Vidar Hjellvik

2.4k total citations · 1 hit paper
106 papers, 1.7k citations indexed

About

Vidar Hjellvik is a scholar working on Global and Planetary Change, Public Health, Environmental and Occupational Health and Psychiatry and Mental health. According to data from OpenAlex, Vidar Hjellvik has authored 106 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Global and Planetary Change, 22 papers in Public Health, Environmental and Occupational Health and 18 papers in Psychiatry and Mental health. Recurrent topics in Vidar Hjellvik's work include Marine and fisheries research (23 papers), Opioid Use Disorder Treatment (11 papers) and Underwater Acoustics Research (10 papers). Vidar Hjellvik is often cited by papers focused on Marine and fisheries research (23 papers), Opioid Use Disorder Treatment (11 papers) and Underwater Acoustics Research (10 papers). Vidar Hjellvik collaborates with scholars based in Norway, Finland and Denmark. Vidar Hjellvik's co-authors include Dag Tjøstheim, Aage Tverdal, Randi Selmer, Kari Furu, Olav Rune Godø, Svetlana Skurtveit, Nils Olav Handegard, Marte Handal, Egil Ona and Øystein Karlstad and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and American Journal of Epidemiology.

In The Last Decade

Vidar Hjellvik

99 papers receiving 1.6k 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.

Use of semaglutide and risk of non‐arteritic anterior ischemic optic neuropathy: A Danish–Norwegian cohort study

2025 14 citations Lars Christian Lund, Martin Ernst et al. Diabetes Obesity and Metabolism profile →

Peers

Vidar Hjellvik

GPC

ECOLO

PHEOH

NLC

OCEAN

Victor Hasselblad United States

Susan Kim Australia

Andrew McDougall Australia

Emmanuel Roux France

Thomas Hornick United States

Patrick J. Heagerty United States

Yohanan Wax Israel

Ian J. Stewart United States

Michael P. Thomas United States

Russell Steele Canada

Victor Hasselblad United States

Vidar Hjellvik

181 ×0.5

GPC

109 ×0.4

ECOLO

181 ×0.8

PHEOH

100 ×0.5

NLC

60 ×0.3

OCEAN

Citations per year, relative to Vidar Hjellvik Vidar Hjellvik (= 1×) peers Victor Hasselblad

Countries citing papers authored by Vidar Hjellvik

Since Specialization

Citations

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

Fields of papers citing papers by Vidar Hjellvik

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Vidar Hjellvik. 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 Vidar Hjellvik. The network helps show where Vidar Hjellvik may publish in the future.

Co-authorship network of co-authors of Vidar Hjellvik

This figure shows the co-authorship network connecting the top 25 collaborators of Vidar Hjellvik. A scholar is included among the top collaborators of Vidar Hjellvik 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 Vidar Hjellvik. Vidar Hjellvik 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

Bramness, Jørgen G., et al.. (2025). Responses to the AUDIT questionnaire in the population-based Tromsø surveys as predictor of a diagnosis of alcohol use disorder in Norwegian central health registries—an NCDNOR study. European Journal of Public Health. 35(6). 1219–1225.

Lund, Lars Christian, Martin Ernst, Vidar Hjellvik, et al.. (2025). Use of semaglutide and risk of non‐arteritic anterior ischemic optic neuropathy: A Danish–Norwegian cohort study. Diabetes Obesity and Metabolism. 27(6). 3094–3103. 14 indexed citations breakdown →

Ariansen, Inger, Marius Myrstad, Lars J. Kjerpeseth, et al.. (2025). Timing of stroke risk reassessment in atrial fibrillation patients with a CHA2DS2-VA score of 0 or 1: the Norwegian AFNOR study. EP Europace. 27(10). 1 indexed citations

Skurtveit, Svetlana, et al.. (2024). The risk of long-term opioid use among immigrants: a national registry-linkage study. Scandinavian Journal of Public Health. 53(7). 764–775.

Hamina, Aleksi, et al.. (2024). Increased cancer incidence and mortality among people with opioid use‐related disorders: A nation‐wide cohort study. Addiction. 119(9). 1575–1584. 2 indexed citations

Cesta, Carolyn E., Vidar Hjellvik, Sinna Pilgaard Ulrichsen, et al.. (2024). Antipsychotic use during pregnancy and risk of specific neurodevelopmental disorders and learning difficulties in children: a multinational cohort study. EClinicalMedicine. 70. 102531–102531. 5 indexed citations

Vambheim, Sara M., et al.. (2024). Postoperative opioid use in Norway—a population-based observational study on patterns of long-term use. BMC Pharmacology and Toxicology. 25(1). 81–81. 1 indexed citations

Odsbu, Ingvild, Aleksi Hamina, Vidar Hjellvik, et al.. (2024). Initiation of Antipsychotics During the First Year After First‐Episode Psychosis: A Population‐Based Study. Acta Psychiatrica Scandinavica. 151(4). 537–547. 1 indexed citations

Hamina, Aleksi, et al.. (2023). Fatal drug overdoses in individuals treated pharmacologically for chronic pain: a nationwide register-based study. British Journal of Anaesthesia. 132(1). 86–95. 3 indexed citations

10.

Hamina, Aleksi, Vidar Hjellvik, Marte Handal, et al.. (2022). Describing long‐term opioid use utilizing Nordic prescription registers—A Norwegian example. Basic & Clinical Pharmacology & Toxicology. 130(4). 481–491. 11 indexed citations

11.

Forster, Rachel, Anders Engeland, Rune Kvåle, Vidar Hjellvik, & Tone Bjørge. (2022). Association between medical androgen deprivation therapy and long‐term cardiovascular disease and all‐cause mortality in nonmetastatic prostate cancer. International Journal of Cancer. 151(7). 1109–1119. 15 indexed citations

12.

Hamina, Aleksi, Ingvild Odsbu, Petter C. Borchgrevink, et al.. (2022). Cohort Description: Preventing an Opioid Epidemic in Norway – Focusing on Treatment of Chronic Pain (POINT) – A National Registry-Based Study. Clinical Epidemiology. Volume 14. 1477–1486. 13 indexed citations

13.

Holvik, Kristin, Vidar Hjellvik, Øystein Karlstad, et al.. (2022). Contribution of an extensive medication-based comorbidity index (Rx-Risk) in explaining the excess mortality after hip fracture in older Norwegians: a NOREPOS cohort study. BMJ Open. 12(5). e057823–e057823. 6 indexed citations

14.

Pennington, Michael, et al.. (2021). Assessing the precision of frequency distributions estimated from trawl-survey samples. AquaDocs (United Nations Educational, Scientific and Cultural Organization). 9 indexed citations

15.

Hálfdánarson, Óskar, Jacqueline M. Cohen, Øystein Karlstad, et al.. (2021). Antipsychotic use in pregnancy and risk of attention/deficit-hyperactivity disorder and autism spectrum disorder: a Nordic cohort study. Evidence-Based Mental Health. 25(2). 54–62. 17 indexed citations

16.

Oerbeck, Beate, Kristin Romvig Øvergaard, Vidar Hjellvik, Lars Lien, & Jørgen G. Bramness. (2021). The Use of Antidepressants, Antipsychotics, and Stimulants in Youth Residential Care. Journal of Child and Adolescent Psychopharmacology. 31(5). 350–357. 4 indexed citations

17.

Oerbeck, Beate, Kristin Romvig Øvergaard, Vidar Hjellvik, et al.. (2020). The Use of Sleep Medication in Youth Residential Care. Journal of Child and Adolescent Psychopharmacology. 30(5). 335–341. 4 indexed citations

18.

Beare, Douglas, David G. Reid, Vidar Hjellvik, et al.. (2004). Positive relationships between bottom trawl and acoustic data. Duo Research Archive (University of Oslo). 3 indexed citations

19.

Hjellvik, Vidar, Olav Rune Godø, & Dag Tjøstheim. (2001). The Measurement Error Of Marine Survey Catches: The Bottom Trawl Case. AquaDocs (United Nations Educational, Scientific and Cultural Organization). 6 indexed citations

20.

Hjellvik, Vidar, Olav Rune Godø, & Dag Tjøstheim. (1999). Modelling Diurnal Variation in Bottom Trawl Catches and Potential Application in Surveys. Duo Research Archive (University of Oslo). 1 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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