World's Best Scientists 2026 revealed!
Claude Pichard

Claude Pichard

D-Index & Metrics

Medicine

D-Index
98
Citations
44319
World Ranking
8808
National Ranking
4537

Claude Pichard 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 Claude Pichard 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: 620 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

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

Claude Pichard 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 Claude Pichard 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: 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

Claude Pichard is affiliated with Geneva College in the United States and has an extensive publication record focused primarily on medicine and nursing. Their research spans several subfields, including physiology, nutrition and dietetics, pulmonary and respiratory medicine, critical care and intensive care medicine, and surgery.

The scientist's work frequently addresses topics such as nutrition and health in aging, clinical nutrition and gastroenterology, body composition measurement techniques, intensive care unit cognitive disorders, electrolyte and hormonal disorders, diet and metabolism studies, and the quality of life of childhood cancer survivors.

Claude Pichard has contributed to multiple research papers, including recent publications such as:

  • ESPEN practical and partially revised guideline: Clinical nutrition in the intensive care unit (2023, Clinical Nutrition)
  • ESPEN guideline on hospital nutrition (2021, Clinical Nutrition)
  • Nutrition of the COVID-19 patient in the intensive care unit (ICU): a practical guidance (2020, Critical Care)
  • The centenary of the Harris-Benedict equations: How to assess energy requirements best? Recommendations from the ESPEN expert group (2020, Clinical Nutrition)
  • Effect of Early vs Late Supplemental Parenteral Nutrition in Patients Undergoing Abdominal Surgery (2022, JAMA Surgery)

Co-authorship is a significant aspect of their scientific contributions. Frequent collaborators include:

  • Gustavo D. Pimentel
  • Alessandro Laviano
  • Pierre Singer
  • Mette M. Berger
  • Thaís C. Borges

Their research has been published predominantly in journals such as Clinical Nutrition, Clinical Nutrition ESPEN, Critical Care, Experimental Gerontology, and Current Opinion in Clinical Nutrition & Metabolic Care. Clinical Nutrition stands out as the most frequent publication venue.

Best Publications

  • Bioelectrical impedance analysis--part I: review of principles and methods.

    Ursula G. Kyle;Ingvar Bosaeus;Antonio D. De Lorenzo;Paul Deurenberg

  • Bioelectrical impedance analysis-part II: utilization in clinical practice.

    Ursula G. Kyle;Ingvar Bosaeus;Antonio D. De Lorenzo;Paul Deurenberg

  • ESPEN guideline on clinical nutrition in the intensive care unit

    Pierre Singer;Annika Reintam Blaser;Mette Berger;Waleed Alhazzani

  • ESPEN Guidelines on Parenteral Nutrition: intensive care.

    Pierre Singer;Mette M. Berger;Greet Van den Berghe;Gianni Biolo

  • Prognostic impact of disease-related malnutrition.

    Kristina Norman;Claude Pichard;Herbert Lochs;Matthias Pirlich

  • Fat-free mass index and fat mass index percentiles in Caucasians aged 18-98 y.

    Y Schutz;U U G Kyle;C Pichard

  • Optimisation of energy provision with supplemental parenteral nutrition in critically ill patients: a randomised controlled clinical trial

    Claudia Paula Heidegger;Mette M Berger;Séverine Graf;Walter Zingg

  • Single prediction equation for bioelectrical impedance analysis in adults aged 20–94 years

    Ursula G Kyle;Laurence Genton;Laurie Karsegard;Daniel O Slosman

  • Introductory to the ESPEN Guidelines on Enteral Nutrition: Terminology, Definitions and General Topics

    H. Lochs;S.P. Allison;R. Meier;M. Pirlich

  • Decreased food intake is a risk factor for mortality in hospitalised patients: the NutritionDay survey 2006.

    M. Hiesmayr;K. Schindler;E. Pernicka;C. Schuh

  • Age-related differences in fat-free mass, skeletal muscle, body cell mass and fat mass between 18 and 94 years.

    U G Kyle;L Genton;D Hans;L Karsegard

  • Fat-free and fat mass percentiles in 5225 healthy subjects aged 15 to 98 years.

    Ursula G Kyle;Laurence Genton;Daniel O Slosman;Claude Pichard

  • Body composition interpretation. Contributions of the fat-free mass index and the body fat mass index.

    Ursula G Kyle;Yves Schutz;Yves M Dupertuis;Claude Pichard

  • Nutritional assessment: lean body mass depletion at hospital admission is associated with an increased length of stay

    Claude Pichard;Ursula G Kyle;Alfredo Morabia;Arnaud Perrier

  • Comparison of tools for nutritional assessment and screening at hospital admission: a population study.

    Ursula G. Kyle;Michel P. Kossovsky;Veronique L. Karsegard;Claude Pichard

  • Nutritional intervention and quality of life in adult oncology patients.

    Mónica María Marín Caro;Alessandro Laviano;Claude Pichard

  • Metabolic and nutritional support of critically ill patients: consensus and controversies

    Jean Charles Preiser;Arthur R. H. van Zanten;Mette M. Berger;Gianni Biolo

  • Sedentarism affects body fat mass index and fat-free mass index in adults aged 18 to 98 years.

    Ursula G Kyle;Alfredo Morabia;Yves Schutz;Claude Pichard

  • How nutritional risk is assessed and managed in European hospitals: A survey of 21,007 patients findings from the 2007-2008 cross-sectional nutritionDay survey

    Karin Schindler;Elisabeth Pernicka;Alessandro Laviano;Pat Howard

  • n-3 Polyunsaturated fatty acids and colon cancer prevention

    Catherine E Roynette;Philip C Calder;Yves Marc Dupertuis;Claude Pichard

Frequent Co-Authors

Didier Hans
Didier Hans University of Lausanne
Olle Ljungqvist
Olle Ljungqvist Örebro University
Yves Schutz
Yves Schutz University of Fribourg
Vickie E. Baracos
Vickie E. Baracos University of Alberta
Jean Louis Vincent
Jean Louis Vincent Université Libre de Bruxelles
Alfredo Morabia
Alfredo Morabia Queens College, CUNY
Marinos Elia
Marinos Elia University of Southampton
Philip C. Calder
Philip C. Calder University of Southampton
François Herrmann
François Herrmann University of Geneva
Pierre-Yves Dietrich
Pierre-Yves Dietrich University of Geneva

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