World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
79
Citations
48063
World Ranking
17337
National Ranking
8687

Helmut U. Klein publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Helmut U. Klein sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 435 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Helmut U. Klein D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Helmut U. Klein sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 79 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Helmut U. Klein is affiliated with the University of Rochester Medical Center in the United States. Their research primarily focuses on cardiology and cardiovascular medicine, encompassing 56 publications in the field. Subfields of study include cardiology and cardiovascular medicine, neurology, surgery, endocrinology, diabetes and metabolism, and electrical and electronic engineering.

The main topics covered in their work are cardiac pacing and defibrillation studies, cardiac arrhythmias and treatments, cardiac electrophysiology and arrhythmias, vagus nerve stimulation research, heart rate variability and autonomic control, atrial fibrillation management and outcomes, and cardiac structural anomalies and repair.

Helmut U. Klein has published extensively in selected research venues, with frequent appearances in:

  • European Heart Journal
  • Herzschrittmachertherapie + Elektrophysiologie
  • Clinical Research in Cardiology
  • IJC Heart & Vasculature
  • Heart Rhythm

Frequent collaborators in their research include:

  • Valentina Kutyifa
  • Scott McNitt
  • Ilan Goldenberg
  • Arwa Younis
  • Wojciech Zaręba

Recent papers authored or co-authored by Helmut U. Klein demonstrate a focus on cardiac devices, therapies, and outcomes associated with heart failure and arrhythmias:

  • "Predicted benefit of an implantable cardioverter-defibrillator: the MADIT-ICD benefit score," 2020, European Heart Journal
  • "Comparison of symptomatic and functional responses to vagus nerve stimulation in ANTHEM-HF, INOVATE-HF, and NECTAR-HF," 2020, ESC Heart Failure
  • "Upgrade of right ventricular pacing to cardiac resynchronization therapy in heart failure: a randomized trial," 2023, European Heart Journal
  • "Survival After Implantable Cardioverter-Defibrillator Shocks," 2021, Journal of the American College of Cardiology
  • "Protected risk stratification with the wearable cardioverter-defibrillator: results from the WEARIT-II-EUROPE registry," 2020, Clinical Research in Cardiology

Best Publications

  • Prophylactic implantation of a defibrillator in patients with myocardial infarction and reduced ejection fraction.

    Arthur J. Moss;Wojciech Zareba;W. Jackson Hall;Helmut Klein

  • Improved survival with an implanted defibrillator in patients with coronary disease at high risk for ventricular arrhythmia

    Arthur J. Moss;W. Jackson Hall;David S. Cannom;James P. Daubert

  • 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.

    Frank Grothues;Frank Grothues;Gillian C Smith;James C.C Moon;Nicholas G Bellenger

  • Effect of Pacing Chamber and Atrioventricular Delay on Acute Systolic Function of Paced Patients With Congestive Heart Failure

    Angelo Auricchio;Christoph Stellbrink;Michael Block;Stefan Sack

  • Reduction in Inappropriate Therapy and Mortality through ICD Programming

    Arthur J. Moss;Claudio Schuger;Christopher A. Beck;Mary W. Brown

  • Prasugrel versus clopidogrel for acute coronary syndromes without revascularization

    Matthew T. Roe;Paul W. Armstrong;Keith A.A. Fox;Harvey D. White

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

    Andreas Goette;Thorsten Staack;Christoph Röcken;Marco Arndt

  • Inappropriate Implantable Cardioverter-Defibrillator Shocks in MADIT II : Frequency, Mechanisms, Predictors, and Survival Impact

    James P. Daubert;Wojciech Zareba;David S. Cannom;Scott McNitt

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

    Wojciech Zareba;Helmut Klein;Iwona Cygankiewicz;W. Jackson Hall

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

    Frank Grothues;James C Moon;Nicholas G Bellenger;Gillian S Smith

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

    Angelo Auricchio;Cecilia Fantoni;Francois Regoli;Corrado Carbucicchio

  • Left Ventricular Lead Position and Clinical Outcome in the Multicenter Automatic Defibrillator Implantation Trial–Cardiac Resynchronization Therapy (MADIT-CRT) Trial

    Jagmeet P. Singh;Helmut U. Klein;David T. Huang;Sven Reek

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

    Gaetano M. De Ferrari;Harry J.G.M. Crijns;Martin Borggrefe;Goran Milasinovic

  • Regulation of Angiotensin II Receptor Subtypes During Atrial Fibrillation in Humans

    Andreas Goette;Marco Arndt;Christoph Röcken;Antje Spiess

  • The Pacing Therapies for Congestive Heart Failure (PATH-CHF) study: rationale, design, and endpoints of a prospective randomized multicenter study.

    Angelo Auricchio;Christoph Stellbrink;Stefan Sack;Michael Block

  • Survival with cardiac-resynchronization therapy in mild heart failure.

    Ilan Goldenberg;Valentina Kutyifa;Helmut U. Klein;David S. Cannom

  • The cardioprotective effect of mesenchymal stem cells is mediated by IGF-I and VEGF.

    Sanga Sadat;Sebastian Gehmert;Yao-Hua Song;Yasheng Yen

  • Atrial Amyloidosis An Arrhythmogenic Substrate for Persistent Atrial Fibrillation

    Christoph Röcken;Brigitte Peters;Gina Juenemann;Wolfgang Saeger

  • 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

    Faiez Zannad;Gaetano M. De Ferrari;Anton E. Tuinenburg;David Wright

  • 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☆

    F. Grothues;G.C. Smith;J.C.C. Moon

Frequent Co-Authors

Arthur J. Moss
Arthur J. Moss University of Rochester Medical Center
Wojciech Zareba
Wojciech Zareba University of Rochester Medical Center
Scott McNitt
Scott McNitt University of Rochester Medical Center
Ilan Goldenberg
Ilan Goldenberg University of Rochester Medical Center
Angelo Auricchio
Angelo Auricchio Universita della Svizzera Italiana
Scott D. Solomon
Scott D. Solomon Brigham and Women's Hospital
Uwe Lendeckel
Uwe Lendeckel Greifswald University Hospital
Christoph Röcken
Christoph Röcken Kiel University
Siegfried Ansorge
Siegfried Ansorge Otto-von-Guericke University Magdeburg
Béla Merkely
Béla Merkely Semmelweis University

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