World's Best Scientists 2026 revealed!
Andreas Laupacis

Andreas Laupacis

D-Index & Metrics

Medicine

D-Index
127
Citations
90350
World Ranking
2771
National Ranking
109

Andreas Laupacis 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 Andreas Laupacis 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: 610 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: 477 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Andreas Laupacis 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 Andreas Laupacis 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: 399 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: 127 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

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

Overview

Andreas Laupacis is affiliated with St. Michael's Hospital in Canada and has contributed extensively to medical research, particularly in the field of medicine and its subfields. Their work spans several areas including biochemistry, hematology, critical care and intensive care medicine, pediatrics, perinatology and child health, and gastroenterology.

The researcher's main topics of focus include blood transfusion and management, trauma, hemostasis, coagulopathy, resuscitation, maternal and fetal healthcare, hemophilia treatment and research, gastrointestinal bleeding diagnosis and treatment, platelet disorders and treatments, and blood donation and transfusion practices.

They have authored multiple papers, with recent publications including:

  • Effects of a high-dose 24-h infusion of tranexamic acid on death and thromboembolic events in patients with acute gastrointestinal bleeding (HALT-IT), 2020, The Lancet
  • Effect of tranexamic acid by baseline risk of death in acute bleeding patients: a meta-analysis of individual patient-level data from 28,333 patients, 2020, British Journal of Anaesthesia
  • Tranexamic acid for postpartum bleeding: a systematic review and individual patient data meta-analysis of randomised controlled trials, 2024, The Lancet
  • Tranexamic acid for preventing postpartum haemorrhage after caesarean section, 2024, Cochrane Database of Systematic Reviews
  • Tranexamic acid for preventing postpartum haemorrhage after vaginal birth, 2025, Cochrane Database of Systematic Reviews

The frequency of their publications in particular venues includes notable contributions to:

  • The Lancet (2 publications)
  • Cochrane Database of Systematic Reviews (2 publications)
  • Gates Open Research (2 publications)
  • British Journal of Anaesthesia (1 publication)
  • BMJ Open (1 publication)

Frequent co-authors for Andreas Laupacis comprise:

  • Haleema Shakur-Still
  • Ian Roberts
  • Rizwana Chaudhri
  • Raoul Mansukhani
  • Mònica Arribas

Their research often intersects with topics such as blood transfusion protocols, management of bleeding and coagulopathy, and maternal health interventions. This interdisciplinary approach involves collaboration with researchers from critical care, haematology, and pediatric fields, reflecting a broad interest in clinical and translational medicine.

Best Publications

  • Spirit 2013 statement: Defining standard protocol items for clinical trials

    An Wen Chan;Jennifer M. Tetzlaff;Douglas G. Altman;Andreas Laupacis

  • SPIRIT 2013 explanation and elaboration: guidance for protocols of clinical trials

    An Wen Chan;Jennifer M. Tetzlaff;Peter C. Gøtzsche;Douglas G. Altman

  • Evidence-Based Medicine: A New Approach to Teaching the Practice of Medicine

    Gordon Guyatt;John Cairns;David Churchill;Deborah Cook

  • Prevalence, Age Distribution, and Gender of Patients With Atrial Fibrillation: Analysis and Implications

    William M. Feinberg;Joseph L. Blackshear;Andreas Laupacis;Richard Kronmal

  • An assessment of clinically useful measures of the consequences of treatment.

    Andreas Laupacis;David L. Sackett;Robin S. Roberts

  • How attractive does a new technology have to be to warrant adoption and utilization? Tentative guidelines for using clinical and economic evaluations

    A Laupacis;D Feeny;A S Detsky;P X Tugwell

  • Rates of Hyperkalemia after Publication of the Randomized Aldactone Evaluation Study

    David N. Juurlink;Muhammad M. Mamdani;Douglas S. Lee;Alexander Kopp

  • The Canadian CT Head Rule for patients with minor head injury.

    Ian G Stiell;George A Wells;Katherine Vandemheen;Catherine Clement

  • USERS' GUIDES TO THE MEDICAL LITERATURE. II: HOW TO USE AN ARTICLE ABOUT THERAPY OR PREVENTION A. ARE THE RESULTS OF THE STUDY VALID ?

    Gordon H. Guyatt;David L. Sackett;Deborah J. Cook;Gordon Guyatt

  • A study of the quality of life and cost-utility of renal transplantation

    Andreas Laupacis;Paul Keown;Nancy Pus;Hans Krueger

  • Canadian atrial fibrillation anticoaguiation (CAFA) study

    Stuart J. Connolly;Andreas Laupacis;Michael Gent;Robin S. Roberts

  • Vascular and upper gastrointestinal effects of non-steroidal anti-inflammatory drugs: Meta-analyses of individual participant data from randomised trials

    Colin Baigent;N. Bhala;J. Emberson;A. Merhi

  • Adjusted-dose warfarin versus low-intensity, fixed-dose warfarin plus aspirin for high-risk patients with atrial fibrillation: Stroke prevention in Atrial Fibrillation III Randomised Clinical Trial

    J. L. Blackshear;V. S. Baker;F. Rubino;R. Safford

  • The Canadian C-spine Rule for radiography in alert and stable trauma patients

    Ian G. Stiell;George A. Wells;Katherine L. Vandemheen;Catherine M. Clement

  • Atrial Fibrillation in Patients with Cryptogenic Stroke

    David J. Gladstone;Melanie Spring;Paul Dorian;Val Panzov

  • Users' Guides to the Medical Literature: VI. How to Use an Overview

    Andrew D. Oxman;Deborah J. Cook;Gordon H. Guyatt;Eric Bass

  • Clinical prediction rules. A review and suggested modifications of methodological standards.

    A Laupacis;N Sekar;I G Stiell

  • Users' Guides to the Medical Literature: II. How to Use an Article About Therapy or Prevention B. What Were the Results and Will They Help Me in Caring for My Patients?

    Gordon H. Guyatt;David L. Sackett;Deborah J. Cook;Gordon Guyatt

  • Drug-Drug Interactions Among Elderly Patients Hospitalized for Drug Toxicity

    David N. Juurlink;Muhammad Mamdani;Alexander Kopp;Andreas Laupacis

  • Oral anticoagulants vs aspirin in nonvalvular atrial fibrillation: an individual patient meta-analysis.

    Carl van Walraven;Robert G. Hart;Daniel E. Singer;Andreas Laupacis

Frequent Co-Authors

Peter C. Austin
Peter C. Austin University of Toronto
Muhammad Mamdani
Muhammad Mamdani University of Toronto
Peter Tugwell
Peter Tugwell University of Ottawa
George A. Wells
George A. Wells University of Ottawa
Duminda N. Wijeysundera
Duminda N. Wijeysundera University of Toronto
Ian G. Stiell
Ian G. Stiell University of Ottawa
David N. Juurlink
David N. Juurlink University of Toronto
David L. Sackett
David L. Sackett McMaster University
Dean Fergusson
Dean Fergusson Ottawa Hospital
Ian D. Graham
Ian D. Graham Ottawa Hospital

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