Ayumi Shintani

37.8k total citations · 10 hit papers
363 papers, 26.3k citations indexed

About

Ayumi Shintani is a scholar working on Critical Care and Intensive Care Medicine, Epidemiology and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Ayumi Shintani has authored 363 papers receiving a total of 26.3k indexed citations (citations by other indexed papers that have themselves been cited), including 83 papers in Critical Care and Intensive Care Medicine, 75 papers in Epidemiology and 47 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Ayumi Shintani's work include Intensive Care Unit Cognitive Disorders (77 papers), Anesthesia and Sedative Agents (43 papers) and Anesthesia and Neurotoxicity Research (35 papers). Ayumi Shintani is often cited by papers focused on Intensive Care Unit Cognitive Disorders (77 papers), Anesthesia and Sedative Agents (43 papers) and Anesthesia and Neurotoxicity Research (35 papers). Ayumi Shintani collaborates with scholars based in United States, Japan and Italy. Ayumi Shintani's co-authors include Robert S. Dittus, Brenda T. Pun, E. Wesley Ely, Pratik P. Pandharipande, Gordon R. Bernard, Jennifer L. Thompson, Timothy D. Girard, James C. Jackson, E. Wesley Ely and Tebeb Gebretsadik and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Ayumi Shintani

348 papers receiving 25.5k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Long-Term Cognitive Impairment after Critical Illness

2013 1.8k citations Pratik P. Pandharipande, Timothy D. Girard et al. profile →
Efficacy and safety of a paired sedation and ventilator weaning protocol for mechanically ventilated patients in intensive care (Awakening and Breathing Controlled trial): a randomised controlled trial

2008 1.3k citations Timothy D. Girard, Jason W. W. Thomason et al. profile →
Monitoring Sedation Status Over Time in ICU Patients

2003 1.2k citations E. Wesley Ely, Brenda Truman et al. JAMA profile →
Effect of Sedation With Dexmedetomidine vs Lorazepam on Acute Brain Dysfunction in Mechanically Ventilated Patients

2007 945 citations Pratik P. Pandharipande, Brenda T. Pun et al. JAMA profile →
Long-Term Cognitive Impairment After Critical Illness

2014 905 citations Pratik P. Pandharipande, Timothy D. Girard et al. profile →
Delirium as a predictor of long-term cognitive impairment in survivors of critical illness

2010 845 citations Timothy D. Girard, James C. Jackson et al. profile →
Lorazepam Is an Independent Risk Factor for Transitioning to Delirium in Intensive Care Unit Patients

2005 793 citations Pratik P. Pandharipande, Ayumi Shintani et al. profile →
Premature Coronary-Artery Atherosclerosis in Systemic Lupus Erythematosus

2003 646 citations Ayumi Shintani et al. profile →
Costs associated with delirium in mechanically ventilated patients*

2004 613 citations Ayumi Shintani, Theodore Speroff et al. profile →
Depression, post-traumatic stress disorder, and functional disability in survivors of critical illness in the BRAIN-ICU study: a longitudinal cohort study

2014 441 citations James C. Jackson, Pratik P. Pandharipande et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Ayumi Shintani United States	75	14.5k	8.5k	5.8k	3.1k	3.0k	363	26.3k
Claudia Spies Germany	70	7.0k 0.5×	3.8k 0.4×	2.7k 0.5×	2.9k 1.0×	721 0.2×	816	21.4k
E. Wesley Ely United States	94	26.6k 1.8×	14.8k 1.7×	9.8k 1.7×	5.2k 1.7×	6.7k 2.2×	413	37.0k
Dale M. Needham United States	89	16.4k 1.1×	2.2k 0.3×	1.5k 0.3×	3.7k 1.2×	7.0k 2.3×	368	27.8k
Darrell R. Schroeder United States	76	2.9k 0.2×	4.1k 0.5×	3.2k 0.5×	1.9k 0.6×	163 0.1×	559	24.0k
Margaret S. Herridge Canada	51	8.4k 0.6×	989 0.1×	509 0.1×	2.3k 0.7×	3.1k 1.0×	164	17.1k
Joseph D. Tobias United States	51	2.5k 0.2×	5.4k 0.6×	2.5k 0.4×	784 0.3×	274 0.1×	957	13.8k
Sangeeta Mehta Canada	48	6.5k 0.4×	1.9k 0.2×	665 0.1×	1.8k 0.6×	2.0k 0.6×	211	12.7k
Dean Fergusson Canada	83	5.0k 0.3×	991 0.1×	362 0.1×	3.2k 1.0×	358 0.1×	673	26.8k
Maureen O. Meade Canada	60	5.7k 0.4×	1.7k 0.2×	323 0.1×	2.9k 0.9×	1.2k 0.4×	212	16.6k
Jørn Wetterslev Denmark	69	3.0k 0.2×	2.4k 0.3×	351 0.1×	3.7k 1.2×	162 0.1×	274	20.5k

Countries citing papers authored by Ayumi Shintani

Since Specialization

Citations

This map shows the geographic impact of Ayumi Shintani's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ayumi Shintani with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ayumi Shintani more than expected).

Fields of papers citing papers by Ayumi Shintani

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ayumi Shintani. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ayumi Shintani. The network helps show where Ayumi Shintani may publish in the future.

Co-authorship network of co-authors of Ayumi Shintani

This figure shows the co-authorship network connecting the top 25 collaborators of Ayumi Shintani. A scholar is included among the top collaborators of Ayumi Shintani based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ayumi Shintani. Ayumi Shintani is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Namikawa, Hiroki, et al.. (2025). Assessment of incidence and risk factors of COVID-19-associated candidemia using diagnosis procedure combination data. Journal of Infection and Chemotherapy. 31(5). 102689–102689.

Kabata, Daijiro, et al.. (2024). Changes in FeNO, d-ROMs, and BH4 by Intravenous L-Arginine in Children and Its Putative Role in Asthma Treatment. Journal of Asthma and Allergy. Volume 17. 251–259. 1 indexed citations

Mitsuyama, Yasuhito, Hiroyuki Tatekawa, Hirotaka Takita, et al.. (2024). Comparative analysis of GPT-4-based ChatGPT’s diagnostic performance with radiologists using real-world radiology reports of brain tumors. European Radiology. 35(4). 1938–1947. 26 indexed citations

Yoshida, Hisako, et al.. (2024). Real-world fracture risk, osteoporosis treatment status, and mortality of Japanese non-dialysis patients with chronic kidney disease stages G3–5. Clinical and Experimental Nephrology. 29(2). 236–247. 1 indexed citations

Sawa, Kenji, et al.. (2024). Immune Checkpoint Inhibitor Is Associated with Improved Survival in Advanced Non-small Cell Lung Cancer Occurring in Patients with Autoimmune Disease. Biological and Pharmaceutical Bulletin. 47(2). 454–461. 1 indexed citations

Iyoda, Tomonori, Kanako Shimizu, Masami Kawamura, et al.. (2023). Augmenting Granzyme B–Expressing NK Cells by Invariant NKT Ligand–Loaded APCs in Patients with Postoperative Early Stage Non–Small Cell Lung Cancer: Results of a Randomized Phase II Study. ImmunoHorizons. 7(1). 1–16. 3 indexed citations

Iso, Hiroyasu, Midori Noguchi, Tetsuji Yokoyama, et al.. (2023). Effect of a Community-Based Program to Accelerate Referral to Physicians for Individuals at High-Risk of Lifestyle-Related Diseases: A Cluster Randomized Trial. Journal of Atherosclerosis and Thrombosis. 30(10). 1389–1406. 2 indexed citations

Miyama, Takeshi, Kensaku Kakimoto, Nobuhiro Iritani, et al.. (2023). Exploring the threshold for the start of respiratory syncytial virus infection epidemic season using sentinel surveillance data in Japan. Frontiers in Public Health. 11. 1062726–1062726. 4 indexed citations

Kabata, Daijiro, Yasufumi Gon, & Ayumi Shintani. (2023). Matching on propensity and prognostic scores can lead to different estimates of heterogeneous treatment effects: a case study and simulation. Health Services and Outcomes Research Methodology. 24(2). 227–238. 1 indexed citations

10.

Naganuma, Toshihide, Daijiro Kabata, Yoshiaki Takemoto, et al.. (2020). Selective plasma exchange in ABO-incompatible kidney transplantation: comparison of substitution with albumin and partial substitution with fresh frozen plasma. Scientific Reports. 10(1). 1434–1434. 8 indexed citations

11.

Kaneko, Hidehiro, Masahiko Hara, Kazuki Mizutani, et al.. (2017). Improving Outcomes of Witnessed Out‐of‐Hospital Cardiac Arrest After Implementation of International Liaison Committee on Resuscitation 2010 Consensus: A Nationwide Prospective Observational Population‐Based Study. Journal of the American Heart Association. 6(8). 20 indexed citations

12.

Hara, Masahiko, et al.. (2016). Baseline disease is a more important predictor of intestinal necrosis than CT findings in patients with acute mesenteric ischemia. The American Journal of Emergency Medicine. 34(12). 2261–2265. 5 indexed citations

13.

Koethe, John R., Aihua Bian, Ayumi Shintani, et al.. (2013). Circulating Interleukin-6, Soluble CD14, and Other Inflammation Biomarker Levels Differ Between Obese and Nonobese HIV-Infected Adults on Antiretroviral Therapy. AIDS Research and Human Retroviruses. 29(7). 1019–1025. 36 indexed citations

14.

Girard, Timothy D., Lorraine B. Ware, Gordon R. Bernard, et al.. (2012). Associations of markers of inflammation and coagulation with delirium during critical illness. Intensive Care Medicine. 38(12). 1965–1973. 94 indexed citations

15.

Nunes, Julie A. Wright, Kenneth A. Wallston, Svetlana Eden, et al.. (2011). Associations among perceived and objective disease knowledge and satisfaction with physician communication in patients with chronic kidney disease. Kidney International. 80(12). 1344–1351. 96 indexed citations

16.

Koethe, John R., et al.. (2011). Serum Leptin Level Mediates the Association of Body Composition and Serum C-Reactive Protein in HIV-Infected Persons on Antiretroviral Therapy. AIDS Research and Human Retroviruses. 28(6). 552–557. 9 indexed citations

17.

Jackson, James C., Timothy D. Girard, Sharon M. Gordon, et al.. (2010). Long-term Cognitive and Psychological Outcomes in the Awakening and Breathing Controlled Trial. American Journal of Respiratory and Critical Care Medicine. 182(2). 183–191. 180 indexed citations

18.

Devasia, Rose, Amondrea Blackman, Tebeb Gebretsadik, et al.. (2009). Fluoroquinolone Resistance in Mycobacterium tuberculosis : The Effect of Duration and Timing of Fluoroquinolone Exposure. American Journal of Respiratory and Critical Care Medicine. 180(4). 365–370. 108 indexed citations

19.

Ely, E. Wesley, et al.. (2004). Consciousness monitoring in ventilated patients: bispectral EEG monitors arousal not delirium. Intensive Care Medicine. 30(8). 1537–1543. 61 indexed citations

20.

Ely, E. Wesley, Brenda Truman, Ayumi Shintani, et al.. (2003). Monitoring Sedation Status Over Time in ICU Patients. JAMA. 289(22). 2983–2983. 1152 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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