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Deborah Siegal

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Associate Professor (Part-Time)MedicineMcMaster University

Deborah Siegal

Associate Professor (Part-Time)

Medicine

Faculty of Health Sciences

McMaster University

Hamilton, Ontario, Canada

In this role since 2026

Email ORCID

Supervision signals

Adjunct, part-time and visiting faculty usually co-supervise alongside a core faculty member.
No graduate courses on record.
94 publications in the last five years, latest in 2026.
Senior (last) author on 14 recent papers, a sign of leading a research group.
Principal investigator on 3 CIHR grants, most recently in 2020.

These signals come from public records; CIHR grant records currently run to 2022. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

208

Publications

11,118

Citations

h-index

119

Collaborators

Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

Other appointments

Population Health Research Institute (PHRI) (Joint Institute)

Academic profiles

University Profile Search on Google Scholar iDORCID OpenAlex

Social profiles

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Contact

siegald@mcmaster.ca

Research

Research areas, by share of publications

Venous Thromboembolism Diagnosis and ManagementMedicine
Atrial Fibrillation Management and OutcomesMedicine
Blood Coagulation and Thrombosis MechanismsMedicine

Research areas are derived from OpenAlex topics of their publications.

From the 150 most recent of 208 publications.

Measuring Direct Oral Anticoagulant (DOAC) Levels: Applications, Limitations, and Future Directions

Mithoowani S, Tan CW, Siegal DM

International Journal of Laboratory Hematology20267 citationsSenior author

DOI: 10.1111/ijlh.14483

Antiphospholipid antibodies and cardiovascular thrombosis

Rashedi S, Leyva H, Siddiqui SA, Bukhari S, Pfeferman MB, Watson NW, Ujueta F, Zarghami M, Bacare B, Kanthi Y

Nature Reviews Cardiology20267 citations

DOI: 10.1038/s41569-026-01269-9

Association of Direct Oral Anticoagulant-Proton Pump Inhibitor Co-Therapy with Adverse Outcomes: A Population-Based Cohort Study

Wang M, Paterson JM, Nguyen F, Siegal DM, Targownik L, Holbrook AM

Annals of Pharmacotherapy20264 citations

DOI: 10.1177/10600280251337209

Surgical and procedural bleed risk stratification for anticoagulated patients undergoing planned surgery: guidance from the ISTH SSC Subcommittee on Perioperative and Critical Care Thrombosis and Hemostasis

Shaw JR, Abdulrehman J, Stella SF, Leontiadis GI, Steffel J, Ntalouka MP, Martel G, Tikkinen KAO, Schneider P, Turrentine M

Journal of Thrombosis and Haemostasis20264 citations

DOI: 10.1016/j.jtha.2025.12.031

Association Between Bariatric Surgery and the Long‐Term Risk for Venous Thromboembolism: A Population‐Based Matched Cohort Study

Simard C, Le Gal G, Lazo‐Langner A, Tagalakis V, Grewal K, Nguyen F, Wang T, Siegal DM, Anvari M, Doumouras AG

American Journal of Hematology20262 citations

DOI: 10.1002/ajh.70186

Randomised controlled trials for the prevention of venous thromboembolism in critically ill patients: A systematic review of sample size methodologies

Bitonti TM, Durr KM, Fernando SM, Rochwerg B, Carrier M, Siegal DM, Tran A

Anaesthesia and Intensive Care20262 citations

DOI: 10.1177/0310057x251397167

Comparative analysis of radiation exposure from computed tomography and ventilation-perfusion scans in the diagnosis of pulmonary embolism: an early-onset cancer risk assessment

Simard C, Siegal DM, Nguyen L, Le Gal G, Sutradhar R, Delluc A

Journal of Thrombosis and Haemostasis20261 citations

DOI: 10.1016/j.jtha.2025.12.005

Development and Validation of the Predicting Risk of Ischemic Stroke in Malignancy Estimation Tool

Lun R, Leentjens J, Cerasuolo JO, Kirkwood D, Kapral MK, Carrier M, Siegal D, Sutradhar R

Journal of the American Heart Association20261 citations

DOI: 10.1161/jaha.125.045631

Anti-Xa Levels With Venous Thromboembolism Prophylaxis in Critical Care: A Systematic Review and Meta-Analysis

Durr KM, Ehlebracht A, Rochwerg B, Fernando SM, Gillen JR, Buccholz C, McIntyre L, Carrier M, Siegal DM, Patel R

Critical Care Medicine20261 citations

DOI: 10.1097/ccm.0000000000007079

Perioperative Management of Anticoagulation in Patients With Mechanical Heart Valves.

Hrubesz G, Chan V, Xu Y, Potere N, Miron-Celis M, Connors J, Levy JH, Siegal DM, Douketis J, Le Gal G

JAMA Network Open2026

DOI: 10.1001/jamanetworkopen.2026.32282

Researchers with similar interests

James Demetrios Douketis

Medicine

Venous Thromboembolism Diagnosis and Management, Atrial Fibrillation Management and Outcomes

Sam Schulman

Medicine

Venous Thromboembolism Diagnosis and Management, Atrial Fibrillation Management and Outcomes

Noel Chan Wan Kai

Medicine

Venous Thromboembolism Diagnosis and Management, Atrial Fibrillation Management and Outcomes

Stephanie Carlin

Medicine

Atrial Fibrillation Management and Outcomes, Venous Thromboembolism Diagnosis and Management

Jeffrey Weitz

Medicine

Venous Thromboembolism Diagnosis and Management, Atrial Fibrillation Management and Outcomes

Vinai Bhagirath

Medicine

Atrial Fibrillation Management and Outcomes, Venous Thromboembolism Diagnosis and Management

Write to this professor

A short, specific email works best. This draft uses one of their recent papers; replace the parts in brackets with your own details before sending.

Applying for

Paper to mention

Subject: Prospective PhD student: Venous Thromboembolism Diagnosis and Management Dear Professor Siegal, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Measuring Direct Oral Anticoagulant (DOAC) Levels: Applications, Limitations, and Future Directions" (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]

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Deborah Siegal

Research

Measuring Direct Oral Anticoagulant (DOAC) Levels: Applications, Limitations, and Future Directions

Antiphospholipid antibodies and cardiovascular thrombosis

Association of Direct Oral Anticoagulant-Proton Pump Inhibitor Co-Therapy with Adverse Outcomes: A Population-Based Cohort Study

Surgical and procedural bleed risk stratification for anticoagulated patients undergoing planned surgery: guidance from the ISTH SSC Subcommittee on Perioperative and Critical Care Thrombosis and Hemostasis

Association Between Bariatric Surgery and the Long‐Term Risk for Venous Thromboembolism: A Population‐Based Matched Cohort Study

Randomised controlled trials for the prevention of venous thromboembolism in critically ill patients: A systematic review of sample size methodologies

Comparative analysis of radiation exposure from computed tomography and ventilation-perfusion scans in the diagnosis of pulmonary embolism: an early-onset cancer risk assessment

Development and Validation of the Predicting Risk of Ischemic Stroke in Malignancy Estimation Tool

Anti-Xa Levels With Venous Thromboembolism Prophylaxis in Critical Care: A Systematic Review and Meta-Analysis

Perioperative Management of Anticoagulation in Patients With Mechanical Heart Valves.

Frequent collaborators

Mark Crowther

John Eikelboom

James Demetrios Douketis

Christopher Hillis

Bram Rochwerg

Emilie Belley-Cote

Researchers with similar interests

James Demetrios Douketis

Sam Schulman

Noel Chan Wan Kai

Stephanie Carlin

Jeffrey Weitz

Vinai Bhagirath