Ruzan Udumyan

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

About

Ruzan Udumyan is a scholar working on Epidemiology, Cardiology and Cardiovascular Medicine and Surgery. According to data from OpenAlex, Ruzan Udumyan has authored 48 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Epidemiology, 10 papers in Cardiology and Cardiovascular Medicine and 8 papers in Surgery. Recurrent topics in Ruzan Udumyan's work include Inflammatory Bowel Disease (8 papers), Microscopic Colitis (7 papers) and Resilience and Mental Health (6 papers). Ruzan Udumyan is often cited by papers focused on Inflammatory Bowel Disease (8 papers), Microscopic Colitis (7 papers) and Resilience and Mental Health (6 papers). Ruzan Udumyan collaborates with scholars based in Sweden, United Kingdom and United States. Ruzan Udumyan's co-authors include Scott Montgomery, Katja Fall, Harry Hemingway, Adam Timmis, Pablo Perel, Andrew Briggs, Ewout W. Steyerberg, Jill A. Hayden, Peter Croft and Keith R. Abrams and has published in prestigious journals such as PLoS ONE, Cancer Research and Stroke.

In The Last Decade

Ruzan Udumyan

47 papers receiving 1.7k citations

Hit Papers

align trajectories sort by overperformance

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.

Prognosis research strategy (PROGRESS) 1: A framework for researching clinical outcomes

2013 453 citations Harry Hemingway, Peter Croft et al. BMJ profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ruzan Udumyan Sweden	24	367	342	281	179	178	48	1.7k
Mai-Szu Wu Taiwan	28	261 0.7×	267 0.8×	312 1.1×	124 0.7×	145 0.8×	125	2.9k
Marinella Ruospo Italy	31	365 1.0×	246 0.7×	265 0.9×	117 0.7×	203 1.1×	69	2.7k
Debra A. Butt Canada	20	268 0.7×	272 0.8×	167 0.6×	124 0.7×	217 1.2×	55	1.6k
Christopher Ll. Morgan United Kingdom	32	346 0.9×	398 1.2×	435 1.5×	267 1.5×	260 1.5×	80	3.4k
Frank Andersohn Germany	24	358 1.0×	422 1.2×	395 1.4×	252 1.4×	312 1.8×	59	2.6k
Ana C. Ricardo United States	34	652 1.8×	382 1.1×	271 1.0×	108 0.6×	127 0.7×	93	3.3k
Rupak Desai United States	22	593 1.6×	350 1.0×	270 1.0×	92 0.5×	113 0.6×	252	1.7k
Joanne R Morling United Kingdom	23	131 0.4×	602 1.8×	318 1.1×	159 0.9×	127 0.7×	103	1.8k
Jean Lachaîne Canada	25	168 0.5×	237 0.7×	267 1.0×	84 0.5×	280 1.6×	130	1.8k
Arsenio Vargas‐Vázquez Mexico	17	240 0.7×	354 1.0×	179 0.6×	179 1.0×	44 0.2×	45	1.4k

Countries citing papers authored by Ruzan Udumyan

Since Specialization

Citations

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

Fields of papers citing papers by Ruzan Udumyan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ruzan Udumyan

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

Montgomery, Scott, Snieguole Vingeliene, Huiqi Li, et al.. (2024). SARS-CoV-2 infection and risk of subsequent demyelinating diseases: national register–based cohort study. Brain Communications. 6(6). fcae406–fcae406. 1 indexed citations

Udumyan, Ruzan, et al.. (2024). Antithrombotic Treatment and Clinical Outcomes After Intracerebral Hemorrhage: A Retrospective Cohort Study from the Swedish Stroke Register. Journal of the American Heart Association. 13(10). e034716–e034716.

Eriksson, Carl, Ruzan Udumyan, Per Karlén, et al.. (2021). Real-world effectiveness of vedolizumab in inflammatory bowel disease: week 52 results from the Swedish prospective multicentre SVEAH study. Therapeutic Advances in Gastroenterology. 14. 1088206362–1088206362. 19 indexed citations

Sundin, Per‐Ola, Ruzan Udumyan, Katja Fall, & Scott Montgomery. (2019). Grip strength modifies the association between estimated glomerular filtration rate and all-cause mortality. Nephrology Dialysis Transplantation. 34(10). 1799–1801. 3 indexed citations

Sundin, Per‐Ola, Ruzan Udumyan, Katja Fall, & Scott Montgomery. (2018). Hospital admission with pneumonia and subsequent persistent risk of chronic kidney disease: national cohort study. Clinical Epidemiology. Volume 10. 971–979. 7 indexed citations

Petyaev, Ivan M., Pavel Ya. Dovgalevsky, Victor A. Klochkov, et al.. (2018). Effect of lycopene supplementation on cardiovascular parameters and markers of inflammation and oxidation in patients with coronary vascular disease. Food Science & Nutrition. 6(6). 1770–1777. 33 indexed citations

Udumyan, Ruzan, Jessica Carlsson, Sabina Davidsson, et al.. (2018). Appendicitis before Age 20 Years Is Associated with an Increased Risk of Later Prostate Cancer. Cancer Epidemiology Biomarkers & Prevention. 27(6). 660–664. 2 indexed citations

Udumyan, Ruzan, Scott Montgomery, Fang Fang, et al.. (2017). Beta-Blocker Drug Use and Survival among Patients with Pancreatic Adenocarcinoma. Cancer Research. 77(13). 3700–3707. 76 indexed citations

Meehan, Adrian D., Ruzan Udumyan, Mathias Kardell, et al.. (2017). Lithium‐Associated Hypercalcemia: Pathophysiology, Prevalence, Management. World Journal of Surgery. 42(2). 415–424. 40 indexed citations

10.

Bergh, Cecilia, Ruzan Udumyan, Peter Appelros, Katja Fall, & Scott Montgomery. (2016). Determinants in Adolescence of Stroke-Related Hospital Stay Duration in Men. Stroke. 47(9). 2416–2418. 4 indexed citations

11.

Daskalopoulou, Marina, Julie George, Kate Walters, et al.. (2016). Depression as a Risk Factor for the Initial Presentation of Twelve Cardiac, Cerebrovascular, and Peripheral Arterial Diseases: Data Linkage Study of 1.9 Million Women and Men. PLoS ONE. 11(4). e0153838–e0153838. 116 indexed citations

12.

Geijer, Håkan, et al.. (2016). Temperature measurements with a temporal scanner: systematic review and meta-analysis. BMJ Open. 6(3). e009509–e009509. 43 indexed citations

13.

Kantor, Elizabeth D., Ruzan Udumyan, Lisa B. Signorello, et al.. (2015). Adolescent body mass index and erythrocyte sedimentation rate in relation to colorectal cancer risk. Gut. 65(8). 1289–1295. 51 indexed citations

14.

Sundin, Per‐Ola, Ruzan Udumyan, Per Sjöström, & Scott Montgomery. (2014). Predictors in Adolescence of ESRD in Middle-Aged Men. American Journal of Kidney Diseases. 64(5). 723–729. 28 indexed citations

15.

Bergh, Cecilia, Ruzan Udumyan, Katja Fall, et al.. (2014). Stress resilience in male adolescents and subsequent stroke risk: cohort study. Journal of Neurology Neurosurgery & Psychiatry. 85(12). 1331–1336. 56 indexed citations

16.

Wickbom, Anna, Johan Bohr, Sune Eriksson, et al.. (2013). Stable Incidence of Collagenous Colitis and Lymphocytic Colitis in Örebro, Sweden, 1999–2008. Inflammatory Bowel Diseases. 19(11). 2387–2393. 43 indexed citations

17.

Rapsomaniki, Eleni, Anoop D Shah, Pablo Perel, et al.. (2013). Prognostic models for stable coronary artery disease based on electronic health record cohort of 102 023 patients. European Heart Journal. 35(13). 844–852. 94 indexed citations

18.

Montgomery, Scott, Ruzan Udumyan, Anders Magnuson, et al.. (2013). Mortality following unemployment during an economic downturn: Swedish register-based cohort study. BMJ Open. 3(7). e003031–e003031. 27 indexed citations

19.

Hemingway, Harry, Peter Croft, Pablo Perel, et al.. (2013). Prognosis research strategy (PROGRESS) 1: A framework for researching clinical outcomes. BMJ. 346(feb05 1). e5595–e5595. 453 indexed citations breakdown →

20.

Ray, Sumantra, Ruzan Udumyan, Ben Thompson, et al.. (2012). Evaluation of a novel nutrition education intervention for medical students from across England. BMJ Open. 2(1). e000417–e000417. 36 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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