Carl van Walraven

22.4k total citations · 7 hit papers
265 papers, 16.5k citations indexed

About

Carl van Walraven is a scholar working on Cardiology and Cardiovascular Medicine, Emergency Medicine and Economics and Econometrics. According to data from OpenAlex, Carl van Walraven has authored 265 papers receiving a total of 16.5k indexed citations (citations by other indexed papers that have themselves been cited), including 72 papers in Cardiology and Cardiovascular Medicine, 51 papers in Emergency Medicine and 50 papers in Economics and Econometrics. Recurrent topics in Carl van Walraven's work include Emergency and Acute Care Studies (44 papers), Cardiac, Anesthesia and Surgical Outcomes (42 papers) and Healthcare Policy and Management (32 papers). Carl van Walraven is often cited by papers focused on Emergency and Acute Care Studies (44 papers), Cardiac, Anesthesia and Surgical Outcomes (42 papers) and Healthcare Policy and Management (32 papers). Carl van Walraven collaborates with scholars based in Canada, United States and United Kingdom. Carl van Walraven's co-authors include Alan J. Forster, Peter C. Austin, Alison Jennings, Hude Quan, Ian G. Stiell, Natalie Oake, Daniel I. McIsaac, Gregory L. Bryson, George A. Wells and Robert G. Hart and has published in prestigious journals such as JAMA, Circulation and Journal of Clinical Oncology.

In The Last Decade

Carl van Walraven

256 papers receiving 15.9k citations

Hit Papers

A Modification of the Elixhauser Comorbidity Measures Int... 2002 2026 2010 2018 2009 2010 2004 2004 2002 500 1000 1.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. A Modification of the Elixhauser Comorbidity Measures Into a Point System for Hospital Death Using Administrative Data
    2009 1.7k citations Carl van Walraven, Peter C. Austin et al. profile →
  2. Derivation and validation of an index to predict early death or unplanned readmission after discharge from hospital to the community
    2010 694 citations Carl van Walraven, Chaim M. Bell et al. profile →
  3. Adverse events among medical patients after discharge from hospital.
    2004 606 citations Alan J. Forster, Asmat Ullah Khan et al. profile →
  4. Selecting Patients With Atrial Fibrillation for Anticoagulation
    2004 550 citations Carl van Walraven, Robert G. Hart et al. profile →
  5. Oral Anticoagulants vs Aspirin in Nonvalvular Atrial Fibrillation
    2002 534 citations Carl van Walraven, Robert G. Hart et al. profile →
  6. Proportion of hospital readmissions deemed avoidable: a systematic review
    2011 534 citations Carl van Walraven, Peter C. Austin et al. profile →
  7. The association between continuity of care and outcomes: a systematic and critical review
    2010 453 citations Carl van Walraven, Alan J. Forster et al. Journal of Evaluation in Clinical Practice profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Carl van Walraven Canada 68 5.5k 3.2k 2.9k 2.8k 2.8k 265 16.5k
David J. Magid United States 66 7.6k 1.4× 3.8k 1.2× 2.8k 1.0× 2.5k 0.9× 1.6k 0.6× 238 17.9k
Alan J. Forster Canada 53 3.7k 0.7× 3.6k 1.1× 3.1k 1.1× 2.0k 0.7× 2.3k 0.8× 279 14.2k
Chaim M. Bell Canada 69 2.2k 0.4× 2.5k 0.8× 3.1k 1.1× 1.8k 0.7× 3.0k 1.1× 502 17.8k
Vijaya Sundararajan Australia 40 3.1k 0.6× 2.1k 0.7× 2.3k 0.8× 4.3k 1.6× 4.9k 1.8× 209 20.3k
Anne Elixhauser United States 48 2.7k 0.5× 2.4k 0.7× 3.0k 1.0× 3.6k 1.3× 3.1k 1.1× 218 15.7k
Bernard Burnand Switzerland 51 3.0k 0.5× 1.7k 0.5× 3.8k 1.3× 4.1k 1.5× 4.7k 1.7× 302 20.2k
Larry A. Allen United States 62 11.1k 2.0× 1.6k 0.5× 1.4k 0.5× 2.4k 0.9× 1.9k 0.7× 345 16.8k
Nilay D. Shah United States 71 4.3k 0.8× 1.0k 0.3× 2.9k 1.0× 2.5k 0.9× 2.6k 0.9× 432 18.5k
Jerry H. Gurwitz United States 83 6.4k 1.2× 1.3k 0.4× 3.6k 1.2× 3.0k 1.1× 2.2k 0.8× 426 23.8k
Sumit R. Majumdar Canada 78 3.7k 0.7× 1.1k 0.3× 2.3k 0.8× 5.3k 1.9× 4.6k 1.7× 367 21.6k

Countries citing papers authored by Carl van Walraven

Since Specialization
Citations

This map shows the geographic impact of Carl van Walraven's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Carl van Walraven with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Carl van Walraven more than expected).

Fields of papers citing papers by Carl van Walraven

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Carl van Walraven. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Carl van Walraven. The network helps show where Carl van Walraven may publish in the future.

Co-authorship network of co-authors of Carl van Walraven

This figure shows the co-authorship network connecting the top 25 collaborators of Carl van Walraven. A scholar is included among the top collaborators of Carl van Walraven based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Carl van Walraven. Carl van Walraven is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
McIsaac, Daniel I., Gregory L. Bryson, Sylvain Gagné, et al.. (2024). Home-based exercise prehabilitation to improve disease-free survival and return to intended oncologic treatment after cancer surgery in older adults with frailty: a secondary analysis of a randomized trial. Canadian Journal of Anesthesia/Journal canadien d anesthésie. 71(11). 1525–1534. 1 indexed citations
2.
Walraven, Carl van, et al.. (2024). Resource utilization and cost assessment of a proactive penicillin allergy de-labeling program for low-risk inpatients. Allergy Asthma and Clinical Immunology. 20(1). 7–7. 2 indexed citations
3.
4.
Talarico, Robert, Faraj W. Abdallah, Paul E. Beaulé, et al.. (2021). Peripheral Nerve Blocks and Potentially Attributable Adverse Events in Older People with Hip Fracture: A Retrospective Population-based Cohort Study. Anesthesiology. 135(3). 454–462. 4 indexed citations
5.
McCudden, Christopher R., et al.. (2021). The Prognostic Value of Serum Zinc Levels in Acutely Hospitalized Patients: a Systematic Review. Biological Trace Element Research. 199(12). 4447–4457. 6 indexed citations
6.
Corrales‐Medina, Vicente & Carl van Walraven. (2021). Accuracy of Administrative Database Algorithms for Hospitalized Pneumonia in Adults: a Systematic Review. Journal of General Internal Medicine. 36(3). 683–690. 4 indexed citations
7.
Kendzerska, Tetyana, Carl van Walraven, Daniel I. McIsaac, et al.. (2021). Case-Ascertainment Models to Identify Adults with Obstructive Sleep Apnea Using Health Administrative Data: Internal and External Validation. Clinical Epidemiology. Volume 13. 453–467. 7 indexed citations
8.
Wegier, Pete, Allison Kurahashi, Stéphanie Saunders, et al.. (2021). mHOMR: a prospective observational study of an automated mortality prediction model to identify patients with unmet palliative needs. BMJ Supportive & Palliative Care. 14(e1). e969–e975. 13 indexed citations
9.
10.
Cassim, Raisa, Carl van Walraven, Luke T. Lavallée, et al.. (2019). Systematic radiologic detection of kidney stones in Canadian children: a new era of asymptomatic stones?. Journal of Pediatric Urology. 15(5). 467.e1–467.e7. 7 indexed citations
11.
Wegier, Pete, Ellen H. Koo, Shahin Ansari, et al.. (2019). mHOMR: a feasibility study of an automated system for identifying inpatients having an elevated risk of 1-year mortality. BMJ Quality & Safety. 28(12). 971–979. 22 indexed citations
12.
Sood, Manish M., et al.. (2019). Derivation and Validation of a Novel Risk Score to Predict Overcorrection of Severe Hyponatremia. Clinical Journal of the American Society of Nephrology. 14(7). 975–982. 21 indexed citations
13.
McIsaac, Daniel I., Duminda N. Wijeysundera, Allen Huang, Gregory L. Bryson, & Carl van Walraven. (2017). Association of the Hospital Volume of Frail Surgical Patients Cared for with Outcomes after Elective, Major Noncardiac Surgery. Anesthesiology. 126(4). 602–613. 37 indexed citations
14.
Kobewka, Daniel, Carl van Walraven, Monica Taljaard, Paul E. Ronksley, & Alan J. Forster. (2017). The prevalence of potentially preventable deaths in an acute care hospital. Medicine. 96(8). e6162–e6162. 9 indexed citations
15.
Walraven, Carl van, Jenna Wong, & Alan J. Forster. (2012). Derivation and validation of a diagnostic score based on case-mix groups to predict 30-day death or urgent readmission.. PubMed Central. 10 indexed citations
16.
Walraven, Carl van, Robert G. Hart, Stuart J. Connolly, et al.. (2009). Effect of Age on Stroke Prevention Therapy in Patients With Atrial Fibrillation. Stroke. 40(4). 1410–1416. 234 indexed citations
17.
Garg, Amit X., Muhammad Mamdani, David N. Juurlink, & Carl van Walraven. (2005). Identifying Individuals with a Reduced GFR Using Ambulatory Laboratory Database Surveillance. Journal of the American Society of Nephrology. 16(5). 1433–1439. 60 indexed citations
18.
Knoll, Greg, Ian Macdonald, Asmat Ullah Khan, & Carl van Walraven. (2003). Mycophenolate Mofetil Dose Reduction and the Risk of Acute Rejection after Renal Transplantation. Journal of the American Society of Nephrology. 14(9). 2381–2386. 247 indexed citations
19.
Austin, Peter C., Vivek Goel, & Carl van Walraven. (2001). An Introduction to Multilevel Regression Models. Canadian Journal of Public Health. 92(2). 150–154. 106 indexed citations
20.
Walraven, Carl van, Vivek Goel, & Peter C. Austin. (2000). Why are investigations not recommended by practice guidelines ordered at the periodic health examination?. Journal of Evaluation in Clinical Practice. 6(2). 215–224. 18 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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