Ranjan Sudan

3.4k total citations
92 papers, 2.1k citations indexed

About

Ranjan Sudan is a scholar working on Surgery, Public Health, Environmental and Occupational Health and Gender Studies. According to data from OpenAlex, Ranjan Sudan has authored 92 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 65 papers in Surgery, 25 papers in Public Health, Environmental and Occupational Health and 16 papers in Gender Studies. Recurrent topics in Ranjan Sudan's work include Bariatric Surgery and Outcomes (36 papers), Diversity and Career in Medicine (16 papers) and Innovations in Medical Education (16 papers). Ranjan Sudan is often cited by papers focused on Bariatric Surgery and Outcomes (36 papers), Diversity and Career in Medicine (16 papers) and Innovations in Medical Education (16 papers). Ranjan Sudan collaborates with scholars based in United States, Mexico and Canada. Ranjan Sudan's co-authors include John M. Morton, Jaime Ponce, Ninh T. Nguyen, Matthew M. Hutter, Karim Alavi, Andreas M. Kaiser, Liliana Bordeianou, Paul E. Wise, Debra L. Sudan and Jon S. Thompson and has published in prestigious journals such as Gastroenterology, Hepatology and Annals of Surgery.

In The Last Decade

Ranjan Sudan

84 papers receiving 2.1k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ranjan Sudan United States 25 1.6k 301 270 218 200 92 2.1k
Andrew J. Duffy United States 31 2.0k 1.2× 443 1.5× 606 2.2× 140 0.6× 298 1.5× 118 3.2k
Timothy M. Farrell United States 30 1.9k 1.2× 244 0.8× 472 1.7× 111 0.5× 143 0.7× 119 2.8k
Dena J. Fischer United States 24 711 0.4× 292 1.0× 355 1.3× 185 0.8× 49 0.2× 39 1.7k
Dag Arvidsson Sweden 22 1.8k 1.1× 322 1.1× 764 2.8× 401 1.8× 452 2.3× 53 2.4k
James I. Huddleston United States 36 3.4k 2.1× 126 0.4× 71 0.3× 110 0.5× 183 0.9× 176 4.3k
C. Prakash Gyawali United States 46 7.7k 4.8× 331 1.1× 1.1k 3.9× 265 1.2× 117 0.6× 284 9.1k
Robert S. Zimmerman United States 24 564 0.4× 375 1.2× 197 0.7× 58 0.3× 174 0.9× 75 2.5k
Nigel Trudgill United Kingdom 23 1.8k 1.1× 215 0.7× 696 2.6× 376 1.7× 24 0.1× 125 2.7k
Craig Paterson United States 22 700 0.4× 319 1.1× 102 0.4× 110 0.5× 23 0.1× 102 1.9k
Patricia Byers United States 24 756 0.5× 244 0.8× 379 1.4× 69 0.3× 43 0.2× 58 2.0k

Countries citing papers authored by Ranjan Sudan

Since Specialization
Citations

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

Fields of papers citing papers by Ranjan Sudan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ranjan Sudan

This figure shows the co-authorship network connecting the top 25 collaborators of Ranjan Sudan. A scholar is included among the top collaborators of Ranjan Sudan 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 Ranjan Sudan. Ranjan Sudan 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
1.
Brar, Karanbir, Ranjan Sudan, Dana Portenier, et al.. (2025). Postoperative outcomes following revision or conversion surgery after primary sleeve gastrectomy: an analysis of the MBSAQIP database. Surgery for Obesity and Related Diseases. 21(8). 956–964.
2.
Alseidi, Adnan, Andrew Dennis, Abbey Fingeret, et al.. (2024). Surgery and Surgical Training Before Graduate Medical Education. Annals of Surgery. 281(1). 7–10.
3.
Iwai, Yoshiko, Alice Yunzi L. Yu, Samantha M. Thomas, et al.. (2023). Survey Study of Clerkship Curriculum on Learner's Choice to Pursue Surgery: Positive Impact of Extracurricular Opportunities. Journal of surgical education. 80(9). 1221–1230. 1 indexed citations
4.
Bardaro, Sergio, Alfredo D. Guerrón, John Romanelli, et al.. (2023). Gastroparesis: an evidence-based review for the bariatric and foregut surgeon. Surgery for Obesity and Related Diseases. 19(5). 403–420. 3 indexed citations
5.
Stefanidis, Dimitrios, et al.. (2019). Development of ASMBS research agenda for bariatric surgery using the Delphi methodology. Surgery for Obesity and Related Diseases. 15(9). 1563–1569. 3 indexed citations
6.
Leraas, Harold J., Morgan L. Cox, Kristen E. Rhodin, et al.. (2019). Medical Student Involvement and Learning Objectives in Morbidity and Mortality Conferences: A National Survey of the Association for Surgical Education's Committee of Clerkship Directors. Journal of surgical education. 77(1). 138–143. 1 indexed citations
7.
Moris, Dimitrios, Diamantis I. Tsilimigras, Babatunde A. Yerokun, et al.. (2019). Foramen of Winslow Hernia: a Review of the Literature Highlighting the Role of Laparoscopy. Journal of Gastrointestinal Surgery. 23(10). 2093–2099. 26 indexed citations
8.
Sudan, Ranjan, Lindsey A. Olivere, Michael S. Nussbaum, & Gary L. Dunnington. (2018). The business of educating the next generation of surgeons. The American Journal of Surgery. 217(2). 205–208. 1 indexed citations
9.
Cox, Morgan L., Donald A. Risucci, Brian F. Gilmore, et al.. (2018). Validation of the Omni: A Novel, Multimodality, and Longitudinal Surgical Skills Assessment. Journal of surgical education. 75(6). e218–e228. 4 indexed citations
10.
Sudan, Ranjan, et al.. (2018). Tailoring Bariatric Surgery: Sleeve Gastrectomy, Roux-en-Y Gastric Bypass and Biliopancreatic Diversion with Duodenal Switch. Journal of Laparoendoscopic & Advanced Surgical Techniques. 28(8). 956–961. 19 indexed citations
11.
Geske, Jenenne, et al.. (2016). Biliopancreatic Diversion Revisited: Health-Related Quality of Life Outcomes of Biliary Pancreatic with Duodenal Switch. Bariatric Surgical Practice and Patient Care. 11(1). 3–5. 1 indexed citations
12.
Ponce, Jaime, Ninh T. Nguyen, Matthew M. Hutter, Ranjan Sudan, & John M. Morton. (2015). American Society for Metabolic and Bariatric Surgery estimation of bariatric surgery procedures in the United States, 2011-2014. Surgery for Obesity and Related Diseases. 11(6). 1199–1200. 145 indexed citations
13.
Sudan, Ranjan, et al.. (2014). Cost and logistics for implementing the American College of Surgeons objective structured clinical examination. The American Journal of Surgery. 209(1). 140–144. 10 indexed citations
14.
Minter, Rebecca M., et al.. (2014). Can This Resident Be Saved? Identification and Early Intervention for Struggling Residents. Journal of the American College of Surgeons. 219(5). 1088–1095. 12 indexed citations
15.
16.
Sudan, Ranjan, Kyla M. Bennett, Danny O. Jacobs, & Debra L. Sudan. (2012). Multifactorial Analysis of the Learning Curve for Robot-Assisted Laparoscopic Biliopancreatic Diversion With Duodenal Switch. Annals of Surgery. 255(5). 940–945. 41 indexed citations
17.
Lunsford, Keri E. & Ranjan Sudan. (2011). Small Bowel Perforation by a Clinically Unsuspected Fish Bone: Laparoscopic Treatment and Review of Literature. Journal of Gastrointestinal Surgery. 16(1). 218–222. 15 indexed citations
18.
Puri, Varun, et al.. (2008). Experience with the Duodenal Switch Operation in the Presence of Intestinal Malrotation. Obesity Surgery. 18(5). 615–617. 7 indexed citations
19.
Sudan, Ranjan, et al.. (2008). Delayed Rupture of a Splenic Artery Pseudoaneurysm After Biliopancreatic Diversion. Obesity Surgery. 18(7). 890–892. 8 indexed citations
20.
Sudan, Debra L., et al.. (1998). Without victory there is no survival: Transarterial lipiodol chemoembolization and hepatocellular carcinoma. Hepatology. 28(1). 270–271. 4 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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