World's Best Scientists 2026 revealed!
Richard H. Karas

Richard H. Karas

D-Index & Metrics

Medicine

D-Index
89
Citations
37540
World Ranking
12502
National Ranking
6404

Richard H. Karas 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 Richard H. Karas 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: 366 publications — 31st percentile

31% of scientists in this discipline score the same or lower.

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

Richard H. Karas 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 Richard H. Karas 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: 89 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Overview

Richard H. Karas is affiliated with Tufts University in the United States and has contributed extensively to the field of medicine, with a primary focus on cardiology and cardiovascular medicine. Their research portfolio includes 24 publications in medicine, with significant emphasis on cardiology and cardiovascular medicine, molecular biology, pathology and forensic medicine, surgery, and biomedical engineering.

The main topics covered in Karas's research are:

  • Cardiac Ischemia and Reperfusion
  • Mechanical Circulatory Support Devices
  • Phosphodiesterase Function and Regulation
  • Heart Failure Treatment and Management
  • Cardiovascular Function and Risk Factors
  • Peripheral Artery Disease Management
  • Fuel Cells and Related Materials

Recent papers include:

  • Transvalvular Ventricular Unloading Before Reperfusion in Acute Myocardial Infarction (2020), published in Journal of the American College of Cardiology
  • Estrogen Receptor-α Non-Nuclear Signaling Confers Cardioprotection and Is Essential to cGMP-PDE5 Inhibition Efficacy (2020), published in JACC Basic to Translational Science
  • CRD-733, a Novel PDE9 (Phosphodiesterase 9) Inhibitor, Reverses Pressure Overload-Induced Heart Failure (2021), published in Circulation Heart Failure
  • The mitochondrial regulator PGC1α is induced by cGMP-PKG signaling and mediates the protective effects of phosphodiesterase 5 inhibition in heart failure (2021), published in FEBS Letters
  • Delaying reperfusion plus left ventricular unloading reduces infarct size: Sub-analysis of DTU-STEMI pilot study (2023), published in Cardiovascular Revascularization Medicine

The venues where Karas has frequently published are:

  • Journal of the American College of Cardiology (5 publications)
  • Circulation (3 publications)
  • Cardiovascular Revascularization Medicine (2 publications)
  • JACC Basic to Translational Science (1 publication)
  • Circulation Heart Failure (1 publication)

Frequent co-authors in Karas's research include:

  • Navin K. Kapur
  • James E. Udelson
  • Jeffrey W. Moses
  • Haroon Faraz
  • Lija Swain

The scientist's work intersects various disciplines such as cardiology, molecular biology, pathology, surgery, and biomedical engineering, with particular concentration on mechanisms related to cardiac ischemia, heart failure, and phosphodiesterase regulation. Their recent focus appears to involve exploring molecular signaling pathways and interventions aimed at improving outcomes in cardiovascular diseases through pharmacological and mechanical support strategies.

Best Publications

  • The protective effects of estrogen on the cardiovascular system

    Michael E. Mendelsohn;Richard H. Karas

  • Statin-Associated Myopathy

    Paul D. Thompson;Priscilla Clarkson;Richard H. Karas

  • Molecular and cellular basis of cardiovascular gender differences

    Michael E. Mendelsohn;Richard H. Karas

  • Estrogen receptor α mediates the nongenomic activation of endothelial nitric oxide synthase by estrogen

    Zhong Chen;Ivan S. Yuhanna;Zoya Galcheva-Gargova;Richard H. Karas

  • Assessment of peripheral vascular endothelial function with finger arterial pulse wave amplitude

    Jeffrey T Kuvin;Ayan R Patel;Kathleen A Sliney;Natesa G Pandian

  • A transcriptionally active DNA-binding site for human p53 protein complexes.

    Walter D. Funk;Daniel T. Pak;Richard H. Karas;Woodring E. Wright

  • Postmenopausal Hormone Therapy: An Endocrine Society Scientific Statement

    Richard J. Santen;D. Craig Allred;Stacy P. Ardoin;David F. Archer

  • Human vascular smooth muscle cells contain functional estrogen receptor

    R H Karas;B L Patterson;M E Mendelsohn

  • Abnormal Vascular Function and Hypertension in Mice Deficient in Estrogen Receptor β

    Yan Zhu;Zhao Bian;Ping Lu;Richard H. Karas

  • Estrogen inhibits the vascular injury response in estrogen receptor alpha-deficient mice.

    Mark D. Iafrati;Richard H. Karas;Mark Aronovitz;Sung Kim

  • Cardiac myocytes and fibroblasts contain functional estrogen receptors

    Christian Grohé;Stefan Kahlert;Kerstin Löbbert;Michael Stimpel

  • Estrogen and progestogen use in postmenopausal women: July 2008 position statement of The North American Menopause Society.

    Utian Wh;Archer Df;Bachmann Ga;Gallagher C

  • Regulator of G-protein signaling-2 mediates vascular smooth muscle relaxation and blood pressure

    K Mary Tang;Guang-rong Wang;Ping Lu;Richard H Karas

  • Estrogen Receptor-α Mediates the Protective Effects of Estrogen Against Vascular Injury

    Gary Pare;Andrée Krust;Richard H. Karas;Sonia Dupont

  • Estrogen and the blood vessel wall.

    Michael E. Mendelsohn;Richard H. Karas

  • Increased Expression of Estrogen Receptor-β mRNA in Male Blood Vessels After Vascular Injury

    Volkhard Lindner;Sung K. Kim;Richard H. Karas;George G. J. M. Kuiper

  • 17β-Estradiol Reduces Cardiomyocyte Apoptosis In Vivo and In Vitro via Activation of Phospho-Inositide-3 Kinase/Akt Signaling

    Richard D. Patten;Isaac Pourati;Mark J. Aronovitz;Jason Baur

  • Association between estrogen receptor α gene variation and cardiovascular disease

    Amanda M. Shearman;L. Adrienne Cupples;Serkalem Demissie;Inga Peter

  • Peripheral vascular endothelial function testing as a noninvasive indicator of coronary artery disease

    Jeffrey T Kuvin;Ayan R Patel;Kathleen A Sliney;Natesa G Pandian

  • Striatin assembles a membrane signaling complex necessary for rapid, nongenomic activation of endothelial NO synthase by estrogen receptor α

    Qing Lu;David C. Pallas;Howard K. Surks;Wendy E. Baur

Frequent Co-Authors

Natesa G. Pandian
Natesa G. Pandian Tufts Medical Center
David A. Kass
David A. Kass Johns Hopkins University School of Medicine
James E. Udelson
James E. Udelson Tufts Medical Center
Michael H. Davidson
Michael H. Davidson University of Chicago
William M. Rand
William M. Rand Tufts University
Martin S. Maron
Martin S. Maron Tufts University
Marvin A. Konstam
Marvin A. Konstam Tufts Medical Center
Roger J. Davis
Roger J. Davis University of Massachusetts Chan Medical School
Christopher H. Schmid
Christopher H. Schmid Brown University

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