Klaus Haag

1.7k total citations · 1 hit paper
11 papers, 1.3k citations indexed

About

Klaus Haag is a scholar working on Epidemiology, Hepatology and Surgery. According to data from OpenAlex, Klaus Haag has authored 11 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Epidemiology, 8 papers in Hepatology and 7 papers in Surgery. Recurrent topics in Klaus Haag's work include Liver Disease and Transplantation (8 papers), Liver Disease Diagnosis and Treatment (7 papers) and Organ Transplantation Techniques and Outcomes (6 papers). Klaus Haag is often cited by papers focused on Liver Disease and Transplantation (8 papers), Liver Disease Diagnosis and Treatment (7 papers) and Organ Transplantation Techniques and Outcomes (6 papers). Klaus Haag collaborates with scholars based in Germany, Italy and United States. Klaus Haag's co-authors include Martin Rössle, Andreas Ochs, Karlheinz Hauenstein, É. Berger, V. Siegerstetter, G Nöldge, Andreas Gabelmann, W. Gerok, U. Blum and M. Sellinger and has published in prestigious journals such as New England Journal of Medicine, Gastroenterology and Hepatology.

In The Last Decade

Klaus Haag

11 papers receiving 1.2k 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.

The Transjugular Intrahepatic Portosystemic Stent-Shunt Procedure for Variceal Bleeding

1994 567 citations Martin Rössle, Klaus Haag et al. New England Journal of Medicine profile →

Peers

Klaus Haag

HEPAT

EPIDE

SURGE

PRM

CR

Sebastiano Siringo Italy

Shoichi Matsutani Japan

Rafael López‐Andújar Spain

D N Redhead United Kingdom

Giuseppe Tarantino Italy

Sophie Hillaire France

Yohei Koizumi Japan

Norifumi Tsutsumi Japan

Shoji Hiroshige Japan

Giovanni Varotti Italy

Sebastiano Siringo Italy

Klaus Haag

1.2k ×1.1

HEPAT

1.1k ×1.2

EPIDE

454 ×0.5

SURGE

103 ×1.1

PRM

41 ×0.5

CR

Citations per year, relative to Klaus Haag Klaus Haag (= 1×) peers Sebastiano Siringo

Countries citing papers authored by Klaus Haag

Since Specialization

Citations

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

Fields of papers citing papers by Klaus Haag

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Klaus Haag

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

All Works

Sort: Min cites: Since: Top N: Style:

11 of 11 papers shown

1.

Haag, Klaus, et al.. (2015). Correlation filter based visual trackers for person pursuit using a low-cost Quadrotor. 1–8. 13 indexed citations

2.

Gülberg, Veit, Klaus Haag, Martin Rössle, & Alexander L. Gerbes. (2002). Hepatic arterial buffer response in patients with advanced cirrhosis. Hepatology. 35(3). 630–634. 117 indexed citations

3.

Rössle, Martin, V. Siegerstetter, Manfred Olschewski, et al.. (2001). How much reduction in portal pressure is necessary to prevent variceal rebleeding? a longitudinal study in 225 patients with transjugular intrahepatic portosystemic shunts. The American Journal of Gastroenterology. 96(12). 3379–3383. 70 indexed citations

4.

Huber, Michael, Martin Rössle, V. Siegerstetter, et al.. (2001). Helicobacter pylori infection does not correlate with plasma ammonia concentration and hepatic encephalopathy in patients with cirrhosis.. PubMed. 48(38). 541–4. 14 indexed citations

5.

Ochs, Andreas, Martin Rössle, Klaus Haag, et al.. (1995). The Transjugular Intrahepatic Portosystemic Stent–Shunt Procedure for Refractory Ascites. New England Journal of Medicine. 332(18). 1192–1197. 319 indexed citations

6.

Rössle, Martin, Klaus Haag, Andreas Ochs, et al.. (1994). The Transjugular Intrahepatic Portosystemic Stent-Shunt Procedure for Variceal Bleeding. New England Journal of Medicine. 330(3). 165–171. 567 indexed citations breakdown →

7.

Haag, Klaus & Andreas Ochs. (1993). Transjugular intrahepatic portosystemic stent-shunt in the treatment of portal hypertension. Current Opinion in Gastroenterology. 9(3). 435–440. 5 indexed citations

8.

Rössle, Martin & Klaus Haag. (1992). Interventional Treatment of Portal Hypertension. Digestive Diseases. 10(1). 94–102. 7 indexed citations

9.

Rössle, Martin, Götz M. Richter, G Nöldge, et al.. (1992). Transjugular Intrahepatic Portosystemic Stent Shunt: A 2-Year Follow-Up. Digestive Surgery. 9(1). 6–12. 8 indexed citations

10.

Neumann, Hartmut P.H., Ernst Dinkel, Hans‐Jürgen Brambs, et al.. (1991). Pancreatic lesions in the von Hippel-Lindau syndrome. Gastroenterology. 101(2). 465–471. 153 indexed citations

11.

Neumann, Hartmut P.H., Klaus Zerres, G. Wolff, et al.. (1988). Late Manifestation of Autosomal-Recessive Polycystic Kidney Disease in Two Sisters. American Journal of Nephrology. 8(3). 194–197. 11 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.

Explore authors with similar magnitude of impact