James E. Bredfeldt

2.7k total citations · 1 hit paper
24 papers, 1.3k citations indexed

About

James E. Bredfeldt is a scholar working on Hepatology, Surgery and Epidemiology. According to data from OpenAlex, James E. Bredfeldt has authored 24 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Hepatology, 12 papers in Surgery and 8 papers in Epidemiology. Recurrent topics in James E. Bredfeldt's work include Liver Disease and Transplantation (10 papers), Liver Disease Diagnosis and Treatment (7 papers) and Liver Diseases and Immunity (3 papers). James E. Bredfeldt is often cited by papers focused on Liver Disease and Transplantation (10 papers), Liver Disease Diagnosis and Treatment (7 papers) and Liver Diseases and Immunity (3 papers). James E. Bredfeldt collaborates with scholars based in United States and Spain. James E. Bredfeldt's co-authors include Julio Vorobioff, R. J. Groszmann, Roberto J. Groszmann, Richard A. Kozarek, David J. Patterson, Harold O. Conn, Edward H. Storer, Jaime Bosch, Jordi Bruix and John J. Brandabur and has published in prestigious journals such as Gastroenterology, Hepatology and Cellular and Molecular Life Sciences.

In The Last Decade

James E. Bredfeldt

24 papers receiving 1.2k 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.

Hyperdynamic circulation in portal-hypertensive rat model: a primary factor for maintenance of chronic portal hypertension

1983 371 citations Julio Vorobioff, James E. Bredfeldt et al. American Journal of Physiology-Gastrointestinal and Liver Physiology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
James E. Bredfeldt United States	13	991	720	660	200	131	24	1.3k
FA‐YAUH LEE Taiwan	16	488 0.5×	375 0.5×	377 0.6×	110 0.6×	75 0.6×	35	809
Fred L. Lieberman United States	14	646 0.7×	477 0.7×	342 0.5×	334 1.7×	46 0.4×	16	1.1k
Chi‐Jen Chu Taiwan	18	773 0.8×	764 1.1×	178 0.3×	68 0.3×	73 0.6×	58	1.0k
Y. T. Tsai Taiwan	15	400 0.4×	387 0.5×	245 0.4×	71 0.4×	35 0.3×	33	792
Giovanni Gasbarrini Italy	14	303 0.3×	539 0.7×	284 0.4×	38 0.2×	40 0.3×	17	821
Figen Özçay Türkiye	17	205 0.2×	201 0.3×	386 0.6×	147 0.7×	38 0.3×	109	1.0k
Raimondo Cerini Italy	15	503 0.5×	454 0.6×	194 0.3×	49 0.2×	30 0.2×	31	703
Luigi Roffi Italy	23	1.4k 1.5×	1.3k 1.8×	277 0.4×	62 0.3×	65 0.5×	43	1.9k
Thomas Sersté Belgium	16	883 0.9×	823 1.1×	424 0.6×	101 0.5×	30 0.2×	37	1.1k
Duane G. Hutson United States	20	364 0.4×	252 0.3×	538 0.8×	316 1.6×	39 0.3×	47	922

Countries citing papers authored by James E. Bredfeldt

Since Specialization

Citations

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

Fields of papers citing papers by James E. Bredfeldt

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James E. Bredfeldt. 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 James E. Bredfeldt. The network helps show where James E. Bredfeldt may publish in the future.

Co-authorship network of co-authors of James E. Bredfeldt

This figure shows the co-authorship network connecting the top 25 collaborators of James E. Bredfeldt. A scholar is included among the top collaborators of James E. Bredfeldt 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 James E. Bredfeldt. James E. Bredfeldt 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

Glück, Michael, Nico Cantone, John J. Brandabur, et al.. (2008). A Twenty-year Experience With Endoscopic Therapy for Symptomatic Primary Sclerosing Cholangitis. Journal of Clinical Gastroenterology. 42(9). 1032–1039. 81 indexed citations

Lin, Otto S., Drew Schembre, Klaus Mergener, et al.. (2007). Blinded comparison of esophageal capsule endoscopy versus conventional endoscopy for a diagnosis of Barrett's esophagus in patients with chronic gastroesophageal reflux. Gastrointestinal Endoscopy. 65(4). 577–583. 59 indexed citations

Kozarek, Richard A., Shirley L. Raltz, Drew Schembre, et al.. (2001). Reusable biopsy forceps: A prospective evaluation of cleaning, function, adequacy of tissue specimen, and durability. Gastrointestinal Endoscopy. 53(7). 747–750. 10 indexed citations

Kozarek, Richard A., Shirley L. Raltz, John J. Brandabur, et al.. (1997). Virtual Vision for diagnostic and therapeutic esophagogastroduodenoscopy and colonoscopy. Gastrointestinal Endoscopy. 46(1). 58–60. 4 indexed citations

Kozarek, Richard A., David J. Patterson, Terrance J. Ball, et al.. (1995). Esophageal Dilation Can Be Done Safely Using Selective Fluoroscopy and Single Dilating Sessions. Journal of Clinical Gastroenterology. 20(3). 184–188. 29 indexed citations

Kozarek, Richard A., et al.. (1995). Cyclosporin use in the precolectomy chronic ulcerative colitis patient: a community experience and its relationship to prospective and controlled clinical trials. Pacific Northwest Gastroenterology Society.. PubMed. 90(12). 2093–6. 20 indexed citations

Raltz, Shirley L., et al.. (1995). Prospective study using virtual vision for diagnostic and therapeutic endoscopy and colonoscopy. Gastrointestinal Endoscopy. 41(4). 307–307. 1 indexed citations

Kozarek, Richard A., V. Alin Botoman, James E. Bredfeldt, et al.. (1991). Portal colopathy: Prospective study of colonoscopy in patients with portal hypertension. Gastroenterology. 101(5). 1192–1197. 106 indexed citations

Wolfsen, Herbert C., et al.. (1990). The role of endoscopic injection sclerotherapy in the management of bleeding peristomal varices. Gastrointestinal Endoscopy. 36(5). 472–474. 26 indexed citations

10.

Cohen, Mitchell L., et al.. (1989). Sinusoidal Lymphocytosis of the Liver in Feltyʼs Syndrome with a Review of the Liver Involvement in Feltyʼs Syndrome. Journal of Clinical Gastroenterology. 11(1). 92–94. 9 indexed citations

11.

Bredfeldt, James E., et al.. (1989). Autoimmune Chronic Active Hepatitis Masquerading as Acute Hepatitis. Journal of Clinical Gastroenterology. 11(3). 303–307. 32 indexed citations

12.

Bredfeldt, James E.. (1985). Hepatitis B virus. Postgraduate Medicine. 78(6). 71–83. 3 indexed citations

13.

Bredfeldt, James E., et al.. (1983). Hepatic oxygen consumption, in vivo, in the rat. Cellular and Molecular Life Sciences. 39(7). 729–730. 4 indexed citations

14.

Vorobioff, Julio, James E. Bredfeldt, & R. J. Groszmann. (1983). Hyperdynamic circulation in portal-hypertensive rat model: a primary factor for maintenance of chronic portal hypertension. American Journal of Physiology-Gastrointestinal and Liver Physiology. 244(1). G52–G57. 371 indexed citations breakdown →

15.

Bredfeldt, James E., Rosa E. Enriquez, & Roberto J. Groszmann. (1982). Idiopathic Portal Hypertension in a Renal Transplant Recipient. Journal of Clinical Gastroenterology. 4(2). 157–162. 6 indexed citations

16.

Groszmann, Roberto J., David Kravetz, Jaime Bosch, et al.. (1982). Nitroglycerin Improves the Hemodynamic Response to Vasopressin in Portal Hypertension. Hepatology. 2(6). 757–762. 198 indexed citations

17.

Vorobioff, Julio, et al.. (1981). Increased splanchnic blood flow in portal hypertensive rats with cirrhosis and chronic portal vein ligation. 2. 1353. 1 indexed citations

18.

Bredfeldt, James E., et al.. (1981). Nodular regenerative hyperplasia of the liver following renal transplantation. Digestive Diseases and Sciences. 26(3). 271–274. 22 indexed citations

19.

Bredfeldt, James E., et al.. (1980). Malabsorption and gastric hyperacidity in systemic mastocytosis. Results of cimetidine therapy.. PubMed. 74(2). 133–7. 28 indexed citations

20.

Bredfeldt, James E., et al.. (1980). Hypertonic Upper Esophageal Sphincter in the Oculopharyngeal Syndrome. Journal of Clinical Gastroenterology. 2(1). 93–98. 2 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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