Richard R. Riker

22.2k total citations · 3 hit papers
145 papers, 8.4k citations indexed

About

Richard R. Riker is a scholar working on Critical Care and Intensive Care Medicine, Emergency Medicine and Anesthesiology and Pain Medicine. According to data from OpenAlex, Richard R. Riker has authored 145 papers receiving a total of 8.4k indexed citations (citations by other indexed papers that have themselves been cited), including 82 papers in Critical Care and Intensive Care Medicine, 50 papers in Emergency Medicine and 49 papers in Anesthesiology and Pain Medicine. Recurrent topics in Richard R. Riker's work include Intensive Care Unit Cognitive Disorders (75 papers), Anesthesia and Sedative Agents (47 papers) and Cardiac Arrest and Resuscitation (43 papers). Richard R. Riker is often cited by papers focused on Intensive Care Unit Cognitive Disorders (75 papers), Anesthesia and Sedative Agents (47 papers) and Cardiac Arrest and Resuscitation (43 papers). Richard R. Riker collaborates with scholars based in United States, Sweden and Canada. Richard R. Riker's co-authors include Gilles L. Fraser, David B. Seder, John W. Devlin, Yoanna Skrobik, LaVone E. Simmons, Douglas B. Coursin, David J. Gagnon, Yahya Shehabi, Philip D. Lumb and Ruth M. Kelleher and has published in prestigious journals such as JAMA, Circulation and Journal of the American College of Cardiology.

In The Last Decade

Richard R. Riker

140 papers receiving 8.1k 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.

Clinical practice guidelines for the sustained use of sedatives and analgesics in the critically ill adult

2002 1.3k citations Gilles L. Fraser, Richard R. Riker et al. Critical Care Medicine profile →
Dexmedetomidine vs Midazolam for Sedation of Critically Ill Patients<subtitle>A Randomized Trial</subtitle>

2009 1.1k citations Richard R. Riker profile →
Prospective evaluation of the Sedation-Agitation Scale for adult critically ill patients

1999 653 citations Richard R. Riker, Gilles L. Fraser et al. Critical Care Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Richard R. Riker United States	43	6.1k	4.8k	2.5k	1.4k	935	145	8.4k
Alessandro Morandi Italy	46	7.3k 1.2×	3.4k 0.7×	2.3k 0.9×	688 0.5×	755 0.8×	144	9.2k
Yoanna Skrobik Canada	41	5.6k 0.9×	3.7k 0.8×	2.2k 0.9×	1.0k 0.7×	2.0k 2.1×	107	8.2k
Eduard E. Vasilevskis United States	40	5.3k 0.9×	2.4k 0.5×	1.5k 0.6×	1.3k 1.0×	843 0.9×	123	8.6k
Jennifer L. Thompson United States	39	9.8k 1.6×	5.1k 1.1×	3.7k 1.5×	777 0.6×	1.5k 1.6×	71	11.4k
Angelo E. Canonico United States	15	5.2k 0.8×	2.4k 0.5×	1.7k 0.7×	476 0.3×	1.1k 1.2×	18	6.2k
Brenda Truman United States	9	6.5k 1.1×	4.3k 0.9×	2.8k 1.1×	389 0.3×	707 0.8×	9	7.0k
Brenda T. Pun United States	37	11.3k 1.9×	6.4k 1.3×	4.3k 1.7×	820 0.6×	1.6k 1.7×	68	12.7k
John W. Devlin United States	43	5.1k 0.8×	3.7k 0.8×	2.0k 0.8×	368 0.3×	761 0.8×	208	6.8k
James C. Jackson United States	54	11.2k 1.8×	5.2k 1.1×	3.9k 1.5×	1.0k 0.7×	2.0k 2.1×	174	14.1k
Anne S. Pohlman United States	37	7.0k 1.2×	3.0k 0.6×	1.3k 0.5×	1.4k 1.0×	3.7k 3.9×	68	9.5k

Countries citing papers authored by Richard R. Riker

Since Specialization

Citations

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

Fields of papers citing papers by Richard R. Riker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Richard R. Riker. 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 Richard R. Riker. The network helps show where Richard R. Riker may publish in the future.

Co-authorship network of co-authors of Richard R. Riker

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Webb, Andrew, David J. Gagnon, Caitlin S. Brown, et al.. (2025). Clinical Consequences of Disproportionate Free Valproate Elevation in Critically Ill Adult Patients: A Multicenter Retrospective Cohort Study. Neurocritical Care. 43(2). 472–483.

Brown, Caitlin S., et al.. (2022). Prospective Validation of Sedation Scale Scores That Identify Light Sedation: A Pilot Study. American Journal of Critical Care. 31(3). 202–208. 1 indexed citations

Ebner, Florian, Richard R. Riker, David B. Seder, et al.. (2020). The association of partial pressures of oxygen and carbon dioxide with neurological outcome after out-of-hospital cardiac arrest: an explorative International Cardiac Arrest Registry 2.0 study. Scandinavian Journal of Trauma Resuscitation and Emergency Medicine. 28(1). 67–67. 11 indexed citations

Lilly, Craig M., et al.. (2017). Five-Year Trends of Critical Care Practice and Outcomes. CHEST Journal. 152(4). 723–735. 74 indexed citations

Seder, David B., Kjetil Sunde, Sten Rubertsson, et al.. (2015). Neurologic Outcomes and Postresuscitation Care of Patients With Myoclonus Following Cardiac Arrest*. Critical Care Medicine. 43(5). 965–972. 82 indexed citations

Gagnon, David J., Niklas Nielsen, Gilles L. Fraser, et al.. (2015). Prophylactic antibiotics are associated with a lower incidence of pneumonia in cardiac arrest survivors treated with targeted temperature management. Resuscitation. 92. 154–159. 38 indexed citations

May, Teresa, et al.. (2014). Moderate-Dose Sedation and Analgesia During Targeted Temperature Management After Cardiac Arrest. Neurocritical Care. 22(1). 105–111. 21 indexed citations

Riker, Richard R., David C. Redding, Teresa May, et al.. (2011). Correlation of Bivalirudin Dose with Creatinine Clearance During Treatment of Heparin‐Induced Thrombocytopenia. Pharmacotherapy The Journal of Human Pharmacology and Drug Therapy. 31(9). 850–856. 12 indexed citations

Nielsen, Niklas, Kjetil Sunde, Jan Hovdenes, et al.. (2010). Adverse events and their relation to mortality in out-of-hospital cardiac arrest patients treated with therapeutic hypothermia*. Critical Care Medicine. 39(1). 57–64. 165 indexed citations

10.

Devlin, John W., et al.. (2010). Adverse drug events associated with the use of analgesics, sedatives, and antipsychotics in the intensive care unit. Critical Care Medicine. 38(6 Suppl). S231–S243. 79 indexed citations

11.

Shehabi, Yahya, Richard R. Riker, Paula M. Bokesch, et al.. (2010). Delirium duration and mortality in lightly sedated, mechanically ventilated intensive care patients*. Critical Care Medicine. 38(12). 2311–2318. 328 indexed citations

12.

Seder, David B., et al.. (2009). The bispectral index and suppression ratio are very early predictors of neurological outcome during therapeutic hypothermia after cardiac arrest. Intensive Care Medicine. 36(2). 281–288. 77 indexed citations

13.

Fraser, Gilles L. & Richard R. Riker. (2007). Comfort without coma: Changing sedation practices*. Critical Care Medicine. 35(2). 635–637. 19 indexed citations

14.

Fraser, Gilles L. & Richard R. Riker. (2005). Bispectral Index Monitoring in the Intensive Care Unit Provides More Signal Than Noise. Pharmacotherapy The Journal of Human Pharmacology and Drug Therapy. 25(5P2). 19S–27S. 41 indexed citations

15.

Riker, Richard R. & Gilles L. Fraser. (2005). Adverse Events Associated with Sedatives, Analgesics, and Other Drugs That Provide Patient Comfort in the Intensive Care Unit. Pharmacotherapy The Journal of Human Pharmacology and Drug Therapy. 25(5P2). 8S–18S. 100 indexed citations

16.

Riker, Richard R., et al.. (2003). Comparing the Bispectral Index and Suppression Ratio with Burst Suppression of the Electroencephalogram During Pentobarbital Infusions in Adult Intensive Care Patients. Pharmacotherapy The Journal of Human Pharmacology and Drug Therapy. 23(9). 1087–1093. 42 indexed citations

17.

Devlin, John W., Gilles L. Fraser, Salmaan Kanji, & Richard R. Riker. (2001). Sedation Assessment in Critically Ill Adults. Annals of Pharmacotherapy. 35(12). 1624–1632. 43 indexed citations

18.

Simmons, LaVone E., Richard R. Riker, B. Stephen Prato, & Gilles L. Fraser. (1999). Assessing sedation during intensive care unit mechanical ventilation with the Bispectral Index and the Sedation-Agitation Scale. Critical Care Medicine. 27(8). 1499–1504. 206 indexed citations

19.

Riker, Richard R., et al.. (1997). Metabolism of haloperidol to pyridinium species in patients receiving high doses intravenously: Is HPTP an intermediate?. Life Sciences. 61(24). 2383–2390. 20 indexed citations

20.

Riker, Richard R., Gilles L. Fraser, & Paul M. Cox. (1994). Continuous infusion of haloperidol controls agitation in critically ill patients. Critical Care Medicine. 22(3). 433–440. 179 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.

Explore authors with similar magnitude of impact