Frederikus A. Klok

31.8k total citations · 10 hit papers
372 papers, 14.5k citations indexed

About

Frederikus A. Klok is a scholar working on Internal Medicine, Cardiology and Cardiovascular Medicine and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Frederikus A. Klok has authored 372 papers receiving a total of 14.5k indexed citations (citations by other indexed papers that have themselves been cited), including 312 papers in Internal Medicine, 175 papers in Cardiology and Cardiovascular Medicine and 70 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Frederikus A. Klok's work include Venous Thromboembolism Diagnosis and Management (312 papers), Atrial Fibrillation Management and Outcomes (113 papers) and Acute Ischemic Stroke Management (61 papers). Frederikus A. Klok is often cited by papers focused on Venous Thromboembolism Diagnosis and Management (312 papers), Atrial Fibrillation Management and Outcomes (113 papers) and Acute Ischemic Stroke Management (61 papers). Frederikus A. Klok collaborates with scholars based in Netherlands, Germany and United States. Frederikus A. Klok's co-authors include Menno V. Huisman, Marieke J.H.A. Kruip, Fleur H.J. Kaptein, Milou A.M. Stals, K.M. Kant, Judith van Paassen, Nardo J. M. van der Meer, Henrik Endeman, Diederik Gommers and M. Sesmu Arbous and has published in prestigious journals such as Circulation, SHILAP Revista de lepidopterología and Blood.

In The Last Decade

Frederikus A. Klok

336 papers receiving 14.2k citations

Hit Papers

Incidence of thrombotic complicatio... 2013 2026 2017 2021 2020 2020 2020 2013 2017 1000 2.0k 3.0k
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. Incidence of thrombotic complications in critically ill ICU patients with COVID-19
    2020 3.4k citations Frederikus A. Klok, Fleur H.J. Kaptein et al. Thrombosis Research profile →
  2. Confirmation of the high cumulative incidence of thrombotic complications in critically ill ICU patients with COVID-19: An updated analysis
    2020 1.1k citations Frederikus A. Klok, Fleur H.J. Kaptein et al. Thrombosis Research profile →
  3. The Post-COVID-19 Functional Status scale: a tool to measure functional status over time after COVID-19
    2020 394 citations Frederikus A. Klok, Gudula J.A.M. Boon et al. European Respiratory Journal profile →
  4. Effectiveness and safety of novel oral anticoagulants as compared with vitamin K antagonists in the treatment of acute symptomatic venous thromboembolism: a systematic review and meta‐analysis
    2013 383 citations Tom van der Hulle, Paul L. den Exter et al. Journal of Thrombosis and Haemostasis profile →
  5. Incidence of chronic thromboembolic pulmonary hypertension after acute pulmonary embolism: a contemporary view of the published literature
    2017 306 citations Yvonne M. Ende-Verhaar, Suzanne C. Cannegieter et al. European Respiratory Journal profile →
  6. The post-PE syndrome: a new concept for chronic complications of pulmonary embolism
    2014 271 citations Frederikus A. Klok, Tom van der Hulle et al. profile →
  7. Trends in mortality related to pulmonary embolism in the European Region, 2000–15: analysis of vital registration data from the WHO Mortality Database
    2019 213 citations Stefano Barco, Luca Valerio et al. profile →
  8. Outpatient Pulmonary Rehabilitation in Patients with Long COVID Improves Exercise Capacity, Functional Status, Dyspnea, Fatigue, and Quality of Life
    2022 156 citations Stephan Nopp, Frederikus A. Klok et al. profile →
  9. Ultrasound-facilitated, catheter-directed thrombolysis vs anticoagulation alone for acute intermediate-high-risk pulmonary embolism: Rationale and design of the HI-PEITHO study
    2022 108 citations Frederikus A. Klok, Fionnuala Ní Áinle et al. profile →
  10. Antithrombotic Therapy for VTE Disease
    2024 37 citations Scott M. Stevens, Scott C. Woller et al. CHEST Journal profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Frederikus A. Klok Netherlands 52 8.9k 5.3k 4.0k 2.8k 2.4k 372 14.5k
Nils Kucher Switzerland 44 7.1k 0.8× 4.4k 0.8× 1.4k 0.3× 859 0.3× 1.1k 0.5× 198 10.0k
Menno V. Huisman Netherlands 76 20.0k 2.2× 15.5k 2.9× 4.0k 1.0× 2.7k 1.0× 3.2k 1.3× 469 29.6k
Jean M. Connors United States 41 3.5k 0.4× 2.7k 0.5× 2.7k 0.7× 1.5k 0.5× 639 0.3× 228 8.9k
Walter Ageno Italy 67 13.7k 1.5× 11.4k 2.2× 733 0.2× 1.7k 0.6× 1.8k 0.7× 557 20.5k
Francesco Dentali Italy 37 7.9k 0.9× 7.1k 1.3× 1.1k 0.3× 790 0.3× 1.1k 0.5× 194 13.4k
Alex C. Spyropoulos United States 50 8.6k 1.0× 7.8k 1.5× 1.2k 0.3× 700 0.3× 772 0.3× 271 11.9k
David Jiménez Spain 43 8.8k 1.0× 5.5k 1.0× 833 0.2× 430 0.2× 993 0.4× 254 10.4k
Jecko Thachil United Kingdom 44 2.0k 0.2× 883 0.2× 3.6k 0.9× 1.9k 0.7× 1.0k 0.4× 206 9.1k
Armando Tripodi Italy 61 4.4k 0.5× 3.7k 0.7× 1.0k 0.3× 801 0.3× 1.1k 0.5× 346 15.7k
Grégoire Le Gal France 60 10.2k 1.2× 6.3k 1.2× 617 0.2× 503 0.2× 1.1k 0.5× 409 13.7k

Countries citing papers authored by Frederikus A. Klok

Since Specialization
Citations

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

Fields of papers citing papers by Frederikus A. Klok

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Frederikus A. Klok

This figure shows the co-authorship network connecting the top 25 collaborators of Frederikus A. Klok. A scholar is included among the top collaborators of Frederikus A. Klok 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 Frederikus A. Klok. Frederikus A. Klok 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.
Arima, Hiroshi, Jérôme Bertherat, Olaf M. Dekkers, et al.. (2025). Delphi panel consensus on recommendations for thromboprophylaxis of venous thromboembolism in endogenous Cushing's syndrome: a position statement. European Journal of Endocrinology. 192(3). R17–R27. 4 indexed citations
2.
Stevens, Scott M., Scott C. Woller, Lisa Baumann Kreuziger, et al.. (2024). Antithrombotic Therapy for VTE Disease. CHEST Journal. 166(2). 388–404. 37 indexed citations breakdown →
3.
Cimini, Ludovica Anna, Stefano Barco, Waleed Ghanima, et al.. (2024). Pulmonary perfusion defects or residual vascular obstruction and persistent symptoms after pulmonary embolism: a systematic review and meta-analysis. ERJ Open Research. 10(4). 1010–2023. 4 indexed citations
4.
Søgaard, Mette, Martin Bach Jensen, Eric C. T. Geijteman, et al.. (2024). Use of antithrombotic therapy and the risk of cardiovascular outcomes and bleeding in cancer patients at the end of life: a Danish nationwide cohort study. Journal of Thrombosis and Haemostasis. 23(1). 190–200. 3 indexed citations
5.
Barco, Stefano, Suzanne C. Cannegieter, Marion Delcroix, et al.. (2023). Incidence of chronic thromboembolic pulmonary hypertension after acute pulmonary embolism: an updated systematic review and meta-analysis. European Respiratory Journal. 62(1). 2300449–2300449. 29 indexed citations
6.
Stubblefield, William B., et al.. (2023). Addressing the rising trend of high‐risk pulmonary embolism mortality: Clinical and research priorities. Academic Emergency Medicine. 31(3). 288–292. 1 indexed citations
7.
Klok, Frederikus A., et al.. (2023). Health-related quality of life after first venous thromboembolism in individuals aged 70 years and older. Research and Practice in Thrombosis and Haemostasis. 7(5). 102144–102144. 3 indexed citations
8.
Kaptein, Fleur H.J., Milou A.M. Stals, Suzanne C. Cannegieter, et al.. (2022). Incidence and determinants of thrombotic and bleeding complications in patients with glioblastoma. Journal of Thrombosis and Haemostasis. 20(7). 1665–1673. 22 indexed citations
9.
Woller, Scott C., Kerstin de Wit, Helia Robert‐Ebadi, et al.. (2022). A systematic review of biomarkers among hospitalized patients with COVID‐19 predictive of venous thromboembolism: A communication from the Predictive and Diagnostic Variables Scientific and Standardization Committee of the ISTH. Research and Practice in Thrombosis and Haemostasis. 6(6). e12786–e12786. 2 indexed citations
10.
Jong, Cindy M.M. de, Marc Blondon, Cihan Ay, et al.. (2022). Incidence and impact of anticoagulation-associated abnormal menstrual bleeding in women after venous thromboembolism. Blood. 140(16). 1764–1773. 22 indexed citations
11.
Exter, Paul L. den, Scott C. Woller, Helia Robert‐Ebadi, et al.. (2022). Management of bleeding risk in patients who receive anticoagulant therapy for venous thromboembolism: Communication from the ISTH SSC Subcommittee on Predictive and Diagnostic Variables in Thrombotic Disease. Journal of Thrombosis and Haemostasis. 20(8). 1910–1919. 27 indexed citations
12.
Fedeli, Ugo, Luca Valerio, Frederikus A. Klok, et al.. (2021). Splanchnic vein thrombosis-related mortality in the Veneto region (Italy), 2008–2019: Retrospective analysis of epidemiological data. Thrombosis Research. 209. 41–46. 5 indexed citations
13.
Boon, Gudula J.A.M., Wilbert B. van den Hout, Stefano Barco, et al.. (2021). A model for estimating the health economic impact of earlier diagnosis of chronic thromboembolic pulmonary hypertension. ERJ Open Research. 7(3). 719–2020. 13 indexed citations
14.
Hobohm, Lukas, Karsten Keller, Luca Valerio, et al.. (2020). Fatality Rates and Use of Systemic Thrombolysis in Pregnant Women with Pulmonary Embolism. ESC Heart Failure. 7(5). 2365–2372. 18 indexed citations
15.
Lópes, Renato D., James Aisenberg, Paul A. Reilly, et al.. (2019). Idarucizumab for Dabigatran Reversal in the Management of Patients With Gastrointestinal Bleeding. Circulation. 139(6). 748–756. 29 indexed citations
16.
Dronkers, C.E.A., Yvonne M. Ende-Verhaar, Paul A. Kyrle, et al.. (2017). Disease prevalence dependent failure rate in diagnostic management studies on suspected deep vein thrombosis: communication from the SSC of the ISTH. Journal of Thrombosis and Haemostasis. 15(11). 2270–2273. 17 indexed citations
17.
Exter, Paul L. den, Wendy Zondag, Frederikus A. Klok, et al.. (2016). Efficacy and Safety of Outpatient Treatment Based on the Hestia Clinical Decision Rule with or without N-Terminal Pro–Brain Natriuretic Peptide Testing in Patients with Acute Pulmonary Embolism. A Randomized Clinical Trial. American Journal of Respiratory and Critical Care Medicine. 194(8). 998–1006. 81 indexed citations
18.
Huisman, Menno V. & Frederikus A. Klok. (2013). Diagnostic management of acute deep vein thrombosis and pulmonary embolism. Journal of Thrombosis and Haemostasis. 11(3). 412–422. 121 indexed citations
19.
Hulle, Tom van der, Paul L. den Exter, Frederikus A. Klok, et al.. (2013). Accuracy of diagnosing incidental pulmonary embolism on routinely performed contrast-enhanced CT-imaging in patients with malignancy. Journal of Thrombosis and Haemostasis. 11. 736–736. 1 indexed citations
20.
Klok, Frederikus A., I.C.M. Mos, & Menno V. Huisman. (2008). Brain-Type Natriuretic Peptide Levels in the Prediction of Adverse Outcome in Patients with Pulmonary Embolism: A Systematic Review and Meta-analysis. American Journal of Respiratory and Critical Care Medicine. 178(4). 425–430. 243 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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