Torkell Ellingsen

6.3k total citations · 2 hit papers
142 papers, 3.8k citations indexed

About

Torkell Ellingsen is a scholar working on Rheumatology, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, Torkell Ellingsen has authored 142 papers receiving a total of 3.8k indexed citations (citations by other indexed papers that have themselves been cited), including 80 papers in Rheumatology, 21 papers in Pulmonary and Respiratory Medicine and 21 papers in Epidemiology. Recurrent topics in Torkell Ellingsen's work include Rheumatoid Arthritis Research and Therapies (62 papers), Systemic Lupus Erythematosus Research (30 papers) and Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis (14 papers). Torkell Ellingsen is often cited by papers focused on Rheumatoid Arthritis Research and Therapies (62 papers), Systemic Lupus Erythematosus Research (30 papers) and Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis (14 papers). Torkell Ellingsen collaborates with scholars based in Denmark, United States and United Kingdom. Torkell Ellingsen's co-authors include Kristian Stengaard‐Pedersen, Ulrich Fredberg, Thøger Persson Krogh, Robin Christensen, Elisabeth Bendstrup, Charlotte Hyldgaard, Merete Lund Hetland, Alma B Pedersen, Pia Jensen and Ole Hilberg and has published in prestigious journals such as SHILAP Revista de lepidopterología, Scientific Reports and European Heart Journal.

In The Last Decade

Torkell Ellingsen

130 papers receiving 3.7k 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.

A population-based cohort study of rheumatoid arthritis-associated interstitial lung disease: comorbidity and mortality

2017 296 citations Charlotte Hyldgaard, Elisabeth Bendstrup et al. Annals of the Rheumatic Diseases profile →
FRI0203 A SINGLE-CENTER INVESTIGATION ON THE PREVALENCE OF MALIGNANCIES IN PATIENTS WITH POLYMYALGIA RHEUMATICA AND GIANT CELL ARTERITIS BY WAY OF 18F-FDG PET/CT: A PROSPECTIVE COHORT STUDY

2020 280 citations Amir Emamifar, Søren Hess et al. Annals of the Rheumatic Diseases profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Torkell Ellingsen Denmark	30	1.7k	790	736	668	545	142	3.8k
Bruno Frediani Italy	42	1.9k 1.1×	957 1.2×	390 0.5×	706 1.1×	720 1.3×	249	4.8k
Santos Castañeda Spain	38	3.1k 1.8×	722 0.9×	623 0.8×	1.2k 1.8×	1.0k 1.9×	298	5.6k
Marwin Gutiérrez Italy	37	2.3k 1.3×	824 1.0×	306 0.4×	750 1.1×	346 0.6×	149	3.9k
Kim Hørslev‐Petersen Denmark	39	2.8k 1.6×	538 0.7×	388 0.5×	735 1.1×	223 0.4×	194	4.6k
Atsuo Taniguchi Japan	37	2.5k 1.5×	593 0.8×	278 0.4×	542 0.8×	253 0.5×	195	4.1k
René‐Marc Flipo France	38	2.8k 1.6×	903 1.1×	202 0.3×	674 1.0×	397 0.7×	212	4.7k
Imad Uthman Lebanon	29	1.6k 1.0×	556 0.7×	189 0.3×	515 0.8×	363 0.7×	148	3.2k
Clement J. Michet United States	38	3.2k 1.8×	972 1.2×	242 0.3×	823 1.2×	1.1k 2.1×	82	5.1k
Matthias Englbrecht Germany	36	2.1k 1.2×	517 0.7×	463 0.6×	783 1.2×	159 0.3×	107	3.2k
Philippe Gaudin France	32	2.3k 1.3×	438 0.6×	208 0.3×	644 1.0×	164 0.3×	148	3.4k

Countries citing papers authored by Torkell Ellingsen

Since Specialization

Citations

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

Fields of papers citing papers by Torkell Ellingsen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Torkell Ellingsen

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

Hyldgaard, Charlotte, Asger Roer Pedersen, Torkell Ellingsen, & Elisabeth Bendstrup. (2025). Pulmonary function trajectories in rheumatoid arthritis-associated interstitial lung disease. Scandinavian Journal of Rheumatology. 54(5). 339–345.

Nilsson, Anna Christine, Muhammad Malik, Heidi Lausten Munk, et al.. (2024). Dynamics of inflammation-associated plasma proteins following faecal microbiota transplantation in patients with psoriatic arthritis and healthy controls: exploratory findings from the FLORA trial. RMD Open. 10(1). e003750–e003750. 9 indexed citations

Hyldgaard, Charlotte, Christin Isaksen, Gražina Urbonavičienė, et al.. (2024). Risk profiles for rheumatoid arthritis-associated interstitial lung disease in a cohort of patients with five-year follow-up. Scandinavian Journal of Rheumatology. 53(6). 380–385. 1 indexed citations

Brix, Lau, et al.. (2024). Joint swelling in the hand in rheumatoid arthritis: agreement between clinical evaluation, ultrasonography, magnetic resonance imaging and patient self-evaluation. Rheumatology International. 45(1). 1–1.

Kirkham, Jamie J, Sabrina Mai Nielsen, Kirstine Amris, et al.. (2024). Exploring the effect on primary endpoints in trials testing targeted therapy interventions for rheumatoid arthritis: a meta-epidemiological study on the appropriate use of a core outcome set. Annals of the Rheumatic Diseases. 83(10). 1288–1294.

Singh, Jasvinder A., Nicola Dalbeth, William J. Taylor, et al.. (2023). Outcome reporting in randomized trials in gout: A systematic scoping review from the OMERACT gout working group assessing the uptake of the core outcome set. Seminars in Arthritis and Rheumatism. 60. 152191–152191. 4 indexed citations

Hyldgaard, Charlotte, et al.. (2023). Clinical and preclinical pulmonary disease in newly diagnosed rheumatoid arthritis: a two-year follow-up study. Scandinavian Journal of Rheumatology. 52(6). 601–608. 5 indexed citations

Christensen, Robin, et al.. (2022). Using thoracic ultrasound to detect interstitial lung disease in patients with rheumatoid arthritis: a protocol for the diagnostic test accuracy AURORA study. BMJ Open. 12(12). e067434–e067434. 7 indexed citations

Chrysidis, Stavros, et al.. (2022). Prevalence of survey-based criteria for fibromyalgia and impact on hospital burden: a 7 year follow-up study from an outpatient clinic. Scandinavian Journal of Rheumatology. 52(5). 539–548. 6 indexed citations

10.

Emamifar, Amir, Torkell Ellingsen, Anne Pernille Hermann, et al.. (2021). Prognostic impacts of glucocorticoid treatment in patients with polymyalgia rheumatica and giant cell arteritis. Scientific Reports. 11(1). 6220–6220. 8 indexed citations

11.

Stengaard‐Pedersen, Kristian, Brian Bridal Løgstrup, Kim Hørslev‐Petersen, et al.. (2021). Similar lipid level changes in early rheumatoid arthritis patients following 1-year treat-to-target strategy with adalimumab plus methotrexate versus placebo plus methotrexate: secondary analyses from the randomised controlled OPERA trial. Rheumatology International. 41(3). 543–549. 6 indexed citations

12.

Emamifar, Amir, Torkell Ellingsen, Søren Hess, et al.. (2020). The Utility of 18F‐FDG PET/CT in Patients With Clinical Suspicion of Polymyalgia Rheumatica and Giant Cell Arteritis: A Prospective, Observational, and Cross‐sectional Study. ACR Open Rheumatology. 2(8). 478–490. 24 indexed citations

13.

Nielsen, Sabrina Mai, Torkell Ellingsen, Beverley Shea, et al.. (2020). Population characteristics as important contextual factors in rheumatological trials: an exploratory meta-epidemiological study from an OMERACT Working Group. Annals of the Rheumatic Diseases. 79(10). 1269–1276. 4 indexed citations

14.

Stengaard‐Pedersen, Kristian, Peter Vestergaard, Robin Christensen, et al.. (2020). Impact of season on the association between vitamin D levels at diagnosis and one-year remission in early Rheumatoid Arthritis. Scientific Reports. 10(1). 7371–7371. 8 indexed citations

15.

Stengaard‐Pedersen, Kristian, Peter Vestergaard, Mikkel Østergaard, et al.. (2018). The D‐vitamin metabolite 1,25(OH)₂D in serum is associated with disease activity and Anti‐Citrullinated Protein Antibodies in active and treatment naïve, early Rheumatoid Arthritis Patients. Scandinavian Journal of Immunology. 88(3). e12704–e12704. 18 indexed citations

16.

Bennike, Tue Bjerg, Torkell Ellingsen, Ole K. Bonderup, et al.. (2015). Neutrophil Extracellular Traps in Ulcerative Colitis. Inflammatory Bowel Diseases. 21(9). 2052–2067. 144 indexed citations

17.

Jensen, Ole Kudsk, et al.. (2013). Reproducibility of tender point examination in chronic low back pain patients as measured by intrarater and inter-rater reliability and agreement: a validation study. BMJ Open. 3(2). e002532–e002532. 17 indexed citations

18.

Ammitzbøll, Christian Gytz, Jens Christian Jensenius, Torkell Ellingsen, et al.. (2012). M-Ficolin, an activator of the complement system is the strongest predictor of both DAS28 remission and low disease activity in a cohort of 180 early DMARD naïve rheumatoid arthritis patients followed in The OPERA-study.. University of Southern Denmark Research Portal (University of Southern Denmark). 64(10). 1 indexed citations

19.

Ammitzbøll, Christian Gytz, Steffen Thiel, Torkell Ellingsen, et al.. (2011). Levels of lectin pathway proteins in plasma and synovial fluid of rheumatoid arthritis and osteoarthritis. Rheumatology International. 32(5). 1457–1463. 41 indexed citations

20.

Hetland, Merete Lund, M. Østergaard, A Vestergaard, et al.. (2007). Is it possible to stop radiographic progression with conventional treatment in early rheumatoid arthritis?: 2 years results from the CIMESTRA study. Annals of the Rheumatic Diseases. 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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