David Leasa

3.9k total citations · 2 hit papers
35 papers, 2.6k citations indexed

About

David Leasa is a scholar working on Pulmonary and Respiratory Medicine, Critical Care and Intensive Care Medicine and Radiological and Ultrasound Technology. According to data from OpenAlex, David Leasa has authored 35 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Pulmonary and Respiratory Medicine, 12 papers in Critical Care and Intensive Care Medicine and 8 papers in Radiological and Ultrasound Technology. Recurrent topics in David Leasa's work include Respiratory Support and Mechanisms (16 papers), Family and Patient Care in Intensive Care Units (8 papers) and Nosocomial Infections in ICU (6 papers). David Leasa is often cited by papers focused on Respiratory Support and Mechanisms (16 papers), Family and Patient Care in Intensive Care Units (8 papers) and Nosocomial Infections in ICU (6 papers). David Leasa collaborates with scholars based in Canada, United Kingdom and United States. David Leasa's co-authors include Hugh D. Fuller, Frank Rutledge, Richard Hall, Gordon Guyatt, Lauren E. Griffith, Andrew R. Willan, Timothy Winton, Jacques Lacroix, Gordon Wood and Thomas R.J. Todd and has published in prestigious journals such as New England Journal of Medicine, The Lancet and PLoS ONE.

In The Last Decade

David Leasa

33 papers receiving 2.5k 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.

Risk Factors for Gastrointestinal Bleeding in Critically Ill Patients

1994 636 citations Hugh D. Fuller, Gordon Guyatt et al. profile →
A Comparison of Sucralfate and Ranitidine for the Prevention of Upper Gastrointestinal Bleeding in Patients Requiring Mechanical Ventilation

1998 465 citations Gordon Guyatt, David Leasa et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
David Leasa Canada	17	1.5k	1.2k	581	427	375	35	2.6k
Hugh D. Fuller Canada	16	1.3k 0.9×	1.1k 0.9×	598 1.0×	476 1.1×	205 0.5×	27	2.5k
Frank Rutledge Canada	14	1.3k 0.9×	862 0.7×	608 1.0×	481 1.1×	189 0.5×	30	2.2k
Sandra Dial Canada	21	2.0k 1.4×	677 0.6×	1.5k 2.5×	827 1.9×	274 0.7×	35	4.2k
Gordon Wood Canada	15	1.2k 0.8×	612 0.5×	1.4k 2.5×	387 0.9×	145 0.4×	30	2.9k
H. Mathilda Horst United States	25	755 0.5×	610 0.5×	385 0.7×	1.2k 2.8×	163 0.4×	70	3.2k
Susan K. Pingleton United States	26	743 0.5×	1.3k 1.1×	417 0.7×	273 0.6×	108 0.3×	64	2.6k
Rodrigo Cavallazzi United States	29	929 0.6×	862 0.7×	1.4k 2.4×	1.7k 4.1×	84 0.2×	115	4.0k
Fernando Pálizas Argentina	18	1.1k 0.8×	1.2k 1.0×	1.1k 2.0×	1.1k 2.6×	103 0.3×	37	2.9k
Martine Leblanc Canada	34	704 0.5×	800 0.7×	1.2k 2.0×	963 2.3×	50 0.1×	106	4.3k
Jeffrey F. Barletta United States	28	562 0.4×	309 0.3×	276 0.5×	714 1.7×	78 0.2×	99	2.3k

Countries citing papers authored by David Leasa

Since Specialization

Citations

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

Fields of papers citing papers by David Leasa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of David Leasa

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

Rose, Louise, Reshma Amin, Ruth Croxford, et al.. (2021). Health Care Use, Costs, and Survival Trajectory of Home Mechanical Insufflation-Exsufflation. Respiratory Care. 67(2). 191–200. 4 indexed citations

Leasa, David, et al.. (2021). Knowledge translation tools to guide care of non-intubated patients with acute respiratory illness during the COVID-19 Pandemic. Critical Care. 25(1). 22–22. 12 indexed citations

Rose, Louise, Douglas McKim, David Leasa, et al.. (2019). Trends in incidence, prevalence, and mortality of neuromuscular disease in Ontario, Canada: A population-based retrospective cohort study (2003-2014). PLoS ONE. 14(3). e0210574–e0210574. 44 indexed citations

Wasilewski, Marina B., Mika Nonoyama, Craig Dale, et al.. (2018). Development of a Web-Based Peer Support Program for Family Caregivers of Ventilator-Assisted Individuals Living in the Community: Protocol for a Pilot Randomized Controlled Trial. JMIR Research Protocols. 8(2). e11827–e11827. 6 indexed citations

Povitz, Marcus, et al.. (2018). Patterns of Non-Invasive Ventilation in Amyotrophic Lateral Sclerosis. Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques. 45(4). 445–450. 5 indexed citations

Povitz, Marcus, Louise Rose, Salimah Z. Shariff, et al.. (2017). Home Mechanical Ventilation: A 12-Year Population-Based Retrospective Cohort Study. Respiratory Care. 63(4). 380–387. 41 indexed citations

Rose, Louise, Neill K. J. Adhikari, David Leasa, Dean Fergusson, & Douglas McKim. (2017). Cough augmentation techniques for extubation or weaning critically ill patients from mechanical ventilation. Cochrane Database of Systematic Reviews. 2019(1). CD011833–CD011833. 41 indexed citations

Rose, Louise, et al.. (2016). Cough Augmentation Techniques in the Critically Ill: A Canadian National Survey. Respiratory Care. 61(10). 1360–1368. 23 indexed citations

Rose, Louise, Douglas McKim, Sherri L. Katz, et al.. (2015). Home Mechanical Ventilation in Canada: A National Survey. Respiratory Care. 60(5). 695–704. 95 indexed citations

10.

Rose, Louise, Robert Fowler, Roger Goldstein, et al.. (2014). Patient Transitions Relevant to Individuals Requiring Ongoing Ventilatory Assistance: A Delphi Study. Canadian Respiratory Journal. 21(5). 287–292. 13 indexed citations

11.

Rose, Louise, Robert Fowler, Eddy Fan, et al.. (2014). Prolonged mechanical ventilation in Canadian intensive care units: A national survey. Journal of Critical Care. 30(1). 25–31. 52 indexed citations

12.

Rose, Louise, et al.. (2013). Definitional Criteria for Patient Transitions Relevant to Prolonged and Long-term Mechanical Ventilation: A Delphi Study. CHEST Journal. 144(4). 893A–893A. 1 indexed citations

13.

McCracken, John & David Leasa. (2010). Trach tubes designed to maximize safety may increase risk to ventilated patients. Critical Care. 14(6). 1008–1008. 2 indexed citations

14.

Leasa, David & Ian Ball. (2008). Procedures, Techniques, and Minimally Invasive Monitoring in Intensive Care Medicine, 4th edition.. Respiratory Care. 53(4). 507–508. 1 indexed citations

15.

Guyatt, Gordon, Graeme Rocker, Peter Sjökvist, et al.. (2001). Cardiopulmonary resuscitation directives on admission to intensive-care unit: an international observational study. The Lancet. 358(9297). 1941–1945. 96 indexed citations

16.

Guyatt, Gordon, John K. Marshall, David Leasa, et al.. (1999). A Comparison of Sucralfate and Ranitidine for the Prevention of Upper Gastrointestinal Bleeding in Patients Requiring Mechanical Ventilation. Survey of Anesthesiology. 43(1). 10–10. 276 indexed citations

17.

Lefcoe, M S, et al.. (1994). Accuracy of Portable Chest Radiography in the Critical Care Setting. CHEST Journal. 105(3). 885–887. 65 indexed citations

18.

McAlister, Vivian C., David Grant, William F. Brown, et al.. (1993). RIGHT PHRENIC NERVE INJURY IN ORTHOTOPIC LIVER TRANSPLANTATION. Transplantation. 55(4). 826–829. 47 indexed citations

19.

Reid, Ken R., David Leasa, & William J. Sibbald. (1991). Postoperative Monitoring of the Thoracic Surgical Patient. Chest Surgery Clinics of North America. 1(2). 317–336.

20.

Albert, Richard, David Leasa, Maureen Sanderson, H. Thomas Robertson, & Michael P. Hlastala. (1987). The prone position improves arterial oxygenation and reduces shunt in oleic-acid-induced acute lung injury.. PubMed. 135(3). 628–33. 124 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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