Sam Schulman

58.3k total citations · 17 hit papers
501 papers, 34.5k citations indexed

About

Sam Schulman is a scholar working on Internal Medicine, Cardiology and Cardiovascular Medicine and Hematology. According to data from OpenAlex, Sam Schulman has authored 501 papers receiving a total of 34.5k indexed citations (citations by other indexed papers that have themselves been cited), including 284 papers in Internal Medicine, 273 papers in Cardiology and Cardiovascular Medicine and 162 papers in Hematology. Recurrent topics in Sam Schulman's work include Venous Thromboembolism Diagnosis and Management (284 papers), Atrial Fibrillation Management and Outcomes (243 papers) and Blood Coagulation and Thrombosis Mechanisms (101 papers). Sam Schulman is often cited by papers focused on Venous Thromboembolism Diagnosis and Management (284 papers), Atrial Fibrillation Management and Outcomes (243 papers) and Blood Coagulation and Thrombosis Mechanisms (101 papers). Sam Schulman collaborates with scholars based in Canada, Sweden and United States. Sam Schulman's co-authors include Clive Kearon, David Bergqvist, Ulf Angerås, Bengt O. Eriksson, Winfield S. Fisher, Michael R. Lassen, Henry Eriksson, Samuel Z. Goldhaber, Sebastian Schellong and Ajay K. Kakkar and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Circulation.

In The Last Decade

Sam Schulman

482 papers receiving 33.5k 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.

Definition of major bleeding in clinical investigations of antihemostatic medicinal products in non‐surgical patients

2005 3.5k citations Sam Schulman, Clive Kearon Journal of Thrombosis and Haemostasis profile →
Definition of major bleeding in clinical investigations of antihemostatic medicinal products in surgical patients

2009 3.0k citations Sam Schulman et al. Journal of Thrombosis and Haemostasis profile →
Prevention of VTE in Nonsurgical Patients

2012 2.0k citations Susan R. Kahn, Sam Schulman et al. profile →
Dabigatran versus Warfarin in the Treatment of Acute Venous Thromboembolism

2009 1.9k citations Sam Schulman, Clive Kearon et al. New England Journal of Medicine profile →
Prevention of VTE in Orthopedic Surgery Patients

2012 1.4k citations Sam Schulman et al. profile →
Definition of clinically relevant non‐major bleeding in studies of anticoagulants in atrial fibrillation and venous thromboembolic disease in non‐surgical patients: communication from the SSC of the ISTH

2015 927 citations Scott Kaatz, Alex C. Spyropoulos et al. Journal of Thrombosis and Haemostasis profile →
Evidence-Based Management of Anticoagulant Therapy

2012 887 citations Anne Holbrook, Sam Schulman et al. profile →
Extended Use of Dabigatran, Warfarin, or Placebo in Venous Thromboembolism

2013 713 citations Sam Schulman, Clive Kearon et al. New England Journal of Medicine profile →
Antithrombotic Therapy for Atrial Fibrillation

2012 697 citations Sam Schulman, Frederick A. Spencer et al. profile →
Treatment of Acute Venous Thromboembolism With Dabigatran or Warfarin and Pooled Analysis

2013 688 citations Sam Schulman, Clive Kearon et al. Circulation profile →
A Comparison of Six Weeks with Six Months of Oral Anticoagulant Therapy after a First Episode of Venous Thromboembolism

1995 665 citations Sam Schulman, Per Lindmarker et al. New England Journal of Medicine profile →
2022 Guideline for the Management of Patients With Spontaneous Intracerebral Hemorrhage: A Guideline From the American Heart Association/American Stroke Association

2022 663 citations Sam Schulman et al. profile →
Treatment and Prevention of Heparin-Induced Thrombocytopenia

2012 660 citations Sam Schulman et al. profile →
Perioperative Bridging Anticoagulation in Patients with Atrial Fibrillation

2015 646 citations Sam Schulman et al. New England Journal of Medicine profile →
Direct oral anticoagulants compared with vitamin K antagonists for acute venous thromboembolism: evidence from phase 3 trials

2014 581 citations Nick van Es, Michiel Coppens et al. Blood profile →
Hemorrhagic Complications of Anticoagulant and Thrombolytic Treatment

2008 517 citations Sam Schulman, Clive Kearon et al. profile →
Management of rivaroxaban- or apixaban-associated major bleeding with prothrombin complex concentrates: a cohort study

2017 234 citations Ammar Majeed, Sam Schulman et al. Blood profile →

Peers

Countries citing papers authored by Sam Schulman

Since Specialization

Citations

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

Fields of papers citing papers by Sam Schulman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sam Schulman. 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 Sam Schulman. The network helps show where Sam Schulman may publish in the future.

Co-authorship network of co-authors of Sam Schulman

This figure shows the co-authorship network connecting the top 25 collaborators of Sam Schulman. A scholar is included among the top collaborators of Sam Schulman 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 Sam Schulman. Sam Schulman 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	Recent Advances in Thrombosis and Hemostasis—Part XII 2025 ·Seminars in Thrombosis and Hemostasis ·Sam Schulman	1
2	The Basic Principles of Pathophysiology of Venous Thrombosis 2024 ·International Journal of Molecular Sciences ·Sam Schulman, А. D. Makatsariya, J. Kh. Khizroeva, В. О. Бицадзе, (unknown)	8
3	Clinical course and treatment of incidentally detected splanchnic vein thrombosis: an individual patient data meta-analysis 2023 ·Journal of Thrombosis and Haemostasis ·Matteo Candeloro, Emanuele Valeriani, Manuel Monréal, Walter Ageno, Nicoletta Riva, Sam Schulman, Soo‐Mee Bang, (unknown), José Antonio Díaz‐Peromingo, Jorge Moisés, (unknown), Juan Carlos García‐Pagán, Valeria Pérez‐Campuzano, Marco Senzolo, Andrea De Gottardi, Marcello Di Nisio	6
4	The risk of major bleeding in patients with factor V Leiden or prothrombin G20210A gene mutation while on extended anticoagulant treatment for venous thromboembolism 2023 ·Journal of Thrombosis and Haemostasis ·Lucia Caiano, Michael J. Kovacs, Alejandro Lazo‐Langner, David R. Anderson, Susan R. Kahn, Vinay Shah, Scott Kaatz, (unknown), Sam Schulman, Isabelle Chagnon, Ranjeeta Mallick, Marc Rodger, Philip S. Wells	3
5	Periprocedural management of direct oral anticoagulants in patients with atrial fibrillation and active cancer 2023 ·Journal of Thrombosis and Haemostasis ·Joseph R. Shaw, Na Li, (unknown), Steffan Frosi Stella, (unknown), (unknown), Alex C. Spyropoulos, Sam Schulman, Tzu‐Fei Wang, Marc Carrier, James D. Douketis	2
6	Antithrombotic management of patients with deep vein thrombosis and venous stents: an international registry 2023 ·Journal of Thrombosis and Haemostasis ·(unknown), Darrin Applegate, Scott M. Stevens, Scott C. Woller, (unknown), (unknown), Tzu‐Fei Wang, Ramón Lecumberri, (unknown), (unknown), (unknown), (unknown), Sam Schulman, Gary Foster, (unknown)	2
7	ISTH guidelines for antithrombotic treatment in COVID‐19 2022 ·Journal of Thrombosis and Haemostasis ·Sam Schulman, Michelle Sholzberg, Alex C. Spyropoulos, Ryan Zarychanski, (unknown), Charlotte Bradbury, Jean M. Connors, Anna Falanga, Toshiaki Iba, Scott Kaatz, Jerrold H. Levy, Saskia Middeldorp, Tracy Minichiello, Eduardo Ramacciotti, Charles Marc Samama, Jecko Thachil, (unknown), (unknown)	91
8	Practical Recommendations for Optimal Thromboprophylaxis in Patients with COVID-19: A Consensus Statement Based on Available Clinical Trials 2022 ·Journal of Clinical Medicine ·Konstantinos G. Kyriakoulis, Evangelos Dimakakos, (unknown), M. Catalano, Alex C. Spyropoulos, Sam Schulman, James D. Douketis, Anna Falanga, Anthony Maraveyas, Dan-Mircea Olinic, J. J. F. Belch, Grigoris Gerotziafas, Konstantinos Syrigos, Αναστάσιος Κόλλιας	10
9	Good practice statements for antithrombotic therapy in the management of COVID‐19: Guidance from the SSC of the ISTH 2022 ·Journal of Thrombosis and Haemostasis ·Alex C. Spyropoulos, Jean M. Connors, James D. Douketis, Mark Goldin, Beverley J. Hunt, Taiwo R. Kotila, Renato D. Lópes, Sam Schulman, (unknown)	24
10	Pathogenetic and prognostic significance of inflammation and altered ADAMTS-13/vWF axis in patients with severe COVID-19 2022 ·SHILAP Revista de lepidopterología ·В. О. Бицадзе, J. Kh. Khizroeva, Jean‐Christophe Gris, Sam Schulman, (unknown), M. V. Tretyakova, (unknown), (unknown), (unknown), Mikhail Petrovskiy, (unknown), Д. В. Блинов, В. И. Цибизова, (unknown), (unknown), (unknown), А. D. Makatsariya	5
11	Deep Vein Thrombosis Diagnosis with D-Dimer Adjusted to Clinical Probability 2020 ·Blood ·Kerstin de Wit, (unknown), Sam Schulman, Fred Spencer, (unknown), Marc Afilalo, Susan R. Kahn, Grégoire Le Gal, Sudeep Shivakumar, Shannon M. Bates, Cynthia Wu, Alejandro Lazo‐Langner, Frédérick D’Aragon, Jean-François Deshaies, (unknown), Jim A. Julian, Clive Kearon	1
12	Predictors of Bleeding in the Perioperative Anticoagulant Use for Surgery Evaluation Study 2020 ·Journal of the American Heart Association ·Alfonso Tafur, Nathan P. Clark, Alex C. Spyropoulos, Na Li, Eric Kaplovitch, (unknown), Sam Schulman, Joseph A. Caprini, James D. Douketis	31
13	Development of a standardized definition of pulmonary embolism‐related death: A cross‐sectional survey of international thrombosis experts 2020 ·Journal of Thrombosis and Haemostasis ·Tobias Tritschler, Noémie Kraaijpoel, Nicole Langlois, Philippe Girard, Sam Schulman, Harry R. Büller, Annelise Segers, Marc Righini, Grégoire Le Gal	8
14	Management of direct factor Xa inhibitor–related major bleeding with prothrombin complex concentrate: a meta-analysis 2019 ·Blood Advances ·Siavash Piran, Rasha Khatib, Sam Schulman, Ammar Majeed, Anne Holbrook, Daniel M. Witt, Wojtek Wiercioch, Holger J. Schünemann, Robby Nieuwlaat	84
15	Diagnosis of Pulmonary Embolism with d -Dimer Adjusted to Clinical Probability 2019 ·New England Journal of Medicine ·Clive Kearon, Kerstin de Wit, Sameer Parpia, Sam Schulman, Marc Afilalo, Andrew Hirsch, Frederick A. Spencer, (unknown), Frédérick D’Aragon, Jean-François Deshaies, Grégoire Le Gal, Alejandro Lazo‐Langner, Cynthia Wu, (unknown), Shannon M. Bates, Jim A. Julian	188
16	Direct oral anticoagulants compared with vitamin K antagonists for acute venous thromboembolism: evidence from phase 3 trials breakdown → 2014 ·Blood ·Nick van Es, Michiel Coppens, Sam Schulman, Saskia Middeldorp, Harry R. Büller	581
17	Management and Outcomes of Major Bleeding During Treatment With Dabigatran or Warfarin 2013 ·Circulation ·Ammar Majeed, Hun-Gyu Hwang, Stuart J. Connolly, John W. Eikelboom, Michael D. Ezekowitz, Lars Wallentin, Martina Brueckmann, Mandy Fraessdorf, Salim Yusuf, Sam Schulman	209
18	Abstract 2003 ·Journal of Thrombosis and Haemostasis ·Sam Schulman	1
19	Increased Fetal Loss in Women With Heritable Thrombophilia 1997 ·Obstetrical & Gynecological Survey ·F E Preston, Frits R. Rosendaal, Isobel D. Walker, E Briët, Erik Berntorp, J. Conard, J. Fontcuberta, Michael Makris, Giuliano Mariani, William D. Noteboom, Ingrid Pabinger, Cristina Legnani, I. Scharrer, Sam Schulman, F.J.M. van der Meer	40
20	A Comparison of Six Weeks With Six Months of Oral Anticoagulant Therapy After a First Episode of Venous Thromboembolism 1996 ·Obstetrical & Gynecological Survey ·Sam Schulman, (unknown), Per Lindmarker, Anders Carlsson, Gerd Lärfars, Peter Nicol, (unknown), (unknown), Bengt Ljungberg, (unknown), (unknown), (unknown), Barbro Leijd, K. Jönsson, Martin Hjorth, (unknown), Jonas Boberg	36

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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