Karen E. Thomas

11.2k total citations · 2 hit papers
109 papers, 7.6k citations indexed

About

Karen E. Thomas is a scholar working on Epidemiology, Radiology, Nuclear Medicine and Imaging and Emergency Medicine. According to data from OpenAlex, Karen E. Thomas has authored 109 papers receiving a total of 7.6k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Epidemiology, 22 papers in Radiology, Nuclear Medicine and Imaging and 19 papers in Emergency Medicine. Recurrent topics in Karen E. Thomas's work include Radiation Dose and Imaging (18 papers), Immune Response and Inflammation (15 papers) and Traumatic Brain Injury Research (13 papers). Karen E. Thomas is often cited by papers focused on Radiation Dose and Imaging (18 papers), Immune Response and Inflammation (15 papers) and Traumatic Brain Injury Research (13 papers). Karen E. Thomas collaborates with scholars based in United States, Canada and United Kingdom. Karen E. Thomas's co-authors include John Newman, Stefanie N. Vogel, Jean Langlois, Wesley Rutland-Brown, J Gilchrist, Michael J. Cody, Matthew J. Fenton, Victor G. Coronado, Vladimir Y. Toshchakov and Bo Wang and has published in prestigious journals such as JAMA, Journal of Biological Chemistry and Nature Immunology.

In The Last Decade

Karen E. Thomas

106 papers receiving 7.3k 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.

TLR4, but not TLR2, mediates IFN-β–induced STAT1α/β-dependent gene expression in macrophages

2002 685 citations Karen E. Thomas, Michael J. Cody et al. profile →
Incidence of Traumatic Brain Injury in the United States, 2003

2006 630 citations Wesley Rutland-Brown, Jean Langlois et al. Journal of Head Trauma Rehabilitation profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Karen E. Thomas United States	40	2.1k	1.6k	1.2k	1.1k	987	109	7.6k
Axel Haverich Germany	84	3.3k 1.5×	936 0.6×	1.8k 1.4×	1.7k 1.5×	374 0.4×	904	32.9k
John F. Burke United States	66	3.8k 1.8×	1.5k 0.9×	880 0.7×	380 0.3×	109 0.1×	343	18.2k
Chao Huang Taiwan	48	1.7k 0.8×	589 0.4×	189 0.2×	490 0.4×	170 0.2×	417	9.9k
Roland Hetzer Germany	76	5.9k 2.8×	570 0.4×	3.1k 2.5×	243 0.2×	611 0.6×	1.1k	26.5k
Marc G. Jeschke Canada	76	10.4k 4.9×	963 0.6×	2.0k 1.6×	341 0.3×	76 0.1×	441	21.4k
Martijn van Griensven Germany	56	2.1k 1.0×	1.1k 0.7×	1.8k 1.5×	347 0.3×	28 0.0×	343	11.9k
Bruno Reichart Germany	62	2.4k 1.1×	558 0.3×	699 0.6×	333 0.3×	175 0.2×	687	15.7k
Stewart C. Wang United States	54	1.7k 0.8×	1.1k 0.7×	760 0.6×	182 0.2×	102 0.1×	369	11.7k
Aditya Gupta India	38	1.9k 0.9×	132 0.1×	309 0.3×	655 0.6×	99 0.1×	472	7.4k
Tom Eirik Mollnes Norway	62	2.2k 1.0×	7.0k 4.4×	383 0.3×	604 0.5×	97 0.1×	500	16.1k

Countries citing papers authored by Karen E. Thomas

Since Specialization

Citations

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

Fields of papers citing papers by Karen E. Thomas

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karen E. Thomas. 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 Karen E. Thomas. The network helps show where Karen E. Thomas may publish in the future.

Co-authorship network of co-authors of Karen E. Thomas

This figure shows the co-authorship network connecting the top 25 collaborators of Karen E. Thomas. A scholar is included among the top collaborators of Karen E. Thomas 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 Karen E. Thomas. Karen E. Thomas 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

Kitchen, Gareth, et al.. (2026). Time of day of cardiac surgery and postoperative outcomes in the UK : a secondary analysis of linked national datasets. Anaesthesia. 1 indexed citations

Waltzman, Dana, Juliet Haarbauer‐Krupa, Jill Daugherty, Karen E. Thomas, & Kelly Sarmiento. (2020). State-Level Numbers and Rates of Traumatic Brain Injury-Related Emergency Department Visits, Hospitalizations, and Deaths by Sex, 2014. Journal of Head Trauma Rehabilitation. 35(6). E481–E489. 2 indexed citations

Wilson, Lauren, et al.. (2017). Development of a Comprehensive and Interactive Tool to Inform State Violence and Injury Prevention Plans. Journal of Public Health Management and Practice. 24. S59–S66. 3 indexed citations

Murray, Julia, et al.. (2015). PO-0736: Bladder and trigone surface doses are related to acute urinary toxicity in focally dose-escalated prostate IMRT. Radiotherapy and Oncology. 115. S364–S365. 1 indexed citations

Boutis, Kathy, et al.. (2014). Radiation Exposure from Imaging Tests in Pediatric Emergency Medicine: A Survey of Physician Knowledge and Risk Disclosure Practices. Journal of Emergency Medicine. 47(1). 36–44. 20 indexed citations

Thomas, Karen E., et al.. (2014). Dual bolus intravenous contrast injection technique for multiregion paediatric body CT. European Radiology. 25(4). 1014–1022. 10 indexed citations

Thomas, Karen E.. (2011). CT utilization – trends and developments beyond the United States’ borders. Pediatric Radiology. 41(S2). 562–566. 27 indexed citations

Chong, Amy Lee, et al.. (2010). Imaging in pediatric patients: Time to think again about surveillance. Pediatric Blood & Cancer. 55(3). 407–413. 26 indexed citations

Sánchez, Carlos, Karen E. Thomas, Josephine Malilay, & J L Annest. (2010). Nonfatal Natural and Environmental Injuries Treated in Emergency Departments, United States, 2001–2004. Family & Community Health. 33(1). 3–10. 20 indexed citations

10.

Berzin, Stephanie Cosner, et al.. (2008). Does family group decision making affect child welfare outcomes? Findings from a randomized control study.. PubMed. 87(4). 35–54. 34 indexed citations

11.

Thomas, Karen E. & Mark E. Josephson. (2008). The Role of Electrophysiology Study in Risk Stratification of Sudden Cardiac Death. Progress in Cardiovascular Diseases. 51(2). 97–105. 15 indexed citations

12.

Benchimol, Eric I., Dan Turner, Erika Mann, et al.. (2008). Toxic Megacolon in Children With Inflammatory Bowel Disease: Clinical and Radiographic Characteristics. The American Journal of Gastroenterology. 103(6). 1524–1531. 19 indexed citations

13.

Báfica, André, Carl G. Feng, Helton C. Santiago, et al.. (2007). The IFN-Inducible GTPase LRG47 (Irgm1) Negatively Regulates TLR4-Triggered Proinflammatory Cytokine Production and Prevents Endotoxemia. The Journal of Immunology. 179(8). 5514–5522. 44 indexed citations

14.

Joshi, Vishwas N., Dhananjaya V. Kalvakolanu, Wilbur Chen, et al.. (2006). A Role for Stat1 in the Regulation of Lipopolysaccharide-Induced Interleukin-1 β Expression. Journal of Interferon & Cytokine Research. 26(10). 739–747. 28 indexed citations

15.

Thomas, Karen E., Anna Sapone, Alessio Fasano, & Stefanie N. Vogel. (2006). Gliadin Stimulation of Murine Macrophage Inflammatory Gene Expression and Intestinal Permeability Are MyD88-Dependent: Role of the Innate Immune Response in Celiac Disease. The Journal of Immunology. 176(4). 2512–2521. 181 indexed citations

16.

Thomas, Karen E., et al.. (2006). Assessment of radiation dose awareness among pediatricians. Pediatric Radiology. 36(8). 823–832. 145 indexed citations

17.

Langlois, Jean, Wesley Rutland-Brown, & Karen E. Thomas. (2005). The Incidence of Traumatic Brain Injury Among Children in the United States. Journal of Head Trauma Rehabilitation. 20(3). 229–238. 322 indexed citations

18.

Cuesta, Natalia, C A Salkowski, Karen E. Thomas, & Stefanie N. Vogel. (2003). Regulation of Lipopolysaccharide Sensitivity by IFN Regulatory Factor-2. The Journal of Immunology. 170(11). 5739–5747. 62 indexed citations

19.

Owens, Cátherine M., et al.. (2003). The radiological spectrum of invasive aspergillosis in children: a 10-year review. Pediatric Radiology. 33(7). 453–460. 100 indexed citations

20.

Salkowski, C A, Karen E. Thomas, Michael J. Cody, & Stefanie N. Vogel. (2000). Impaired IFN-γ Production in IFN Regulatory Factor-1 Knockout Mice During Endotoxemia Is Secondary to a Loss of Both IL-12 and IL-12 Receptor Expression. The Journal of Immunology. 165(7). 3970–3977. 39 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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