Krish Ragunath

15.7k total citations · 2 hit papers
204 papers, 7.0k citations indexed

About

Krish Ragunath is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, Krish Ragunath has authored 204 papers receiving a total of 7.0k indexed citations (citations by other indexed papers that have themselves been cited), including 160 papers in Surgery, 120 papers in Pulmonary and Respiratory Medicine and 56 papers in Gastroenterology. Recurrent topics in Krish Ragunath's work include Gastric Cancer Management and Outcomes (110 papers), Esophageal Cancer Research and Treatment (107 papers) and Esophageal and GI Pathology (75 papers). Krish Ragunath is often cited by papers focused on Gastric Cancer Management and Outcomes (110 papers), Esophageal Cancer Research and Treatment (107 papers) and Esophageal and GI Pathology (75 papers). Krish Ragunath collaborates with scholars based in United Kingdom, United States and Netherlands. Krish Ragunath's co-authors include Jayan Mannath, Kenshi Yao, Venkataraman Subramanian, G. Anagnostopoulos, Jacques Bergman, Philip Kaye, Christopher J. Hawkey, Massimiliano di Pietro, P Kaye and Rajvinder Singh and has published in prestigious journals such as JAMA, Journal of Clinical Oncology and SHILAP Revista de lepidopterología.

In The Last Decade

Krish Ragunath

191 papers receiving 6.8k citations

Hit Papers

Radiofrequency Ablation vs Endoscopic Surveillance for Pa... 2014 2026 2018 2022 2014 2019 100 200 300 400
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.

  1. Radiofrequency Ablation vs Endoscopic Surveillance for Patients With Barrett Esophagus and Low-Grade Dysplasia
    2014 417 citations Krish Ragunath, Massimiliano di Pietro et al. profile →
  2. British Society of Gastroenterology guidelines on the diagnosis and management of patients at risk of gastric adenocarcinoma
    2019 382 citations Massimiliano di Pietro, Pradeep Bhandari et al. Gut profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Krish Ragunath United Kingdom 45 5.1k 4.2k 1.6k 1.6k 709 204 7.0k
Hwoon‐Yong Jung South Korea 44 4.9k 1.0× 4.6k 1.1× 972 0.6× 2.3k 1.5× 275 0.4× 390 7.6k
Toshio Uraoka Japan 42 2.9k 0.6× 5.2k 1.2× 3.2k 2.0× 2.4k 1.6× 267 0.4× 279 7.1k
Kenshi Yao Japan 38 3.7k 0.7× 4.0k 0.9× 1.0k 0.6× 1.5k 1.0× 374 0.5× 174 5.4k
Gwang Ha Kim South Korea 41 3.4k 0.7× 3.1k 0.7× 1.2k 0.7× 1.9k 1.2× 142 0.2× 348 5.7k
Charles J. Lightdale United States 54 7.3k 1.4× 5.8k 1.4× 2.3k 1.4× 2.2k 1.4× 187 0.3× 248 9.6k
Frank P. Vleggaar Netherlands 42 4.6k 0.9× 3.7k 0.9× 2.1k 1.3× 409 0.3× 615 0.9× 160 7.0k
James E. East United Kingdom 46 2.6k 0.5× 3.4k 0.8× 4.4k 2.7× 927 0.6× 1.5k 2.1× 177 7.1k
Jeong‐Sik Byeon South Korea 38 2.0k 0.4× 1.6k 0.4× 1.7k 1.1× 839 0.5× 1.2k 1.7× 291 4.8k
Bryan G. Sauer United States 28 2.6k 0.5× 1.7k 0.4× 1.7k 1.1× 379 0.2× 851 1.2× 103 4.2k
Shotaro Nakamura Japan 34 2.2k 0.4× 1.6k 0.4× 851 0.5× 1.1k 0.7× 513 0.7× 194 4.1k

Countries citing papers authored by Krish Ragunath

Since Specialization
Citations

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

Fields of papers citing papers by Krish Ragunath

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Krish Ragunath

This figure shows the co-authorship network connecting the top 25 collaborators of Krish Ragunath. A scholar is included among the top collaborators of Krish Ragunath 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 Krish Ragunath. Krish Ragunath is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
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Casari, Ilaria, Janina E. E. Tirnitz‐Parker, Fergal O’Gara, et al.. (2025). Cannabidiol Is Associated with Improved Survival in Pancreatic Cancer and Modulation of Bile Acids and Gut Microbiota. International Journal of Molecular Sciences. 26(16). 7733–7733. 1 indexed citations
3.
Menon, Shyam, Richard Norman, Prasad G. Iyer, & Krish Ragunath. (2024). Stratification of Barrett’s esophagus surveillance based on p53 immunohistochemistry: a cost-effectiveness analysis by an international collaborative group. Endoscopy. 56(10). 727–736. 1 indexed citations
4.
Inoue, Madoka & Krish Ragunath. (2023). Quality indicators in Barrett's endoscopy: Best is yet to come. Digestive Endoscopy. 36(3). 265–273. 2 indexed citations
5.
Peerally, Mohammad Farhad, Clare Jackson, Pradeep Bhandari, et al.. (2023). Factors influencing participation in randomised clinical trials among patients with early Barrett’s neoplasia: a multicentre interview study. BMJ Open. 13(1). e064117–e064117.
6.
Hodges, Samantha, et al.. (2023). Prevalence of gastrointestinal malignancy in non‐anemic iron deficiency and significance for endoscopic screening: A Western Australian multicenter cohort study. Journal of Gastroenterology and Hepatology. 38(9). 1530–1534. 2 indexed citations
7.
Venugopal, Kannan, et al.. (2023). Adherence to endoscopic surveillance guidelines for patients with inflammatory bowel disease: An Australian cohort study. Journal of Gastroenterology and Hepatology. 39(3). 506–511. 2 indexed citations
8.
Menon, Shyam, Richard Norman, Jayan Mannath, Prasad G. Iyer, & Krish Ragunath. (2022). Comparative cost-effectiveness of three post-radiofrequency ablation surveillance intervals for Barrett’s esophagus. SHILAP Revista de lepidopterología. 10(8). E1053–E1064. 4 indexed citations
9.
Hadjinicolaou, Andreas V., Sanne N. van Munster, Achilleas Achilleos, et al.. (2020). Aneuploidy in targeted endoscopic biopsies outperforms other tissue biomarkers in the prediction of histologic progression of Barrett's oesophagus: A multi-centre prospective cohort study. EBioMedicine. 56. 102765–102765. 19 indexed citations
10.
Parra‐Blanco, Adolfo, et al.. (2019). PTU-081 Enhancing efficiency in endoscopy unit using the ‘time and motion’ model. A231.2–A232. 1 indexed citations
11.
Kaye, Philip, Daniel Lindsay, Srinivasan Madhusudan, et al.. (2018). Upper GI biopsies for adenocarcinoma – how many biopsies should endoscopists take?. Histopathology. 74(6). 959–963. 5 indexed citations
12.
Ragunath, Krish, Colin Rees, Cyriel Y. Ponsioen, et al.. (2018). Diagnostic accuracy of Endoscopic Trimodal Imaging and Chromoendoscopy for lesion characterisation in ulcerative colitis surveillance: ETMI or chromoendoscopy for lesion characterisation in colitis.. 1 indexed citations
13.
Beg, Sabina, Lavandan Jegatheeswaran, Stefano Sansone, & Krish Ragunath. (2017). PWE-028 Polyps seen but not removed during index colonoscopy: an unexplored inefficiency in endoscopy practice. HighWire Press Open Archive. A139.1–A139. 1 indexed citations
14.
Ragunath, Krish, et al.. (2017). PWE-116 Progression of barrett’s oesophagus with low-grade dysplasia and indefinite for dysplasia. HighWire Press Open Archive. A185.1–A185. 1 indexed citations
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Liu, Xinxue, Maria O’Donovan, Richard Newton, et al.. (2012). DNA Methylation as an Adjunct to Histopathology to Detect Prevalent, Inconspicuous Dysplasia and Early-Stage Neoplasia in Barrett's Esophagus. Clinical Cancer Research. 19(4). 878–888. 59 indexed citations
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Mannath, Jayan, et al.. (2011). * Reducing capsule endoscopy reading times: efficacy of new playback functions. Gut. 60(Suppl 1). A93.2–A94. 1 indexed citations
20.
Debiram, I., Maria O’Donovan, Susan Richardson, et al.. (2011). Trimodal imaging to identify microscopic foci of signet ring cells in hereditary diffuse gastric cancer: Table 1. Gut. 60(Suppl 1). A192.2–A193. 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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