Joachim Laas

1.7k total citations · 1 hit paper
17 papers, 1.1k citations indexed

About

Joachim Laas is a scholar working on Cardiology and Cardiovascular Medicine, Pulmonary and Respiratory Medicine and Surgery. According to data from OpenAlex, Joachim Laas has authored 17 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Cardiology and Cardiovascular Medicine, 7 papers in Pulmonary and Respiratory Medicine and 5 papers in Surgery. Recurrent topics in Joachim Laas's work include Cardiac Valve Diseases and Treatments (9 papers), Aortic Disease and Treatment Approaches (7 papers) and Aortic aneurysm repair treatments (4 papers). Joachim Laas is often cited by papers focused on Cardiac Valve Diseases and Treatments (9 papers), Aortic Disease and Treatment Approaches (7 papers) and Aortic aneurysm repair treatments (4 papers). Joachim Laas collaborates with scholars based in Germany, United States and Denmark. Joachim Laas's co-authors include Dirk Hausmann, Andreas Mügge, Randolph P. Martin, P. R. Lichtlen, Hans G. Borst, Werner G. Daniel, B. Nonnast-Daniel, M Jurmann, Markus Heinemann and Werner G. Daniel and has published in prestigious journals such as New England Journal of Medicine, The American Journal of Cardiology and Journal of Thoracic and Cardiovascular Surgery.

In The Last Decade

Joachim Laas

17 papers receiving 1.0k 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.

Improvement in the Diagnosis of Abscesses Associated with Endocarditis by Transesophageal Echocardiography

1991 491 citations Werner G. Daniel, Andreas Mügge et al. New England Journal of Medicine profile →

Peers

Joachim Laas

CCM

EPIDE

SURGE

PRM

PHEOH

M Drexler Germany

Susanne Mohr-Kahaly Germany

José Manuel López Bernal Spain

Yvette Bernard France

M Lengyel Hungary

Marı́a Jesús Rollán Spain

Dominique Grisoli France

Agustin Arbulu United States

Olcay Aksoy United States

Fabio Chirillo Italy

M Drexler Germany

Joachim Laas

780 ×1.1

CCM

677 ×1.1

EPIDE

357 ×0.9

SURGE

380 ×0.9

PRM

244 ×1.2

PHEOH

Citations per year, relative to Joachim Laas Joachim Laas (= 1×) peers M Drexler

Countries citing papers authored by Joachim Laas

Since Specialization

Citations

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

Fields of papers citing papers by Joachim Laas

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Joachim Laas

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

All Works

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17 of 17 papers shown

Mächler, Heinrich, et al.. (2007). Influence of a tilting prosthetic mitral valve orientation on the left ventricular flow — an experimental in vivo magnetic resonance imaging study. European Journal of Cardio-Thoracic Surgery. 32(1). 102–107. 23 indexed citations

Uekermann, J., et al.. (2005). Neuropsychological deficits after mechanical aortic valve replacement.. PubMed. 14(3). 338–43. 12 indexed citations

Hasenkam, J. Michael, et al.. (2001). Turbulenz und High Intensity Transient Signals (HITS) als Parameter für die optimale Orientierung mechanischer Herzklappen. Zeitschrift für Kardiologie. 90(S6). 100–104. 1 indexed citations

Kleine, Peter, et al.. (2000). Downstream turbulence and high intensity transient signals (HITS) following aortic valve replacement with Medtronic Hall or St. Jude Medical valve substitutes. European Journal of Cardio-Thoracic Surgery. 17(1). 20–24. 22 indexed citations

Laas, Joachim, Peter Kleine, Michael Hasenkam, & Hans Nygaard. (1999). Orientation of tilting disc and bileaflet aortic valve substitutes for optimal hemodynamics. The Annals of Thoracic Surgery. 68(3). 1096–1099. 52 indexed citations

Schaefers, H.-J., et al.. (1994). Malperfusion of the Thoracoabdominal Vasculature in Aortic Dissection. Journal of Cardiac Surgery. 9(6). 748–757. 25 indexed citations

Borst, Hans G., et al.. (1994). Risk of replacement of descending aorta with a standardized left heart bypass technique. Journal of Thoracic and Cardiovascular Surgery. 107(1). 126–133. 119 indexed citations

Daniel, Werner G., Andreas Mügge, Jochen Grote, et al.. (1993). Comparison of transthoracic and transesophageal echocardiography for detection of abnormalities of prosthetic and bioprosthetic valves in the mitral and aortic positions. The American Journal of Cardiology. 71(2). 210–215. 163 indexed citations

Schmid, Çhristof, Gerhard Ziemer, Joachim Laas, & Hans G. Borst. (1992). Open-Heart Surgery in Patients Requiring Chronic Hemodialysis. Scandinavian Journal of Thoracic and Cardiovascular Surgery. 26(2). 97–100. 5 indexed citations

10.

Wagner, Thomas, et al.. (1991). Fulminant pulmonary embolism: Symptoms, diagnostics, operative technique, and results. The Annals of Thoracic Surgery. 52(5). 1102–1107. 56 indexed citations

11.

Daniel, Werner G., Andreas Mügge, Randolph P. Martin, et al.. (1991). Improvement in the Diagnosis of Abscesses Associated with Endocarditis by Transesophageal Echocardiography. New England Journal of Medicine. 324(12). 795–800. 491 indexed citations breakdown →

12.

Borst, Hans G., Joachim Laas, & Markus Heinemann. (1991). Type A aortic dissection: diagnosis and management of malperfusion phenomena.. PubMed. 3(3). 238–41. 39 indexed citations

13.

Mügge, Andreas, Werner G. Daniel, Joachim Laas, R. Grote, & P Lichtlen. (1990). False-negative diagnosis of proximal aortic dissection by computed tomography or angiography and possible explanations based on transesophageal echocardiographic findings. The American Journal of Cardiology. 65(7). 527–529. 21 indexed citations

14.

Heinemann, Markus, Joachim Laas, Matthias Karck, & Hans G. Borst. (1990). Thoracic aortic aneurysms after acute type a aortic dissection: Necessity for follow-up. The Annals of Thoracic Surgery. 49(4). 580–584. 71 indexed citations

15.

Campbell, Charles, et al.. (1981). Effect of coronary artery reperfusion on infarct size in swine. Journal of Thoracic and Cardiovascular Surgery. 81(2). 288–296. 9 indexed citations

16.

Takanashi, Yoshinori, et al.. (1981). Reduction of Myocardial Infarct Size in Swine: A Comparative Study of Intraaortic Balloon Pumping and Transapical Left Ventricular Bypass. The Annals of Thoracic Surgery. 32(5). 475–485. 9 indexed citations

17.

Laas, Joachim, Charles Campbell, Yoshinori Takanashi, Ruth Pick, & Robert L. Replogle. (1980). Failure of intra-aortic balloon pumping to reduce experimental myocardial infarct size in swine. Journal of Thoracic and Cardiovascular Surgery. 80(1). 85–93. 9 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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