Ralf Kaiser

2.1k total citations · 1 hit paper
34 papers, 1.6k citations indexed

About

Ralf Kaiser is a scholar working on Pulmonary and Respiratory Medicine, Cardiology and Cardiovascular Medicine and Surgery. According to data from OpenAlex, Ralf Kaiser has authored 34 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Pulmonary and Respiratory Medicine, 12 papers in Cardiology and Cardiovascular Medicine and 8 papers in Surgery. Recurrent topics in Ralf Kaiser's work include Pulmonary Hypertension Research and Treatments (9 papers), Cardiac Imaging and Diagnostics (4 papers) and Cardiovascular Function and Risk Factors (4 papers). Ralf Kaiser is often cited by papers focused on Pulmonary Hypertension Research and Treatments (9 papers), Cardiac Imaging and Diagnostics (4 papers) and Cardiovascular Function and Risk Factors (4 papers). Ralf Kaiser collaborates with scholars based in Germany, United States and Switzerland. Ralf Kaiser's co-authors include Stephan Gielen, Volker Adams, Claudia Weigl, Eduard Fiehn, Rainer Hambrecht, Gerhard Schüler, Josef Niebauer, Jiangtao Yu, Heinrike Wilkens and Emmanouil Chavakis and has published in prestigious journals such as Circulation, The Journal of Experimental Medicine and PLoS ONE.

In The Last Decade

Ralf Kaiser

34 papers receiving 1.5k citations

Hit Papers

Regular Physical Exercise Corrects Endothelial Dysfunctio... 1998 2026 2007 2016 1998 200 400 600
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. Regular Physical Exercise Corrects Endothelial Dysfunction and Improves Exercise Capacity in Patients With Chronic Heart Failure
    1998 715 citations Ralf Kaiser et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ralf Kaiser Germany 15 887 425 303 295 235 34 1.6k
Bernhard Richter Austria 24 783 0.9× 98 0.2× 307 1.0× 132 0.4× 262 1.1× 70 1.6k
M Melissari Italy 15 931 1.0× 73 0.2× 498 1.6× 145 0.5× 265 1.1× 31 1.7k
James W. Frederiksen United States 17 1.7k 2.0× 139 0.3× 215 0.7× 283 1.0× 472 2.0× 44 2.4k
Jyri Lommi Finland 22 1.2k 1.3× 63 0.1× 319 1.1× 256 0.9× 482 2.1× 57 1.9k
Karen Hamilton United States 18 646 0.7× 54 0.1× 609 2.0× 209 0.7× 465 2.0× 37 2.5k
Francesco Gentile Italy 24 1.1k 1.3× 69 0.2× 114 0.4× 450 1.5× 328 1.4× 92 1.7k
A Millaire France 21 2.3k 2.6× 106 0.2× 756 2.5× 457 1.5× 378 1.6× 74 2.9k
E Ogris Austria 18 532 0.6× 70 0.2× 131 0.4× 226 0.8× 221 0.9× 66 1.2k
C. Vrints Belgium 18 917 1.0× 130 0.3× 106 0.3× 133 0.5× 558 2.4× 56 1.4k
C G McGregor United States 13 841 0.9× 55 0.1× 165 0.5× 248 0.8× 260 1.1× 24 1.4k

Countries citing papers authored by Ralf Kaiser

Since Specialization
Citations

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

Fields of papers citing papers by Ralf Kaiser

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ralf Kaiser

This figure shows the co-authorship network connecting the top 25 collaborators of Ralf Kaiser. A scholar is included among the top collaborators of Ralf Kaiser 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 Kaiser. Ralf Kaiser 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.
Römer, D., Zvi Vered, John G.F. Cleland, et al.. (2023). A physiologic, precision-medicine approach to guided pharmacological treatment of hypertension substantially improves blood pressure in a large community-based cohort. European Heart Journal. 44(Supplement_2). 1 indexed citations
2.
Mang, Sebastian, Armin Kalenka, Lars Mikael Broman, et al.. (2021). Extracorporeal life support in COVID‐19‐related acute respiratory distress syndrome: A EuroELSO international survey. Artificial Organs. 45(5). 495–505. 18 indexed citations
3.
4.
Kaiser, Ralf, Christian Frantz, Robert Bals, & Heinrike Wilkens. (2016). The role of circulating thrombospondin-1 in patients with precapillary pulmonary hypertension. Respiratory Research. 17(1). 96–96. 33 indexed citations
5.
Kaiser, Ralf, et al.. (2015). Associations of circulating natriuretic peptides with haemodynamics in precapillary pulmonary hypertension. Respiratory Medicine. 109(9). 1213–1223. 9 indexed citations
6.
Trudzinski, Franziska, Hans‐Joachim Schäfers, Sebastian Fähndrich, et al.. (2015). Outcome of Patients with Interstitial Lung Disease Treated with Extracorporeal Membrane Oxygenation for Acute Respiratory Failure. American Journal of Respiratory and Critical Care Medicine. 193(5). 527–533. 53 indexed citations
7.
Kaiser, Ralf, et al.. (2014). Mid-Regional Pro-Adrenomedullin: An Indicator of the Failing Fontan Circuit in Patients with Univentricular Hearts?. European Journal of Heart Failure. 16(10). 1082–1088. 6 indexed citations
8.
Lepper, Philipp M., Sebastian Fähndrich, Franziska Trudzinski, et al.. (2014). Endoscopic lung volume reduction in patients with very low FEV1. European Respiratory Journal. 44(Suppl 58). P3712–P3712. 1 indexed citations
9.
Held, Matthias, Ralf Kaiser, Martin Kolb, et al.. (2014). Cardiopulmonary Exercise Testing to Detect Chronic Thromboembolic Pulmonary Hypertension in Patients with Normal Echocardiography. Respiration. 87(5). 379–387. 80 indexed citations
10.
Keusch, Stephan, Florian F. Hildenbrand, Tom Bollmann, et al.. (2014). Tobacco Smoke Exposure in Pulmonary Arterial and Thromboembolic Pulmonary Hypertension. Respiration. 88(1). 38–45. 27 indexed citations
11.
Kaiser, Ralf, et al.. (2013). Association of elevated plasma viscosity with small vessel occlusion in ischemic cerebral disease. Thrombosis Research. 133(1). 96–100. 28 indexed citations
12.
Kaiser, Ralf, et al.. (2012). Effect of hypoxia on integrin‐mediated adhesion of endothelial progenitor cells. Journal of Cellular and Molecular Medicine. 16(10). 2387–2393. 19 indexed citations
13.
14.
Selejan, Simina‐Ramona, Jeffrey W. Poss, Mathias Hohl, et al.. (2011). Ischaemia-induced up-regulation of Toll-like receptor 2 in circulating monocytes in cardiogenic shock. European Heart Journal. 33(9). 1085–1094. 26 indexed citations
15.
Kaiser, Ralf, Christian Frantz, Robert Bals, Michael Böhm, & Heinrike Wilkens. (2010). Thrombospondin-1 as a Biomarker in Pulmonary Hypertension. CHEST Journal. 138(4). 893A–893A. 1 indexed citations
16.
Motz, W. & Ralf Kaiser. (2006). Stenttherapie bei diabeteskranken Koronarpatienten. Clinical Research in Cardiology. 95(S1). i27–i30. 5 indexed citations
17.
Han, Ho Jae, et al.. (2003). Selective modulation of endogenous nitric oxide formation in ischemia/reperfusion injury in isolated rat hearts. Basic Research in Cardiology. 98(3). 165–174. 11 indexed citations
18.
Nahrendorf, Matthias, Karl‐Heinz Hiller, Dirk Theisen‐Kunde, et al.. (2002). Effect of Transmyocardial Laser Revascularization on Myocardial Perfusion and Left Ventricular Remodeling after Myocardial Infarction in Rats. Radiology. 225(2). 487–493. 7 indexed citations
19.
Jurna, I., Ralf Kaiser, Oliver Kretz, & J. Baldauf. (1992). Oral naloxone reduces constipation but not antinociception from oral morphine in the rat. Neuroscience Letters. 142(1). 62–64. 19 indexed citations
20.
Kaiser, Ralf, et al.. (1974). Acute Phase Reaction Following Intravenous Administration of Streptokinase. Thrombosis and Haemostasis. 31(3). 429–434. 1 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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