N. Hoepffner

1.8k total citations · 1 hit paper
34 papers, 1.4k citations indexed

About

N. Hoepffner is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, N. Hoepffner has authored 34 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Surgery, 15 papers in Pulmonary and Respiratory Medicine and 12 papers in Oncology. Recurrent topics in N. Hoepffner's work include Colorectal Cancer Screening and Detection (9 papers), Esophageal and GI Pathology (7 papers) and Gastric Cancer Management and Outcomes (7 papers). N. Hoepffner is often cited by papers focused on Colorectal Cancer Screening and Detection (9 papers), Esophageal and GI Pathology (7 papers) and Gastric Cancer Management and Outcomes (7 papers). N. Hoepffner collaborates with scholars based in Germany, United States and Netherlands. N. Hoepffner's co-authors include Dariusz Stramski, Grigor Obolensky, Annick Bricaud, Hervé Claustre, Marcel Babin, Wolfram Domschke, Thomas Rösch, Jürgen M. Stein, E. C. Foerster and Wolfgang Rösch and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, The American Journal of Gastroenterology and World Journal of Gastroenterology.

In The Last Decade

N. Hoepffner

33 papers receiving 1.3k 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.

Variations in the light absorption coefficients of phytoplankton, nonalgal particles, and dissolved organic matter in coastal waters around Europe

2003 773 citations N. Hoepffner et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
N. Hoepffner Germany	14	722	357	275	268	239	34	1.4k
Peter Mueller United States	23	99 0.1×	578 1.6×	455 1.7×	289 1.1×	34 0.1×	79	1.6k
Dianchang Wang China	13	27 0.0×	138 0.4×	227 0.8×	41 0.2×	60 0.3×	51	617
D. Uhlmann Germany	18	118 0.2×	155 0.4×	57 0.2×	54 0.2×	117 0.5×	70	789
Matthew R. First United States	25	273 0.4×	267 0.7×	124 0.5×	83 0.3×	15 0.1×	78	1.6k
Foad Yousef United States	13	107 0.1×	481 1.3×	350 1.3×	31 0.1×	4 0.0×	18	987
Richard B. Williams United States	14	315 0.4×	161 0.5×	129 0.5×	168 0.6×	8 0.0×	27	1.4k
Sean E. McLean United States	15	145 0.2×	261 0.7×	225 0.8×	21 0.1×	63 0.3×	67	1.0k
Jieqiong Zhou China	20	121 0.2×	161 0.5×	68 0.2×	92 0.3×	2 0.0×	67	1.2k
Ikuo Takeda Japan	13	16 0.0×	136 0.4×	55 0.2×	133 0.5×	88 0.4×	76	1.0k
Richard J. Stewart United Kingdom	23	10 0.0×	377 1.1×	172 0.6×	122 0.5×	26 0.1×	80	1.8k

Countries citing papers authored by N. Hoepffner

Since Specialization

Citations

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

Fields of papers citing papers by N. Hoepffner

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of N. Hoepffner

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

Groth, Stefan, Douglas K. Rex, Thomas Rösch, & N. Hoepffner. (2011). High Cecal Intubation Rates With a New Computer-Assisted Colonoscope: A Feasibility Study. The American Journal of Gastroenterology. 106(6). 1075–1080. 40 indexed citations

Rösch, Thomas, Andreas Adler, Heiko Pohl, et al.. (2008). A motor-driven single-use colonoscope controlled with a hand-held device: a feasibility study in volunteers. Gastrointestinal Endoscopy. 67(7). 1139–1146. 70 indexed citations

Shastri, Yogesh M., et al.. (2008). New introducer PEG gastropexy does not require prophylactic antibiotics: multicenter prospective randomized double-blind placebo-controlled study. Gastrointestinal Endoscopy. 67(4). 620–628. 46 indexed citations

Shastri, Yogesh M., Stefan Loitsch, N. Hoepffner, et al.. (2008). Comparison of an Established Simple Office-Based Immunological FOBT With Fecal Tumor Pyruvate Kinase Type M2 (M2-PK) for Colorectal Cancer Screening: Prospective Multicenter Study. The American Journal of Gastroenterology. 103(6). 1496–1504. 41 indexed citations

Shastri, Yogesh M., N. Hoepffner, Bora Akoglu, et al.. (2007). Liver biochemistry profile, significance and endoscopic management of biliary tract complications post orthotopic liver transplantation. World Journal of Gastroenterology. 13(20). 2819–2819. 15 indexed citations

Ciuleanu, Tudor–Eliade, Mircea Diculescu, N. Hoepffner, et al.. (2007). A randomised phase II study of OSI-7904L versus 5-fluorouracil (FU)/leucovorin (LV) as first-line treatment in patients with advanced biliary cancers. Investigational New Drugs. 25(4). 385–390. 6 indexed citations

Hoepffner, N., E. Hanisch, Wolfgang Rösch, et al.. (2005). Comparative evaluation of a new bedside faecal occult blood test in a prospective multicentre study. Alimentary Pharmacology & Therapeutics. 23(1). 145–154. 25 indexed citations

Trojan, Jörg, Sabine Mousset, W. F. Caspary, & N. Hoepffner. (2005). An infected esophageal duplication cyst in a patient with non-Hodgkin’s lymphoma mimicking persistent disease. Diseases of the Esophagus. 18(4). 287–289. 8 indexed citations

Schneider, A, Heike Seifert, Jörg Trojan, Judith Stein, & N. Hoepffner. (2005). Frequency of Colorectal Polyps in Patients with Sporadic Adenomas or Adenocarcinomas of the Papilla of Vater - An Age-Matched, Controlled Study. Zeitschrift für Gastroenterologie. 43(10). 1123–1127. 13 indexed citations

10.

Abou‐Rebyeh, Hassan, N. Hoepffner, Thomas Rösch, et al.. (2005). Long-Term Failure of Endoscopic Suturing in the Treatment of Gastroesophageal Reflux: A Prospective Follow-Up Study. Endoscopy. 37(3). 213–216. 40 indexed citations

11.

Hoepffner, N., et al.. (2004). Enteral Nutrition by Endoscopic Means; I. Techniques, Indications, Types of Enteral Feed. Zeitschrift für Gastroenterologie. 42(12). 1385–1392. 6 indexed citations

12.

Luboldt, Wolfgang, A Wetter, N. Hoepffner, et al.. (2004). Phase- and size-adjusted CT cut-off for differentiating neoplastic lesions from normal colon in contrast-enhanced CT colonography. European Radiology. 14(12). 2228–2235. 6 indexed citations

13.

Luboldt, Wolfgang, N. Hoepffner, & Katharina Holzer. (2003). Multidetector CT of the colon. European Radiology. 13(S5). 50–70. 4 indexed citations

14.

Schneider, A, N. Hoepffner, Wolfgang Rösch, & W. F. Caspary. (2003). Aspiration of an M2A Capsule. Endoscopy. 35(8). 713–713. 30 indexed citations

15.

Luboldt, Wolfgang, N. Hoepffner, Katharina Holzer, et al.. (2003). Früherkennung von kolorektalen Tumoren: CT oder MRT?. Der Radiologe. 43(2). 136–150. 6 indexed citations

16.

Hoepffner, N., et al.. (2003). Wertigkeit der Endosonographie im diagnostischen Staging primärer Magenlymphome. Medizinische Klinik. 98(6). 313–317. 2 indexed citations

17.

Menzel, Josef, N. Hoepffner, U. Sulkowski, et al.. (1999). Polypoid tumors of the major duodenal papilla: preoperative staging with intraductal US, EUS, and CT — a prospective, histopathologically controlled study. Gastrointestinal Endoscopy. 49(3). 349–357. 98 indexed citations

18.

Hoepffner, N., et al.. (1995). Severe Complications Arising from Oesophageal Varix Ligation with the Stiegmann-Goff Set. Endoscopy. 27(4). 345–345. 13 indexed citations

19.

Hoepffner, N., et al.. (1994). Long-Term Experience in Wallstent Therapy for Malignant Choledochal Stenosis. Endoscopy. 26(7). 597–602. 38 indexed citations

20.

Foerster, E. C., N. Hoepffner, & Wolfram Domschke. (1991). Bridging of Benign Choledochal Stenoses by Endoscopic Retrograde Implantation of Mesh Stents. Endoscopy. 23(3). 133–135. 15 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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