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

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 →

Peers

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

#	Work	Indexed citations
1	Lower cardiorespiratory fitness is associated with an altered gut microbiome. The Study of Health in Pomerania (SHIP) 2025 ·Scientific Reports ·Marcello Ricardo Paulista Markus, Frank Ulrich Weiß, Johannes Hertel, Stefan Weiß, Malte Rühlemann, Corinna Bang, André Franke, Uwe Völker, Georg Homuth, Thomas Kocher, Henry Völzke, Markus M. Lerch, Till Ittermann, Stephan B. Felix, Ralf Ewert, Martin Bahls, Marcus Dörr, Fabian Frost	1
2	Exertional inspiratory capacity and operating lung volumes in health: a population-based study 2025 ·ERJ Open Research ·Beate Stubbe, Paulo de Tarso Müller, Anne Obst, (unknown), Rosemarie Mick, J. Alberto Neder, Ralf Ewert	0
3	Body surface scan anthropometrics are associated with grip strength in the general population 2024 ·Nutrition Metabolism and Cardiovascular Diseases ·(unknown), Martin Bahls, Dörte Radke, Stefan Groß, Ralf Ewert, Beate Stubbe, (unknown), Stephan B. Felix, Henry Völzke, Marcus Dörr, (unknown), Till Ittermann	2
4	Randomized, Multicenter Study to Assess the Effects of Different Doses of Sildenafil on Mortality in Adults With Pulmonary Arterial Hypertension 2024 ·Circulation ·Marius M. Hoeper, Ralf Ewert, Pavel Jansa, Yu.M. Sіrenko, Andris Skride, Cecile C. Balagtas, (unknown), Susanne Vogt, Paula Abreu, Scott Haughie, Tarek A. Hassan, Ronald J. Oudiz	7
5	Cardiopulmonary exercise testing and the 2022 definition of pulmonary hypertension 2024 ·Pulmonary Circulation ·Dirk Habedank, Till Ittermann, (unknown), Beate Stubbe, (unknown), Anne Obst, Ralf Ewert	1
6	Prolongierte Entwöhnung nach Langzeitbeatmung aufgrund einer SARS-CoV-2-Infektion – eine multizentrische retrospektive Analyse 2024 ·Pneumologie ·(unknown), (unknown), (unknown), (unknown), Michael Westhoff, Michael Dreher, Tobias Müller, (unknown), (unknown), Anne Obst, Ralf Ewert	0
7	Interne Unternehmensrechnung 2023 ·Ralf Ewert, Alfred Wagenhofer, (unknown)	2
8	Cardiopulmonary exercise testing during follow-up after acute pulmonary embolism 2023 ·European Respiratory Journal ·Ioannis T. Farmakis, Luca Valerio, Stefano Barco, (unknown), Ralf Ewert, George Giannakoulas, Lukas Hobohm, Karsten Keller, Anna C. Mavromanoli, Stephan Rosenkranz, Timothy A. Morris, Stavros Konstantinides, Matthias Held, Daniel Dumitrescu	20
9	Value of Cardiopulmonary Exercise Testing in Prognostic Assessment of Patients with Interstitial Lung Diseases 2022 ·Journal of Clinical Medicine ·Beate Stubbe, Till Ittermann, (unknown), (unknown), Sven Gläser, Ralf Ewert	5
10	Correlation of Hemodynamic and Respiratory Parameters in Invasive Cardiopulmonary Exercise Testing (iCPET) 2022 ·Life ·Dirk Habedank, Anne Obst, (unknown), Beate Stubbe, Ralf Ewert	3
11	Socioeconomic factors do not predict sleep apnea in a population sample from Mecklenburg-Western Pomerania, Germany 2022 ·Sleep And Breathing ·(unknown), Anne Obst, Olaf Bernhardt, Ralf Ewert, Thomas Penzel, Beate Stubbe, Ingo Fietze, (unknown), Reiner Biffar, Amro Daboul	4
12	A 10-year follow-up of key gas exchange exercise parameters in a general population: results of the Study of Health in Pomerania 2020 ·ERJ Open Research ·Beate Stubbe, Till Ittermann, (unknown), Anne Obst, Martin Bahls, Tom Bollmann, Sven Gläser, Henry Völzke, Marcus Dörr, Ralf Ewert	1
13	Childhood maltreatment and lung function: findings from the general population 2020 ·European Respiratory Journal ·Carsten Spitzer, Ralf Ewert, Henry Völzke, Stefan Frenzel, Stephan B. Felix, (unknown), Hans J. Grabe	4
14	Reference Values for Pulmonary Single-Breath Diffusing Capacity – Results of the “Study of Health in Pomerania” 2020 ·Pneumologie ·C. Schäper, Beate Stubbe, Tom Bollmann, Till Ittermann, Sven Gläser, Henry Völzke, (unknown), Dirk Habedank, Anne Obst, Ralf Ewert	0
15	Riociguat for chronic thromboembolic pulmonary hypertension and pulmonary arterial hypertension: a phase II study 2010 ·European Respiratory Journal ·Hossein Ardeschir Ghofrani, Marius M. Hoeper, Michael Halank, F. J. Meyer, G. Staehler, Jürgen Behr, Ralf Ewert, Gerrit Weimann, Friedrich Grimminger	183
16	Impaired cardiac autonomic control relates to disease severity in pulmonary hypertension 2009 ·European Respiratory Journal ·Roland Wensel, Clemens Jilek, Marcus Dörr, Dárrel P. Francis, H Stadler, Tobias Lange, Friedrich C. Blumberg, Christian Opitz, Roman Pfeifer, Ralf Ewert	118
17	Reference values for cardiopulmonary exercise testing in healthy volunteers: the SHIP study 2008 ·European Respiratory Journal ·B. Koch, C. Schäper, Till Ittermann, T. Spielhagen, Marcus Dörr, Henry Völzke, Christian Opitz, Ralf Ewert, Sven Gläser	157
18	Changes in Exercise Capacity, Ventilation, and Body Weight Following Heart Transplantation 2006 ·European Journal of Heart Failure ·Dirk Habedank, Ralf Ewert, Manfred Hummel, Roland Wensel, Roland Hetzer, Stefan D. Anker	22
19	Portopulmonary hypertension 2006 ·Journal of Gastroenterology ·Michael Halank, Ralf Ewert, Hans-Juergen Seyfarth, Gert Hoeffken	2
20	Wirtschaftsprüfung und asymmetrische Information 1990 ·Springer eBooks ·Ralf Ewert	16

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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