World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
77
Citations
25285
World Ranking
18332
National Ranking
9147

Ranjit John 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 Ranjit John 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: 407 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

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

Ranjit John 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 Ranjit John 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: 77 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

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

Overview

Ranjit John is affiliated with the University of Minnesota in the United States and has an extensive publication record spanning multiple fields and topics within medicine and engineering. Their research primarily concentrates on areas related to cardiac care, mechanical circulatory support, and emergency medicine, integrating both clinical and biomedical engineering perspectives.

The primary fields of study for this researcher include Medicine and Engineering, with significant contributions to subfields such as Surgery, Biomedical Engineering, Cardiology and Cardiovascular Medicine, Emergency Medicine, and Epidemiology.

The main research topics covered by their work are varied and focus on cardiac-related therapies and technologies. These topics include:

  • Mechanical Circulatory Support Devices
  • Cardiac Structural Anomalies and Repair
  • Cardiac Arrest and Resuscitation
  • Heart Failure Treatment and Management
  • Transplantation: Methods and Outcomes
  • Cardiac Valve Diseases and Treatments
  • Cardiac pacing and defibrillation studies

Ranjit John has published numerous research papers, with selected recent works including:

  • Advanced reperfusion strategies for patients with out-of-hospital cardiac arrest and refractory ventricular fibrillation (ARREST): a phase 2, single centre, open-label, randomised controlled trial, 2020, The Lancet
  • Improved Survival With Extracorporeal Cardiopulmonary Resuscitation Despite Progressive Metabolic Derangement Associated With Prolonged Resuscitation, 2020, Circulation
  • The 2023 International Society for Heart and Lung Transplantation Guidelines for Mechanical Circulatory Support: A 10- Year Update, 2023, The Journal of Heart and Lung Transplantation
  • American Association for Thoracic Surgery/International Society for Heart and Lung Transplantation guidelines on selected topics in mechanical circulatory support, 2020, The Journal of Heart and Lung Transplantation
  • Left ventricular assist systems and infection-related outcomes: A comprehensive analysis of the MOMENTUM 3 trial, 2020, The Journal of Heart and Lung Transplantation

The frequent coauthors collaborating with Ranjit John include Andrew Shaffer, Rebecca Cogswell, Tamás Alexy, Cindy M. Martin, and Jessica Schultz, reflecting an active collaborative research environment over multiple projects.

Publication venues where Ranjit John often contributes include:

  • The Journal of Heart and Lung Transplantation
  • Journal of Thoracic and Cardiovascular Surgery
  • Journal of Cardiac Failure
  • The Annals of Thoracic Surgery
  • ASAIO Journal

Best Publications

  • Use of a Continuous-Flow Device in Patients Awaiting Heart Transplantation

    Leslie W. Miller;Leslie W. Miller;Francis D. Pagani;Stuart D. Russell;Ranjit John

  • The 2013 International Society for Heart and Lung Transplantation Guidelines for mechanical circulatory support: executive summary.

    David Feldman;Salpy V. Pamboukian;Jeffrey J. Teuteberg;Emma Birks

  • A fully magnetically levitated left ventricular assist device - Final report

    Mandeep R. Mehra;Nir Uriel;Yoshifumi Naka;Joseph C. Cleveland

  • Extended mechanical circulatory support with a continuous-flow rotary left ventricular assist device.

    Francis D. Pagani;Leslie W. Miller;Stuart D. Russell;Keith D. Aaronson

  • Right ventricular failure in patients with the HeartMate II continuous-flow left ventricular assist device: Incidence, risk factors, and effect on outcomes

    Robert L. Kormos;Jeffrey J. Teuteberg;Francis D. Pagani;Stuart D. Russell

  • Advanced reperfusion strategies for patients with out-of-hospital cardiac arrest and refractory ventricular fibrillation (ARREST): a phase 2, single centre, open-label, randomised controlled trial.

    Demetris Yannopoulos;Jason Bartos;Ganesh Raveendran;Emily Walser

  • Gastrointestinal bleeding rates in recipients of nonpulsatile and pulsatile left ventricular assist devices

    Sheri Crow;Ranjit John;Andrew Boyle;Sara Shumway

  • Results of the Post-U.S. Food and Drug Administration-Approval Study With a Continuous Flow Left Ventricular Assist Device as a Bridge to Heart Transplantation: A Prospective Study Using the INTERMACS (Interagency Registry for Mechanically Assisted Circulatory Support)

    Randall C. Starling;Yoshifumi Naka;Andrew J. Boyle;Gonzalo Gonzalez-Stawinski

  • Continuous Flow Left Ventricular Assist Device Improves Functional Capacity and Quality of Life of Advanced Heart Failure Patients

    Joseph G. Rogers;Keith D. Aaronson;Andrew J. Boyle;Stuart D. Russell

  • Development of a novel echocardiography ramp test for speed optimization and diagnosis of device thrombosis in continuous-flow left ventricular assist devices: the Columbia ramp study.

    Nir Uriel;Kerry A. Morrison;Arthur R. Garan;Tomoko S. Kato

  • Bleeding and Thrombosis in Patients With Continuous-Flow Ventricular Assist Devices

    Peter M. Eckman;Ranjit John

  • Recommendations for the Use of Mechanical Circulatory Support: Device Strategies and Patient Selection A Scientific Statement From the American Heart Association

    Jennifer L. Peura;Monica Colvin-Adams;Gary S. Francis;Kathleen L. Grady

  • Improved Survival and Decreasing Incidence of Adverse Events With the HeartMate II Left Ventricular Assist Device as Bridge-to-Transplant Therapy

    Ranjit John;Forum Kamdar;Kenneth Liao;Monica Colvin-Adams

  • Risk factors for the development of bronchiolitis obliterans syndrome after lung transplantation

    Timothy J. Kroshus;Vibhu R. Kshettry;Kay Savik;Ranjit John

  • HeartWare ventricular assist system for bridge to transplant: combined results of the bridge to transplant and continued access protocol trial.

    Mark S. Slaughter;Francis D. Pagani;Edwin C. McGee;Emma J. Birks

  • Multicenter review of preoperative risk factors for stroke after coronary artery bypass grafting

    Ranjit John;Asim F. Choudhri;Alan D. Weinberg;Windsor Ting

  • Low thromboembolism and pump thrombosis with the HeartMate II left ventricular assist device: analysis of outpatient anti-coagulation.

    Andrew J. Boyle;Stuart D. Russell;Jeffrey J. Teuteberg;Mark S. Slaughter

  • Clinical outcomes for continuous-flow left ventricular assist device patients stratified by pre-operative INTERMACS classification

    Andrew J. Boyle;Deborah D. Ascheim;Mark J. Russo;Robert L. Kormos

  • Algorithm for the diagnosis and management of suspected pump thrombus

    Daniel J Goldstein;Ranjit John;Christopher Salerno;Scott Silvestry

  • Coronary Artery Disease in Patients With Out-of-Hospital Refractory Ventricular Fibrillation Cardiac Arrest

    Demetris Yannopoulos;Jason A. Bartos;Ganesh Raveendran;Marc Conterato

Frequent Co-Authors

Yoshifumi Naka
Yoshifumi Naka Columbia University
Donna Mancini
Donna Mancini Icahn School of Medicine at Mount Sinai
Francis D. Pagani
Francis D. Pagani University of Michigan–Ann Arbor
Mehmet C. Oz
Mehmet C. Oz Columbia University
Leslie W. Miller
Leslie W. Miller Leonhardt Ventures
Stuart D. Russell
Stuart D. Russell Duke University
Carmelo A. Milano
Carmelo A. Milano Duke University
Eric A. Rose
Eric A. Rose Icahn School of Medicine at Mount Sinai
John V. Conte
John V. Conte Pennsylvania State University
Joseph G. Rogers
Joseph G. Rogers The Texas Heart Institute

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