Ralf Ewert

16.3k total citations · 1 hit paper
315 papers, 7.7k citations indexed

About

Ralf Ewert is a scholar working on Pulmonary and Respiratory Medicine, Cardiology and Cardiovascular Medicine and Surgery. According to data from OpenAlex, Ralf Ewert has authored 315 papers receiving a total of 7.7k indexed citations (citations by other indexed papers that have themselves been cited), including 151 papers in Pulmonary and Respiratory Medicine, 100 papers in Cardiology and Cardiovascular Medicine and 63 papers in Surgery. Recurrent topics in Ralf Ewert's work include Pulmonary Hypertension Research and Treatments (86 papers), Chronic Obstructive Pulmonary Disease (COPD) Research (44 papers) and Transplantation: Methods and Outcomes (35 papers). Ralf Ewert is often cited by papers focused on Pulmonary Hypertension Research and Treatments (86 papers), Chronic Obstructive Pulmonary Disease (COPD) Research (44 papers) and Transplantation: Methods and Outcomes (35 papers). Ralf Ewert collaborates with scholars based in Germany, Austria and United States. Ralf Ewert's co-authors include Alfred Wagenhofer, Christian Opitz, Roland Wensel, Michael Halank, Sven Gläser, Roland Hetzer, Henry Völzke, Stephan B. Felix, Marcus Dörr and Marius M. Hoeper and has published in prestigious journals such as New England Journal of Medicine, Circulation and SHILAP Revista de lepidopterología.

In The Last Decade

Ralf Ewert

298 papers receiving 7.4k citations

Hit Papers

align trajectories sort by overperformance

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.

Economic Effects of Tightening Accounting Standards to Restrict Earnings Management

2005 622 citations Ralf Ewert, Alfred Wagenhofer profile →

Author Peers

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

Author						Papers	Cites
Ralf Ewert	3.7k	2.9k	1.0k	1.0k	894	315	7.7k
Olivier F. Bertrand	4.3k 1.2×	4.9k 1.7×	279 0.3×	806 0.8×	3.8k 4.3×	277	10.5k
Wim Janssens	6.0k 1.6×	695 0.2×	94 0.1×	3.0k 3.0×	380 0.4×	315	10.6k
John Murray	1.8k 0.5×	2.3k 0.8×	65 0.1×	410 0.4×	2.1k 2.3×	185	6.9k
Trish Groves	389 0.1×	417 0.1×	237 0.2×	501 0.5×	732 0.8×	73	5.9k
Hyun‐Young Park	396 0.1×	1.6k 0.6×	87 0.1×	799 0.8×	807 0.9×	300	6.9k
Lawrence M. Friedman	526 0.1×	1.7k 0.6×	85 0.1×	286 0.3×	1.6k 1.8×	289	8.1k
Anthony Kim	1.1k 0.3×	1.2k 0.4×	50 0.0×	228 0.2×	635 0.7×	155	5.8k
Kendrith M. Rowland	1.9k 0.5×	143 0.0×	53 0.1×	865 0.9×	591 0.7×	188	8.5k
John Child	3.4k 0.9×	4.6k 1.6×	51 0.0×	137 0.1×	2.8k 3.1×	134	8.6k
Rao Ps	268 0.1×	808 0.3×	417 0.4×	125 0.1×	396 0.4×	146	3.3k

Countries citing papers authored by Ralf Ewert

Since Specialization

Citations

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

Fields of papers citing papers by Ralf Ewert

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ralf Ewert

This figure shows the co-authorship network connecting the top 25 collaborators of Ralf Ewert. A scholar is included among the top collaborators of Ralf Ewert 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 Ralf Ewert. Ralf Ewert 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

Markus, Marcello Ricardo Paulista, Frank Ulrich Weiß, Johannes Hertel, et al.. (2025). Lower cardiorespiratory fitness is associated with an altered gut microbiome. The Study of Health in Pomerania (SHIP). Scientific Reports. 15(1). 5171–5171. 1 indexed citations

Stubbe, Beate, Paulo de Tarso Müller, Anne Obst, et al.. (2025). Exertional inspiratory capacity and operating lung volumes in health: a population-based study. ERJ Open Research. 11(5). 741–2024.

Stürmer, Martin, Johanna Klinger-König, Marcus Vollmer, et al.. (2025). Long-term alteration of heart rate variability following childhood maltreatment: Results of a general population study. European Psychiatry. 68(1). e86–e86.

Bahls, Martin, Dörte Radke, Stefan Groß, et al.. (2024). Body surface scan anthropometrics are associated with grip strength in the general population. Nutrition Metabolism and Cardiovascular Diseases. 34(8). 1864–1873. 2 indexed citations

Habedank, Dirk, et al.. (2024). Cardiopulmonary exercise testing and the 2022 definition of pulmonary hypertension. Pulmonary Circulation. 14(2). e12398–e12398. 1 indexed citations

Hoeper, Marius M., Ralf Ewert, Pavel Jansa, et al.. (2024). Randomized, Multicenter Study to Assess the Effects of Different Doses of Sildenafil on Mortality in Adults With Pulmonary Arterial Hypertension. Circulation. 149(25). 1949–1959. 7 indexed citations

Ewert, Ralf, et al.. (2023). Interne Unternehmensrechnung. 2 indexed citations

Farmakis, Ioannis T., Luca Valerio, Stefano Barco, et al.. (2023). Cardiopulmonary exercise testing during follow-up after acute pulmonary embolism. European Respiratory Journal. 61(6). 2300059–2300059. 20 indexed citations

Habedank, Dirk, et al.. (2022). Correlation of Hemodynamic and Respiratory Parameters in Invasive Cardiopulmonary Exercise Testing (iCPET). Life. 12(5). 655–655. 3 indexed citations

10.

Stubbe, Beate, et al.. (2022). Value of Cardiopulmonary Exercise Testing in Prognostic Assessment of Patients with Interstitial Lung Diseases. Journal of Clinical Medicine. 11(6). 1609–1609. 5 indexed citations

11.

Obst, Anne, Olaf Bernhardt, Ralf Ewert, et al.. (2022). Socioeconomic factors do not predict sleep apnea in a population sample from Mecklenburg-Western Pomerania, Germany. Sleep And Breathing. 27(2). 459–467. 4 indexed citations

12.

Markus, Marcello Ricardo Paulista, Ralf Ewert, Sven Gläser, et al.. (2022). Association of Cardiopulmonary Exercise Capacity and Adipokines in the General Population. International Journal of Sports Medicine. 43(7). 616–624. 5 indexed citations

13.

Bahls, Martin, Till Ittermann, Ralf Ewert, et al.. (2020). Physical activity and cardiorespiratory fitness—A ten‐year follow‐up. Scandinavian Journal of Medicine and Science in Sports. 31(3). 742–751. 14 indexed citations

14.

Stubbe, Beate, Till Ittermann, Anne Obst, et al.. (2020). A 10-year follow-up of key gas exchange exercise parameters in a general population: results of the Study of Health in Pomerania. ERJ Open Research. 7(1). 350–2020. 1 indexed citations

15.

Spitzer, Carsten, Ralf Ewert, Henry Völzke, et al.. (2020). Childhood maltreatment and lung function: findings from the general population. European Respiratory Journal. 57(4). 2002882–2002882. 4 indexed citations

16.

Schäper, C., Beate Stubbe, Tom Bollmann, et al.. (2020). Reference Values for Pulmonary Single-Breath Diffusing Capacity – Results of the “Study of Health in Pomerania”. Pneumologie. 75(4). 268–275.

17.

Jürgens, Clemens, Martin Bahls, Till Ittermann, et al.. (2020). Association between cardiorespiratory fitness and handgrip strength with age-related macular degeneration: a population-based study. British Journal of Ophthalmology. 105(8). 1127–1132. 5 indexed citations

18.

Markus, Marcello Ricardo Paulista, Deborah Janowitz, Hans J. Grabe, et al.. (2019). Sex-Specific Associations of Brain-Derived Neurotrophic Factor and Cardiorespiratory Fitness in the General Population. Biomolecules. 9(10). 630–630. 7 indexed citations

19.

Halank, Michael, Ralf Ewert, Hans-Juergen Seyfarth, & Gert Hoeffken. (2006). Portopulmonary hypertension. Journal of Gastroenterology. 41(11). 1133–1133. 2 indexed citations

20.

Habedank, Dirk, Ralf Ewert, Manfred Hummel, et al.. (2006). Changes in Exercise Capacity, Ventilation, and Body Weight Following Heart Transplantation. European Journal of Heart Failure. 9(3). 310–316. 22 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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