Theodore E. Warkentin

39.9k total citations · 13 hit papers
326 papers, 25.1k citations indexed

About

Theodore E. Warkentin is a scholar working on Surgery, Hematology and Internal Medicine. According to data from OpenAlex, Theodore E. Warkentin has authored 326 papers receiving a total of 25.1k indexed citations (citations by other indexed papers that have themselves been cited), including 267 papers in Surgery, 175 papers in Hematology and 161 papers in Internal Medicine. Recurrent topics in Theodore E. Warkentin's work include Heparin-Induced Thrombocytopenia and Thrombosis (263 papers), Platelet Disorders and Treatments (167 papers) and Venous Thromboembolism Diagnosis and Management (161 papers). Theodore E. Warkentin is often cited by papers focused on Heparin-Induced Thrombocytopenia and Thrombosis (263 papers), Platelet Disorders and Treatments (167 papers) and Venous Thromboembolism Diagnosis and Management (161 papers). Theodore E. Warkentin collaborates with scholars based in Canada, United States and Germany. Theodore E. Warkentin's co-authors include Andreas Greinacher, John G. Kelton, Jo‐Ann I. Sheppard, Peter Horsewood, Jane C. Moore, Jack Hirsh, J. G. Kelton, Mark Crowther, Robin S. Roberts and Christopher Sigouin and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Journal of Biological Chemistry.

In The Last Decade

Theodore E. Warkentin

317 papers receiving 24.2k citations

Hit Papers

5 papers align trajectories

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.

Heparin-Induced Thrombocytopenia in Patients Treated with Low-Molecular-Weight Heparin or Unfractionated Heparin

1995 1.7k citations Theodore E. Warkentin, Peter Horsewood et al. profile →
Thrombotic Thrombocytopenia after ChAdOx1 nCov-19 Vaccination

2021 1.4k citations Andreas Greinacher, Thomas Thiele et al. profile →
A 14-year study of heparin-induced thrombocytopenia

1996 677 citations Theodore E. Warkentin, John G. Kelton profile →
Evaluation of pretest clinical score (4 T's) for the diagnosis of heparin‐induced thrombocytopenia in two clinical settings

2006 675 citations Theodore E. Warkentin, Andreas Greinacher et al. Journal of Thrombosis and Haemostasis profile →
Temporal Aspects of Heparin-Induced Thrombocytopenia

2001 663 citations Theodore E. Warkentin et al. profile →
Impact of the patient population on the risk for heparin-induced thrombocytopenia

2000 646 citations Theodore E. Warkentin, Jo‐Ann I. Sheppard et al. Blood profile →
Treatment and Prevention of Heparin-Induced Thrombocytopenia

2008 568 citations Theodore E. Warkentin, Andreas Greinacher et al. profile →
Heparin-Induced Thrombocytopenia: Recognition, Treatment, and Prevention

2004 550 citations Theodore E. Warkentin, Andreas Greinacher profile →
American Society of Hematology 2018 guidelines for management of venous thromboembolism: heparin-induced thrombocytopenia

2018 411 citations Adam Cuker, Beng H. Chong et al. Blood Advances profile →
Diagnosis and management of sepsis‐induced coagulopathy and disseminated intravascular coagulation

2019 330 citations Toshiaki Iba, Jerrold H. Levy et al. Journal of Thrombosis and Haemostasis profile →
The unique characteristics of COVID-19 coagulopathy

2020 329 citations Toshiaki Iba, Jerrold H. Levy et al. profile →
Autoimmune heparin‐induced thrombocytopenia

2017 271 citations Andreas Greinacher, Theodore E. Warkentin et al. Journal of Thrombosis and Haemostasis profile →
Adjunct Immune Globulin for Vaccine-Induced Immune Thrombotic Thrombocytopenia

2021 128 citations Theodore E. Warkentin, John G. Kelton et al. profile →

Peers

Countries citing papers authored by Theodore E. Warkentin

Since Specialization

Citations

This map shows the geographic impact of Theodore E. Warkentin'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 Theodore E. Warkentin with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Theodore E. Warkentin more than expected).

Fields of papers citing papers by Theodore E. Warkentin

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Theodore E. Warkentin. 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 Theodore E. Warkentin. The network helps show where Theodore E. Warkentin may publish in the future.

Co-authorship network of co-authors of Theodore E. Warkentin

This figure shows the co-authorship network connecting the top 25 collaborators of Theodore E. Warkentin. A scholar is included among the top collaborators of Theodore E. Warkentin 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 Theodore E. Warkentin. Theodore E. Warkentin is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Profound Thrombocytopenia and Dyspnea 11 Days After Cardiac Surgery 2025 ·American Journal of Hematology ·(unknown), Menaka Pai, Sarah Patterson, Theodore E. Warkentin	1
2	Mini-clusters of postadenovirus VITT 2024 ·Research and Practice in Thrombosis and Haemostasis ·Michele P. Lambert, Theodore E. Warkentin	4
3	Heparin-induced thrombocytopenia (and autoimmune heparin-induced thrombocytopenia): an illustrious review 2023 ·Research and Practice in Thrombosis and Haemostasis ·Theodore E. Warkentin	4
4	Thrombotic anti-PF4 immune disorders: HIT, VITT, and beyond 2023 ·Hematology ·Andreas Greinacher, Theodore E. Warkentin	22
5	Quantitative interpretation of PF4/heparin‐EIA optical densities in predicting platelet‐activating VITT antibodies 2022 ·Journal of Thrombosis and Haemostasis ·Linda Schönborn, Thomas Thiele, (unknown), (unknown), Jan Wesche, (unknown), Lars Kaderali, Martina Wolff, Theodore E. Warkentin, Andreas Greinacher	14
6	Managing thrombosis and cardiovascular complications of COVID-19: answering the questions in COVID-19-associated coagulopathy 2021 ·Expert Review of Respiratory Medicine ·Toshiaki Iba, Jerrold H. Levy, Jean M. Connors, Theodore E. Warkentin, Jecko Thachil, Marcel Levi	12
7	ISTH DIC subcommittee communication on anticoagulation in COVID‐19 2020 ·Journal of Thrombosis and Haemostasis ·Jecko Thachil, Nicole P. Juffermans, Marco Ranucci, Jean M. Connors, Theodore E. Warkentin, Thomas L. Ortel, Marcel Levi, Toshiaki Iba, Jerrold H. Levy	50
8	Maximum 24‐hour platelet count fall: Metric for improving the diagnosis of heparin‐induced thrombocytopenia among patients with intermediate probability 4Ts scores 2020 ·Journal of Thrombosis and Haemostasis ·(unknown), Adam Cuker, Lori‐Ann Linkins, Theodore E. Warkentin, Allyson M. Pishko	5
9	Management of heparin-induced thrombocytopenia: systematic reviews and meta-analyses 2020 ·Blood Advances ·Rebecca L. Morgan, Vahid Ashoorion, Adam Cuker, Housne Begum, Stephanie Ross, (unknown), Beng H. Chong, Lori Ann Linkins, Theodore E. Warkentin, Wojtek Wiercioch, Robby Nieuwlaat, Holger J. Schünemann, Nancy Santesso	14
10	COVID-19 versus HIT hypercoagulability 2020 ·Thrombosis Research ·Theodore E. Warkentin, Scott Kaatz	30
11	A practical approach to evaluating postoperative thrombocytopenia 2020 ·Blood Advances ·Leslie Skeith, Lisa Baumann Kreuziger, Mark Crowther, Theodore E. Warkentin	32
12	Fibronectin modulates formation of PF4/heparin complexes and is a potential factor for reducing risk of developing HIT 2018 ·Blood ·Krystin Krauel, (unknown), Theodore E. Warkentin, (unknown), Sven Van Brandt, Inga Jensch, (unknown), Elke Hammer, Sven Hammerschmidt, Andreas Greinacher	15
13	Heparin-Induced Thrombocytopenia 2018 ·The Canadian Journal of Hospital Pharmacy ·Theodore E. Warkentin, David Rosenbloom	1
14	Direct oral anticoagulants for treatment of HIT: update of Hamilton experience and literature review 2017 ·Blood ·Theodore E. Warkentin, Menaka Pai, Lori‐Ann Linkins	117
15	Spontaneous HIT syndrome post-knee replacement surgery with delayed recovery of thrombocytopenia: a case report and literature review 2017 ·Platelets ·Dilli Ram Poudel, Sushil Ghimire, Rashmi Dhital, (unknown), Theodore E. Warkentin	44
16	Serological investigation of patients with a previous history of heparin-induced thrombocytopenia who are reexposed to heparin 2014 ·Blood ·Theodore E. Warkentin, Jo‐Ann I. Sheppard	62
17	Platelet Count Monitoring and Laboratory Testing for Heparin-Induced Thrombocytopenia Recommendations of the College of American Pathologists 2002 ·Archives of Pathology & Laboratory Medicine ·Theodore E. Warkentin	28
18	Morphological analysis of microparticle generation in heparin-induced thrombocytopenia 2000 ·Blood ·Mary J. Hughes, Catherine P.M. Hayward, Theodore E. Warkentin, Peter Horsewood, Katherine Chorneyko, John G. Kelton	165
19	Heparin-Induced Thrombocytopenia: A Ten-Year Retrospective 1999 ·Annual Review of Medicine ·Theodore E. Warkentin	93
20	Limitations of conventional treatment options for heparin-induced thrombocytopenia. 1998 ·PubMed ·Theodore E. Warkentin	44

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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