Helmut Klein

34.2k total citations · 10 hit papers
242 papers, 23.1k citations indexed

About

Helmut Klein is a scholar working on Cardiology and Cardiovascular Medicine, Surgery and Molecular Biology. According to data from OpenAlex, Helmut Klein has authored 242 papers receiving a total of 23.1k indexed citations (citations by other indexed papers that have themselves been cited), including 223 papers in Cardiology and Cardiovascular Medicine, 33 papers in Surgery and 17 papers in Molecular Biology. Recurrent topics in Helmut Klein's work include Cardiac Arrhythmias and Treatments (137 papers), Cardiac pacing and defibrillation studies (133 papers) and Cardiac electrophysiology and arrhythmias (107 papers). Helmut Klein is often cited by papers focused on Cardiac Arrhythmias and Treatments (137 papers), Cardiac pacing and defibrillation studies (133 papers) and Cardiac electrophysiology and arrhythmias (107 papers). Helmut Klein collaborates with scholars based in Germany, United States and Italy. Helmut Klein's co-authors include William J. Hall, James P. Daubert, David S. Cannom, David J. Wilber, Mary W. Brown, Wojciech Zaręba, Steven L. Higgins, Arthur J. Moss, Mark Andrews and Arthur J. Moss and has published in prestigious journals such as New England Journal of Medicine, Circulation and Journal of the American College of Cardiology.

In The Last Decade

Helmut Klein

230 papers receiving 22.2k citations

Hit Papers

Prophylactic Implantation of a Defibrillator in Patients ... 1996 2026 2006 2016 2002 1996 2009 2002 2012 1000 2.0k 3.0k 4.0k
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. Prophylactic Implantation of a Defibrillator in Patients with Myocardial Infarction and Reduced Ejection Fraction
    2002 4.6k citations Arthur J. Moss, Wojciech Zaręba et al. profile →
  2. Improved Survival with an Implanted Defibrillator in Patients with Coronary Disease at High Risk for Ventricular Arrhythmia
    1996 2.8k citations David S. Cannom, James P. Daubert et al. profile →
  3. Cardiac-Resynchronization Therapy for the Prevention of Heart-Failure Events
    2009 2.0k citations Arthur J. Moss, David S. Cannom et al. profile →
  4. Comparison of interstudy reproducibility of cardiovascular magnetic resonance with two-dimensional echocardiography in normal subjects and in patients with heart failure or left ventricular hypertrophy
    2002 1.1k citations Frank Grothues, Helmut Klein et al. The American Journal of Cardiology profile →
  5. Reduction in Inappropriate Therapy and Mortality through ICD Programming
    2012 856 citations Mary W. Brown, David S. Cannom et al. profile →
  6. Effect of Pacing Chamber and Atrioventricular Delay on Acute Systolic Function of Paced Patients With Congestive Heart Failure
    1999 829 citations Angelo Auricchio, Helmut Klein et al. Circulation profile →
  7. Interstudy reproducibility of right ventricular volumes, function, and mass with cardiovascular magnetic resonance
    2004 577 citations Frank Grothues, Helmut Klein et al. profile →
  8. Effectiveness of Cardiac Resynchronization Therapy by QRS Morphology in the Multicenter Automatic Defibrillator Implantation Trial–Cardiac Resynchronization Therapy (MADIT-CRT)
    2011 555 citations Wojciech Zaręba, Helmut Klein et al. Circulation profile →
  9. Inappropriate Implantable Cardioverter-Defibrillator Shocks in MADIT II
    2008 550 citations James P. Daubert, Wojciech Zaręba et al. Journal of the American College of Cardiology profile →
  10. Left Ventricular Lead Position and Clinical Outcome in the Multicenter Automatic Defibrillator Implantation Trial–Cardiac Resynchronization Therapy (MADIT-CRT) Trial
    2011 405 citations Helmut Klein, David T. Huang et al. Circulation profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Helmut Klein Germany 58 21.4k 2.9k 1.9k 1.1k 852 242 23.1k
Michael R. Gold United States 63 16.3k 0.8× 2.0k 0.7× 901 0.5× 1.3k 1.1× 553 0.6× 423 17.6k
Gaetano Maria De Ferrari Italy 53 9.1k 0.4× 5.4k 1.9× 941 0.5× 402 0.4× 2.1k 2.5× 430 14.7k
Cecilia Linde Sweden 50 12.1k 0.6× 1.7k 0.6× 661 0.3× 884 0.8× 334 0.4× 263 13.1k
David J. Callans United States 72 19.4k 0.9× 1.7k 0.6× 1.1k 0.6× 192 0.2× 633 0.7× 413 20.8k
Hilary P. Grocott United States 47 3.7k 0.2× 3.3k 1.2× 603 0.3× 989 0.9× 537 0.6× 193 8.1k
John P. Greenwood United Kingdom 51 7.2k 0.3× 2.8k 1.0× 5.5k 2.9× 170 0.2× 584 0.7× 428 10.9k
Kazutaka Aonuma Japan 53 8.6k 0.4× 1.4k 0.5× 1.6k 0.8× 372 0.3× 876 1.0× 501 10.7k
Martin St. John Sutton United States 45 18.6k 0.9× 3.9k 1.4× 4.7k 2.4× 668 0.6× 1.1k 1.3× 161 21.7k
Gaetano Antonio Lanza Italy 43 4.9k 0.2× 2.2k 0.8× 2.8k 1.4× 248 0.2× 758 0.9× 264 7.2k
Lukas Kappenberger Switzerland 37 10.9k 0.5× 3.5k 1.2× 1.2k 0.6× 787 0.7× 471 0.6× 149 12.6k

Countries citing papers authored by Helmut Klein

Since Specialization
Citations

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

Fields of papers citing papers by Helmut Klein

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Helmut Klein

This figure shows the co-authorship network connecting the top 25 collaborators of Helmut Klein. A scholar is included among the top collaborators of Helmut Klein 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 Helmut Klein. Helmut Klein 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.
Konstam, Marvin A., James E. Udelson, Douglas L. Mann, et al.. (2024). Autonomic Regulation Therapy To Improve Symptoms And Clinical Outcomes In Patients With Heart Failure And Reduced Ejection Fraction (ANTHEM-HFrEF) Pivotal Study Results. Journal of Cardiac Failure. 30(1). 313–313. 2 indexed citations
2.
Goldenberg, Ilan, Arwa Younis, Scott McNitt, et al.. (2024). Prior history of atrial fibrillation and arrhythmic outcomes: Data from the WEARIT‐II prospective registry. Journal of Cardiovascular Electrophysiology. 35(4). 785–793.
3.
Younis, Arwa, Valentina Kutyifa, Anita Y. Chen, et al.. (2022). Comparison of Frequency of Ventricular Tachyarrhythmia in Men-Versus-Women in Patients with Implantable Cardioverter-Defibrillator for Primary Prevention. The American Journal of Cardiology. 176. 43–50. 2 indexed citations
4.
Younis, Arwa, Jeffrey J. Goldberger, Valentina Kutyifa, et al.. (2020). Predicted benefit of an implantable cardioverter-defibrillator: the MADIT-ICD benefit score. European Heart Journal. 42(17). 1676–1684. 71 indexed citations
5.
Lehmann, H. Immo, et al.. (2018). Long-term follow-up of permanent atrial standstill in a German family with mutation in the SCN5A gene. HeartRhythm Case Reports. 4(8). 356–358. 3 indexed citations
6.
7.
Kutyifa, Valentina, Arthur J. Moss, Helmut Klein, et al.. (2018). One‐year follow‐up of the prospective registry of patients using the wearable defibrillator (WEARIT‐II Registry). Pacing and Clinical Electrophysiology. 41(10). 1307–1313. 10 indexed citations
8.
Hsu, Jonathan C., Scott D. Solomon, Mikhail Bourgoun, et al.. (2012). Predictors of Super-Response to Cardiac Resynchronization Therapy and Associated Improvement in Clinical Outcome. Journal of the American College of Cardiology. 59(25). 2366–2373. 209 indexed citations
9.
Barsheshet, Alon, Ilan Goldenberg, Arthur J. Moss, et al.. (2011). Effect of Elapsed Time From Coronary Revascularization to Implantation of a Cardioverter Defibrillator on Long-Term Survival in the MADIT-II Trial. Journal of Cardiovascular Electrophysiology. 22(11). 1237–1242. 20 indexed citations
10.
Goette, Andreas, Alicja Bukowska, Uwe Lendeckel, et al.. (2008). Angiotensin II Receptor Blockade Reduces Tachycardia-Induced Atrial Adhesion Molecule Expression. Circulation. 117(6). 732–742. 89 indexed citations
11.
Fantoni, Cecilia, François Regoli, Ali Ghanem, et al.. (2008). Long-Term Outcome in Diabetic Heart Failure Patients Treated with Cardiac Resynchronization Therapy. European Journal of Heart Failure. 10(3). 298–307. 39 indexed citations
12.
Hüsser, Oliver, Daniela Husser, Martin Stridh, et al.. (2006). Exercise testing for non-invasive assessment of atrial electrophysiology in patients with persistent atrial fibrillation. Lund University Publications (Lund University). 33. 21–24. 2 indexed citations
13.
Corino, Valentina, Luca Mainardi, Daniela Husser, Helmut Klein, & Andreas Bollmann. (2006). Ventricular response during atrial fibrillation: Evaluation of exercise and flecainide effects. Virtual Community of Pathological Anatomy (University of Castilla La Mancha). 4. 145–148. 2 indexed citations
14.
Schild, Lorenz, Alicja Bukowska, Andreas Gardemann, et al.. (2006). Rapid pacing of embryoid bodies impairs mitochondrial ATP synthesis by a calcium-dependent mechanism—A model of in vitro differentiated cardiomyocytes to study molecular effects of tachycardia. Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease. 1762(6). 608–615. 31 indexed citations
15.
Grothues, Frank, et al.. (2005). Volume measurement by CARTO™ compared with cardiac magnetic resonance. EP Europace. 8(1). 37–41. 6 indexed citations
16.
Auricchio, Angelo, Helmut Klein, & Julio Spinelli. (1999). Pacing for Heart Failure: Selection of Patients, Techniques and Benefits. European Journal of Heart Failure. 1(3). 275–279. 17 indexed citations
17.
Auricchio, Angelo, Wolfgang Hartung, J. Christoph Geller, & Helmut Klein. (1996). Clinical Relevance of Stored Electrograms for Implantable Cardioverter-Defibrillator (ICD) Troubleshooting and Understanding of Mechanisms for Ventricular Tachyarrhythmias. The American Journal of Cardiology. 78(5). 33–41. 24 indexed citations
18.
Trappe, Hans‐Joachim, et al.. (1994). Role of Antitachycardia Pacing in Patients with Third Generation Cardioverter Defibrillators. Pacing and Clinical Electrophysiology. 17(3). 506–513. 26 indexed citations
19.
Auricchio, Angelo, et al.. (1991). Lack of prognostic value of syncope in patients with Wolff-Parkinson-White syndrome. Journal of the American College of Cardiology. 17(1). 152–158. 43 indexed citations
20.
Trappe, Hans‐Joachim, Helmut Klein, & P. R. Lichtlen. (1990). Sotalol in patients with life-threatening ventricular tachyarrhythmias. Cardiovascular Drugs and Therapy. 4(5). 1425–1432. 12 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Michael R. Gold Breakdown of academic impact, for papers by Gaetano Maria De Ferrari Breakdown of academic impact, for papers by Cecilia Linde Breakdown of academic impact, for papers by David J. Callans Breakdown of academic impact, for papers by Hilary P. Grocott Breakdown of academic impact, for papers by John P. Greenwood Breakdown of academic impact, for papers by Kazutaka Aonuma Breakdown of academic impact, for papers by Martin St. John Sutton Breakdown of academic impact, for papers by Gaetano Antonio Lanza Breakdown of academic impact, for papers by Lukas Kappenberger
Rankless by CCL
2026