World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
82
Citations
25701
World Ranking
16076
National Ranking
1472

Daniel Sifrim 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 Daniel Sifrim 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: 561 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Daniel Sifrim 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 Daniel Sifrim 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

Daniel Sifrim is affiliated with Queen Mary University of London in the United Kingdom. Their research primarily focuses on Medicine, with significant contributions to the subfields of Surgery, Gastroenterology, Speech and Hearing, Pulmonary and Respiratory Medicine, and Aquatic Science.

Their work centers on several major topics including:

  • Gastroesophageal reflux and treatments
  • Eosinophilic Esophagitis
  • Helicobacter pylori-related gastroenterology studies
  • Esophageal and GI Pathology
  • Dysphagia Assessment and Management
  • Gastrointestinal motility and disorders
  • Respiratory and Cough-Related Research

Among their recent papers are:

  • Esophageal motility disorders on high-resolution manometry: Chicago classification version 4.0© (2020) published in Neurogastroenterology & Motility
  • Updates to the modern diagnosis of GERD: Lyon consensus 2.0 (2023) published in Gut
  • Gastro-oesophageal reflux disease (2021) published in Nature Reviews Disease Primers
  • ESNM/ANMS consensus paper: Diagnosis and management of refractory gastro-esophageal reflux disease (2020) published in Neurogastroenterology & Motility
  • Achalasia (2022) published in Nature Reviews Disease Primers

Frequent co-authors in their research include:

  • C. Prakash Gyawali
  • Edoardo Savarino
  • Akinari Sawada
  • Sabine Roman
  • Philip Woodland

They have published extensively in several journals, notably:

  • Gastroenterology with 27 publications
  • Neurogastroenterology & Motility with 20 publications
  • The American Journal of Gastroenterology with 6 publications
  • Alimentary Pharmacology & Therapeutics with 6 publications
  • Clinical Gastroenterology and Hepatology with 4 publications

Best Publications

  • Modern diagnosis of GERD: the Lyon Consensus

    C Prakash Gyawali;Peter J Kahrilas;Edoardo Savarino;Frank Zerbib

  • Gastro-oesophageal reflux monitoring: review and consensus report on detection and definitions of acid, non-acid, and gas reflux

    Daniel Sifrim;D Castell;P J Kahrilas

  • Acid and non-acid reflux in patients with persistent symptoms despite acid suppressive therapy. A multicentre study using combined ambulatory impedance-pH monitoring

    Inder Mainie;Radu Tutuian;Steven Shay;Marcelo Vela

  • Twenty-four hour ambulatory simultaneous impedance and pH monitoring: A multicenter report of normal values from 60 healthy volunteers

    Steven Shay;Radu Tutuian;Daniel Sifrim;Marcelo Vela

  • Esophageal motility disorders on high-resolution manometry: Chicago classification version 4.0©

    Rena Yadlapati;Peter J. Kahrilas;Mark R. Fox;Albert J. Bredenoord

  • Esophageal pH-impedance monitoring and symptom analysis in GERD: a study in patients off and on therapy.

    Frank Zerbib;Sabine Roman;Alain Ropert;Stanislas Bruley des Varannes

  • Acid, nonacid, and gas reflux in patients with gastroesophageal reflux disease during ambulatory 24-hour pH-impedance recordings.

    Daniel Sifrim;Richard Holloway;Jiri Silny;Zhang Xin

  • Weakly acidic reflux in patients with chronic unexplained cough during 24 hour pressure, pH, and impedance monitoring

    Daniel Sifrim;Lieven Dupont;Kathleen Blondeau;X Zhang

  • Management of heartburn not responding to proton pump inhibitors

    R Fass;D Sifrim

  • Diagnosis and management of patients with reflux symptoms refractory to proton pump inhibitors

    Daniel Sifrim;Frank Zerbib

  • Normal values and day-to-day variability of 24-h ambulatory oesophageal impedance-pH monitoring in a Belgian-French cohort of healthy subjects.

    F Zerbib;S Bruley des Varannes;S Roman;P Pouderoux

  • Effect of the GABA(B) agonist baclofen in patients with symptoms and duodeno-gastro-oesophageal reflux refractory to proton pump inhibitors

    G H Koek;D Sifrim;T Lerut;J Janssens

  • Ambulatory reflux monitoring for diagnosis of gastro-esophageal reflux disease: Update of the Porto consensus and recommendations from an international consensus group.

    S. Roman;C. P. Gyawali;E. Savarino;R. Yadlapati

  • Clinical trial: a randomized-controlled crossover study of intrapyloric injection of botulinum toxin in gastroparesis.

    J Arts;L Holvoet;P Caenepeel;Raf Bisschops

  • Gastro-oesophageal reflux and gastric aspiration in lung transplant patients with or without chronic rejection

    K Blondeau;V Mertens;B A Vanaudenaerde;G M Verleden

  • The 2018 ISDE achalasia guidelines

    G. Zaninotto;C. Bennett;G. Boeckxstaens;M. Costantini

  • Patterns of gas and liquid reflux during transient lower oesophageal sphincter relaxation: a study using intraluminal electrical impedance

    Daniel Sifrim;J Silny;R H Holloway;J J Janssens

  • Composition of the postprandial refluxate in patients with gastroesophageal reflux disease

    Daniel Sifrim;Richard Holloway;Jiri Silny;Jan Tack

  • Evaluation of oesophageal mucosa integrity by the intraluminal impedance technique

    Ricard Farré;Kathleen Blondeau;Dominique Clement;Maria Vicario

  • Management of heartburn not responding to proton pump

    D Sifrim;R Fass

Frequent Co-Authors

Jan Tack
Jan Tack KU Leuven
Lieven Dupont
Lieven Dupont KU Leuven
Edoardo Savarino
Edoardo Savarino University of Padua
John E. Pandolfino
John E. Pandolfino Northwestern University
Mark A. Fox
Mark A. Fox University of Zurich
Peter J. Kahrilas
Peter J. Kahrilas Northwestern University
Albert J. Bredenoord
Albert J. Bredenoord University of Amsterdam

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