World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
89
Citations
39006
World Ranking
12484
National Ranking
6396

Allan L. 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 Allan L. 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: 611 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: 583 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Allan L. 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 Allan L. 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: 400 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: 89 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Overview

Allan L. Klein is affiliated with the Cleveland Clinic in the United States. Their research is primarily situated in the field of Medicine, with a strong focus on Cardiology and Cardiovascular Medicine. This specialization is reflected across a significant number of publications and coauthored works.

Their recent published papers include the following:

  • Phase 3 Trial of Interleukin-1 Trap Rilonacept in Recurrent Pericarditis, 2020, New England Journal of Medicine
  • Pericardial Diseases, 2024, JACC. Cardiovascular Imaging
  • Determinants of left atrial reservoir and pump strain and use of atrial strain for evaluation of left ventricular filling pressure, 2020, European Heart Journal - Cardiovascular Imaging

Allan L. Klein's work involves collaboration with several frequent coauthors, demonstrating a network of consistent scientific partnership. These coauthors include:

  • Paul Cremer
  • Tom Kai Ming Wang
  • Alveena Batool Syed
  • Massimo Imazio
  • Muhammad Furqan

Their publications are mainly disseminated through well-regarded cardiovascular and medical journals. Frequent venues for dissemination of their research are:

  • Journal of the American College of Cardiology
  • Circulation
  • JACC Case Reports
  • European Heart Journal
  • Current Cardiology Reports

The subfields of study where Allan L. Klein has contributed include:

  • Cardiology and Cardiovascular Medicine
  • Neurology
  • Epidemiology
  • Surgery
  • Radiology, Nuclear Medicine and Imaging

The main research topics covered by their work encompass a range of clinical and diagnostic challenges in cardiovascular medicine:

  • Pericarditis and Cardiac Tamponade
  • Myasthenia Gravis and Thymoma
  • Infective Endocarditis Diagnosis and Management
  • Cardiac tumors and thrombi
  • Cardiac Structural Anomalies and Repair
  • Cardiac Imaging and Diagnostics
  • Viral Infections and Immunology Research

Best Publications

  • Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography: An Update from the American Society of Echocardiography and the European Association of Cardiovascular Imaging

    Sherif F. Nagueh;Otto A. Smiseth;Christopher P. Appleton;Benjamin F. Rd Byrd

  • New Doppler echocardiographic applications for the study of diastolic function

    Mario J Garcia;James D Thomas;Allan L Klein

  • American Society of Echocardiography Recommendations for Use of Echocardiography in Clinical Trials A Report from the American Society of Echocardiography's Guidelines and Standards Committee and The Task Force on Echocardiography in Clinical Trials

    John S. Gottdiener;James Bednarz;Richard Devereux;Julius Gardin

  • Use of transesophageal echocardiography to guide cardioversion in patients with atrial fibrillation.

    Allan L. Klein;Richard A. Grimm;R. Daniel Murray;Carolyn Apperson-Hansen

  • American Society of Echocardiography clinical recommendations for multimodality cardiovascular imaging of patients with pericardial disease: endorsed by the Society for Cardiovascular Magnetic Resonance and Society of Cardiovascular Computed Tomography.

    Allan L. Klein;Suhny Abbara;Deborah A. Agler;Christopher P. Appleton

  • Phased-Array Intracardiac Echocardiography Monitoring During Pulmonary Vein Isolation in Patients With Atrial Fibrillation Impact on Outcome and Complications

    Nassir F. Marrouche;David O. Martin;Oussama Wazni;A. Marc Gillinov

  • Success of Surgical Left Atrial Appendage Closure: Assessment by Transesophageal Echocardiography

    Anne S. Kanderian;A. Marc Gillinov;Gosta B. Pettersson;Eugene Blackstone

  • Differentiation of Constrictive Pericarditis From Restrictive Cardiomyopathy: Assessment of Left Ventricular Diastolic Velocities in Longitudinal Axis by Doppler Tissue Imaging

    Mario J. Garcia;Leonardo Rodriguez;Miguel Ares;Brian P. Griffin

  • Constrictive pericarditis: etiology and cause-specific survival after pericardiectomy.

    Stefan C. Bertog;Senthil K. Thambidorai;Kapil Parakh;Paul Schoenhagen

  • A practical guide to assessment of ventricular diastolic function using Doppler echocardiography

    Gerald I. Cohen;Joseph F. Pietrolungo;James D. Thomas;Allan L. Klein

  • Rivaroxaban vs. vitamin K antagonists for cardioversion in atrial fibrillation

    Riccardo Cappato;Michael D. Ezekowitz;Allan L. Klein;A. John Camm

  • Prognostic significance of Doppler measures of diastolic function in cardiac amyloidosis. A Doppler echocardiography study.

    A L Klein;L K Hatle;C P Taliercio;J K Oh

  • Recommendations for a standardized report for adult transthoracic echocardiography: a report from the American Society of Echocardiography's Nomenclature and Standards Committee and Task Force for a Standardized Echocardiography Report.

    Julius M. Gardin;David B. Adams;Pamela S. Douglas;Harvey Feigenbaum

  • Impact of electrical cardioversion for atrial fibrillation on left atrial appendage function and spontaneous echo contrast: characterization by simultaneous transesophageal echocardiography.

    Richard A. Grimm;William J. Stewart;James D. Maloney;Gerald I. Cohen

  • Left atrial strain measured by two-dimensional speckle tracking represents a new tool to evaluate left atrial function.

    Roberto M. Saraiva;Sayit Demirkol;Adisai Buakhamsri;Neil Greenberg

  • Doppler characterization of left ventricular diastolic function in cardiac amyloidosis

    Allan L. Klein;Liv K. Hatle;Darryl J. Burstow;James B. Seward

  • Estimating Left Ventricular Filling Pressure by Echocardiography

    Oyvind S. Andersen;Otto A. Smiseth;Hisham Dokainish;Muaz M. Abudiab

  • Effects of age on left ventricular dimensions and filling dynamics in 117 normal persons.

    Allan L. Klein;Darryl J. Burstow;A. Jamil Tajik;Prince K. Zachariah

  • Doppler assessment of pulmonary venous flow in healthy subjects and in patients with heart disease

    Allan L. Klein;Allan L. Klein;A. Jamil Tajik;A. Jamil Tajik

  • Assessment of Diastolic Function by Tissue Doppler Echocardiography: Comparison with Standard Transmitral and Pulmonary Venous Flow

    Carlos A. Farias;Leonardo Rodriguez;Mario J. Garcia;Jing P. Sun

Frequent Co-Authors

James D. Thomas
James D. Thomas Northwestern University
W.H. Wilson Tang
W.H. Wilson Tang Cleveland Clinic
William J. Stewart
William J. Stewart Cleveland Clinic
Zoran B. Popović
Zoran B. Popović Cleveland Clinic
Thomas H. Marwick
Thomas H. Marwick Baker IDI Heart and Diabetes Institute
Stanley L. Hazen
Stanley L. Hazen Cleveland Clinic Lerner College of Medicine
Brian P. Griffin
Brian P. Griffin Cleveland Clinic
Delos M. Cosgrove
Delos M. Cosgrove Cleveland Clinic
Sherif F. Nagueh
Sherif F. Nagueh Houston Methodist
A. Jamil Tajik
A. Jamil Tajik Mayo Clinic

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