Simon Nennstiel

1.0k total citations
30 papers, 493 citations indexed

About

Simon Nennstiel is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, Simon Nennstiel has authored 30 papers receiving a total of 493 indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Surgery, 15 papers in Pulmonary and Respiratory Medicine and 10 papers in Gastroenterology. Recurrent topics in Simon Nennstiel's work include Gallbladder and Bile Duct Disorders (9 papers), Gastroesophageal reflux and treatments (6 papers) and Eosinophilic Esophagitis (6 papers). Simon Nennstiel is often cited by papers focused on Gallbladder and Bile Duct Disorders (9 papers), Gastroesophageal reflux and treatments (6 papers) and Eosinophilic Esophagitis (6 papers). Simon Nennstiel collaborates with scholars based in Germany, Switzerland and Egypt. Simon Nennstiel's co-authors include Roland M. Schmid, Christoph Schlag, Bruno Neu, Bernhard Haller, Andreas Weber, Monther Bajbouj, Alexander Meining, Valentin Becker, Roland M. Schmid and Stefan von Delius and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and The American Journal of Gastroenterology.

In The Last Decade

Simon Nennstiel

25 papers receiving 487 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Simon Nennstiel Germany 14 410 241 139 128 90 30 493
Kwangwoo Nam South Korea 12 305 0.7× 154 0.6× 139 1.0× 111 0.9× 58 0.6× 40 417
Jennifer L. Horsley‐Silva United States 12 215 0.5× 81 0.3× 34 0.2× 103 0.8× 35 0.4× 42 327
David Storey Australia 9 441 1.1× 146 0.6× 35 0.3× 330 2.6× 14 0.2× 27 586
Mahendran Jayaraj United States 16 533 1.3× 488 2.0× 301 2.2× 53 0.4× 6 0.1× 38 666
Fahad Alsohaibani Saudi Arabia 12 203 0.5× 96 0.4× 88 0.6× 97 0.8× 6 0.1× 36 352
Gayle Randall United States 10 509 1.2× 249 1.0× 42 0.3× 330 2.6× 46 0.5× 18 640
S. Hervé France 11 254 0.6× 84 0.3× 32 0.2× 211 1.6× 25 0.3× 18 380
Noel Salgado‐Nesme Mexico 10 285 0.7× 106 0.4× 160 1.2× 29 0.2× 15 0.2× 35 397
Hironobu Goto Japan 11 350 0.9× 290 1.2× 97 0.7× 73 0.6× 4 0.0× 86 478
Simona Capodicasa Italy 8 360 0.9× 281 1.2× 40 0.3× 72 0.6× 14 0.2× 10 501

Countries citing papers authored by Simon Nennstiel

Since Specialization
Citations

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

Fields of papers citing papers by Simon Nennstiel

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Simon Nennstiel

This figure shows the co-authorship network connecting the top 25 collaborators of Simon Nennstiel. A scholar is included among the top collaborators of Simon Nennstiel 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 Simon Nennstiel. Simon Nennstiel 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.
Ramser, Michaela, Simon Nennstiel, Matteo Mueller, Christoph Schlag, & Matthias Turina. (2025). Vacuum-assisted self-expanding stents in colorectal surgery: early experiences with a novel tool. Surgical Endoscopy. 39(11). 7356–7365.
2.
Nennstiel, Simon, et al.. (2025). Motorized spiral enteroscopy assisted endoscopic retrograde cholangiography in patients with Roux-en-Y-anatomy. World Journal of Gastrointestinal Endoscopy. 17(8). 102787–102787.
3.
Biedermann, Luc, Thomas Greuter, Alain Schoepfer, et al.. (2024). Sa1261 ELEVATED MUCOSAL ALTERATIONS (EMA) – A NOVEL ENDOSCOPIC SIGN OF EOSINOPHILIC ESOPHAGITIS (EOE). Gastroenterology. 166(5). S–404.
4.
Herner, Alexander, Simon Nennstiel, Michaela Ramser, Matthias Turina, & Christoph Schlag. (2024). New therapeutic approach for anastomotic leaks after ileoanal J-pouch construction in patients with ulcerative colitis. Gastrointestinal Endoscopy. 101(1). 222–223. 1 indexed citations
5.
Murray, Fritz Ruprecht, Thomas Greuter, Simon Nennstiel, et al.. (2022). Diagnostic Delay in Patients With Eosinophilic Esophagitis Has Not Changed Since the First Description 30 Years Ago: Diagnostic Delay in Eosinophilic Esophagitis. The American Journal of Gastroenterology. 117(11). 1772–1779. 37 indexed citations
6.
Nennstiel, Simon, Christoph Schlag, Bernhard Haller, et al.. (2021). Endoscopic and percutaneous biliary interventions in patients with altered upper gastrointestinal anatomy—the Munich Multicenter Experience. Surgical Endoscopy. 35(12). 6853–6864. 8 indexed citations
7.
Nennstiel, Simon & Christoph Schlag. (2020). Treatment of eosinophlic esophagitis with swallowed topical corticosteroids. World Journal of Gastroenterology. 26(36). 5395–5407. 19 indexed citations
8.
Thoeringer, Christoph K., et al.. (2018). Sorbitol malabsorption in patients with abdominal discomfort. Minerva Gastroenterology. 64(2). 117–123. 1 indexed citations
9.
Nennstiel, Simon, Matthias Treiber, Bernhard Haller, et al.. (2018). Comparison of Ultrasound and Fluoroscopically Guided Percutaneous Transhepatic Biliary Drainage. Digestive Diseases. 37(1). 77–86. 15 indexed citations
10.
Nennstiel, Simon, Bruno Neu, Hana Algül, et al.. (2018). Management of occluded self-expanding biliary metal stents in malignant biliary disease. Hepatobiliary & pancreatic diseases international. 17(1). 49–54. 7 indexed citations
11.
Neu, Bruno, Simon Nennstiel, Stefan von Delius, et al.. (2017). Endoscopic rendez-vous reconstruction of complete biliary obstruction. Digestive and Liver Disease. 49(7). 769–772. 2 indexed citations
12.
Nennstiel, Simon, Stefan von Delius, Bruno Neu, et al.. (2017). Predictors and characteristics of angioectasias in patients with obscure gastrointestinal bleeding identified by video capsule endoscopy. United European Gastroenterology Journal. 5(8). 1129–1135. 21 indexed citations
13.
Schneider, Jochen, Alexander Hapfelmeier, Andreas Obermeier, et al.. (2016). Mortality Risk for Acute Cholangitis (MAC): a risk prediction model for in-hospital mortality in patients with acute cholangitis. BMC Gastroenterology. 16(1). 15–15. 33 indexed citations
14.
Becker, Valentin, Daniel Ostler, Hubertus Feußner, et al.. (2016). Esophageal bougination: a novel ex vivo endoscopic training model correlated with clinical data. Surgical Endoscopy. 31(6). 2566–2572. 1 indexed citations
15.
Becker, Valentin, Simone Graf, Christoph Schlag, et al.. (2015). New aspects in the pathomechanism and diagnosis of the laryngopharyngeal reflux-clinical impact of laryngeal proton pumps and pharyngeal pH metry in extraesophageal gastroesophageal reflux disease. World Journal of Gastroenterology. 21(3). 982–982. 16 indexed citations
16.
Nennstiel, Simon, Monther Bajbouj, Roland M. Schmid, & Valentin Becker. (2014). Prucalopride reduces the number of reflux episodes and improves subjective symptoms in gastroesophageal reflux disease: a case series. Journal of Medical Case Reports. 8(1). 34–34. 18 indexed citations
17.
Saugel, Bernd, Sebastian Mair, Agnes S. Meidert, et al.. (2014). The effects of transjugular intrahepatic portosystemic stent shunt on systemic cardiocirculatory parameters. Journal of Critical Care. 29(6). 1001–1005. 13 indexed citations
18.
Nennstiel, Simon, Andreas Weber, Bernhard Haller, et al.. (2014). Drainage-related Complications in Percutaneous Transhepatic Biliary Drainage. Journal of Clinical Gastroenterology. 49(9). 764–770. 132 indexed citations
19.
Lahmer, Tobias, Marlena Messer, Ulrich Mayr, et al.. (2014). Fungal “colonisation” is Associated with Increased Mortality in Medical Intensive Care Unit Patients with Liver Cirrhosis. Mycopathologia. 179(1-2). 63–71. 22 indexed citations
20.
Nennstiel, Simon, Christoph Schlag, Valentin Becker, et al.. (2014). Small Bowel Pleomorphic Liposarcoma: A Rare Cause of Gastrointestinal Bleeding. SHILAP Revista de lepidopterología. 2014. 1–4. 7 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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