Robert J. Fragen

4.4k total citations · 2 hit papers
103 papers, 3.4k citations indexed

About

Robert J. Fragen is a scholar working on Anesthesiology and Pain Medicine, Surgery and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Robert J. Fragen has authored 103 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 69 papers in Anesthesiology and Pain Medicine, 39 papers in Surgery and 18 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Robert J. Fragen's work include Anesthesia and Sedative Agents (65 papers), Anesthesia and Pain Management (31 papers) and Cardiac, Anesthesia and Surgical Outcomes (17 papers). Robert J. Fragen is often cited by papers focused on Anesthesia and Sedative Agents (65 papers), Anesthesia and Pain Management (31 papers) and Cardiac, Anesthesia and Surgical Outcomes (17 papers). Robert J. Fragen collaborates with scholars based in United States, Philippines and Netherlands. Robert J. Fragen's co-authors include H. Ronald Vinik, David J. Greenblatt, J. G. Reves, J. G. Rêves, Nancy J. Caldwell, C. A. Shanks, Michael J. Avram, Paul C. Fitzgerald, Dorene A. OʼHara and Agostino Molteni and has published in prestigious journals such as Journal of Bone and Joint Surgery, Annals of Surgery and Anesthesiology.

In The Last Decade

Robert J. Fragen

98 papers receiving 3.2k 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.

Midazolam: pharmacology and uses.

1985 703 citations Robert J. Fragen et al. PubMed profile →
Midazolam

1985 573 citations Robert J. Fragen et al. Anesthesiology profile →

Peers

Robert J. Fragen

APM

SURGE

CCICM

DN

CCM

John J. Savarese United States

Carl C. Hug United States

P. Duvaldestin France

H. Ronald Vinik United States

Anton G. L. Burm Netherlands

Dennis M. Fisher United States

R. K. Mirakhur United Kingdom

J. Viby‐Mogensen Denmark

R.S.J. CLARKE United Kingdom

Theodore H. Stanley United States

John J. Savarese United States

Robert J. Fragen

2.4k ×1.1

APM

1.3k ×1.1

SURGE

402 ×0.6

CCICM

527 ×0.9

DN

481 ×0.8

CCM

Citations per year, relative to Robert J. Fragen Robert J. Fragen (= 1×) peers John J. Savarese

Countries citing papers authored by Robert J. Fragen

Since Specialization

Citations

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

Fields of papers citing papers by Robert J. Fragen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert J. Fragen. 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 Robert J. Fragen. The network helps show where Robert J. Fragen may publish in the future.

Co-authorship network of co-authors of Robert J. Fragen

This figure shows the co-authorship network connecting the top 25 collaborators of Robert J. Fragen. A scholar is included among the top collaborators of Robert J. Fragen 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 Robert J. Fragen. Robert J. Fragen 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

1.

Wong, Cynthia A., Robert J. Fragen, Paul C. Fitzgerald, & Robert J. McCarthy. (2006). A comparison of the SNAP II™ and BIS XP™ indices during sevoflurane and nitrous oxide anaesthesia at 1 and 1.5 MAC and at awakening. British Journal of Anaesthesia. 97(2). 181–186. 13 indexed citations

2.

Fragen, Robert J. & Paul C. Fitzgerald. (2000). Is an Infusion Pump Necessary to Safely Administer Remifentanil?. Anesthesia & Analgesia. 90(3). 713–716. 7 indexed citations

3.

Groudine, Scott B., et al.. (1999). Comparison of renal function following anesthesia with low-flow sevoflurane and isoflurane. Journal of Clinical Anesthesia. 11(3). 201–207. 18 indexed citations

4.

Fragen, Robert J., et al.. (1999). The Effect of Remifentanil on Biliary Tract Drainage into the Duodenum. Anesthesia & Analgesia. 89(6). 1561–1561. 8 indexed citations

5.

Fisher, Dennis M., Raymond Kahwaji, David R. Bevan, et al.. (1999). Factors Affecting the Pharmacokinetic Characteristics of Rapacuronium . Anesthesiology. 90(4). 993–1000. 9 indexed citations

6.

Fragen, Robert J. & Paul C. Fitzgerald. (1999). Effect of dexmedetomidine on the minimum alveolar concentration (MAC) of sevoflurane in adults age 55 to 70 years. Journal of Clinical Anesthesia. 11(6). 466–470. 98 indexed citations

7.

White, Paul F., Girish P. Joshi, Randall L. Carpenter, & Robert J. Fragen. (1997). A Comparison of Oral Ketorolac and Hydrocodone-Acetaminophen for Analgesia After Ambulatory Surgery. Anesthesia & Analgesia. 85(1). 37–43. 20 indexed citations

8.

Kahwaji, Raymond, David R. Bevan, George B. Bikhazi, et al.. (1997). Dose-Ranging Study in Younger Adult and Elderly Patients of ORG 9487, a New, Rapid-Onset, Short-Duration Muscle Relaxant. Anesthesia & Analgesia. 84(5). 1011–1018. 56 indexed citations

9.

Kahwaji, Raymond, David R. Bevan, George B. Bikhazi, et al.. (1997). Dose-Ranging Study in Younger Adult and Elderly Patients of ORG 9487, a New, Rapid-Onset, Short-Duration Muscle Relaxant. Anesthesia & Analgesia. 84(5). 1011–1018. 35 indexed citations

10.

Fragen, Robert J., et al.. (1996). The minimum alveolar concentration (MAC) of sevoflurane with and without nitrous oxide in elderly versus young adults. Journal of Clinical Anesthesia. 8(5). 352–356. 38 indexed citations

11.

Dershwitz, Mark, Gail I. Randel, Carl E. Rosow, et al.. (1995). Initial Clinical Experience with Remifentanil, a New Opioid Metabolized by Esterases. Anesthesia & Analgesia. 81(3). 619–623. 36 indexed citations

12.

Avram, Michael J., et al.. (1993). Determinants of Thiopental Induction Dose Requirements. Anesthesia & Analgesia. 76(1). 10???17–10???17. 52 indexed citations

13.

Fragen, Robert J.. (1991). Drug infusions in anesthesiology. Raven Press eBooks. 8 indexed citations

14.

Parker, Robert K., et al.. (1991). Pentamorphone for management of postoperative pain.. PubMed. 72(5). 656–60. 2 indexed citations

15.

Fragen, Robert J.. (1988). Abdominal Intraoperative Ultrasonography. Annals of Surgery. 208(2). 243. 17 indexed citations

16.

Avram, Michael J., Robert J. Fragen, & Nancy J. Caldwell. (1987). Dose‐Finding and Pharmacokinetic Study of Intramuscular Midazolam. The Journal of Clinical Pharmacology. 27(4). 314–317. 14 indexed citations

17.

Fragen, Robert J., et al.. (1983). INTERACTIONS OF DIISOPROPYL PHENOL (ICI 35 868) WITH SUXAMETHONIUM, VECURONIUM AND PANCURONIUM IN VITRO. British Journal of Anaesthesia. 55(5). 433–436. 10 indexed citations

18.

Fragen, Robert J., et al.. (1983). Intramuscularly Administered Ciramadol for Management of Postoperative Pain: A Comparative Study. The Journal of Clinical Pharmacology. 23(5-6). 219–226. 3 indexed citations

19.

Fragen, Robert J. & Nancy J. Caldwell. (1982). Comparison of Three Doses of Oral Ciramadol and Placebo for the Treatment of Moderate to Severe Postoperative Pain. The Journal of Clinical Pharmacology. 22(10). 459–465. 9 indexed citations

20.

Fragen, Robert J., et al.. (1981). Midazolam versus hydroxyzine as intramuscular premedicants. Anesthesiology. 55. 7 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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