Lars Søndergaard

40.5k total citations · 6 hit papers
377 papers, 11.4k citations indexed

About

Lars Søndergaard is a scholar working on Cardiology and Cardiovascular Medicine, Epidemiology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Lars Søndergaard has authored 377 papers receiving a total of 11.4k indexed citations (citations by other indexed papers that have themselves been cited), including 305 papers in Cardiology and Cardiovascular Medicine, 226 papers in Epidemiology and 125 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Lars Søndergaard's work include Cardiac Valve Diseases and Treatments (246 papers), Infective Endocarditis Diagnosis and Management (165 papers) and Aortic Disease and Treatment Approaches (68 papers). Lars Søndergaard is often cited by papers focused on Cardiac Valve Diseases and Treatments (246 papers), Infective Endocarditis Diagnosis and Management (165 papers) and Aortic Disease and Treatment Approaches (68 papers). Lars Søndergaard collaborates with scholars based in Denmark, United States and Germany. Lars Søndergaard's co-authors include Ole De Backer, Nikolaj Ihlemann, Hans Gustav Hørsted Thyregod, Henrik Larsson, Olaf Franzen, Peter Skov Olsen, Henrik Nissen, Lars Konradsen, Bo Juel Kjeldsen and Daniel A. Steinbrüchel and has published in prestigious journals such as New England Journal of Medicine, Circulation and SHILAP Revista de lepidopterología.

In The Last Decade

Lars Søndergaard

361 papers receiving 11.1k citations

Hit Papers

5 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.

Patent Foramen Ovale Closure or Antiplatelet Therapy for Cryptogenic Stroke

2017 658 citations Lars Søndergaard et al. profile →
Transcatheter Versus Surgical Aortic Valve Replacement in Patients With Severe Aortic Valve Stenosis

2015 640 citations Hans Gustav Hørsted Thyregod, Nikolaj Ihlemann et al. profile →
Standardized definitions of structural deterioration and valve failure in assessing long-term durability of transcatheter and surgical aortic bioprosthetic valves: a consensus statement from the European Association of Percutaneous Cardiovascular Interventions (EAPCI) endorsed by the European Society of Cardiology (ESC) and the European Association for Cardio-Thoracic Surgery (EACTS)

2017 337 citations Bernard Prendergast, Thomas Modine et al. European Heart Journal profile →
Transcatheter aortic valve implantation vs. surgical aortic valve replacement for treatment of symptomatic severe aortic stenosis: an updated meta-analysis

2019 259 citations George C.M. Siontis, Pavel Overtchouk et al. European Heart Journal profile →
Eight-year outcomes for patients with aortic valve stenosis at low surgical risk randomized to transcatheter vs. surgical aortic valve replacement

2021 178 citations Troels Højsgaard Jørgensen, Hans Gustav Hørsted Thyregod et al. European Heart Journal profile →
Transcatheter or surgical aortic valve implantation: 10-year outcomes of the NOTION trial

2024 102 citations Hans Gustav Hørsted Thyregod, Troels Højsgaard Jørgensen et al. European Heart Journal profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Lars Søndergaard Denmark	53	8.5k	6.3k	3.5k	2.7k	1.9k	377	11.4k
Stephen P. Sanders United States	56	6.5k 0.8×	5.6k 0.9×	5.1k 1.4×	4.5k 1.7×	877 0.5×	264	11.9k
Mary Etta King United States	34	3.5k 0.4×	3.5k 0.6×	3.2k 0.9×	2.5k 0.9×	691 0.4×	110	6.8k
Craig S. Broberg United States	35	4.6k 0.5×	5.2k 0.8×	3.2k 0.9×	2.3k 0.9×	598 0.3×	109	7.3k
Michael J. Landzberg United States	65	13.0k 1.5×	12.5k 2.0×	13.8k 3.9×	6.5k 2.4×	1.1k 0.6×	206	22.0k
Erwin Oechslin Canada	48	6.9k 0.8×	3.9k 0.6×	2.3k 0.7×	2.6k 1.0×	490 0.3×	187	9.1k
Carole A. Warnes United States	59	8.7k 1.0×	10.3k 1.6×	6.6k 1.9×	6.2k 2.3×	1.2k 0.7×	211	14.6k
Lee Benson Canada	62	6.4k 0.8×	9.1k 1.4×	6.6k 1.9×	4.8k 1.8×	2.1k 1.1×	443	14.1k
Thomas S. Huber United States	49	2.2k 0.3×	794 0.1×	6.2k 1.8×	3.5k 1.3×	628 0.3×	296	8.9k
David N. Rosenthal United States	42	4.3k 0.5×	2.6k 0.4×	1.9k 0.5×	3.6k 1.3×	445 0.2×	258	8.5k
James H. Moller United States	46	3.8k 0.4×	5.9k 0.9×	3.8k 1.1×	3.6k 1.3×	357 0.2×	244	8.9k

Countries citing papers authored by Lars Søndergaard

Since Specialization

Citations

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

Fields of papers citing papers by Lars Søndergaard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Lars Søndergaard

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

Jørgensen, Troels Højsgaard, et al.. (2025). Impact of Intensified Outpatient Follow-Up on Rehospitalization After Transcatheter Aortic Valve Implantation: Results From the HOSPITAVI Trial. The American Journal of Cardiology. 245. 17–24. 1 indexed citations

Sultan, Ibrahim, Michael J. Reardon, Lars Søndergaard, et al.. (2024). Predictors and Trends of New Permanent Pacemaker Implantation: A Subanalysis of the International Navitor IDE Study. Structural Heart. 8(4). 100293–100293. 2 indexed citations

Philbert, Berit T., Annette Schophuus Jensen, Michael Rahbek Schmidt, et al.. (2024). Implantable cardioverter defibrillator therapy in paediatric patients for primary vs. secondary prevention. EP Europace. 26(9). 3 indexed citations

Montarello, Nicholas J., Yannick Willemen, Gabriela Tirado‐Conte, et al.. (2023). Transcatheter aortic valve durability: a contemporary clinical review. Frontiers in Cardiovascular Medicine. 10. 1195397–1195397. 6 indexed citations

Hamid, Umar Imran, Thomas Modine, Jos G. Maessen, et al.. (2023). Structure of multidisciplinary heart teams, a survey-based heart team study. Interdisciplinary CardioVascular and Thoracic Surgery. 37(2). 3 indexed citations

Rück, Andreas, Won‐Keun Kim, Mohamed Abdel‐Wahab, et al.. (2023). The Early neo2 Registry: Transcatheter Aortic Valve Implantation With ACURATE neo2 in a European Population. Journal of the American Heart Association. 12(15). e029464–e029464. 2 indexed citations

Vaknin‐Assa, Hana, Lars Søndergaard, Horst Sievert, et al.. (2023). Transcatheter Interventions for Atrioventricular Dysfunction in Patients with Adult Congenital Heart Disease: An International Case Series. Journal of Clinical Medicine. 12(2). 521–521. 2 indexed citations

Tarantini, Giuseppe, Janarthanan Sathananthan, Tommaso Fabris, et al.. (2022). Transcatheter Aortic Valve Replacement in Failed Transcatheter Bioprosthetic Valves. JACC: Cardiovascular Interventions. 15(18). 1777–1793. 35 indexed citations

Freixa, Xavier, Apostolos Tzikas, Adel Aminian, et al.. (2021). Left atrial appendage occlusion in chicken‐wing anatomies: Imaging assessment, procedural, and clinical outcomes of the “sandwich technique”. Catheterization and Cardiovascular Interventions. 97(7). E1025–E1032. 10 indexed citations

10.

Strange, Jarl Emanuel, Caroline Sindet‐Pedersen, Gunnar Gislason, et al.. (2021). Temporal trends in utilization of transcatheter aortic valve replacement and patient characteristics: A nationwide study. American Heart Journal. 243. 140–146. 17 indexed citations

11.

Demir, Ozan M., Lars Søndergaard, Josep Rodés‐Cabau, et al.. (2021). Transcatheter Mitral Valve Replacement: Current Evidence and Concepts. Interventional Cardiology Reviews Research Resources. 16. e07–e07. 5 indexed citations

12.

Søndergaard, Lars, et al.. (2019). Infective endocarditis in right ventricular outflow tract conduits: a register-based comparison of homografts, Contegra grafts and Melody transcatheter valves. European Journal of Cardio-Thoracic Surgery. 56(1). 87–93. 35 indexed citations

13.

Butt, Jawad H., Ole De Backer, Jonas Bjerring Olesen, et al.. (2019). Vitamin K antagonists vs. direct oral anticoagulants after transcatheter aortic valve implantation in atrial fibrillation. European Heart Journal - Cardiovascular Pharmacotherapy. 7(1). 11–19. 49 indexed citations

14.

Hjortshøj, Cristel Sørensen, Sigita Glaveckaitė, Diana Zakarkaitė, et al.. (2019). Cor triatriatum sinistrum diagnosed in the adulthood: a systematic review. Heart. 105(15). heartjnl–2019. 21 indexed citations

15.

Siontis, George C.M., Pavel Overtchouk, Thomas J. Cahill, et al.. (2019). Transcatheter aortic valve implantation vs. surgical aortic valve replacement for treatment of symptomatic severe aortic stenosis: an updated meta-analysis. European Heart Journal. 40(38). 3143–3153. 259 indexed citations breakdown →

16.

Olsen, Niels Thue, Ole De Backer, Hans Gustav Hørsted Thyregod, et al.. (2015). Prosthetic Valve Endocarditis After Transcatheter Aortic Valve Implantation. Circulation Cardiovascular Interventions. 8(4). 73 indexed citations

17.

Søndergaard, Lars, Mamta Murthi, Dina Abu-Ghaida, Christian Bodewig, & Jan Rutkowski. (2012). Skills, Not Just Diplomas : Managing Education for Results in Eastern Europe and Central Asia. World Bank Publications. 51 indexed citations

18.

Lund, Allan M., et al.. (2011). [Molecular biological aspects of Marfan syndromes].. PubMed. 173(5). 333–7.

19.

Søndergaard, Lars, Christian Bodewig, Dina Abu-Ghaida, Jan Rutkowski, & Mamta Murthi. (2011). Skills, not just diplomas. World Bank eBooks. 3 indexed citations

20.

Rużyłło, Witold, Marcin Demkow, Elżbieta K. Włodarska, et al.. (2009). [POL-PAVTI--Polish report on transcatheter pulmonary artery valve implantation of Melody-Medtronic prosthesis in the first 14 patients in Poland].. PubMed. 67(10). 1155–61. 4 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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