David N. Hager

10.9k total citations · 2 hit papers
70 papers, 2.3k citations indexed

About

David N. Hager is a scholar working on Pulmonary and Respiratory Medicine, Emergency Medicine and Critical Care and Intensive Care Medicine. According to data from OpenAlex, David N. Hager has authored 70 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Pulmonary and Respiratory Medicine, 20 papers in Emergency Medicine and 19 papers in Critical Care and Intensive Care Medicine. Recurrent topics in David N. Hager's work include Respiratory Support and Mechanisms (23 papers), Intensive Care Unit Cognitive Disorders (17 papers) and Sepsis Diagnosis and Treatment (13 papers). David N. Hager is often cited by papers focused on Respiratory Support and Mechanisms (23 papers), Intensive Care Unit Cognitive Disorders (17 papers) and Sepsis Diagnosis and Treatment (13 papers). David N. Hager collaborates with scholars based in United States, Australia and India. David N. Hager's co-authors include Roy G. Brower, Suchi Saria, Katharine E. Henry, Peter J. Pronovost, Ivor S. Douglas, Jerry A. Krishnan, Denise Barbut, H Fessler, Rosario Rich Trifiletti and Brett A. Simon and has published in prestigious journals such as Nature Medicine, American Journal of Respiratory and Critical Care Medicine and Stroke.

In The Last Decade

David N. Hager

65 papers receiving 2.3k citations

Hit 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.

A targeted real-time early warning score (TREWScore) for septic shock

2015 350 citations Katharine E. Henry, David N. Hager et al. profile →
Prospective, multi-site study of patient outcomes after implementation of the TREWS machine learning-based early warning system for sepsis

2022 156 citations Roy J. Adams, Katharine E. Henry et al. Nature Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
David N. Hager United States	23	996	599	573	460	423	70	2.3k
Philippe Jouvet Canada	36	1.7k 1.7×	720 1.2×	631 1.1×	636 1.4×	587 1.4×	207	4.1k
Tezcan Ozrazgat‐Baslanti United States	28	398 0.4×	686 1.1×	263 0.5×	655 1.4×	664 1.6×	103	2.8k
Matthew A. Levin United States	29	652 0.7×	301 0.5×	238 0.4×	673 1.5×	193 0.5×	98	3.0k
Robinder G. Khemani United States	33	2.4k 2.4×	1.2k 2.0×	944 1.6×	732 1.6×	559 1.3×	149	3.7k
Gregory L. Snow United States	31	556 0.6×	357 0.6×	341 0.6×	630 1.4×	365 0.9×	106	3.3k
You Hwan Jo South Korea	28	515 0.5×	1.2k 2.0×	872 1.5×	550 1.2×	462 1.1×	178	2.9k
Shannon M. Fernando Canada	31	447 0.4×	771 1.3×	882 1.5×	560 1.2×	592 1.4×	132	2.9k
Abhijit Duggal United States	25	637 0.6×	702 1.2×	459 0.8×	427 0.9×	530 1.3×	162	2.1k
Fernando G. Zampieri Brazil	28	526 0.5×	1.1k 1.8×	395 0.7×	629 1.4×	682 1.6×	132	2.6k
Christian H. Nickel Switzerland	36	397 0.4×	655 1.1×	1.2k 2.1×	576 1.3×	285 0.7×	189	3.5k

Countries citing papers authored by David N. Hager

Since Specialization

Citations

This map shows the geographic impact of David N. Hager'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 David N. Hager with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites David N. Hager more than expected).

Fields of papers citing papers by David N. Hager

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by David N. Hager. 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 David N. Hager. The network helps show where David N. Hager may publish in the future.

Co-authorship network of co-authors of David N. Hager

This figure shows the co-authorship network connecting the top 25 collaborators of David N. Hager. A scholar is included among the top collaborators of David N. Hager 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 David N. Hager. David N. Hager 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

Leary, Peter J., Jennifer Yui, Hamza Aziz, et al.. (2025). Effects of Implementing a Standardized Risk Stratification and Triage Workflow for an Established Pulmonary Embolism Response Team. Annals of the American Thoracic Society. 22(10). 1484–1492.

Hochberg, Chad H., et al.. (2025). Heterogeneity of Intermediate Care Organization Within a Single Healthcare System. Critical Care Explorations. 7(1). e1201–e1201.

Hochberg, Chad H., Khyzer B. Aziz, Margaret Krasne, et al.. (2024). The Real-World Effect of Early Screening for Palliative Care Criteria in a Medical Intensive Care Unit: An Instrumental Variable Analysis. Annals of the American Thoracic Society. 22(2). 247–254. 1 indexed citations

Johnson, Benjamin C., Laura Walsh, Diana Fang, et al.. (2024). A very complicated UTI: malakoplakia following E. coli urinary tract infection. BMC Nephrology. 25(1). 200–200.

Peeler, Anna, Katie E. Nelson, David Li, et al.. (2024). Living with multimorbidity: A qualitative exploration of shared experiences of patients, family caregivers, and healthcare professionals in managing symptoms in the United States. Journal of Advanced Nursing. 80(6). 2525–2539. 8 indexed citations

Koirala, Binu, Steven A. Frost, Caleb Ferguson, et al.. (2023). Study protocol for Care cOORDInatioN And sympTom managEment (COORDINATE) programme: a feasibility study. BMJ Open. 13(12). e072846–e072846. 1 indexed citations

Hochberg, Chad H., et al.. (2022). Factors Influencing the Implementation of Prone Positioning during the COVID-19 Pandemic: A Qualitative Study. Annals of the American Thoracic Society. 20(1). 83–93. 17 indexed citations

Henry, Katharine E., Roy J. Adams, Hossein Soleimani, et al.. (2022). Factors driving provider adoption of the TREWS machine learning-based early warning system and its effects on sepsis treatment timing. Nature Medicine. 28(7). 1447–1454. 62 indexed citations

Leucker, Thorsten M., William O. Osburn, Paula Reventún, et al.. (2021). Effect of Crizanlizumab, a P-Selectin Inhibitor, in COVID-19. JACC Basic to Translational Science. 6(12). 935–945. 20 indexed citations

10.

Stephens, R. Scott, et al.. (2020). Novel viruses, old data, and basic principles: how to save lives and avoid harm amid the unknown. The Lancet Respiratory Medicine. 8(7). 661–663. 10 indexed citations

11.

Hager, David N., et al.. (2018). Hospital mortality prediction for intermediate care patients: Assessing the generalizability of the Intermediate Care Unit Severity Score (IMCUSS). Journal of Critical Care. 46. 94–98. 15 indexed citations

12.

Dugas, Andrea, Thomas D. Kirsch, Matthew Toerper, et al.. (2016). An Electronic Emergency Triage System to Improve Patient Distribution by Critical Outcomes. Journal of Emergency Medicine. 50(6). 910–918. 96 indexed citations

13.

Hager, David N.. (2015). Recent Advances in the Management of the Acute Respiratory Distress Syndrome. Clinics in Chest Medicine. 36(3). 481–496. 13 indexed citations

14.

Fessler, H, Stephen Derdak, Niall D. Ferguson, et al.. (2007). A protocol for high-frequency oscillatory ventilation in adults: Results from a roundtable discussion*. Critical Care Medicine. 35(7). 1649–1654. 75 indexed citations

15.

Hager, David N., et al.. (2006). Four methods of measuring tidal volume during high-frequency oscillatory ventilation. Critical Care Medicine. 34(3). 751–757. 28 indexed citations

16.

Hager, David N., Jerry A. Krishnan, Ivor S. Douglas, & Roy G. Brower. (2005). Tidal Volume Reduction in Patients with Acute Lung Injury When Plateau Pressures Are Not High. American Journal of Respiratory and Critical Care Medicine. 172(10). 1241–1245. 316 indexed citations

17.

Barbut, Denise, et al.. (1997). Impact of Embolization During Coronary Artery Bypass Grafting on Outcome and Length of Stay. The Annals of Thoracic Surgery. 63(4). 998–1002. 90 indexed citations

18.

Mück-Weymann, M, et al.. (1996). Respiratory-Dependent Laser–Doppler Flux Motion in Different Skin Areas and Its Meaning to Autonomic Nervous Control of the Vessels of the Skin. Microvascular Research. 52(1). 69–78. 66 indexed citations

19.

Yao, Fun Sun F., Denise Barbut, David N. Hager, Rosario Rich Trifiletti, & Jeffrey P. Gold. (1996). Detection of aortic emboli by transesophageal echocardiography during coronary artery bypass surgery. Journal of Cardiothoracic and Vascular Anesthesia. 10(3). 314–317. 7 indexed citations

20.

Hager, David N., et al.. (1986). Radiation‐Induced Stenosis of the Left Main Coronary Artery. Catheterization and Cardiovascular Diagnosis. 12(3). 169–171. 25 indexed citations

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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