Ottar M. Bergmann

1.8k total citations · 1 hit paper
31 papers, 1.0k citations indexed

About

Ottar M. Bergmann is a scholar working on Hepatology, Epidemiology and Pharmacology. According to data from OpenAlex, Ottar M. Bergmann has authored 31 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Hepatology, 20 papers in Epidemiology and 7 papers in Pharmacology. Recurrent topics in Ottar M. Bergmann's work include Liver Disease Diagnosis and Treatment (16 papers), Hepatitis C virus research (13 papers) and Liver Diseases and Immunity (7 papers). Ottar M. Bergmann is often cited by papers focused on Liver Disease Diagnosis and Treatment (16 papers), Hepatitis C virus research (13 papers) and Liver Diseases and Immunity (7 papers). Ottar M. Bergmann collaborates with scholars based in Iceland, United States and Australia. Ottar M. Bergmann's co-authors include Einar S. Björnsson, Sigurður Ólafsson, Helgi K. Björnsson, Jón G. Jónasson, Gerður Gröndal, Björn Guðbjörnsson, Ingunn Hansdóttir, Valgerður Rúnarsdóttir, Tomas Axelsson and Björn R. Lúdvíksson and has published in prestigious journals such as Gastroenterology, Hepatology and Journal of Hepatology.

In The Last Decade

Ottar M. Bergmann

30 papers receiving 1.0k 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.

Incidence, Presentation, and Outcomes in Patients With Drug-Induced Liver Injury in the General Population of Iceland

2013 611 citations Einar S. Björnsson, Ottar M. Bergmann et al. Gastroenterology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ottar M. Bergmann Iceland	13	624	477	466	223	120	31	1.0k
Claude Lenoir France	5	522 0.8×	328 0.7×	482 1.0×	208 0.9×	109 0.9×	8	957
Craig Lammert United States	14	497 0.8×	456 1.0×	433 0.9×	195 0.9×	174 1.4×	55	1.0k
Helgi K. Björnsson Iceland	8	625 1.0×	279 0.6×	254 0.5×	207 0.9×	53 0.4×	23	875
Ángeles Pizarro Spain	7	691 1.1×	388 0.8×	190 0.4×	240 1.1×	161 1.3×	11	1.1k
B. García‐Muñoz Spain	6	958 1.5×	328 0.7×	255 0.5×	315 1.4×	44 0.4×	8	1.1k
Catherine Sgro France	13	547 0.9×	196 0.4×	163 0.3×	240 1.1×	45 0.4×	20	900
Shannan R. Tujios United States	14	406 0.7×	328 0.7×	465 1.0×	95 0.4×	200 1.7×	28	886
J. O’Donohue United Kingdom	13	175 0.3×	259 0.5×	225 0.5×	185 0.8×	263 2.2×	23	917
Haripriya Maddur United States	13	179 0.3×	344 0.7×	361 0.8×	87 0.4×	179 1.5×	37	702
Natalie Murray United States	14	396 0.6×	827 1.7×	1.0k 2.2×	71 0.3×	483 4.0×	20	1.5k

Countries citing papers authored by Ottar M. Bergmann

Since Specialization

Citations

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

Fields of papers citing papers by Ottar M. Bergmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ottar M. Bergmann. 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 Ottar M. Bergmann. The network helps show where Ottar M. Bergmann may publish in the future.

Co-authorship network of co-authors of Ottar M. Bergmann

This figure shows the co-authorship network connecting the top 25 collaborators of Ottar M. Bergmann. A scholar is included among the top collaborators of Ottar M. Bergmann 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 Ottar M. Bergmann. Ottar M. Bergmann 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

Gottfreðsson, Magnús, Valgerður Rúnarsdóttir, Þorvarður Jón Löve, et al.. (2022). Sustained low prevalence of HCV viremia among people who inject drugs following the treatment as prevention for hepatitis C (TraP HepC) nationwide elimination program in Iceland. Journal of Hepatology. 77. S573–S573. 1 indexed citations

Ólafsson, Sigurður, et al.. (2021). A nationwide population-based prospective study of cirrhosis in Iceland. JHEP Reports. 3(3). 100282–100282. 4 indexed citations

Ólafsson, Sigurður, Þorvarður Jón Löve, Þórarinn Tyrfingsson, et al.. (2021). Cascade of care during the first 36 months of the treatment as prevention for hepatitis C (TraP HepC) programme in Iceland: a population-based study. The Lancet. Gastroenterology & hepatology. 6(8). 628–637. 18 indexed citations

Kristinsson, Jón, et al.. (2019). Frumkomin trefjunargallgangabólga á Íslandi 1992-2012. Læknablaðið. 2019(9). 371–376. 7 indexed citations

Ólafsson, Sigurður, Þórarinn Tyrfingsson, Valgerður Rúnarsdóttir, et al.. (2019). THU-412-Iceland may already have reached the WHO 2030 targets for diagnosis and treatment of hepatitis C virus infection: Results from the treatment as prevention for hepatitis C (Trap HepC) program. Journal of Hepatology. 70(1). e337–e338. 8 indexed citations

Gottfreðsson, Magnús, Valgerður Rúnarsdóttir, Þorvarður Jón Löve, et al.. (2019). 2895. Threats to Successful Elimination of Viral Hepatitis: Results from the Nationwide Treatment as Prevention for Hepatitis C (TraP HepC) Program in Iceland. Open Forum Infectious Diseases. 6(Supplement_2). S81–S82. 1 indexed citations

Ólafsson, Sigurður, Þórarinn Tyrfingsson, Valgerður Rúnarsdóttir, et al.. (2017). Treatment as prevention for hepatitis C in Iceland (TRAP HEP C). A real-world experience from a nationwide elimination program using direct acting antiviral agents. Journal of Hepatology. 66(1). S72–S72. 2 indexed citations

Ólafsson, Sigurður, et al.. (2017). Using the Icelandic genealogical database to define the familial risk of primary biliary cholangitis. Hepatology. 68(1). 166–171. 18 indexed citations

Ólafsson, Sigurður, et al.. (2017). Lifetime drinking history in patients with alcoholic liver disease and patients with alcohol use disorder without liver disease. Scandinavian Journal of Gastroenterology. 52(6-7). 762–767. 21 indexed citations

10.

Björnsson, Einar S., Ottar M. Bergmann, Jón G. Jónasson, et al.. (2017). Drug-Induced Autoimmune Hepatitis: Response to Corticosteroids and Lack of Relapse After Cessation of Steroids. Clinical Gastroenterology and Hepatology. 15(10). 1635–1636. 56 indexed citations

11.

Björnsson, Einar S., et al.. (2016). Lifrarígræðslur á Íslandi: afturskyggn rannsókn á ábendingum og árangri. Læknablaðið. 2016(1). 19–24. 3 indexed citations

12.

Bloomer, Steven A., Alicia K. Olivier, Ottar M. Bergmann, et al.. (2016). Strain‐ and time‐dependent alterations in hepatic iron metabolism in a murine model of nonalcoholic steatohepatitis. Cell Biochemistry and Function. 34(8). 628–639. 6 indexed citations

13.

Björnsson, Helgi K., et al.. (2015). Secondary sclerosing cholangitis in patients with drug-induced liver injury. Digestive and Liver Disease. 47(6). 502–507. 38 indexed citations

14.

Björnsson, Helgi K., Sigurður Ólafsson, Ottar M. Bergmann, & Einar S. Björnsson. (2014). Sa1301 A Prospective Study on the Causes of Notably Raised Alanine Aminotransferase (ALT). Gastroenterology. 146(5). S–256. 1 indexed citations

15.

Björnsson, Einar S., et al.. (2013). Incidence, Presentation, and Outcomes in Patients With Drug-Induced Liver Injury in the General Population of Iceland. Gastroenterology. 144(7). 1419–1425.e3. 611 indexed citations breakdown →

16.

Bergmann, Ottar M., et al.. (2012). The epidemiology and natural history of primary biliary cirrhosis. European Journal of Gastroenterology & Hepatology. 24(7). 824–830. 44 indexed citations

17.

Bergmann, Ottar M., et al.. (2012). Paracetamol intoxications: a retrospective population-based study in Iceland. Scandinavian Journal of Gastroenterology. 47(11). 1344–1352. 25 indexed citations

18.

Bergmann, Ottar M., et al.. (2011). Jaundice Due to Suspected Statin Hepatotoxicity: A Case Series. Digestive Diseases and Sciences. 57(7). 1959–1964. 14 indexed citations

19.

Bergmann, Ottar M., M. Meleah Mathahs, Kimberly A. Broadhurst, et al.. (2008). Altered expression of iron regulatory genes in cirrhotic human livers: clues to the cause of hemosiderosis?. Laboratory Investigation. 88(12). 1349–1357. 17 indexed citations

20.

Bergmann, Ottar M., Shiliang Sun, Jamie A. Weydert, & William B. Silverman. (2007). Intrahepatic trifistula causing bilhemia and hemobilia resulting from transjugular liver biopsy in the setting of biliary tract obstruction (with video). Gastrointestinal Endoscopy. 66(4). 848–850. 4 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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