World's Best Scientists 2026 revealed!
Christopher M. O'Connor

Christopher M. O'Connor

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Best Scientists
2025

D-Index & Metrics

Best Scientists

D-Index
167
Citations
112155
World Ranking
974
National Ranking
577

Medicine

D-Index
170
Citations
116200
World Ranking
520
National Ranking
307

Christopher M. O'Connor 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 Christopher M. O'Connor 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: 1,216 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

Christopher M. O'Connor 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 Christopher M. O'Connor 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: 170 D-Index — 97th percentile

97% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2025 - Research.com Best Scientists Award

Overview

Christopher M. O'Connor is affiliated with Duke University in the United States. Their research primarily focuses on the field of Medicine, with a strong emphasis on Cardiology and Cardiovascular Medicine.

Their work covers several main topics, including:

  • Heart Failure Treatment and Management
  • Cardiovascular Function and Risk Factors
  • Cardiac pacing and defibrillation studies
  • Health Systems, Economic Evaluations, Quality of Life
  • Mechanical Circulatory Support Devices
  • Medication Adherence and Compliance
  • Cardiac Structural Anomalies and Repair

O'Connor has contributed extensively to the literature through numerous publications appearing in frequent venues such as:

  • JACC Heart Failure
  • Journal of Cardiac Failure
  • European Journal of Heart Failure
  • Journal of the American College of Cardiology
  • Circulation

Some of the recent papers associated with this researcher include:

  • Effect of Vericiguat vs Placebo on Quality of Life in Patients With Heart Failure and Preserved Ejection Fraction, 2020, JAMA
  • Myocarditis Temporally Associated With COVID-19 Vaccination, 2021, Circulation
  • Depression and heart failure: the lonely comorbidity, 2020, European Journal of Heart Failure
  • Assessment of Limitations to Optimization of Guideline-Directed Medical Therapy in Heart Failure From the GUIDE-IT Trial, 2020, JAMA Cardiology
  • N-Terminal Pro-B-Type Natriuretic Peptide and Clinical Outcomes, 2020, JACC Heart Failure

Their collaborative network includes frequent co-authors such as Mona Fiuzat, Justin A. Ezekowitz, Robert J. Mentz, Adrian F. Hernandez, and G. Michael Felker, each contributing to multiple joint publications.

Best Publications

  • Efficacy and safety of exercise training in patients with chronic heart failure: HF-ACTION randomized controlled trial.

    Christopher M. O'Connor;David J. Whellan;David J. Whellan;Kerry L. Lee;Steven J. Keteyian

  • Clopidogrel for coronary stenting: response variability, drug resistance, and the effect of pretreatment platelet reactivity.

    Paul A. Gurbel;Kevin P. Bliden;Bonnie L. Hiatt;Christopher M. O’Connor

  • Sertraline Treatment of Major Depression in Patients With Acute MI or Unstable Angina

    Alexander H. Glassman;Christopher M. O'Connor;Robert M. Califf;Karl Swedberg

  • Evaluation study of congestive heart failure and pulmonary artery catheterization effectiveness

    James A. Hill;Daniel F. Pauly;Debra R. Olitsky;Stuart Russell

  • Diuretic Strategies in Patients with Acute Decompensated Heart Failure

    G. Michael Felker;Kerry L. Lee;David A. Bull;Margaret M. Redfield

  • Effect of Amlodipine on Morbidity and Mortality in Severe Chronic Heart Failure.

    Milton Packer;Christopher M. O'Connor;Jalal K. Ghali;Milton L. Pressler

  • Effect of nesiritide in patients with acute decompensated heart failure.

    C. M. O'Connor;R. C. Starling;A. F. Hernandez;P. W. Armstrong

  • Mood disorders in the medically ill: scientific review and recommendations.

    Dwight L. Evans;Dennis S. Charney;Dennis S. Charney;Lydia Lewis;Robert N. Golden

  • Characteristics, treatments, and outcomes of patients with preserved systolic function hospitalized for heart failure: a report from the OPTIMIZE-HF Registry.

    Gregg C. Fonarow;Wendy Gattis Stough;William T. Abraham;Nancy M. Albert

  • Short-term intravenous milrinone for acute exacerbation of chronic heart failure: a randomized controlled trial.

    Michael S. Cuffe;Robert M. Califf;Kirkwood F. Adams;Raymond Benza

  • Effect of phosphodiesterase-5 inhibition on exercise capacity and clinical status in heart failure with preserved ejection fraction: A randomized clinical trial

    Margaret M. Redfield;Horng H. Chen;Barry A. Borlaug;Marc J. Semigran

  • Relationship of depression to increased risk of mortality and rehospitalization in patients with congestive heart failure

    Wei Jiang;Jude Alexander;Eric Christopher;Maragatha Kuchibhatla

  • Depression, Heart Rate Variability, and Acute Myocardial Infarction

    Robert M. Carney;James A. Blumenthal;Phyllis K. Stein;Lana Watkins

  • Incidence, predictors at admission, and impact of worsening renal function among patients hospitalized with heart failure.

    Daniel E. Forman;Javed Butler;Yongfei Wang;William T. Abraham

  • Systolic Blood Pressure at Admission, Clinical Characteristics, and Outcomes in Patients Hospitalized With Acute Heart Failure

    Mihai Gheorghiade;William T. Abraham;Nancy M. Albert;Barry H. Greenberg

  • Ultrafiltration in decompensated heart failure with cardiorenal syndrome

    Bradley A. Bart;Steven R. Goldsmith;Kerry L. Lee;Michael M. Givertz

  • Treatment of Hypertension in the Prevention and Management of Ischemic Heart Disease A Scientific Statement From the American Heart Association Council for High Blood Pressure Research and the Councils on Clinical Cardiology and Epidemiology and Prevention

    Clive Rosendorff;Henry R. Black;Christopher P. Cannon;Bernard J. Gersh

  • Renal impairment, worsening renal function, and outcome in patients with heart failure: an updated meta-analysis.

    Kevin Damman;Mattia A. E. Valente;Adriaan A. Voors;Christopher M. O'Connor

  • Vericiguat in Patients With Heart Failure and Reduced Ejection Fraction

    Paul W Armstrong;Burkert Pieske;Kevin J Anstrom;Justin Ezekowitz

  • Effects of Tolvaptan, a Vasopressin Antagonist, in Patients Hospitalized with Worsening Heart Failure: A Randomized Controlled Trial

    Mihai Gheorghiade;Wendy A. Gattis;Christopher M. O'Connor;Kirkwood F. Adams

Frequent Co-Authors

David J. Whellan
David J. Whellan Thomas Jefferson University
Adrian F. Hernandez
Adrian F. Hernandez Duke University
Mihai Gheorghiade
Mihai Gheorghiade Northwestern University
G. Michael Felker
G. Michael Felker Duke University
Robert M. Califf
Robert M. Califf Duke University
Marco Metra
Marco Metra University of Brescia
Adriaan A. Voors
Adriaan A. Voors University Medical Center Groningen
Kirkwood F. Adams
Kirkwood F. Adams University of North Carolina at Chapel Hill
John R. Teerlink
John R. Teerlink University of California, San Francisco
Gregg C. Fonarow
Gregg C. Fonarow University of California, Los Angeles

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