World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
79
Citations
21976
World Ranking
17599
National Ranking
559

Tatsuya Morita 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 Tatsuya Morita 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: 655 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Tatsuya Morita 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 Tatsuya Morita 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: 79 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Overview

Tatsuya Morita is affiliated with Seirei Mikatabara General Hospital in Japan. Their research work primarily focuses on the field of Medicine, with significant contributions in Public Health, Environmental and Occupational Health, Oncology, Clinical Psychology, Pediatrics, Perinatology and Child Health, and General Health Professions.

The main research topics covered by Tatsuya Morita include:

  • Palliative Care and End-of-Life Issues
  • Cancer survivorship and care
  • Grief, Bereavement, and Mental Health
  • Patient Dignity and Privacy
  • Childhood Cancer Survivors' Quality of Life
  • Intensive Care Unit Cognitive Disorders
  • Nutrition and Health in Aging

Tatsuya Morita has published extensively in several academic venues. The most frequent publication venues include:

  • Journal of Pain and Symptom Management
  • Supportive Care in Cancer
  • Research Square (Research Square)
  • Journal of Palliative Medicine
  • Palliative Medicine Reports

Notable recent papers authored include:

  • Effects of enteral nutrition and parenteral nutrition on survival in patients with advanced cancer cachexia: Analysis of a multicenter prospective cohort study (2020, Clinical Nutrition)
  • Communication and Behavior of Palliative Care Physicians of Patients With Cancer Near End of Life in Three East Asian Countries (2020, Journal of Pain and Symptom Management)
  • Culturally Adapted Consensus Definition and Action Guideline: Japan's Advance Care Planning (2022, Journal of Pain and Symptom Management)
  • Palliative Care for Idiopathic Pulmonary Fibrosis Patients: Pulmonary Physicians' View (2020, Journal of Pain and Symptom Management)
  • Prognostic evaluation in patients with advanced cancer in the last months of life: ESMO Clinical Practice Guideline (2023, ESMO Open)

Frequent co-authors collaborating with Tatsuya Morita include:

  • Masanori Mori
  • Mitsunori Miyashita
  • Satoru Tsuneto
  • Yoshiyuki Kizawa
  • Isseki Maeda

Best Publications

  • Good death in cancer care: a nationwide quantitative study

    M Miyashita;M Sanjo;T Morita;K Hirai

  • Good Death Inventory: A Measure for Evaluating Good Death from the Bereaved Family Member's Perspective

    Mitsunori Miyashita;Tatsuya Morita;Kazuki Sato;Kei Hirai

  • Late Referrals to Specialized Palliative Care Service in Japan

    Tatsuya Morita;Tatsuo Akechi;Masayuki Ikenaga;Yoshiyuki Kizawa

  • Effects of High Dose Opioids and Sedatives on Survival in Terminally Ill Cancer Patients

    Tatsuya Morita;Junichi Tsunoda;Satoshi Inoue;Satoshi Chihara

  • Psychotherapy for depression among incurable cancer patients

    Tatsuo Akechi;Toru Okuyama;Joji Onishi;Tatsuya Morita

  • Underlying pathologies and their associations with clinical features in terminal delirium of cancer patients.

    Tatsuya Morita;You Tei;Junichi Tsunoda;Satoshi Inoue

  • Good death in Japanese cancer care: a qualitative study.

    Kei Hirai;Mitsunori Miyashita;Tatsuya Morita;Makiko Sanjo

  • Efficacy of Short-Term Life-Review Interviews on the Spiritual Well-Being of Terminally Ill Cancer Patients

    Michiyo Ando;Tatsuya Morita;Tatsuo Akechi;Takuya Okamoto

  • Ethical validity of palliative sedation therapy: a multicenter, prospective, observational study conducted on specialized palliative care units in Japan.

    Tatsuya Morita;Yoshikazu Chinone;Masayuki Ikenaga;Makoto Miyoshi

  • Burnout and psychiatric morbidity among physicians engaged in end-of-life care for cancer patients: a cross-sectional nationwide survey in Japan.

    Mariko Asai;Tatsuya Morita;Tatsuo Akechi;Yuriko Sugawara

  • Communication about the ending of anticancer treatment and transition to palliative care

    T. Morita;T. Akechi;M. Ikenaga;Y. Kizawa

  • Development of a Clinical Guideline for Palliative Sedation Therapy Using the Delphi Method

    Tatsuya Morita;Seiji Bito;Yukie Kurihara;Yosuke Uchitomi

  • Preferences of cancer patients regarding the disclosure of bad news

    Maiko Fujimori;Tatsuo Akechi;Tatsuya Morita;Masatoshi Inagaki

  • Definition of sedation for symptom relief: a systematic literature review and a proposal of operational criteria.

    Tatsuya Morita;Satoru Tsuneto;Yasuo Shima

  • The palliative care knowledge test: reliability and validity of an instrument to measure palliative care knowledge among health professionals:

    Y. Nakazawa;M. Miyashita;T. Morita;M. Umeda

  • Place of Death and the Differences in Patient Quality of Death and Dying and Caregiver Burden

    Hiroya Kinoshita;Isseki Maeda;Tatsuya Morita;Mitsunori Miyashita

  • Family-perceived distress from delirium-related symptoms of terminally ill cancer patients

    Tatsuya Morita;Kei Hirai;Yukihiro Sakaguchi;Satoru Tsuneto

  • Validity of the palliative performance scale from a survival perspective.

    T Morita;J Tsunoda;S Inoue;S Chihara

  • Contributing factors to physical symptoms in terminally-ill cancer patients.

    Tatsuya Morita;Junichi Tsunoda;Satoshi Inoue;Satoshi Chihara

  • Measuring the quality of structure and process in end-of-life care from the bereaved family perspective

    Tatsuya Morita;Kei Hirai;Yukihiro Sakaguchi;Etsuko Maeyama

Frequent Co-Authors

Tatsuo Akechi
Tatsuo Akechi Nagoya City University
Yosuke Uchitomi
Yosuke Uchitomi National Cancer Research Institute, UK
Eduardo Bruera
Eduardo Bruera The University of Texas MD Anderson Cancer Center
Takuji Okusaka
Takuji Okusaka National Cancer Centre
David C. Currow
David C. Currow Flinders University
Chikashi Ishioka
Chikashi Ishioka Tohoku University
Toshi A. Furukawa
Toshi A. Furukawa Kyoto University
Yutaka Matsuoka
Yutaka Matsuoka Hiroshima University
Hitoshi Okamura
Hitoshi Okamura Hiroshima University
Irene J Higginson
Irene J Higginson King's College London

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