardiovascular mortality in elderly patients surviving to discharge

Corrales-Medina VF, van Walraven C. Chest. 2023; 163(6):1380-9. Epub 2023 Jan 4.

Journal Article

04/11/2022

Primary preventative care of hematopoietic stem cell transplant survivors: time to educate and empower recipients and providers

Fulcher J, Blanchard AP, Bredeson C, van Walraven C. Transplant Cell Ther. 2022; Nov 4 [Epub ahead of print].

Journal Article

21/09/2022

Positive predictive value of primary subarachnoid hemorrhage diagnoses on death certificates

English S, van Walraven C. Clin Invest Med. 2022; 45(3):E9-13. Epub 2022 Sep 21.

Journal Article

18/05/2022

Derivation and external validation of a 30-day mortality risk prediction model for older patients having emergency general surgery

Feng S, van Walraven C, Lalu MM, Moloo H, Musselman R, McIsaac DI. Br J Anaesth. 2022; 129(1):33-40. Epub 2022 May 18.

Journal Article

16/05/2022

The risk of death or unplanned readmission after discharge from a COVID-19 hospitalization in Alberta and Ontario

McAlister FA, Dong Y, Chu A, Wang X, Youngson E, Quinn KL, Verma A, Udell JA, Yu AYX, Razak F, Ho C, de Mestral C, Ross HJ, van Walraven C, Lee DS; for the CORONA Collaboration. CMAJ. 2022; 194(19):E666-73.

See All

News Coverage

News Release

11/07/2016

Get in touch with
Carl van Walraven

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Carl van Walraven

ICES Grants

Virtual care utilization and outcomes among cancer patients receiving systemic therapy in Ontario: A population-based retrospective cohort study

VIRTUAL Study: Virtual vs In peRson comparaTive effectiveness evaluation of Anesthesiology consuLtations

STRIVE before surgery trial: a vanguard pragmatic multicenter randomized trial of Structured TRaining to Improve fitness in a Virtual Environment before surgery

PREPARE Trial: a parallel arm multicenter randomized trial of frailty-focused PReoperative Exercise to decrease PostoperAtive complication Rates and disability scorEs

Safe Analgesia For Elders receiving Peripheral Nerve Blocks for hip fracture (SAFE PNB)

Examining the relationship between repeated blood donations in female donors on maternal/neonatal outcomes: a cohort study

Access and outcomes of kidney transplantation in Ontario: Is there a socioeconomic gradient?

The Effect of Post-discharge Outpatient Care on unplanned readmissions: the EPOC-readmission study

Journal Articles

Description and validation of the Postoperative Discharge Recovery State outcome: a patient-partnered population-based cohort study

Development of the multivariate administrative data cystectomy model and its impact on misclassification bias

Predictive models for kidney recovery and death in patients continuing dialysis as outpatients after starting in hospital

The independent association between plasma and red blood cell zinc levels with long-term outcomes of hospitalized patients

Outcomes following coronary artery bypass grafting with multiple arterial grafting by pump status in men and women

Guideline-concordant antibiotic therapy for the hospital treatment of community-acquired pneumonia and 1-year all-cause and cardiovascular mortality in elderly patients surviving to discharge

Primary preventative care of hematopoietic stem cell transplant survivors: time to educate and empower recipients and providers

Positive predictive value of primary subarachnoid hemorrhage diagnoses on death certificates

Derivation and external validation of a 30-day mortality risk prediction model for older patients having emergency general surgery

The risk of death or unplanned readmission after discharge from a COVID-19 hospitalization in Alberta and Ontario

News Coverage

Researchers find unexpected association between younger donor age, female sex and transfusion outcomes

Ontarians more likely to survive 1 year after hospitalization: study

Hospital rankings dramatically affected by calculation methods

Simple tool identifies patients who may need closer monitoring after leaving hospital

Continuity of physician care does not reduce repeat lab tests

Patients should see hospital physicians after discharge

Get in touch with
Carl van Walraven

Carl van Walraven

ICES Grants

Virtual care utilization and outcomes among cancer patients receiving systemic therapy in Ontario: A population-based retrospective cohort study

VIRTUAL Study: Virtual vs In peRson comparaTive effectiveness evaluation of Anesthesiology consuLtations

STRIVE before surgery trial: a vanguard pragmatic multicenter randomized trial of Structured TRaining to Improve fitness in a Virtual Environment before surgery

PREPARE Trial: a parallel arm multicenter randomized trial of frailty-focused PReoperative Exercise to decrease PostoperAtive complication Rates and disability scorEs

Safe Analgesia For Elders receiving Peripheral Nerve Blocks for hip fracture (SAFE PNB)

Examining the relationship between repeated blood donations in female donors on maternal/neonatal outcomes: a cohort study

Access and outcomes of kidney transplantation in Ontario: Is there a socioeconomic gradient?

The Effect of Post-discharge Outpatient Care on unplanned readmissions: the EPOC-readmission study

Journal Articles

Description and validation of the Postoperative Discharge Recovery State outcome: a patient-partnered population-based cohort study

Development of the multivariate administrative data cystectomy model and its impact on misclassification bias

Predictive models for kidney recovery and death in patients continuing dialysis as outpatients after starting in hospital

The independent association between plasma and red blood cell zinc levels with long-term outcomes of hospitalized patients

Outcomes following coronary artery bypass grafting with multiple arterial grafting by pump status in men and women

Guideline-concordant antibiotic therapy for the hospital treatment of community-acquired pneumonia and 1-year all-cause and cardiovascular mortality in elderly patients surviving to discharge

Primary preventative care of hematopoietic stem cell transplant survivors: time to educate and empower recipients and providers

Positive predictive value of primary subarachnoid hemorrhage diagnoses on death certificates

Derivation and external validation of a 30-day mortality risk prediction model for older patients having emergency general surgery

The risk of death or unplanned readmission after discharge from a COVID-19 hospitalization in Alberta and Ontario

News Coverage

Researchers find unexpected association between younger donor age, female sex and transfusion outcomes

Ontarians more likely to survive 1 year after hospitalization: study

Hospital rankings dramatically affected by calculation methods

Simple tool identifies patients who may need closer monitoring after leaving hospital

Continuity of physician care does not reduce repeat lab tests

Patients should see hospital physicians after discharge

Get in touch with Carl van Walraven

Get in touch with
Carl van Walraven