World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
98
Citations
36067
World Ranking
8908
National Ranking
4583

Kevin D. O'Brien 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 Kevin D. O'Brien 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: 341 publications — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Kevin D. O'Brien 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 Kevin D. O'Brien 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: 98 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Overview

Kevin D. O'Brien is affiliated with the University of Washington in the United States. Their research contributions span multiple fields related to health professions, sociology, public health, and specialized dental fields such as orthodontics and oral surgery.

The main topics of Kevin D. O'Brien's work include:

  • Orthodontics and Dentofacial Orthopedics
  • Dental Education, Practice, Research
  • Delphi Technique in Research
  • Dental Implant Techniques and Outcomes
  • Integrated Energy Systems Optimization
  • Clinical Practice Guidelines Implementation
  • Periodontal Regeneration and Treatments

Their publications have appeared frequently in the following venues:

  • SSRN Electronic Journal
  • OPAL (Open@LaTrobe) (La Trobe University)
  • American Journal of Orthodontics and Dentofacial Orthopedics
  • Journal of Electrocardiology
  • BDJ

Recent papers authored or coauthored by Kevin D. O'Brien include:

  • Development of a Core Outcome Set for Use in Routine Orthodontic Clinical Trials, 2020, American Journal of Orthodontics and Dentofacial Orthopedics
  • Do Malocclusion and Orthodontic Treatment Impact Oral Health? A Systematic Review and Meta-Analysis, 2020, American Journal of Orthodontics and Dentofacial Orthopedics
  • Education Curriculum Assessment for Teaching Electrocardiography: Rationale and Design for the Prospective, International, Randomized Controlled EDUCATE Trial, 2023, Journal of Electrocardiology
  • Balancing the Dental Boards, 2021, BDJ
  • Does Sleep Position Influence Sleep-Disordered Breathing in Infants With Cleft Palate: A Feasibility Study?, 2021, The Cleft Palate-Craniofacial Journal

Frequent coauthors include:

  • Chinmoy Baroi
  • Padhraig S. Fleming
  • Richard Macey
  • Badri Thiruvenkatachari
  • Anthony H. Kashou

Kevin D. O'Brien's work covers an interdisciplinary approach involving clinical research and systematic reviews. Their studies include development of standardized outcome measures in orthodontics, evaluation of the impact of orthodontic treatments on oral health, and curriculum designs for medical education. The scope also extends into dental practice and clinical board balancing issues.

Best Publications

  • Global Carbon Budget 2020

    Pierre Friedlingstein;Pierre Friedlingstein;Michael O'Sullivan;Matthew W. Jones;Robbie M. Andrew

  • Characterization of the early lesion of 'degenerative' valvular aortic stenosis. Histological and immunohistochemical studies.

    Catherine M. Otto;Johanna Kuusisto;Dennis D. Reichenbach;Allen M. Gown

  • Calcific aortic valve disease: not simply a degenerative process: A review and agenda for research from the National Heart and Lung and Blood Institute Aortic Stenosis Working Group. Executive summary: Calcific aortic valve disease-2011 update.

    Nalini M. Rajamannan;Frank J. Evans;Elena Aikawa;K. Jane Grande-Allen

  • Genetic associations with valvular calcification and aortic stenosis.

    George Thanassoulis;George Thanassoulis;Catherine Y. Campbell;David S. Owens;J. Gustav Smith;J. Gustav Smith

  • Vascular cell adhesion molecule-1 is expressed in human coronary atherosclerotic plaques. Implications for the mode of progression of advanced coronary atherosclerosis.

    K D O'Brien;M D Allen;T O McDonald;A Chait

  • A Mosaic Activating Mutation in AKT1 Associated with the Proteus Syndrome

    Marjorie J Lindhurst;Julie C Sapp;Jamie K. Teer;Jennifer J Johnston

  • The development of the PAR Index (Peer Assessment Rating): reliability and validity.

    S. Richmond;W. C. Shaw;K. D. O'Brien;I. B. Buchanan

  • Neovascular Expression of E-Selectin, Intercellular Adhesion Molecule-1, and Vascular Cell Adhesion Molecule-1 in Human Atherosclerosis and Their Relation to Intimal Leukocyte Content

    Kevin D. O’Brien;Thomas O. McDonald;Alan Chait;Margaret D. Allen

  • Apolipoproteins B, (a), and E Accumulate in the Morphologically Early Lesion of ‘Degenerative’ Valvular Aortic Stenosis

    Kevin D. O’Brien;Dennis D. Reichenbach;Santica M. Marcovina;Johanna Kuusisto

  • Osteopontin Is Expressed in Human Aortic Valvular Lesions

    Kevin D. O’Brien;Johanna Kuusisto;Dennis D. Reichenbach;Marina Ferguson

  • The myeloperoxidase product hypochlorous acid oxidizes HDL in the human artery wall and impairs ABCA1-dependent cholesterol transport

    Constanze Bergt;Subramaniam Pennathur;Xiaoyun Fu;Jaeman Byun

  • Hemorrhage in the Atherosclerotic Carotid Plaque: A High-Resolution MRI Study

    Baocheng Chu;Annette Kampschulte;Marina S. Ferguson;William S. Kerwin

  • Interstitial Collagenase (MMP-1) Expression in Human Carotid Atherosclerosis

    Seppo T. Nikkari;Kevin D. O’Brien;Marina Ferguson;Thomas Hatsukami

  • Effectiveness of early orthodontic treatment with the twin-block appliance: A multicenter, randomized, controlled trial. Part 1: Dental and skeletal effects

    Kevin O’Brien;Jean Wright;Frances Conboy;YeWeng Sanjie

  • Association of angiotensin-converting enzyme with low-density lipoprotein in aortic valvular lesions and in human plasma

    Kevin D. O’Brien;David M. Shavelle;Michael T. Caulfield;Thomas O. McDonald

  • Pathogenesis of Calcific Aortic Valve Disease A Disease Process Comes of Age (and a Good Deal More)

    Kevin D. O’Brien

  • HMG CoA reductase inhibitor (statin) and aortic valve calcium

    David M. Shavelle;Junichuro Takasu;Matthew J. Budoff;SongShou Mao

  • Inflammation in carotid atherosclerotic plaque: a dynamic contrast-enhanced MR imaging study.

    William S. Kerwin;Kevin D. O'Brien;Marina S. Ferguson;Nayak Polissar

  • The neuroimmune guidance cue netrin-1 promotes atherosclerosis by inhibiting the emigration of macrophages from plaques

    Janine M van Gils;Merran C Derby;Luciana R Fernandes;Bhama Ramkhelawon

  • Relationship of apolipoproteins A-1 and B, and lipoprotein(a) to cardiovascular outcomes: the AIM-HIGH trial (Atherothrombosis Intervention in Metabolic Syndrome with Low HDL/High Triglyceride and Impact on Global Health Outcomes).

    John J. Albers;April Slee;Kevin D. O'Brien;Jennifer G. Robinson

Frequent Co-Authors

Matthew J. Budoff
Matthew J. Budoff UCLA Medical Center
Alan Chait
Alan Chait University of Washington
Ronit Katz
Ronit Katz University of Washington
Jeffrey L. Probstfield
Jeffrey L. Probstfield University of Washington
Charles E. Alpers
Charles E. Alpers University of Washington
Helen V Worthington
Helen V Worthington University of Manchester
Richard A. Kronmal
Richard A. Kronmal University of Washington
Chun Yuan
Chun Yuan University of Utah
William C. Shaw
William C. Shaw University of Manchester
Thomas N. Wight
Thomas N. Wight Virginia Mason Medical Center

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