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Helmut Klein

Active 1982–2025

72
Papers
31,903
Citations
66
h-index
71
i10-index

Citations

Citations per year for Helmut Klein1972: 1 citations1981: 1 citations1984: 3 citations1986: 3 citations1989: 1 citations1991: 2 citations1992: 1 citations1993: 1 citations1994: 2 citations1995: 2 citations1996: 2 citations1997: 5 citations1998: 19 citations1999: 28 citations2000: 49 citations2001: 65 citations2002: 95 citations2003: 128 citations2004: 175 citations2005: 189 citations2006: 211 citations2007: 147 citations2008: 211 citations2009: 184 citations2010: 204 citations2011: 219 citations2012: 219 citations2013: 234 citations2014: 242 citations2015: 219 citations2016: 195 citations2017: 144 citations2018: 155 citations2019: 468 citations2020: 415 citations2021: 437 citations2022: 316 citations2023: 235 citations2024: 369 citations2025: 200 citations2026: 9 citations1973–1980: no citations, so these years are not shown1982–1983: no citations, so these years are not shown1985: no citations, so this year is not shown1987–1988: no citations, so these years are not shown1990: no citations, so this year is not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 2,058 citing papers, 25.6% of this breakdownUnited Kingdom: 683 citing papers, 8.5% of this breakdownGermany: 596 citing papers, 7.4% of this breakdownNetherlands: 472 citing papers, 5.9% of this breakdownItaly: 467 citing papers, 5.8% of this breakdownCanada: 367 citing papers, 4.6% of this breakdownFrance: 342 citing papers, 4.3% of this breakdownChina: 251 citing papers, 3.1% of this breakdownSpain: 205 citing papers, 2.5% of this breakdownJapan: 183 citing papers, 2.3% of this breakdownAustralia: 182 citing papers, 2.3% of this breakdownSwitzerland: 181 citing papers, 2.3% of this breakdown
0%25.6%Other 25.4%

Institutions

Fields

  • Medicine88.4%
  • Neuroscience5.4%
  • Biochemistry, Genetics and Molecular Biology3.4%
  • Engineering1.2%
  • Computer Science0.5%
  • Immunology and Microbiology0.3%
  • Other0.8%

Topics

  • Cardiac pacing and defibrillation studies15.2%
  • Cardiac electrophysiology and arrhythmias10.2%
  • Cardiac Arrhythmias and Treatments8.1%
  • Cardiovascular Function and Risk Factors5.8%
  • Atrial Fibrillation Management and Outcomes4.7%
  • Cardiac Imaging and Diagnostics4.5%
  • Other51.5%

Coauthors

All papers

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  1. Prophylactic Implantation of a Defibrillator in Patients with Myocardial Infarction and Reduced Ejection Fraction

    Authors: Arthur J. Moss, Wojciech Zaręba, William J. Hall, Helmut Klein, David J. Wilber, David S. Cannom, James P. Daubert, Steven L. Higgins, Mary W. Brown, Mark Andrews - New England Journal of Medicine 2002 cited by 6,873

  2. Cardiac-Resynchronization Therapy for the Prevention of Heart-Failure Events

    Authors: Arthur J. Moss, William J. Hall, David S. Cannom, Helmut Klein, Mary W. Brown, James P. Daubert, N.A. Mark Estes, Elyse Foster, Henry Greenberg, Steven L. Higgins, Marc A. Pfeffer, Scott D. Solomon, David J. Wilber, Wojciech Zaręba - New England Journal of Medicine 2009 cited by 3,139

  3. 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

    Authors: Frank Grothues, Gillian Smith, James Moon, Nicholas G. Bellenger, Peter Collins, Helmut Klein, Dudley J. Pennell - The American Journal of Cardiology 2002 cited by 1,439

  4. Improved Survival with an Implanted Defibrillator in Patients with Coronary Disease at High Risk for Ventricular Arrhythmia

    Authors: Arthur J. Moss, William J. Hall, David S. Cannom, James P. Daubert, Steven L. Higgins, Helmut Klein, Joseph Levine, Sanjeev Saksena, Albert L. Waldo, David J. Wilber, Mary W. Brown, Moonseong Heo - New England Journal of Medicine 1996 cited by 4,170

  5. Chronic vagal stimulation for the treatment of low ejection fraction heart failure: results of the NEural Cardiac TherApy foR Heart Failure (NECTAR-HF) randomized controlled trial

    Authors: Faı̈ez Zannad, Gaetano Maria De Ferrari, Anton E. Tuinenburg, David J. Wright, Josép Brugada, Christian Butter, Helmut Klein, Craig Stolen, Scott Meyer, Kenneth M. Steín, A. Ramuzat, B Schubert, Doug Daum, Petr Neužil, Cornelis J. Botman, M. Castel, Antonio D’Onofrio, Scott D. Solomon, Nicholas Wold, Stephen B. Ruble - European Heart Journal 2014 cited by 374

  6. Chronic vagus nerve stimulation: a new and promising therapeutic approach for chronic heart failure

    Authors: Gaetano Maria De Ferrari, Harry J.G.M. Crijns, Martin Borggrefe, Goran Milašinović, Jan Šmíd, Markus Zabel, Antonello Gavazzi, Antonio Sanzo, Robert Dennert, Juergen Kuschyk, Srdjan Raspopović, Helmut Klein, Karl Swedberg, Peter J. Schwartz - European Heart Journal 2010 cited by 520

  7. Reduction in Inappropriate Therapy and Mortality through ICD Programming

    Authors: Arthur J. Moss, Claudio Schuger, Christopher A. Beck, Mary W. Brown, David S. Cannom, James P. Daubert, N.A. Mark Estes, Henry Greenberg, William J. Hall, David T. Huang, Josef Kautzner, Helmut Klein, Scott McNitt, Brian Olshansky, Morio Shoda, David J. Wilber, Wojciech Zaręba - New England Journal of Medicine 2012 cited by 1,361

  8. Effectiveness of Cardiac Resynchronization Therapy by QRS Morphology in the Multicenter Automatic Defibrillator Implantation Trial–Cardiac Resynchronization Therapy (MADIT-CRT)

    Authors: Wojciech Zaręba, Helmut Klein, Iwona Cygankiewicz, William J. Hall, Scott McNitt, Mary W. Brown, David S. Cannom, James P. Daubert, Michael Eldar, Michael R. Gold, Jeffrey J. Goldberger, Ilan Goldenberg, Edgar Lichstein, Heinz F. Pitschner, Mayer Rashtian, Scott D. Solomon, Sami Viskin, Paul J. Wang, Arthur J. Moss - Circulation 2011 cited by 838

  9. Upgrade of right ventricular pacing to cardiac resynchronization therapy in heart failure: a randomized trial

    Authors: Béla Merkely, Róbert Hatala, Jerzy Krzysztof Wranicz, Gábor Zoltán Duray, Csaba Földesi, Zoltán Som, Marianna Németh, Kinga Gościńska-Bis, László Gellér, Endre Zima, István Osztheimer, Levente Molnár, Júlia Karády, Gerhard Hindricks, Ilan Goldenberg, Helmut Klein, Mátyás Szigeti, Scott D. Solomon, Valentina Kutyifa, Attila Kovács, Annamária Kosztin - European Heart Journal 2023 cited by 77

  10. Long-term vagal stimulation for heart failure: Eighteen month results from the NEural Cardiac TherApy foR Heart Failure (NECTAR-HF) trial

    Authors: Gaetano Maria De Ferrari, Craig Stolen, Anton E. Tuinenburg, David J. Wright, Josép Brugada, Christian Butter, Helmut Klein, Petr Neužil, Cornelis J. Botman, M. Castel, Antonio D’Onofrio, Gert J. de Borst, Scott D. Solomon, Kenneth M. Steín, B Schubert, Kevin Stalsberg, Nicholas Wold, Stephen B. Ruble, Faı̈ez Zannad - International Journal of Cardiology 2017 cited by 154

  11. Predicted benefit of an implantable cardioverter-defibrillator: the MADIT-ICD benefit score

    Authors: Arwa Younis, Jeffrey J. Goldberger, Valentina Kutyifa, Wojciech Zaręba, Bronislava Polonsky, Helmut Klein, Mehmet K. Aktaş, David T. Huang, James P. Daubert, Mark Estes, David S. Cannom, Scott McNitt, Kenneth M. Steín, Ilan Goldenberg - European Heart Journal 2020 cited by 130

  12. Atrial Amyloidosis

    Authors: Christoph Röcken, Brigitte Peters, Gina Juenemann, Wolfgang Saeger, Helmut Klein, Christof Huth, Albert Roessner, Andreas Goette - Circulation 2002 cited by 332

  13. Angiotensin II-Antagonist in Paroxysmal Atrial Fibrillation (ANTIPAF) Trial

    Authors: Andreas Goette, Norbert Schön, Paulus Kirchhof, Günter Breithardt, Thomas Fetsch, Karl Georg Häusler, Helmut Klein, Gerhard Steinbeck, Karl Wegscheider, Thomas Meinertz - Circulation Arrhythmia and Electrophysiology 2011 cited by 186

  14. Impact of Autonomic Regulation Therapy in Patients with Heart Failure

    Authors: Marvin A. Konstam, James E. Udelson, Javed Butler, Helmut Klein, John D. Parker, John R. Teerlink, Patricia Wedge, Benjamin R. Saville, Jeffrey L. Ardell, Imad Libbus, Lorenzo A. DiCarlo, for the ANTHEM-HFrEF Investigators and Coordinators - Circulation Heart Failure 2019 cited by 66

  15. Interstudy reproducibility of right ventricular volumes, function, and mass with cardiovascular magnetic resonance

    Authors: Frank Grothues, James Moon, Nicholas G. Bellenger, Gillian Smith, Helmut Klein, Dudley J. Pennell - American Heart Journal 2004 cited by 782

  16. Increased expression of extracellular signal-regulated kinase and angiotensin-converting enzyme in human atria during atrial fibrillation

    Authors: Andreas Goette, Thorsten Staack, Christoph Röcken, Marco Arndt, J. Christoph Geller, Christof Huth, Siegfried Ansorge, Helmut Klein, Uwe Lendeckel - Journal of the American College of Cardiology 2000 cited by 584

  17. Survival with Cardiac-Resynchronization Therapy in Mild Heart Failure

    Authors: Ilan Goldenberg, Valentina Kutyifa, Helmut Klein, David S. Cannom, Mary W. Brown, A Dan, James P. Daubert, N.A. Mark Estes, Elyse Foster, Henry Greenberg, Josef Kautzner, Robert Klempfner, Malte Kuniss, Béla Merkely, Marc A. Pfeffer, Aurelio Quesada, Sami Viskin, Scott McNitt, Bronislava Polonsky, Ali Ghanem, Scott D. Solomon, David J. Wilber, Wojciech Zaręba, Arthur J. Moss - New England Journal of Medicine 2014 cited by 352

  18. Cigarette smoking induces atrial fibrosis in humans via nicotine

    Authors: Andreas Goette, Uwe Lendeckel, A. Kuchenbecker, Alicja Bukowska, Brigitte Peters, Helmut Klein, Christof Huth, Christoph Röcken - Heart 2007 cited by 164

  19. Comparison of Symptomatic and Functional Responses to Vagus Nerve Stimulation in ANTHEM-HF, INOVATE-HF, and NECTAR-HF

    Authors: Inder S. Anand, Marvin A. Konstam, Helmut Klein, Douglas L. Mann, Jeffrey L. Ardell, Douglas D. Gregory, Joseph M. Massaro, Imad Libbus, Lorenzo A. DiCarlo, John James E. Udelson, Javed Butler, John D. Parker, John R. Teerlink - ESC Heart Failure 2020 cited by 75

  20. Characterization of Left Ventricular Activation in Patients With Heart Failure and Left Bundle-Branch Block

    Authors: Angelo Auricchio, Cecilia Fantoni, François Regoli, Corrado Carbucicchio, Andreas Goette, J. Christoph Geller, Michael Kloss, Helmut Klein - Circulation 2004 cited by 588

  21. Use of the Wearable Cardioverter Defibrillator in High-Risk Cardiac Patients

    Authors: Valentina Kutyifa, Arthur J. Moss, Helmut Klein, Yitschak Biton, Scott McNitt, Bonnie MacKecknie, Wojciech Zaręba, Ilan Goldenberg - Circulation 2015 cited by 239

  22. Inappropriate Implantable Cardioverter-Defibrillator Shocks in MADIT II

    Authors: James P. Daubert, Wojciech Zaręba, David S. Cannom, Scott McNitt, Spencer Rosero, Paul J. Wang, Claudio Schuger, Jonathan S. Steinberg, Steven L. Higgins, David J. Wilber, Helmut Klein, Mark Andrews, William J. Hall, Arthur J. Moss - Journal of the American College of Cardiology 2008 cited by 804

  23. Predictors of Super-Response to Cardiac Resynchronization Therapy and Associated Improvement in Clinical Outcome

    Authors: Jonathan C. Hsu, Scott D. Solomon, Mikhail Bourgoun, Scott McNitt, Ilan Goldenberg, Helmut Klein, Arthur J. Moss, Elyse Foster - Journal of the American College of Cardiology 2012 cited by 290

  24. Risk for Ventricular Fibrillation in Peripartum Cardiomyopathy with Severely Reduced Left Ventricular Function—Value of the Wearable Cardioverter/Defibrillator

    Authors: David Duncker, Arash Haghikia, Thorben König, Stephan Hohmann, Klaus‐Jürgen Gutleben, Ralf Westenfeld, Hanno Oswald, Helmut Klein, Johann Bauersachs, Denise Hilfiker‐Kleiner, Christian Veltmann - European Journal of Heart Failure 2014 cited by 156