Cihan Ay

20.0k total citations · 8 hit papers
384 papers, 12.8k citations indexed

About

Cihan Ay is a scholar working on Internal Medicine, Hematology and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Cihan Ay has authored 384 papers receiving a total of 12.8k indexed citations (citations by other indexed papers that have themselves been cited), including 202 papers in Internal Medicine, 158 papers in Hematology and 126 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Cihan Ay's work include Venous Thromboembolism Diagnosis and Management (202 papers), Blood Coagulation and Thrombosis Mechanisms (76 papers) and Platelet Disorders and Treatments (62 papers). Cihan Ay is often cited by papers focused on Venous Thromboembolism Diagnosis and Management (202 papers), Blood Coagulation and Thrombosis Mechanisms (76 papers) and Platelet Disorders and Treatments (62 papers). Cihan Ay collaborates with scholars based in Austria, United States and Germany. Cihan Ay's co-authors include Ingrid Pabinger, Christoph Zielinski, J. Thaler, Peter Quehenberger, Florian Moik, Daniela Dunkler, Florian Posch, Ralph Simanek, Rainer Vormittag and Christine Marosi and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and Blood.

In The Last Decade

Cihan Ay

356 papers receiving 12.6k citations

Hit Papers

Prediction of venous thro... 2010 2026 2015 2020 2010 2021 2020 2016 2018 100 200 300 400 500
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. Prediction of venous thromboembolism in cancer patients
    2010 570 citations Cihan Ay, Christine Marosi et al. Blood profile →
  2. American Society of Hematology 2021 guidelines for management of venous thromboembolism: prevention and treatment in patients with cancer
    2021 489 citations Cihan Ay, Marcello Di Nisio et al. Blood Advances profile →
  3. Venous thromboembolism in cancer patients: a population-based cohort study
    2020 399 citations Frits I. Mulder, Erzsébet Horváth–Puhó et al. Blood profile →
  4. Cancer-associated venous thromboembolism: Burden, mechanisms, and management
    2016 337 citations Cihan Ay, Ingrid Pabinger et al. Thrombosis and Haemostasis profile →
  5. A clinical prediction model for cancer-associated venous thromboembolism: a development and validation study in two independent prospective cohorts
    2018 230 citations Ingrid Pabinger, Nick van Es et al. profile →
  6. Diagnosis and Management of Vaccine-Related Thrombosis following AstraZeneca COVID-19 Vaccination: Guidance Statement from the GTH
    2021 181 citations Johannes Oldenburg, Robert Klamroth et al. Hämostaseologie profile →
  7. Venous thromboembolism in cancer patients: ESMO Clinical Practice Guideline
    2023 172 citations Anna Falanga, Cihan Ay et al. Annals of Oncology 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, Florian Moik et al. Respiration profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Cihan Ay 7.6k 4.7k 3.5k 2.3k 2.0k 384 12.8k
Anna Falanga 9.2k 1.2× 5.3k 1.1× 5.1k 1.5× 2.5k 1.1× 2.3k 1.2× 299 16.8k
Ingrid Pabinger 9.3k 1.2× 6.1k 1.3× 10.5k 3.0× 2.3k 1.0× 2.5k 1.3× 541 20.3k
Paolo Simioni 5.8k 0.8× 3.6k 0.8× 5.3k 1.5× 727 0.3× 2.2k 1.1× 415 12.3k
Charles W. Francis 10.0k 1.3× 6.4k 1.4× 2.9k 0.8× 1.4k 0.6× 3.8k 1.9× 170 15.6k
Benjamin Brenner 4.3k 0.6× 4.0k 0.9× 4.6k 1.3× 845 0.4× 1.6k 0.8× 329 11.5k
Frederick R. Rickles 4.4k 0.6× 3.1k 0.7× 3.8k 1.1× 1.2k 0.5× 1.3k 0.7× 125 10.3k
Alok A. Khorana 13.2k 1.7× 8.1k 1.7× 3.0k 0.9× 5.8k 2.5× 3.7k 1.9× 360 20.8k
Agnes Lee 7.4k 1.0× 4.9k 1.0× 1.9k 0.5× 851 0.4× 2.1k 1.1× 137 9.4k
Jean M. Connors 3.5k 0.5× 2.7k 0.6× 1.6k 0.4× 1.3k 0.5× 1.7k 0.8× 228 8.9k
Peter K. Henke 4.8k 0.6× 3.7k 0.8× 2.2k 0.6× 664 0.3× 5.3k 2.7× 367 13.3k

Countries citing papers authored by Cihan Ay

Since Specialization
Citations

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

Fields of papers citing papers by Cihan Ay

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Cihan Ay

This figure shows the co-authorship network connecting the top 25 collaborators of Cihan Ay. A scholar is included among the top collaborators of Cihan Ay 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 Cihan Ay. Cihan Ay 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.
Moik, Florian, Erzsébet Horváth–Puhó, Cihan Ay, et al.. (2025). Arterial and venous thromboembolic events in patients with cancer treated with targeted therapies: a population-based cohort study. EClinicalMedicine. 87. 103440–103440.
2.
3.
Riedl, Julia, et al.. (2024). Management of paroxysmal nocturnal hemoglobinuria with low-level hemolysis in pregnancy– a report of two cases. Annals of Hematology. 104(2). 1249–1253.
4.
Steiner, Daniel, et al.. (2024). Anxiety in patients with venous thromboembolism: quantification and risk factors in a prospective cohort study. Journal of Thrombosis and Haemostasis. 22(12). 3490–3499. 6 indexed citations
5.
Jäger, Roland, Matthias Hoke, Florian Mayer, et al.. (2024). Combined Effects of Clonal Hematopoiesis and Carotid Stenosis on Cardiovascular Mortality. Journal of the American College of Cardiology. 83(18). 1717–1727. 9 indexed citations
6.
Moik, Florian, Daniel Steiner, Angelika M. Starzer, et al.. (2024). Bleeding events in patients with cancer: incidence, risk factors, and impact on prognosis in a prospective cohort study. Blood. 144(22). 2349–2359. 12 indexed citations
7.
Moreuil, Claire de, Yesim Dargaud, Christophe Nougier, et al.. (2023). Women with severe postpartum hemorrhage have a decreased endogenous thrombin potential before delivery. Journal of Thrombosis and Haemostasis. 21(11). 3099–3108. 3 indexed citations
8.
Falanga, Anna, Cihan Ay, Marcello Di Nisio, et al.. (2023). Venous thromboembolism in cancer patients: ESMO Clinical Practice Guideline. Annals of Oncology. 34(5). 452–467. 172 indexed citations breakdown →
9.
Pfrepper, Christian, Robert Klamroth, Johannes Oldenburg, et al.. (2023). Emicizumab for the Treatment of Acquired Hemophilia A: Consensus Recommendations from the GTH-AHA Working Group. Hämostaseologie. 44(6). 466–471. 10 indexed citations
10.
Nopp, Stephan, M. Leontien van der Bent, Oliver Königsbrügge, et al.. (2023). Circulatory miR-411-5p as a Novel Prognostic Biomarker for Major Adverse Cardiovascular Events in Patients with Atrial Fibrillation. International Journal of Molecular Sciences. 24(4). 3861–3861. 4 indexed citations
11.
Scheiner, Bernhard, Lorenz Balcar, Rafael Paternostro, et al.. (2022). Factor VIII/protein C ratio independently predicts liver-related events but does not indicate a hypercoagulable state in ACLD. Journal of Hepatology. 76(5). 1090–1099. 24 indexed citations
12.
Nopp, Stephan, Florian Moik, Frederikus A. Klok, et al.. (2022). Outpatient Pulmonary Rehabilitation in Patients with Long COVID Improves Exercise Capacity, Functional Status, Dyspnea, Fatigue, and Quality of Life. Respiration. 101(6). 593–601. 156 indexed citations breakdown →
13.
Astermark, Jan, Cihan Ay, Manuela Carvalho, et al.. (2021). New Inhibitors in the Ageing Population: A Retrospective, Observational, Cohort Study of New Inhibitors in Older People with Hemophilia. Thrombosis and Haemostasis. 122(6). 905–912.
14.
15.
Grilz, Ella, Florian Posch, Stephan Nopp, et al.. (2021). Relative risk of arterial and venous thromboembolism in persons with cancer vs. persons without cancer—a nationwide analysis. European Heart Journal. 42(23). 2299–2307. 83 indexed citations
16.
Hofer, Stefanie, Christof Jungbauer, Alexandra Kaider, et al.. (2020). Association of ABO blood group with bleeding severity in patients with bleeding of unknown cause. Blood Advances. 4(20). 5157–5164. 32 indexed citations
17.
Grilz, Ella, Lisa‐Marie Mauracher, Florian Posch, et al.. (2019). Citrullinated histone H3, a biomarker for neutrophil extracellular trap formation, predicts the risk of mortality in patients with cancer. British Journal of Haematology. 186(2). 311–320. 99 indexed citations
18.
Posch, Florian, Cihan Ay, Herbert Stöger, Reinhold Kreutz, & Jan Beyer‐Westendorf. (2019). Longitudinal kidney function trajectories predict major bleeding, hospitalization and death in patients with atrial fibrillation and chronic kidney disease. International Journal of Cardiology. 282. 47–52. 4 indexed citations
19.
Posch, Florian, J. Thaler, Gerhard J. Zlabinger, et al.. (2015). Soluble Vascular Endothelial Growth Factor (sVEGF) and the Risk of Venous Thromboembolism in Patients with Cancer: Results from the Vienna Cancer and Thrombosis Study (CATS). Clinical Cancer Research. 22(1). 200–206. 40 indexed citations
20.
Ay, Cihan, et al.. (2011). Thrombin generation in type 2 diabetes with albuminuria and macrovascular disease. European Journal of Clinical Investigation. 42(5). 470–477. 23 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Anna Falanga Breakdown of academic impact, for papers by Ingrid Pabinger Breakdown of academic impact, for papers by Paolo Simioni Breakdown of academic impact, for papers by Charles W. Francis Breakdown of academic impact, for papers by Benjamin Brenner Breakdown of academic impact, for papers by Frederick R. Rickles Breakdown of academic impact, for papers by Alok A. Khorana Breakdown of academic impact, for papers by Agnes Lee Breakdown of academic impact, for papers by Jean M. Connors Breakdown of academic impact, for papers by Peter K. Henke
Rankless by CCL
2026