Ralf Lehmann

10.2k total citations · 5 hit papers
75 papers, 7.1k citations indexed

About

Ralf Lehmann is a scholar working on Cardiology and Cardiovascular Medicine, Surgery and Genetics. According to data from OpenAlex, Ralf Lehmann has authored 75 papers receiving a total of 7.1k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Cardiology and Cardiovascular Medicine, 33 papers in Surgery and 14 papers in Genetics. Recurrent topics in Ralf Lehmann's work include Coronary Interventions and Diagnostics (15 papers), Mesenchymal stem cell research (14 papers) and Acute Myocardial Infarction Research (13 papers). Ralf Lehmann is often cited by papers focused on Coronary Interventions and Diagnostics (15 papers), Mesenchymal stem cell research (14 papers) and Acute Myocardial Infarction Research (13 papers). Ralf Lehmann collaborates with scholars based in Germany, United States and United Kingdom. Ralf Lehmann's co-authors include Andreas M. Zeiher, Stefanie Dimmeler, Birgit Aßmus, Hans Martin, Volker Schächinger, Martina Britten, Alexandra Aicher, Claudius Teupe, Jörg Honold and Carmen Urbich and has published in prestigious journals such as New England Journal of Medicine, Circulation and Blood.

In The Last Decade

Ralf Lehmann

72 papers receiving 6.8k citations

Hit Papers

Transplantation of Progenitor Cells and Regeneration Enha... 2002 2026 2010 2018 2002 2004 2006 2003 2004 500 1000 1.5k
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. Transplantation of Progenitor Cells and Regeneration Enhancement in Acute Myocardial Infarction (TOPCARE-AMI)
    2002 1.7k citations Birgit Aßmus, Volker Schächinger et al. profile →
  2. Transplantation of progenitor cells and regeneration enhancement in acute myocardial infarction
    2004 813 citations Volker Schächinger, Birgit Aßmus et al. Journal of the American College of Cardiology profile →
  3. Transcoronary Transplantation of Progenitor Cells after Myocardial Infarction
    2006 783 citations Birgit Aßmus, Jörg Honold et al. profile →
  4. Erythropoietin is a potent physiologic stimulus for endothelial progenitor cell mobilization
    2003 664 citations Ralf Lehmann, Stephan Fichtlscherer et al. profile →
  5. Profoundly Reduced Neovascularization Capacity of Bone Marrow Mononuclear Cells Derived From Patients With Chronic Ischemic Heart Disease
    2004 502 citations Ralf Lehmann, Jörg Honold 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 Lehmann Germany 26 3.3k 3.3k 2.9k 1.5k 1.3k 75 7.1k
Birgit Aßmus Germany 38 5.5k 1.7× 5.1k 1.6× 5.0k 1.7× 2.3k 1.5× 2.1k 1.7× 95 10.8k
Satoshi Shintani Japan 30 2.5k 0.7× 4.0k 1.2× 2.3k 0.8× 1.0k 0.7× 749 0.6× 50 6.8k
Rien van der Zee Netherlands 7 1.9k 0.6× 5.2k 1.6× 1.5k 0.5× 901 0.6× 692 0.5× 12 7.8k
Eugenio Stabile Italy 43 4.1k 1.2× 2.0k 0.6× 1.8k 0.6× 3.6k 2.4× 722 0.6× 157 8.6k
Tomono Takahashi United States 10 2.2k 0.7× 6.7k 2.1× 2.1k 0.7× 837 0.6× 805 0.6× 12 9.0k
Christof Stamm Germany 39 3.2k 1.0× 1.6k 0.5× 1.6k 0.6× 1.7k 1.1× 1.2k 0.9× 151 5.8k
Lubomir Arseniev Germany 27 2.6k 0.8× 1.7k 0.5× 2.2k 0.7× 685 0.5× 1.1k 0.9× 61 5.0k
Alison Sullivan United States 9 2.0k 0.6× 5.7k 1.7× 1.6k 0.6× 720 0.5× 734 0.6× 9 8.3k
Florian Seeger Germany 33 1.7k 0.5× 2.0k 0.6× 1.3k 0.5× 860 0.6× 394 0.3× 79 4.6k
James F. Symes United States 31 2.8k 0.8× 4.3k 1.3× 595 0.2× 1.1k 0.8× 811 0.6× 61 6.6k

Countries citing papers authored by Ralf Lehmann

Since Specialization
Citations

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

Fields of papers citing papers by Ralf Lehmann

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ralf Lehmann

This figure shows the co-authorship network connecting the top 25 collaborators of Ralf Lehmann. A scholar is included among the top collaborators of Ralf Lehmann 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 Lehmann. Ralf Lehmann 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.
Kresoja, Karl‐Patrik, Tienush Rassaf, Amir A. Mahabadi, et al.. (2024). Identifying prognostic factors in patients with cardiogenic shock undergoing VA-ECMO treatment: insights from ECLS-SHOCK using machine learning. European Heart Journal. 45(Supplement_1).
2.
Haude, Michael, Horst Sievert, Stephan Fichtlscherer, et al.. (2023). The CINCH-FMR postmarket registry: Real-world long-term outcomes with percutaneous mitral valve repair with the Carillon Mitral Contour System®. Cardiovascular revascularization medicine. 60. 35–40. 4 indexed citations
3.
Baumann, Stefan, Waldemar Bojara, Heiner Post, et al.. (2020). Koronarphysiologie im Herzkatheterlabor. Herz. 46(S1). 15–23. 3 indexed citations
4.
Fox, Henrik, et al.. (2019). Comparison of transthoracic and transesophageal echocardiography for transcatheter aortic valve replacement sizing in high-risk patients. Journal of Echocardiography. 18(1). 47–56. 8 indexed citations
5.
Bang, Dae-Hyouk, Jinfeng Xu, Robert T. Keenan, et al.. (2016). Cardiovascular Disease Prevalence in Patients with Osteoarthritis, Gout, or Both.. PubMed. 74(2). 113–8. 9 indexed citations
6.
Papadopoulos, Nestoras, Stephan Fichtlscherer, Ralf Lehmann, et al.. (2014). Propensity matched analysis of longterm outcomes following transcatheter based aortic valve implantation versus classic aortic valve replacement in patients with previous cardiac surgery. Journal of Cardiothoracic Surgery. 9(1). 99–99. 30 indexed citations
7.
Weber, Johannes, Henrik Fox, Ilona Hofmann, et al.. (2013). UTILITY OF CONVENTIONAL SURGICAL RISK SCORES IN PREDICTING OUTCOME AFTER TRANSCATHETER AORTIC VALVE REPLACEMENT. Journal of the American College of Cardiology. 61(10). E1949–E1949. 1 indexed citations
8.
Papadopoulos, Nestoras, Stephan Fichtlscherer, Ralf Lehmann, et al.. (2013). Transapical Aortic Valve Implantation in Patients With Previous Cardiac Surgery. The Annals of Thoracic Surgery. 97(1). 37–42. 12 indexed citations
9.
Fox, Henrik, Mirko Doss, Andrés Beiras-Fernández, et al.. (2013). Safety and feasibility of transcatheter aortic valve implantation in patients with severe persistent thrombocytopenia. Blood Coagulation & Fibrinolysis. 24(7). 732–735. 1 indexed citations
10.
Rosa, Salvatore De, Joachim R. Ehrlich, Henrik Fox, et al.. (2013). The STS score is the strongest predictor of long-term survival following transcatheter aortic valve implantation, whereas access route (transapical versus transfemoral) has no predictive value beyond the periprocedural phase. Interactive Cardiovascular and Thoracic Surgery. 17(2). 359–364. 68 indexed citations
11.
Fox, Henrik, Stefan Büttner, Mirko Doss, et al.. (2013). Transcatheter aortic valve implantation improves outcome compared to open-heart surgery in kidney transplant recipients requiring aortic valve replacement. Journal of Cardiology. 61(6). 423–427. 32 indexed citations
12.
Vermehren, Johannes, B Schlosser, Christian Müller, et al.. (2012). High Prevalence of Anti-HCV Antibodies in Two Metropolitan Emergency Departments in Germany: A Prospective Screening Analysis of 28,809 Patients. PLoS ONE. 7(7). e41206–e41206. 39 indexed citations
13.
Schwietz, Thomas, Joachim R. Ehrlich, Salvatore De Rosa, et al.. (2012). Prognostic impact of using drug-eluting-stents on outcome and strategy in multivessel PCI: Data from the Frankfurt MV-PCI registry. Journal of Cardiology. 61(1). 38–43. 9 indexed citations
14.
Mutlak, Haitham, Marek Humpich, Kai Zacharowski, Ralf Lehmann, & Dirk Meininger. (2011). Herzklappenerkrankungen. Der Anaesthesist. 60(9). 799–813. 1 indexed citations
15.
Lehmann, Ralf, Stephan Fichtlscherer, Volker Schächinger, et al.. (2010). Complete Revascularization in Patients Undergoing Multivessel PCI is an Independent Predictor of Improved Long‐term Survival. Journal of Interventional Cardiology. 23(3). 256–263. 22 indexed citations
16.
Lehmann, Ralf, Stephan Fichtlscherer, Volker Schächinger, et al.. (2009). Favorable Long‐Term Survival in Patients Undergoing Multivessel‐PCI Compared to Predicted Prognosis of CABG Estimated by EuroSCORE: Procedural and Clinical Determinants of Long‐Term Outcome. Journal of Interventional Cardiology. 22(6). 511–519. 14 indexed citations
17.
Wicker, Sabine, Holger F. Rabenau, Markus Bickel, et al.. (2009). Neue Grippe H1N1/2009: Infektionsübertragung auf medizinisches Personal. DMW - Deutsche Medizinische Wochenschrift. 134(48). 2443–2446. 8 indexed citations
18.
Wiesli, Peter, et al.. (2006). Assessment of Basal Insulin Requirement Using Fasting Tests in Insulin-treated Patients with Type 2 Diabetes Mellitus. Experimental and Clinical Endocrinology & Diabetes. 114(10). 539–543. 2 indexed citations
19.
Schächinger, Volker, Birgit Aßmus, Martina Britten, et al.. (2004). Transplantation of progenitor cells and regeneration enhancement in acute myocardial infarction. Journal of the American College of Cardiology. 44(8). 1690–1699. 813 indexed citations breakdown →
20.
Schächinger, Volker, Birgit Aßmus, Ralf Lehmann, et al.. (2003). Clinical evidence for benefit of intracoronary progenitor cell therapy on post-infarction remodeling: Results of the TOPCARE-AMI trial. Journal of the American College of Cardiology. 41(6). 404–404. 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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