World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
82
Citations
27677
World Ranking
16003
National Ranking
606

Cor J. Kalkman 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 Cor J. Kalkman 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: 337 publications — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Cor J. Kalkman 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 Cor J. Kalkman 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: 82 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Overview

Cor J. Kalkman is affiliated with the University Medical Center Utrecht in the Netherlands. Their research primarily spans the field of Medicine, with notable contributions in Surgery, Cardiology and Cardiovascular Medicine, Emergency Medical Services, Epidemiology, and Biomedical Engineering. The scientist's work addresses a range of topics including Cardiac, Anesthesia and Surgical Outcomes, Hemodynamic Monitoring and Therapy, Healthcare Technology and Patient Monitoring, Hip and Femur Fractures, Anesthesia and Pain Management, Non-Invasive Vital Sign Monitoring, and Patient Safety and Medication Errors.

Cor J. Kalkman has published extensively, with recent papers appearing in prominent medical journals. Some examples of these publications include:

  • Systematic review and consensus definitions for the Standardized Endpoints in Perioperative Medicine (StEP) initiative: cardiovascular outcomes (2020, British Journal of Anaesthesia)
  • Ten years of the Helsinki Declaration on patient safety in anaesthesiology (2020, European Journal of Anaesthesiology)
  • Adaptive threshold-based alarm strategies for continuous vital signs monitoring (2021, Journal of Clinical Monitoring and Computing)
  • Performance and usability of pre-operative prediction models for 30-day peri-operative mortality risk: a systematic review (2023, Anaesthesia)
  • Feasibility of continuous monitoring of vital signs in surgical patients on a general ward: an observational cohort study (2021, BMJ Open)

The scientist collaborates frequently with colleagues across various research projects. Their most common coauthors include Martine J. M. Breteler, Benedikt Preckel, Jobbe P L Leenen, Lisette Schoonhoven, and Jacqueline E. M. Vernooij.

Cor J. Kalkman's publications have appeared regularly in several key journals, showcasing recurring contributions in:

  • British Journal of Anaesthesia
  • PLoS ONE
  • JMIR Perioperative Medicine
  • Journal of Clinical Medicine
  • European Journal of Anaesthesiology

Their research topics intersect clinical practice and technological innovation, particularly focusing on improving patient monitoring and safety in perioperative and intensive care settings. This includes analysis of vital signs monitoring, perioperative risk prediction, and the development of alarm strategies to enhance clinical workflows and patient outcomes.

Best Publications

  • Pain intensity on the first day after surgery: a prospective cohort study comparing 179 surgical procedures.

    Hans J. Gerbershagen;Sanjay Aduckathil;Albert J. M. van Wijck;Linda M. Peelen

  • Decontamination of the Digestive Tract and Oropharynx in ICU Patients

    P. Pickkers;D. Bogaers-Hofman;K. Kaasjager;M. van Iterson

  • Preoperative prediction of severe postoperative pain

    C.J Kalkman;K Visser;J Moen;G.J Bonsel

  • Incidence of intraoperative hypotension as a function of the chosen definition: literature definitions applied to a retrospective cohort using automated data collection.

    Jilles B. Bijker;Wilton A. van Klei;Teus H. Kappen;Leo van Wolfswinkel

  • Cognitive outcome after off-pump and on-pump Coronary artery bypass graft surgery a Randomized trial

    Diederik Van Dijk;Erik W. L. Jansen;Ron Hijman;Arno P. Nierich

  • Effects of the introduction of the WHO "Surgical Safety Checklist" on in-hospital mortality: a cohort study.

    W. A. van Klei;R. G. Hoff;E. E. H. L. van Aarnhem;R. K. J. Simmermacher

  • A comparison of on-pump and off-pump coronary bypass surgery in low-risk patients.

    Hendrik M. Nathoe;Diederik van Dijk;Erik W.L. Jansen;Willem J.L. Suyker

  • Intraoperative Hypotension and Perioperative Ischemic Stroke After General Surgery: A Nested Case-Control Study

    Jilles B. Bijker;Suzanne Persoon;Linda M. Peelen;Karel G. M. Moons

  • Long-term propofol infusion and cardiac failure in adult head-injured patients.

    Olaf L. Cremer;Karel G. M. Moons;Esther A. C. Bouman;Janneke E. Kruijswijk

  • Determination of moderate-to-severe postoperative pain on the numeric rating scale: a cut-off point analysis applying four different methods

    H.J. Gerbershagen;J. Rothaug;C.J. Kalkman;W. Meissner

  • Behavior and development in children and age at the time of first anesthetic exposure

    Cor J. Kalkman;Linda Peelen;Karel G. Moons;Morna Veenhuizen

  • Intraoperative High-Dose Dexamethasone for Cardiac Surgery: A Randomized Controlled Trial

    Jan M. Dieleman;Arno P. Nierich;Peter M. Rosseel;Joost M. van der Maaten

  • Improving Patient Handovers From Hospital to Primary Care: A Systematic Review

    Gijs Hesselink;Lisette Schoonhoven;Paul Barach;Anouk Spijker

  • Effect of intracranial pressure monitoring and targeted intensive care on functional outcome after severe head injury.

    Olaf L. Cremer;Gert W. van Dijk;Erik van Wensen;Geert J. F. Brekelmans

  • Procedure-specific Risk Factor Analysis for the Development of Severe Postoperative Pain

    Hans J. Gerbershagen;Esther Pogatzki-Zahn;Sanjay Aduckathil;Linda M. Peelen

  • Intraoperative Hypotension and 1-Year Mortality after Noncardiac Surgery

    Jilles B. Bijker;Wilton A. van Klei;Yvonne Vergouwe;Douglas J. Eleveld

  • Updating methods improved the performance of a clinical prediction model in new patients.

    K.J.M. Janssen;K.G.M. Moons;C.J. Kalkman;D.E. Grobbee

  • Cognitive and cardiac outcomes 5 years after off-pump vs on-pump coronary artery bypass graft surgery

    Diederik van Dijk;Monique Spoor;Ron Hijman;Hendrik M. Nathoe

  • When do supervising physicians decide to entrust residents with unsupervised tasks

    Anneke Sterkenburg;Paul Barach;Cor Kalkman;Mathieu Gielen

  • Randomized Controlled Trial of Total Intravenous Anesthesia with Propofol versus Inhalation Anesthesia with Isoflurane-Nitrous Oxide Postoperative Nausea and Vomiting and Economic Analysis

    Klazina Visser;Elly A. Hassink;Gouke J. Bonsel;Jeroen Moen

Frequent Co-Authors

Karel G.M. Moons
Karel G.M. Moons Utrecht University
Diederick E. Grobbee
Diederick E. Grobbee Utrecht University
Olle ten Cate
Olle ten Cate Utrecht University
Lisette Schoonhoven
Lisette Schoonhoven Utrecht University
Berend Olivier
Berend Olivier Utrecht University
Gabriel J.E. Rinkel
Gabriel J.E. Rinkel Utrecht University
Paul S. Myles
Paul S. Myles Monash University
Ale Algra
Ale Algra Leiden University
Richard van Hillegersberg
Richard van Hillegersberg Utrecht University
Lars Eriksson
Lars Eriksson Linköping University

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