Ralf Westenfeld

11.4k total citations · 2 hit papers
266 papers, 6.7k citations indexed

About

Ralf Westenfeld is a scholar working on Cardiology and Cardiovascular Medicine, Surgery and Biomedical Engineering. According to data from OpenAlex, Ralf Westenfeld has authored 266 papers receiving a total of 6.7k indexed citations (citations by other indexed papers that have themselves been cited), including 146 papers in Cardiology and Cardiovascular Medicine, 112 papers in Surgery and 73 papers in Biomedical Engineering. Recurrent topics in Ralf Westenfeld's work include Cardiac Valve Diseases and Treatments (71 papers), Mechanical Circulatory Support Devices (71 papers) and Cardiac Structural Anomalies and Repair (67 papers). Ralf Westenfeld is often cited by papers focused on Cardiac Valve Diseases and Treatments (71 papers), Mechanical Circulatory Support Devices (71 papers) and Cardiac Structural Anomalies and Repair (67 papers). Ralf Westenfeld collaborates with scholars based in Germany, Netherlands and United States. Ralf Westenfeld's co-authors include Markus Ketteler, Willi Jahnen‐Dechent, Jürgen Floege, Vincent Brandenburg, Malte Kelm, Leon J. Schurgers, Georg Schlieper, Christoph Wanner, Cora Schäfer and Alexander Heiss and has published in prestigious journals such as The Lancet, Circulation and Journal of Clinical Investigation.

In The Last Decade

Ralf Westenfeld

256 papers receiving 6.5k 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.

The serum protein α2–Heremans-Schmid glycoprotein/fetuin-A is a systemically acting inhibitor of ectopic calcification

2003 737 citations Cora Schäfer, Alexander Heiss et al. Journal of Clinical Investigation profile →
Association of low fetuin-A (AHSG) concentrations in serum with cardiovascular mortality in patients on dialysis: a cross-sectional study

2003 736 citations Markus Ketteler, Ralf Westenfeld et al. profile →

Peers

Countries citing papers authored by Ralf Westenfeld

Since Specialization

Citations

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

Fields of papers citing papers by Ralf Westenfeld

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ralf Westenfeld

This figure shows the co-authorship network connecting the top 25 collaborators of Ralf Westenfeld. A scholar is included among the top collaborators of Ralf Westenfeld 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 Westenfeld. Ralf Westenfeld 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	Clinical outcomes of hundred large Impella implantations in cardiogenic shock patients based on individual clinical scenarios 2023 ·Artificial Organs ·Yukiharu Sugimura, (unknown), Moritz Benjamin Immohr, Arash Mehdiani, (unknown), I. Tudorache, Patrick Horn, Ralf Westenfeld, Udo Boeken, Hug Aubin, Artur Lichtenberg, Payam Akhyari	2
2	Lactate versus Phosphate as Biomarkers to Aid Mechanical Circulatory Support Decisions in Patients with Out-of-Hospital Cardiac Arrest and Return of Spontaneous Circulation 2023 ·Diagnostics ·(unknown), (unknown), (unknown), Georg Wolff, Christine Quast, Daniel Scheiber, Patrick Horn, Malte Kelm, Ralf Westenfeld, Christian Jung, Ralf Erkens	2
3	Receptor Autoantibodies: Associations with Cardiac Markers, Histology, and Function in Human Non-Ischaemic Heart Failure 2023 ·ESC Heart Failure ·Elric Zweck, (unknown), Daniel Scheiber, Harald Heidecke, Ralf Dechend, (unknown), (unknown), Malte Kelm, Michael Roden, Ralf Westenfeld, Julia Szendrödi, Fritz Boege	6
4	Prevalence and prognostic impact of dynamic atrial functional mitral regurgitation assessed by isometric handgrip exercise 2023 ·European Heart Journal - Cardiovascular Imaging ·Maximilian Spieker, (unknown), (unknown), (unknown), (unknown), Elric Zweck, (unknown), (unknown), Christian Schulze, Amin Polzin, Obaida R. Rana, Ralf Westenfeld, Malte Kelm, Patrick Horn	6
5	Third dose of the BNT162b2 vaccine in cardiothoracic transplant recipients: predictive factors for humoral response 2022 ·Clinical Research in Cardiology ·Angelika Costard‐Jäckle, René Schramm, Bastian Fischer, Rasmus Rivinius, Raphael Romano Bruno, Benjamin Müller, Armin Zittermann, Udo Boeken, Ralf Westenfeld, Cornelius Knabbe, Jan Gummert	4
6	Structured Allocation of Transcatheter Aortic Valve Replacement Patients during Coronavirus Disease 2019 Pandemic: Impact on Patient Selection and Clinical Results 2022 ·Journal of Cardiovascular Development and Disease ·(unknown), (unknown), Verena Veulemans, Oliver Maier, Kerstin Piayda, (unknown), Shazia Afzal, Amin Polzin, Ralf Westenfeld, Patrick Horn, Christian Jung, Malte Kelm, Christine Quast, Tobias Zeus	1
7	Cerebrovascular Events after Transcatheter Aortic Valve Replacement: The Difficulty in Predicting the Unpredictable 2022 ·Journal of Clinical Medicine ·Oliver Maier, (unknown), Kerstin Piayda, Shazia Afzal, Amin Polzin, Ralf Westenfeld, Christian Jung, Malte Kelm, Tobias Zeus, Verena Veulemans	7
8	Short- and Mid-Term Outcomes in Patients Deemed Inoperable Undergoing Transapical and Transfemoral TAVR with an STS-PROM below Four Percent 2021 ·Journal of Clinical Medicine ·Verena Veulemans, Katharina Hellhammer, (unknown), (unknown), (unknown), Oliver Maier, Kerstin Piayda, Amin Polzin, Arash Mehdiani, Christian Jung, Ralf Westenfeld, Malte Kelm, Artur Lichtenberg, Tobias Zeus	1
9	Extracorporeal life support system during cardiovascular procedures: Insights from the German Lifebridge registry 2020 ·Artificial Organs ·Maryna Masyuk, Peter Abel, Martin J. Hug, Bernhard Wernly, Assad Haneya, (unknown), (unknown), Nicolas Langwieser, Tobias Graf, Georg Fuernau, Marcus Franz, Ralf Westenfeld, Malte Kelm, Stephan B. Felix, Christian Jung	2
10	Impact of Combined “CHADS-BLED” Score to Predict Short-Term Outcomes in Transfemoral and Transapical Aortic Valve Replacement 2020 ·Journal of Interventional Cardiology ·Verena Veulemans, Oliver Maier, (unknown), Katharina Hellhammer, Shazia Afzal, Kerstin Piayda, Amin Polzin, Christian Jung, Ralf Westenfeld, Arash Mehdiani, Artur Lichtenberg, Malte Kelm, Tobias Zeus	2
11	The analysis of left ventricular ejection fraction after minimally invasive surgery for primary mitral valve regurgitation 2020 ·Journal of Cardiac Surgery ·Yukiharu Sugimura, (unknown), (unknown), Hiroyuki Kamiya, (unknown), Moritz Benjamin Immohr, Hug Aubin, Stephan Urs Sixt, Patrick Horn, Ralf Westenfeld, Torsten Doenst, Artur Lichtenberg, Payam Akhyari	3
12	Chronic stable heart failure model in ovine species 2020 ·Artificial Organs ·(unknown), (unknown), (unknown), Daniel Scheiber, (unknown), Ralf Westenfeld, (unknown), Payam Akhyari, Martin Sager, Artur Lichtenberg, Diyar Saeed	3
13	Virtual reality-assisted conscious sedation during transcatheter aortic valve implantation: a randomised pilot study 2020 ·EuroIntervention ·Raphael Romano Bruno, Yingfeng Lin, Georg Wolff, Amin Polzin, Verena Veulemans, (unknown), Ralf Westenfeld, Tobias Zeus, Malte Kelm, Christian Jung	39
14	Perioperative aspirin therapy in non-cardiac surgery: A systematic review and meta-analysis of randomized controlled trials 2018 ·International Journal of Cardiology ·Georg Wolff, Eliano Pio Navarese, Maximilian Brockmeyer, Yingfeng Lin, Athanasios Karathanos, Michalina Kołodziejczak, Jacek Kubica, Amin Polzin, Tobias Zeus, Ralf Westenfeld, Felicita Andreotti, Malte Kelm, Volker Schulze	12
15	Indication and short-term clinical outcomes of high-risk percutaneous coronary intervention with microaxial Impella® pump: results from the German Impella® registry 2018 ·Clinical Research in Cardiology ·Stefan Baumann, Nikos Werner, Karim Ibrahim, Ralf Westenfeld, Fadi Al‐Rashid, Jan‐Malte Sinning, Dirk Westermann, Andreas Schäfer, Konstantinos Karatolios, Timm Bauer, Tobias Becher, İbrahim Akın	31
16	High body mass index is a risk factor for difficult deep sedation in percutaneous mitral valve repair 2018 ·PLoS ONE ·Katharina Hellhammer, Shazia Afzal, (unknown), Maximilian Spieker, Tienush Rassaf, Tobias Zeus, Ralf Westenfeld, Malte Kelm, Patrick Horn	8
17	Transcatheter Aortic Valve Implantation in High-Risk/Inoperable Patients: Repositionable versus Non-Repositionable Self-Expanding Valve. 2017 ·PubMed ·Verena Veulemans, (unknown), (unknown), Stefanie Keymel, Christian Jung, Tobias Zeus, Malte Kelm, Ralf Westenfeld	1
18	Macrovascular and microvascular function after implantation of left ventricular assist devices in end-stage heart failure: Role of microparticles 2015 ·The Journal of Heart and Lung Transplantation ·Roberto Sansone, (unknown), Stefanie Keymel, Dominik Schuler, Patrick Horn, Diyar Saeed, Udo Boeken, Ralf Westenfeld, Artur Lichtenberg, Malte Kelm, Christian Heiß	48
19	Functional and structural response of arterialized femoral veins in a rodent AV fistula model 2009 ·Nephrology Dialysis Transplantation ·Stephan Langer, Christian Heiß, (unknown), Nuran Bektas, G. Mommertz, (unknown), Ralf Westenfeld, Michael J. Jacobs, Michael Fries, Thomas A. Koeppel	29
20	The serum protein α2–Heremans-Schmid glycoprotein/fetuin-A is a systemically acting inhibitor of ectopic calcification breakdown → 2003 ·Journal of Clinical Investigation ·Cora Schäfer, Alexander Heiss, Anke Schwarz, Ralf Westenfeld, Markus Ketteler, Jürgen Floege, Werner Müller‐Esterl, Thorsten Schinke, Willi Jahnen‐Dechent	737

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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