Geir Christensen

8.8k total citations · 1 hit paper
213 papers, 6.8k citations indexed

About

Geir Christensen is a scholar working on Cardiology and Cardiovascular Medicine, Molecular Biology and Cell Biology. According to data from OpenAlex, Geir Christensen has authored 213 papers receiving a total of 6.8k indexed citations (citations by other indexed papers that have themselves been cited), including 149 papers in Cardiology and Cardiovascular Medicine, 86 papers in Molecular Biology and 27 papers in Cell Biology. Recurrent topics in Geir Christensen's work include Cardiac Fibrosis and Remodeling (52 papers), Cardiac electrophysiology and arrhythmias (31 papers) and Heart Failure Treatment and Management (30 papers). Geir Christensen is often cited by papers focused on Cardiac Fibrosis and Remodeling (52 papers), Cardiac electrophysiology and arrhythmias (31 papers) and Heart Failure Treatment and Management (30 papers). Geir Christensen collaborates with scholars based in Norway, United States and Sweden. Geir Christensen's co-authors include Ivar Sjaastad, Ida G. Lunde, Theis Tønnessen, Ole M. Sejersted, Arne Yndestad, William E. Louch, Kate M. Herum, Geir Florholmen, Alexandra Vanessa Finsen and Jan Magnus Aronsen and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Circulation.

In The Last Decade

Geir Christensen

210 papers receiving 6.7k 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 NLRP3 inflammasome is up-regulated in cardiac fibroblasts and mediates myocardial ischaemia–reperfusion injury

2013 435 citations Leif Erik Vinge, Alexandra Vanessa Finsen et al. Cardiovascular Research profile →

Peers

Countries citing papers authored by Geir Christensen

Since Specialization

Citations

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

Fields of papers citing papers by Geir Christensen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Geir Christensen

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

#	Work	Indexed citations
1	The impact of tube and equipment choice in nasotracheal intubation: Protocol for a scoping review 2025 ·Acta Anaesthesiologica Scandinavica ·(unknown), (unknown), Geir Christensen, Johan Heiberg, Mette Krag	2
2	Exploring Syndecan-4 and MLP and Their Interaction in Primary Cardiomyocytes and H9c2 Cells 2024 ·Cells ·(unknown), Marianne Lunde, Katja Gehmlich, Geir Christensen, William E. Louch, Cathrine R. Carlson	1
3	BIN1, Myotubularin, and Dynamin-2 Coordinate T-Tubule Growth in Cardiomyocytes 2023 ·Circulation Research ·(unknown), (unknown), Michael Frisk, (unknown), Cathrine R. Carlson, Andreas Brech, Xin Shen, (unknown), Yufeng Hou, Tomi Tuomainen, Pasi Tavi, Peter P. Jones, Marianne Lunde, J. Andrew Wasserstrom, Jocelyn Laporte, Nina D. Ullrich, Geir Christensen, Jens Preben Morth, William E. Louch	15
4	Inflammation and Syndecan-4 Shedding from Cardiac Cells in Ischemic and Non-Ischemic Heart Disease 2023 ·Biomedicines ·Mari E. Strand, Maarten Vanhaverbeke, Michiel T.H.M. Henkens, (unknown), (unknown), (unknown), Vibeke Marie Almaas, Theis Tønnessen, Geir Christensen, Stéphane Heymans, Ida G. Lunde	7
5	Beneficial effects of exercise initiated before development of hypertrophic cardiomyopathy in genotype-positive mice 2023 ·American Journal of Physiology-Heart and Circulatory Physiology ·(unknown), (unknown), (unknown), (unknown), Lili Zhang, (unknown), Pugazendhi M Erusappan, Ivar Sjaastad, Geir Christensen, Kristina H. Haugaa, Thor Edvardsen, Ida G. Lunde, Mathis K. Stokke	5
6	ADAMTSL3 knock-out mice develop cardiac dysfunction and dilatation with increased TGFβ signalling after pressure overload 2022 ·Communications Biology ·(unknown), Arne Olav Melleby, Emma Robinson, Jia Li, (unknown), (unknown), Daniel R. Martin, (unknown), Begoña López, (unknown), Christen P. Dahl, Ivar Sjaastad, Theis Tønnessen, Mathis K. Stokke, William E. Louch, Arantxa González, Stéphane Heymans, Geir Christensen, Suneel Apte, Ida G. Lunde	9
7	Prognostic value of cardiac biomarkers and National Early Warning Score 2 in acute dyspnoea 2022 ·Open Heart ·(unknown), Jon Brynildsen, Ragnhild Røysland, (unknown), Geir Christensen, Arne Høiseth, Torbjørn Omland, Helge Røsjø, Magnus Nakrem Lyngbakken	4
8	Prevalence and Prognostic Significance of Hyponatremia in Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Data from the Akershus Cardiac Examination (ACE) 2 Study 2016 ·PLoS ONE ·(unknown), Jon Brynildsen, Arne Høiseth, Ivar Følling, P. Brekke, Geir Christensen, Tor‐Arne Hagve, Joseph G. Verbalis, Torbjørn Omland, Helge Røsjø	9
9	Reduced visfatin levels in aortic stenosis increase after aortic valve replacement and may contribute to reverse left ventricular remodelling. 2015 ·PubMed ·(unknown), Ida G. Lunde, Almira Hasic, Trygve Husebye, Geir Christensen, Theis Tønnessen, Johannes L. Bjørnstad	1
10	The novel cardiovascular biomarker secretoneurin predicts mortality and shock in critical ill patients with infections 2015 ·European Heart Journal ·Helge Røsjø, Mats Stridsberg, (unknown), Geir Christensen, (unknown), Rita Linko, (unknown), Tero Varpula, Esko Ruokonen, Torbjørn Omland	1
11	Hypoxia induces inflammasome activation and influx of neutrophils and T-cells in the lungs 2013 ·European Respiratory Journal ·(unknown), (unknown), Geir Christensen, Ole Henning Skjønsberg	1
12	Prominent Heart Organ-Level Performance Deficits in a Genetic Model of Targeted Severe and Progressive SERCA2 Deficiency 2013 ·PLoS ONE ·(unknown), Kristin B. Andersson, Geir Christensen, Joseph M. Metzger	6
13	Syndecan-4 signaling via NFAT regulates extracellular matrix production and cardiac myofibroblast differentiation in response to mechanical stress 2012 ·Journal of Molecular and Cellular Cardiology ·Kate M. Herum, Ida G. Lunde, Biljana Skrbic, Geir Florholmen, (unknown), Ivar Sjaastad, Cathrine R. Carlson, Maria F. Gomez, Geir Christensen	110
14	Sodium Accumulation in SERCA Knockout-Induced Heart Failure 2012 ·Biophysical Journal ·Li Li, William E. Louch, Steven Niederer, Jan Magnus Aronsen, Geir Christensen, Ole M. Sejersted, Nicolas P. Smith	39
15	Lack of Chemokine Signaling through CXCR5 Causes Increased Mortality, Ventricular Dilatation and Deranged Matrix during Cardiac Pressure Overload 2011 ·PLoS ONE ·Anne Wæhre, Bente Halvorsen, Arne Yndestad, Cathrine Husberg, Ivar Sjaastad, Ståle Nygård, Christen P. Dahl, Mohammed Shakil Ahmed, Alexandra Vanessa Finsen, Henrik M. Reims, William E. Louch, Denise Hilfiker‐Kleiner, Leif Erik Vinge, Borghild Roald, Håvard Attramadal, Martin Lipp, Lars Gullestad, Pål Aukrust, Geir Christensen	28
16	Reduced SERCA2 abundance decreases the propensity for Ca2+ wave development in ventricular myocytes 2009 ·Cardiovascular Research ·Mathis K. Stokke, Karina Hougen, Ivar Sjaastad, William E. Louch, Sarah J. Briston, Ulla Enger, Kristin B. Andersson, Geir Christensen, David Eisner, Ole M. Sejersted, Andrew W. Trafford	45
17	Alterations in Circulating Activin A, GDF-15, TGF-β3 and MMP-2, -3, and -9 During One Year of Left Ventricular Reverse Remodelling in Patients Operated for Severe Aortic Stenosis 2008 ·European Journal of Heart Failure ·Johannes L. Bjørnstad, (unknown), (unknown), Cathrine Wold Knudsen, Trygve Husebye, John Pepper, Mons Lie, Geir Christensen, Theis Tønnessen	22
18	Leukaemia inhibitory factor alters expression of genes involved in rat cardiomyocyte energy metabolism 2004 ·Acta Physiologica Scandinavica ·Geir Florholmen, Kristin B. Andersson, Arne Yndestad, (unknown), (unknown), Geir Christensen	27
19	Increased Synthesis and Release of Endothelin-1 during the Initial Phase of Airway Inflammation 1998 ·American Journal of Respiratory and Critical Care Medicine ·(unknown), Geir Christensen, Torstein Lyberg, Ole M. Sejersted, Ole Henning Skjønsberg	35
20	Endothelin Production and Effects of Endothelin Antagonism During Experimental Airway Inflammation 1997 ·American Journal of Respiratory and Critical Care Medicine ·(unknown), Ole Henning Skjønsberg, Theis Tønnessen, Oddvar Næss, Torstein Lyberg, Geir Christensen	63

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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