World's Best Scientists 2026 revealed!
Denis E. O'Donnell

Denis E. O'Donnell

D-Index & Metrics

Medicine

D-Index
101
Citations
41999
World Ranking
7907
National Ranking
301

Denis E. O'Donnell 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 Denis E. O'Donnell 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: 564 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Denis E. O'Donnell 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 Denis E. O'Donnell 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: 101 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Overview

Denis E. O'Donnell is affiliated with Queen's University in Canada and has contributed extensively to the field of Medicine, with a particular focus on Pulmonary and Respiratory Medicine.

Their research covers several subfields, including:

  • Pulmonary and Respiratory Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine
  • Complementary and alternative medicine
  • Endocrine and Autonomic Systems

The main topics addressed in their work include:

  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Respiratory Support and Mechanisms
  • Cardiovascular and exercise physiology
  • Asthma and respiratory diseases
  • Heart Rate Variability and Autonomic Control
  • Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Pulmonary Hypertension Research and Treatments

Denis E. O'Donnell has published papers in a variety of peer-reviewed journals, with frequent contributions to:

  • Jornal Brasileiro de Pneumologia
  • CHEST Journal
  • Respiratory Physiology & Neurobiology
  • ERJ Open Research
  • American Journal of Respiratory and Critical Care Medicine

Selected recent publications include:

  • Using Cardiopulmonary Exercise Testing to Understand Dyspnea and Exercise Intolerance in Respiratory Disease, 2022, CHEST Journal
  • Identification and definition of asthma-COPD overlap: The CanCOLD study, 2020, Respirology
  • Normative Peak Cardiopulmonary Exercise Test Responses in Canadian Adults Aged ≥40 Years, 2020, CHEST Journal
  • Impaired Ventilatory Efficiency, Dyspnea, and Exercise Intolerance in Chronic Obstructive Pulmonary Disease: Results from the CanCOLD Study, 2022, American Journal of Respiratory and Critical Care Medicine
  • Clinical and Prognostic Impact of Low Diffusing Capacity for Carbon Monoxide Values in Patients With Global Initiative for Obstructive Lung Disease I COPD, 2021, CHEST Journal

Their frequent co-authors include:

  • J. Alberto Neder
  • Danilo Cortozi Berton
  • Devin B. Phillips
  • Wan C. Tan
  • Matthew D. James

Best Publications

  • American Thoracic Society/European Respiratory Society Statement on Pulmonary Rehabilitation

    Linda Nici;Claudio Donner;Emiel Wouters;Richard Zuwallack

  • An Official American Thoracic Society Statement: Update on the Mechanisms, Assessment, and Management of Dyspnea

    Mark B Parshall;Richard M Schwartzstein;Lewis Adams;Robert B Banzett

  • Dynamic Hyperinflation and Exercise Intolerance in Chronic Obstructive Pulmonary Disease

    Denis E. O'donnell;Susan M. Revill;Katherine A. Webb

  • Effects of tiotropium on lung hyperinflation, dyspnoea and exercise tolerance in COPD.

    D E O'Donnell;T Flüge;F Gerken;A Hamilton

  • Tiotropium in combination with placebo, salmeterol, or fluticasone-salmeterol for treatment of chronic obstructive pulmonary disease: a randomized trial.

    Shawn D Aaron;Katherine L Vandemheen;Dean Fergusson;François Maltais

  • Recommendations on the use of exercise testing in clinical practice

    P Palange;S A Ward;K-H Carlsen;R Casaburi

  • Dyspnea: Mechanisms, assessment, and management: A consensus statement

    Paula M. Meek;Richard M. Schwartzstein;Lewis Adams;Murray D. Altose

  • Exertional Breathlessness in Patients with Chronic Airflow Limitation The Role of Lung Hyperinflation

    Denis E. O'Donnell;Katherine A. Webb

  • Measurement of Symptoms, Lung Hyperinflation, and Endurance during Exercise in Chronic Obstructive Pulmonary Disease

    Denis E. O'donnell;Miu Lam;Katherine A. Webb

  • Spirometric Correlates of Improvement in Exercise Performance after Anticholinergic Therapy in Chronic Obstructive Pulmonary Disease

    Denis E. O'donnell;Miu Lam;Katherine A. Webb

  • Canadian Thoracic Society recommendations for management of chronic obstructive pulmonary disease - 2007 update.

    Denis E O’Donnell;Shawn Aaron;Jean Bourbeau;Paul Hernandez

  • Roflumilast--an oral anti-inflammatory treatment for chronic obstructive pulmonary disease: a randomised controlled trial.

    Klaus F Rabe;Eric D Bateman;Denis O'Donnell;Stephan Witte

  • ERS statement on respiratory muscle testing at rest and during exercise

    Pierantonio Laveneziana;Andre Albuquerque;Andrea Aliverti;Tony Babb

  • Hyperinflation, Dyspnea, and Exercise Intolerance in Chronic Obstructive Pulmonary Disease

    Denis E. O'Donnell

  • Qualitative aspects of exertional breathlessness in chronic airflow limitation: pathophysiologic mechanisms.

    D. E. O'donnell;J. C. Bertley;L. K. L. Chau;K. A. Webb

  • Effect of salmeterol on the ventilatory response to exercise in chronic obstructive pulmonary disease

    D E O'Donnell;N Voduc;M Fitzpatrick;K A Webb

  • Pathophysiology of dyspnea in chronic obstructive pulmonary disease: a roundtable.

    Denis E O'Donnell;Robert B Banzett;Virginia Carrieri-Kohlman;Richard Casaburi

  • Improvements in Symptom-Limited Exercise Performance Over 8 h With Once-Daily Tiotropium in Patients With COPD

    François Maltais;Alan Hamilton;Darcy Marciniuk;Paul Hernandez

  • Mechanisms of dyspnea during cycle exercise in symptomatic patients with GOLD stage I chronic obstructive pulmonary disease

    Dror Ofir;Pierantonio Laveneziana;Katherine A. Webb;Yuk-Miu Lam

  • Effects of Hyperoxia on Ventilatory Limitation During Exercise in Advanced Chronic Obstructive Pulmonary Disease

    Denis E. O'donnell;Christine D'arsigny;Katherine A. Webb

Frequent Co-Authors

François Maltais
François Maltais Université Laval
Jean Bourbeau
Jean Bourbeau McGill University
Shawn D. Aaron
Shawn D. Aaron Ottawa Hospital
Kenneth R. Chapman
Kenneth R. Chapman University of Toronto
Richard Casaburi
Richard Casaburi University of California, Los Angeles
Roger S. Goldstein
Roger S. Goldstein University of Toronto
J. Mark FitzGerald
J. Mark FitzGerald University of British Columbia
Peter C. Austin
Peter C. Austin University of Toronto
Paula A. Rochon
Paula A. Rochon University of Toronto
James C. Hogg
James C. Hogg University of British Columbia

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