Tryggvi Stefánsson

3.7k total citations · 1 hit paper
26 papers, 1.1k citations indexed

About

Tryggvi Stefánsson is a scholar working on Surgery, Oncology and Epidemiology. According to data from OpenAlex, Tryggvi Stefánsson has authored 26 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Surgery, 11 papers in Oncology and 4 papers in Epidemiology. Recurrent topics in Tryggvi Stefánsson's work include Diverticular Disease and Complications (11 papers), Colorectal Cancer Screening and Detection (10 papers) and Gastrointestinal disorders and treatments (9 papers). Tryggvi Stefánsson is often cited by papers focused on Diverticular Disease and Complications (11 papers), Colorectal Cancer Screening and Detection (10 papers) and Gastrointestinal disorders and treatments (9 papers). Tryggvi Stefánsson collaborates with scholars based in Iceland, Sweden and Norway. Tryggvi Stefánsson's co-authors include Lars Påhlman, Pär Sparén, Anders Ekbom, Rita Araújo, Javier Sánchez, Tanel Ilmjärv, Fatemeh Ghaderiardakani, Isabel C. Azevedo, Annette Bruhn and Martial Laurans and has published in prestigious journals such as Gastroenterology, Gut and International Journal of Cancer.

In The Last Decade

Tryggvi Stefánsson

26 papers receiving 1.1k 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.

Current Status of the Algae Production Industry in Europe: An Emerging Sector of the Blue Bioeconomy

2021 408 citations Rita Araújo, Javier Sánchez et al. Frontiers in Marine Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Tryggvi Stefánsson Iceland	13	432	381	258	217	141	26	1.1k
Osamu Miyake Japan	17	46 0.1×	174 0.5×	256 1.0×	74 0.3×	34 0.2×	79	1.2k
Md Mohiuddin Japan	12	102 0.2×	75 0.2×	101 0.4×	13 0.1×	20 0.1×	57	478
Kosuke Mori Japan	15	84 0.2×	61 0.2×	72 0.3×	8 0.0×	19 0.1×	76	889
Tomohiro Tanaka Japan	18	171 0.4×	363 1.0×	81 0.3×	5 0.0×	40 0.3×	85	1.3k
Shintaro Hara Japan	18	57 0.1×	108 0.3×	423 1.6×	8 0.0×	75 0.5×	60	1.1k
Óscar González Spain	16	101 0.2×	599 1.6×	179 0.7×	3 0.0×	40 0.3×	84	953
Andrew Macfarlane United Kingdom	16	102 0.2×	74 0.2×	137 0.5×	28 0.1×	54 0.4×	30	626
Zhao Dong United States	22	225 0.5×	155 0.4×	70 0.3×	14 0.1×	37 0.3×	41	2.0k
Min‐Sun Kim South Korea	15	101 0.2×	89 0.2×	71 0.3×	105 0.5×	53 0.4×	34	652
Jiao Jiang China	14	58 0.1×	58 0.2×	35 0.1×	86 0.4×	64 0.5×	76	775

Countries citing papers authored by Tryggvi Stefánsson

Since Specialization

Citations

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

Fields of papers citing papers by Tryggvi Stefánsson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Tryggvi Stefánsson

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

1.

Virchenko, Oleksandr & Tryggvi Stefánsson. (2023). Light Increases Astaxanthin Absorbance in Acetone Solution through Isomerization Reactions. Molecules. 28(2). 847–847. 6 indexed citations

2.

Araújo, Rita, Javier Sánchez, Isabel C. Azevedo, et al.. (2021). Current Status of the Algae Production Industry in Europe: An Emerging Sector of the Blue Bioeconomy. Frontiers in Marine Science. 7. 408 indexed citations breakdown →

3.

Stefánsson, Tryggvi, et al.. (2020). Incidence and recurrence rate of sigmoid diverticulitis in patients requiring admission to hospital in Iceland from 1985 to 2014: nationwide population-based register study. BJS Open. 4(6). 1217–1226. 10 indexed citations

4.

Bretthauer, Michael, Michał F. Kamiński, Magnus Løberg, et al.. (2016). Population-Based Colonoscopy Screening for Colorectal Cancer. JAMA Internal Medicine. 176(7). 894–894. 214 indexed citations

5.

Björnsson, Sigurður, Jón G. Jónasson, Nick Cariglia, et al.. (2015). Incidence of inflammatory bowel disease in Iceland 1995 – 2009. A nationwide population-based study. Scandinavian Journal of Gastroenterology. 50(11). 1368–1375. 16 indexed citations

6.

Hreinsson, Jóhann P., et al.. (2014). The risk of colorectal cancer after an attack of uncomplicated diverticulitis. Scandinavian Journal of Gastroenterology. 49(5). 576–580. 17 indexed citations

7.

Kamiński, Michał F., Michael Bretthauer, Ann G. Zauber, et al.. (2012). The NordICC Study: Rationale and design of a randomized trial on colonoscopy screening for colorectal cancer. Endoscopy. 44(7). 695–702. 119 indexed citations

8.

Kristinsson, Karl G., Tryggvi Stefánsson, Helga Erlendsdóttir, et al.. (2008). Risk factors and outcome in ICU‐acquired infections. Acta Anaesthesiologica Scandinavica. 52(9). 1238–1245. 28 indexed citations

9.

Stefánsson, Tryggvi, Páll Helgi Möller, Fridbjörn Sigurdsson, Eirı́kur Steingrı́msson, & Bjarki Eldon. (2006). Familial risk of colon and rectal cancer in Iceland: Evidence for different etiologic factors?. International Journal of Cancer. 119(2). 304–308. 16 indexed citations

10.

Bretthauer, Michael, Anders Ekbom, Tryggvi Stefánsson, et al.. (2006). Kolorektal cancer - Krav på samnordisk studie om koloskopiscreeningens värde. Hirsla (Landspítali University Hospital). 103. 2064–2066. 1 indexed citations

11.

Bretthauer, Michael, Anders Ekbom, Tryggvi Stefánsson, et al.. (2006). [Politics and science in colorectal cancer screening].. PubMed. 168(26-32). 2563–5. 5 indexed citations

12.

Stefánsson, Tryggvi, Anders Ekbom, Pär Sparén, & Lars Påhlman. (2004). Association between sigmoid diverticulitis and left‐sided colon cancer: a nested, population‐based, case control study. Scandinavian Journal of Gastroenterology. 39(8). 743–747. 57 indexed citations

13.

Thörn, Magnus, Wilhelm Graf, Tryggvi Stefánsson, & Lars Påhlman. (2002). Clinical and functional results after elective colonic resection in 75 consecutive patients with diverticular disease. The American Journal of Surgery. 183(1). 7–11. 43 indexed citations

14.

Stefánsson, Tryggvi, R. Nyman, S. Nilsson, Anders Ekbom, & Lars Påhlman. (1997). Diverticulitis of the sigmoid colon. Acta Radiologica. 38(2). 313–319. 31 indexed citations

15.

Stefánsson, Tryggvi, R. Nyman, S. Nilsson, Anders Ekbom, & Lars Påhlman. (1996). Diverticulitis of the sigmoid colon, a comparison between computed tomography, colonic enema and laparoscopy.. 1 indexed citations

16.

Graf, Wilhelm, Tryggvi Stefánsson, Dag Arvidsson, & Lars Påhlman. (1995). Laparoscopic suture rectopexy. Diseases of the Colon & Rectum. 38(2). 211–212. 21 indexed citations

17.

Stefánsson, Tryggvi, Antonina Bergman, Anders Ekbom, R. Nyman, & Lars Påhlman. (1994). Accuracy of Double Contrast Barium Enema and Sigmoideoscopy in the Detection of Polyps in Patients with Diverticulosis. Acta Radiologica. 35(5). 442–446. 5 indexed citations

18.

Stefánsson, Tryggvi, Antonina Bergman, Anders Ekbom, R. Nyman, & Lars Påhlman. (1994). Accuracy of Double Contrast Barium Enema and Sigmoideoscopy in the Detection of Polyps in Patients with Diverticulosis. Acta Radiologica. 35(5). 442–446. 4 indexed citations

19.

Stefánsson, Tryggvi, Anders Ekbom, Pär Sparén, & Lars Påhlman. (1993). Increased risk of left sided colon cancer in patients with diverticular disease.. Gut. 34(4). 499–502. 68 indexed citations

20.

Maigaard, Svend, et al.. (1978). [Value of routine preoperative x-ray examination of the thorax and ECG].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 140(14). 769–71. 5 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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