Jan O. Friedrich

15.3k total citations · 1 hit paper
177 papers, 8.5k citations indexed

About

Jan O. Friedrich is a scholar working on Pulmonary and Respiratory Medicine, Epidemiology and Critical Care and Intensive Care Medicine. According to data from OpenAlex, Jan O. Friedrich has authored 177 papers receiving a total of 8.5k indexed citations (citations by other indexed papers that have themselves been cited), including 50 papers in Pulmonary and Respiratory Medicine, 45 papers in Epidemiology and 37 papers in Critical Care and Intensive Care Medicine. Recurrent topics in Jan O. Friedrich's work include Respiratory Support and Mechanisms (35 papers), Sepsis Diagnosis and Treatment (24 papers) and Intensive Care Unit Cognitive Disorders (23 papers). Jan O. Friedrich is often cited by papers focused on Respiratory Support and Mechanisms (35 papers), Sepsis Diagnosis and Treatment (24 papers) and Intensive Care Unit Cognitive Disorders (23 papers). Jan O. Friedrich collaborates with scholars based in Canada, United States and United Kingdom. Jan O. Friedrich's co-authors include Neill K. J. Adhikari, Joseph Beyene, Karen E. A. Burns, C. A. Chant, Joanne S. Ingwall, Damon C. Scales, Maneesh Sud, Bobby Yanagawa, Niall D. Ferguson and Ron Wald and has published in prestigious journals such as Journal of the American Chemical Society, JAMA and Circulation.

In The Last Decade

Jan O. Friedrich

173 papers receiving 8.3k citations

Hit Papers

Has Mortality from Acute Respiratory Distress Syndrome De... 2008 2026 2014 2020 2008 100 200 300 400 500
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.

  1. Has Mortality from Acute Respiratory Distress Syndrome Decreased over Time?: A Systematic Review
    2008 555 citations Jason Phua, Joan R. Badia et al. American Journal of Respiratory and Critical Care Medicine profile →

Peers

Jan O. Friedrich
Sean P. Collins United States
Ivor S. Douglas United States
Colin R. Cooke United States
Gernot Marx Germany
Joseph Varón United States
Jeffrey A. Kline United States
Kiyohide Fushimi Japan
Anders Perner Denmark
Mark A. Perazella United States
Mark D. Williams United States
Sean P. Collins United States
Jan O. Friedrich
Citations per year, relative to Jan O. Friedrich Jan O. Friedrich (= 1×) peers Sean P. Collins

Countries citing papers authored by Jan O. Friedrich

Since Specialization
Citations

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

Fields of papers citing papers by Jan O. Friedrich

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jan O. Friedrich. 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 Jan O. Friedrich. The network helps show where Jan O. Friedrich may publish in the future.

Co-authorship network of co-authors of Jan O. Friedrich

This figure shows the co-authorship network connecting the top 25 collaborators of Jan O. Friedrich. A scholar is included among the top collaborators of Jan O. Friedrich 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 Jan O. Friedrich. Jan O. Friedrich is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Burns, Karen E. A., et al.. (2024). Spontaneous Breathing Trial Techniques for Extubating Adults and Children Who Are Critically Ill. JAMA Network Open. 7(2). e2356794–e2356794. 6 indexed citations
2.
Verma, Amol A., Thérèse A. Stukel, Michael Colacci, et al.. (2024). Clinical evaluation of a machine learning–based early warning system for patient deterioration. Canadian Medical Association Journal. 196(30). E1027–E1037. 6 indexed citations
3.
Vervoort, Dominique, et al.. (2024). Early and mid-term outcomes of aortic annular enlargement: a systematic review and meta-analysis. Annals of Cardiothoracic Surgery. 13(3). 187–205. 4 indexed citations
4.
Sud, Sachin, Jan O. Friedrich, Neill K. J. Adhikari, et al.. (2021). Comparative Effectiveness of Protective Ventilation Strategies for Moderate and Severe Acute Respiratory Distress Syndrome. A Network Meta-Analysis. American Journal of Respiratory and Critical Care Medicine. 203(11). 1366–1377. 38 indexed citations
5.
Hemilä, Harri & Jan O. Friedrich. (2019). Many continuous variables should be analyzed using the relative scale: a case study of β2-agonists for preventing exercise-induced bronchoconstriction. Systematic Reviews. 8(1). 282–282. 4 indexed citations
6.
Pai, Menaka, Neill K. J. Adhikari, Marlies Ostermann, et al.. (2018). Low-molecular-weight heparin venous thromboprophylaxis in critically ill patients with renal dysfunction: A subgroup analysis of the PROTECT trial. PLoS ONE. 13(6). e0198285–e0198285. 12 indexed citations
7.
Wilcox, M. Elizabeth, Andrew Lim, Mary Pat McAndrews, et al.. (2017). A study protocol for an observational cohort investigating COGnitive outcomes and WELLness in survivors of critical illness: the COGWELL study. BMJ Open. 7(7). e015600–e015600. 10 indexed citations
8.
Sklar, Michael C., Karen E. A. Burns, Nuttapol Rittayamai, et al.. (2016). Effort to Breathe with Various Spontaneous Breathing Trial Techniques. A Physiologic Meta-analysis. American Journal of Respiratory and Critical Care Medicine. 195(11). 1477–1485. 87 indexed citations
9.
Verma, Subodh, Shaun G. Goodman, Shamir R. Mehta, et al.. (2015). Should dual antiplatelet therapy be used in patients following coronary artery bypass surgery? A meta-analysis of randomized controlled trials. BMC Surgery. 15(1). 112–112. 53 indexed citations
10.
Sud, Sachin, Jan O. Friedrich, Neill K. J. Adhikari, et al.. (2014). Effect of prone positioning during mechanical ventilation on mortality among patients with acute respiratory distress syndrome: a systematic review and meta-analysis. Canadian Medical Association Journal. 186(10). E381–E390. 183 indexed citations
11.
Wald, Ron, Salimah Z. Shariff, Neill K. J. Adhikari, et al.. (2013). The Association Between Renal Replacement Therapy Modality and Long-Term Outcomes Among Critically Ill Adults With Acute Kidney Injury. Critical Care Medicine. 42(4). 868–877. 134 indexed citations
12.
13.
Friedrich, Jan O., et al.. (2012). Hemofiltration compared to hemodialysis for acute kidney injury: systematic review and meta-analysis. Critical Care. 16(4). R146–R146. 76 indexed citations
14.
Adhikari, Neill K. J., François Lamontagne, Sangeeta Mehta, et al.. (2011). High-frequency oscillation in adults: A utilization review*. Critical Care Medicine. 39(12). 2631–2644. 17 indexed citations
15.
Friedrich, Jan O., Neill K. J. Adhikari, & Joseph Beyene. (2011). Ratio of means for analyzing continuous outcomes in meta-analysis performed as well as mean difference methods. Journal of Clinical Epidemiology. 64(5). 556–564. 180 indexed citations
16.
Friedrich, Jan O., et al.. (2010). High-dose renal replacement therapy for acute kidney injury: Systematic review and meta-analysis. Critical Care Medicine. 38(5). 1360–1369. 69 indexed citations
17.
Friedrich, Jan O., C. A. Chant, & Neill K. J. Adhikari. (2010). Does intensive insulin therapy really reduce mortality in critically ill surgical patients? A reanalysis of meta-analytic data. Critical Care. 14(5). 324–324. 32 indexed citations
18.
Sud, S. C., Maneesh Sud, Jan O. Friedrich, et al.. (2010). High frequency oscillation in patients with acute lung injury and acute respiratory distress syndrome (ARDS): systematic review and meta-analysis. BMJ. 340(may18 2). c2327–c2327. 151 indexed citations
19.
Ilan, Roy, Robert Fowler, Niall D. Ferguson, et al.. (2008). Prolonged time to alarm in infusion devices operated at low flow rates. Critical Care Medicine. 36(10). 2763–2765. 5 indexed citations
20.
Phua, Jason, Joan R. Badia, Neill K. J. Adhikari, et al.. (2008). Has Mortality from Acute Respiratory Distress Syndrome Decreased over Time?: A Systematic Review. American Journal of Respiratory and Critical Care Medicine. 179(3). 220–227. 555 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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