Frederick A. Spencer

18.1k total citations · 6 hit papers
112 papers, 12.0k citations indexed

About

Frederick A. Spencer is a scholar working on Cardiology and Cardiovascular Medicine, Internal Medicine and Surgery. According to data from OpenAlex, Frederick A. Spencer has authored 112 papers receiving a total of 12.0k indexed citations (citations by other indexed papers that have themselves been cited), including 84 papers in Cardiology and Cardiovascular Medicine, 70 papers in Internal Medicine and 30 papers in Surgery. Recurrent topics in Frederick A. Spencer's work include Venous Thromboembolism Diagnosis and Management (70 papers), Acute Myocardial Infarction Research (46 papers) and Atrial Fibrillation Management and Outcomes (42 papers). Frederick A. Spencer is often cited by papers focused on Venous Thromboembolism Diagnosis and Management (70 papers), Acute Myocardial Infarction Research (46 papers) and Atrial Fibrillation Management and Outcomes (42 papers). Frederick A. Spencer collaborates with scholars based in Canada, United States and United Kingdom. Frederick A. Spencer's co-authors include Frederick A. Anderson, Robert J. Goldberg, Darleen Lessard, Richard H. White, Joel M. Gore, John A. Heit, Alex C. Spyropoulos, Mark H. Eckman, James D. Douketis and Andrew Dunn and has published in prestigious journals such as New England Journal of Medicine, Circulation and Blood.

In The Last Decade

Frederick A. Spencer

111 papers receiving 11.6k citations

Hit Papers

Risk Factors for Venous Thromboembolism 2003 2026 2010 2018 2003 2012 2016 2012 2010 400 800 1.2k
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. Risk Factors for Venous Thromboembolism
    2003 1.2k citations Frederick A. Anderson, Frederick A. Spencer Circulation profile →
  2. Perioperative Management of Antithrombotic Therapy
    2012 1.1k citations Alex C. Spyropoulos, Frederick A. Spencer et al. CHEST Journal profile →
  3. The epidemiology of venous thromboembolism
    2016 698 citations Frederick A. Spencer et al. Journal of Thrombosis and Thrombolysis profile →
  4. Antithrombotic Therapy for Atrial Fibrillation
    2012 697 citations Sam Schulman, Frederick A. Spencer et al. CHEST Journal profile →
  5. Recent Trends in the Incidence, Treatment, and Outcomes of Patients with STEMI and NSTEMI
    2010 479 citations David D. McManus, Joel M. Gore et al. profile →
  6. American Society of Hematology 2018 guidelines for management of venous thromboembolism: prophylaxis for hospitalized and nonhospitalized medical patients
    2018 467 citations Holger J. Schünemann, Mary Cushman et al. Blood Advances profile →

Peers

Frederick A. Spencer
James D. Douketis Canada
Joel G. Ray Canada
Suzanne C. Cannegieter Netherlands
Marc Rodger Canada
Grégoire Le Gal France
Frederikus A. Klok Netherlands
Walter Ageno Italy
Gary E. Raskob United States
Philip S. Wells Canada
Jeffrey S. Ginsberg Canada
James D. Douketis Canada
Frederick A. Spencer
Citations per year, relative to Frederick A. Spencer Frederick A. Spencer (= 1×) peers James D. Douketis

Countries citing papers authored by Frederick A. Spencer

Since Specialization
Citations

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

Fields of papers citing papers by Frederick A. Spencer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Frederick A. Spencer. 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 Frederick A. Spencer. The network helps show where Frederick A. Spencer may publish in the future.

Co-authorship network of co-authors of Frederick A. Spencer

This figure shows the co-authorship network connecting the top 25 collaborators of Frederick A. Spencer. A scholar is included among the top collaborators of Frederick A. Spencer 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 Frederick A. Spencer. Frederick A. Spencer 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.
Kearon, Clive, Kerstin de Wit, Sameer Parpia, et al.. (2019). Diagnosis of Pulmonary Embolism with d -Dimer Adjusted to Clinical Probability. New England Journal of Medicine. 381(22). 2125–2134. 188 indexed citations
2.
Schünemann, Holger J., Mary Cushman, Allison Burnett, et al.. (2018). American Society of Hematology 2018 guidelines for management of venous thromboembolism: prophylaxis for hospitalized and nonhospitalized medical patients. Blood Advances. 2(22). 3198–3225. 467 indexed citations breakdown →
3.
Hoaglin, David C., David D. McManus, Victoria Wang, et al.. (2018). Efficacy and safety of direct oral anticoagulants approved for cardiovascular indications: Systematic review and meta-analysis. PLoS ONE. 13(5). e0197583–e0197583. 60 indexed citations
4.
Bikdeli, Behnood, Saurav Chatterjee, Nihar R. Desai, et al.. (2017). Inferior Vena Cava Filters to Prevent Pulmonary Embolism. Journal of the American College of Cardiology. 70(13). 1587–1597. 120 indexed citations
5.
Spencer, Frederick A., Luciane Cruz Lopes, Sean A. Kennedy, & Gordon Guyatt. (2014). Systematic review of percutaneous closure versus medical therapy in patients with cryptogenic stroke and patent foramen ovale. BMJ Open. 4(3). e004282–e004282. 53 indexed citations
6.
Lopes, Luciane Cruz, John W. Eikelboom, Frederick A. Spencer, et al.. (2014). Shorter or longer anticoagulation to prevent recurrent venous thromboembolism: systematic review and meta-analysis. BMJ Open. 4(7). e005674–e005674. 6 indexed citations
7.
Sekercioglu, Nigar, Frederick A. Spencer, Luciane Cruz Lopes, & Gordon Guyatt. (2014). Culprit Vessel Only vs Immediate Complete Revascularization in Patients With Acute ST‐Segment Elevation Myocardial Infarction: Systematic Review and Meta‐Analysis. Clinical Cardiology. 37(12). 765–772. 18 indexed citations
8.
Hajduk, Alexandra M., David D. McManus, Chad E. Darling, et al.. (2014). Cognitive status in patients hospitalized with acute decompensated heart failure. American Heart Journal. 168(6). 917–923. 31 indexed citations
9.
Linkins, Lori‐Ann, Shannon M. Bates, Eddy Lang, et al.. (2013). Selective D-Dimer Testing for Diagnosis of a First Suspected Episode of Deep Venous Thrombosis. Annals of Internal Medicine. 3 indexed citations
10.
Darling, Chad E., Jane S. Saczynski, David D. McManus, et al.. (2013). Delayed hospital presentation in acute decompensated heart failure: Clinical and patient reported factors. Heart & Lung. 42(4). 281–286. 38 indexed citations
11.
Piazza, Gregory, et al.. (2012). VENOUS THROMBOEMBOLISM IN PATIENTS WITH DIABETES MELLITUS. Journal of the American College of Cardiology. 59(13). E1874–E1874. 6 indexed citations
12.
Alonso‐Coello, Pablo, Sergi Bellmunt-Montoya, Catherine McGorrian, et al.. (2012). Antithrombotic Therapy in Peripheral Artery Disease. CHEST Journal. 141(2). e669S–e690S. 141 indexed citations
13.
Spencer, Frederick A., Darleen Lessard, А. В. Глущенко, et al.. (2012). Isolated calf deep vein thrombosis in the community setting: the Worcester Venous Thromboembolism study. Journal of Thrombosis and Thrombolysis. 33(3). 211–217. 31 indexed citations
14.
Spyropoulos, Alex C., Frederick A. Anderson, Gordon FitzGerald, et al.. (2011). Predictive and Associative Models to Identify Hospitalized Medical Patients at Risk for VTE. CHEST Journal. 140(3). 706–714. 376 indexed citations
15.
McManus, David D., Darleen Lessard, Joel M. Gore, et al.. (2011). Thirty-Year (1975 to 2005) Trends in the Incidence Rates, Clinical Features, Treatment Practices, and Short-Term Outcomes of Patients <55 Years of Age Hospitalized With an Initial Acute Myocardial Infarction. The American Journal of Cardiology. 108(4). 477–482. 51 indexed citations
16.
Spencer, Frederick A., et al.. (2011). Venous Thromboembolism in Patients With Reduced Estimated GFR: A Population-Based Perspective. American Journal of Kidney Diseases. 58(5). 746–755. 43 indexed citations
17.
Rao, Rajeev V., Shaun G. Goodman, Raymond T. Yan, et al.. (2009). Temporal trends and patterns of early clopidogrel use across the spectrum of acute coronary syndromes. American Heart Journal. 157(4). 642–650.e1. 24 indexed citations
18.
19.
Mazor, Kathleen M., et al.. (2007). Patient education about anticoagulant medication: Is narrative evidence or statistical evidence more effective?. Patient Education and Counseling. 69(1-3). 145–157. 94 indexed citations
20.
Anderson, Frederick A. & Frederick A. Spencer. (2003). Risk Factors for Venous Thromboembolism. Circulation. 107(23_suppl_1). I9–16. 1231 indexed citations breakdown →

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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