World's Best Scientists 2026 revealed!
Carl van Walraven

Carl van Walraven

D-Index & Metrics

Medicine

D-Index
77
Citations
25518
World Ranking
18326
National Ranking
774

Overview

Carl van Walraven is affiliated with the University of Ottawa in Canada and has contributed extensively to research in the field of Medicine. Their work spans several subfields including Cardiology and Cardiovascular Medicine, Surgery, Physiology, Epidemiology, and Geriatrics and Gerontology.

The main topics of their research include:

  • Cardiac, Anesthesia and Surgical Outcomes
  • Frailty in Older Adults
  • Hip and Femur Fractures
  • Health Systems, Economic Evaluations, Quality of Life
  • Emergency and Acute Care Studies
  • Trace Elements in Health
  • Meta-analysis and systematic reviews

Carl van Walraven has published frequently in the following venues:

  • British Journal of Anaesthesia
  • Journal of General Internal Medicine
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Canadian Journal of Anesthesia/Journal canadien d anesthésie
  • Canadian Medical Association Journal

Their recent papers include:

  • Home-based prehabilitation with exercise to improve postoperative recovery for older adults with frailty having cancer surgery: the PREHAB randomised clinical trial, 2022, British Journal of Anaesthesia
  • Frailty and long-term postoperative disability trajectories: a prospective multicentre cohort study, 2020, British Journal of Anaesthesia
  • Barriers and facilitators to participation in exercise prehabilitation before cancer surgery for older adults with frailty: a qualitative study, 2023, BMC Geriatrics
  • A Bayesian Comparison of Frailty Instruments in Noncardiac Surgery: A Cohort Study, 2020, Anesthesia & Analgesia
  • Evaluation of a preoperative personalized risk communication tool: a prospective before-and-after study, 2020, Canadian Journal of Anesthesia/Journal canadien d anesthésie

Frequent co-authors collaborating with Carl van Walraven are:

  • Daniel I. McIsaac
  • Luke T. Lavallée
  • Alan J. Forster
  • Emily Hladkowicz
  • Husein Moloo

Best Publications

  • A modification of the Elixhauser comorbidity measures into a point system for hospital death using administrative data.

    Carl van Walraven;Peter C. Austin;Alison Jennings;Hude Quan

  • Derivation and validation of an index to predict early death or unplanned readmission after discharge from hospital to the community

    Carl van Walraven;Irfan A. Dhalla;Chaim Bell;Edward Etchells

  • Oral anticoagulants vs aspirin in nonvalvular atrial fibrillation: an individual patient meta-analysis.

    Carl van Walraven;Robert G. Hart;Daniel E. Singer;Andreas Laupacis

  • Adverse events among medical patients after discharge from hospital

    Alan J. Forster;Heather D. Clark;Alex Menard;Natalie Dupuis

  • Selecting Patients With Atrial Fibrillation for Anticoagulation Stroke Risk Stratification in Patients Taking Aspirin

    Brian F. Gage;Carl van Walraven;Lesly Pearce;Robert G. Hart

  • Proportion of hospital readmissions deemed avoidable: a systematic review

    Carl van Walraven;Carol Bennett;Alison Jennings;Peter C. Austin

  • The association between continuity of care and outcomes: a systematic and critical review

    Carl Van Walraven;Natalie Oake;Alison Jennings;Alan J. Forster

  • Effect of Study Setting on Anticoagulation Control* A Systematic Review and Metaregression

    Carl van Walraven;Alison Jennings;Natalie Oake;Dean Fergusson

  • Clinical inertia in response to inadequate glycemic control: do specialists differ from primary care physicians?

    Baiju R. Shah;Janet E. Hux;Andreas Laupacis;Bernard Zinman

  • The effect of hospital occupancy on emergency department length of stay and patient disposition.

    Alan J Forster;Ian Stiell;George Wells;Alexander J Lee

  • Effect of Age on Stroke Prevention Therapy in Patients With Atrial Fibrillation: The Atrial Fibrillation Investigators

    Carl van Walraven;Robert G. Hart;Stuart Connolly;Peter C. Austin

  • Effect of discharge summary availability during post-discharge visits on hospital readmission.

    Carl van Walraven;Ratika Seth;Peter C Austin;Andreas Laupacis

  • Inhibition of serotonin reuptake by antidepressants and upper gastrointestinal bleeding in elderly patients: retrospective cohort study.

    C van Walraven;M M Mamdani;P S Wells;J I Williams

  • Time-dependent bias was common in survival analyses published in leading clinical journals

    Carl van Walraven;Darryl Davis;Alan J. Forster;George A. Wells

  • Maternal age and risk of stillbirth: a systematic review

    Ling Huang;Reg Sauve;Nicholas Birkett;Dean Fergusson

  • Using the Johns Hopkins Aggregated Diagnosis Groups (ADGs) to predict mortality in a general adult population cohort in Ontario, Canada.

    Peter C. Austin;Carl van Walraven;Walter P. Wodchis;Alice Newman

  • Prevalence of information gaps in the emergency department and the effect on patient outcomes

    Andrew Stiell;Alan J. Forster;Ian G. Stiell;Carl van Walraven

  • Mycophenolate Mofetil Dose Reduction and the Risk of Acute Rejection after Renal Transplantation

    Greg A. Knoll;Ian MacDonald;Asmat Khan;Carl van Walraven

  • Ottawa Hospital Patient Safety Study: incidence and timing of adverse events in patients admitted to a Canadian teaching hospital

    Alan J. Forster;Tim R. Asmis;Heather D. Clark;Ghiath Al Saied

  • A clinical prediction rule to identify patients with atrial fibrillation and a low risk for stroke while taking aspirin.

    Carl van Walraven;Robert G. Hart;George A. Wells;Palle Petersen

Frequent Co-Authors

Dean Fergusson
Dean Fergusson Ottawa Hospital
Peter C. Austin
Peter C. Austin University of Toronto
Ian G. Stiell
Ian G. Stiell University of Ottawa
Finlay A. McAlister
Finlay A. McAlister University of Alberta
Amit X. Garg
Amit X. Garg University of Western Ontario
Robert G. Hart
Robert G. Hart Population Health Research Institute
Chaim M. Bell
Chaim M. Bell University of Toronto
Andreas Laupacis
Andreas Laupacis St. Michael's Hospital
Duminda N. Wijeysundera
Duminda N. Wijeysundera University of Toronto
Justin A. Ezekowitz
Justin A. Ezekowitz University of Alberta

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

If you’re interested in the healthcare field but unsure whether traditional medical school is right for you, there are alternative online degrees and career pathways worth exploring. Many students choose flexible options such as online ADN programs for non nurses, which help those without prior nursing experience enter the nursing profession quickly.

For students interested in important administrative roles, accredited programs for accredited medical billing and coding schools online with financial aid offer valuable training and financial support. Billing and coding professionals are essential to the effective operation of hospitals and clinics.

If standardized tests are a barrier, consider an lpn program without teas test. These programs remove common entrance exam requirements, making the pathway to becoming a Licensed Practical Nurse more accessible.

For those interested in management or leadership, an healthcare administration degree can quickly prepare you for roles overseeing hospital departments, clinics, or entire healthcare organizations.

These online programs offer diverse options to start or advance your healthcare career, with flexibility to fit your lifestyle.

Best Scientists Citing Carl van Walraven

Trending Scientists