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H. Nissen · SciRah

Researcher profile · Semantic Scholar

H. Nissen

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H. Nissen — researcher profile on SciRah

h-index: 21
Works: 51
Citations: 4,783

Most-cited papers

Transcatheter Versus Surgical Aortic Valve Replacement in Patients With Severe Aortic Valve Stenosis: 1-Year Results From the All-Comers NOTION Randomized Clinical Trial.
H. Thyregod, D. Steinbrüchel, N. Ihlemann, H. Nissen +10 more
2015Journal of the American College of Cardiology901 citations Open access
Semantic Scholar
Transcatheter aortic valve implantation in failed bioprosthetic surgical valves.
D. Dvir, J. Webb, S. Bleiziffer, M. Pasic +34 more
2014Journal of the American Medical Association (JAMA)873 citations Open access
Semantic Scholar
Transcatheter Aortic Valve Replacement for Degenerative Bioprosthetic Surgical Valves: Results From the Global Valve-in-Valve Registry
D. Dvir, J. Webb, S. Brecker, S. Bleiziffer +24 more
2012Circulation561 citations Open access
Semantic Scholar
Transcatheter or surgical aortic valve implantation: 10-year outcomes of the NOTION trial
H. Thyregod, T. Jørgensen, N. Ihlemann, D. Steinbrüchel +6 more
2024European Heart Journal332 citations Open access
Semantic Scholar
Durability of Transcatheter and Surgical Bioprosthetic Aortic Valves in Patients at Lower Surgical Risk.
L. Søndergaard, N. Ihlemann, D. Capodanno, T. Jørgensen +7 more
2019Journal of the American College of Cardiology302 citations Open access
Semantic Scholar
Five-Year Clinical and Echocardiographic Outcomes from the Nordic Aortic Valve Intervention (NOTION) Randomized Clinical Trial in Lower Surgical Risk Patients.
H. Thyregod, N. Ihlemann, T. Jørgensen, H. Nissen +11 more
2019Circulation263 citations Open access
Semantic Scholar
Eight-year outcomes for patients with aortic valve stenosis at low surgical risk randomized to transcatheter vs. surgical aortic valve replacement
T. Jørgensen, H. Thyregod, N. Ihlemann, H. Nissen +5 more
2021European Heart Journal245 citations Open access
Semantic Scholar
A prospective, randomised trial of transapical transcatheter aortic valve implantation vs. surgical aortic valve replacement in operable elderly patients with aortic stenosis: the STACCATO trial.
H. H. Nielsen, K. Klaaborg, H. Nissen, K. Terp +8 more
2012EuroIntervention210 citations
Semantic Scholar
Two-Year Outcomes in Patients With Severe Aortic Valve Stenosis Randomized to Transcatheter Versus Surgical Aortic Valve Replacement: The All-Comers Nordic Aortic Valve Intervention Randomized Clinical Trial
L. Søndergaard, D. Steinbrüchel, N. Ihlemann, H. Nissen +10 more
2016Circulation. Cardiovascular Interventions176 citations Open access
Semantic Scholar
Long-term outcomes after transcatheter aortic valve implantation in failed bioprosthetic valves.
S. Bleiziffer, M. Simonato, J. Webb, J. Rodés-Cabau +71 more
2020European Heart Journal145 citations Open access
Semantic Scholar
Transcatheter Replacement of Failed Bioprosthetic Valves: Large Multicenter Assessment of the Effect of Implantation Depth on Hemodynamics After Aortic Valve-in-Valve
M. Simonato, J. Webb, R. Kornowski, A. Vahanian +30 more
2016Circulation. Cardiovascular Interventions123 citations Open access
Semantic Scholar
Native valve infective endocarditis in the general population: a 10-year survey of the clinical picture during the 1980s.
H. Nissen, P. F. Nielsen, M. Frederiksen, C. Helleberg +1 more
1992European Heart Journal122 citations
Semantic Scholar
Very low pacemaker rate following ACURATE neo transcatheter heart valve implantation.
S. Toggweiler, H. Nissen, B. Mogensen, F. Cuculi +5 more
2017EuroIntervention60 citations Open access
Semantic Scholar
No clinical effect of prosthesis-patient mismatch after transcatheter versus surgical aortic valve replacement in intermediate- and low-risk patients with severe aortic valve stenosis at mid-term follow-up: an analysis from the NOTION trial.
H. Thyregod, D. Steinbrüchel, N. Ihlemann, Thuc Anh Ngo +6 more
2016European Journal of Cardio-Thoracic Surgery60 citations Open access
Semantic Scholar
The Nordic Aortic Valve Intervention (NOTION) trial comparing transcatheter versus surgical valve implantation: study protocol for a randomised controlled trial
H. Thyregod, L. Søndergaard, N. Ihlemann, O. Franzen +7 more
2013Trials58 citations Open access
Semantic Scholar
Prevalence and inter-relationship of different Doppler measures of dyssynchrony in patients with heart failure and prolonged QRS: a report from CARE-HF
M. Edner, Yong Kim, K. N. Hansen, H. Nissen +6 more
2009Cardiovascular Ultrasound34 citations Open access
Semantic Scholar
Cancer risk among patients with congenital heart defects: a nationwide follow-up study
M. Olsen, E. Garne, C. Sværke, L. Søndergaard +5 more
2013Cardiology in the Young32 citations
Semantic Scholar
How do we define congenital heart defects for scientific studies?
E. Garne, M. Olsen, S. Johnsen, V. Hjortdal +4 more
2012Congenital Heart Disease32 citations
Semantic Scholar
Permanent Pacemaker Implantation Following Valve-in-Valve Transcatheter Aortic Valve Replacement: VIVID Registry.
A. Alperi, J. Rodés-Cabau, M. Simonato, D. Tchétché +43 more
2021Journal of the American College of Cardiology31 citations Open access
Semantic Scholar
Early clinical outcome of aortic transcatheter valve-in-valve implantation in the Nordic countries.
L. Ihlberg, H. Nissen, N. Nielsen, A. Rück +8 more
2013Journal of Thoracic and Cardiovascular Surgery29 citations Open access
Semantic Scholar
Safety and Efficacy of Myval Implantation in Patients with Severe Bicuspid Aortic Valve Stenosis—A Multicenter Real-World Experience
Ahmad El-Koumy, J. Jose, C. Terkelsen, H. Nissen +16 more
2022Journal of Clinical Medicine22 citations Open access
Semantic Scholar
Early and late risk of ischemic stroke after TAVR as compared to a nationwide background population
O. de Backer, J. Butt, Yam-Hong Wong, C. Torp-Pedersen +5 more
2019Clinical Research in Cardiology20 citations
Semantic Scholar
Effect of permanent pacemaker on mortality after transcatheter aortic valve replacement
Jonathan Engborg, Casper Riechel-Sarup, O. Gerke, H. Mickley +3 more
2017Scandinavian Cardiovascular Journal20 citations Open access
Semantic Scholar
Short- and Long-Term Mortality and Stroke Risk After Transcatheter Aortic Valve Implantation.
L. Jakobsen, C. Terkelsen, L. Søndergaard, O. de Backer +4 more
2018American Journal of Cardiology18 citations Open access
Semantic Scholar
Pulmonary Valve Replacement in Tetralogy of Fallot: Procedural Volume and Durability of Bioprosthetic Pulmonary Valves.
Mathis Gröning, M. Smerup, Kim Munk, H. Andersen +18 more
2023JACC: Cardiovascular Interventions16 citations Open access
Semantic Scholar
Transcatheter valve-in-valve or valve-in-ring implantation with a novel balloon-expandable device in patients with bioprosthetic left side heart valves failure: 1-year follow-up from a multicenter experience.
E. Moscarella, A. Ielasi, Abdurashid Mussayev, M. Montorfano +16 more
2023International Journal of Cardiology15 citations
Semantic Scholar
Temporal Trends in Patient Characteristics and Outcomes of Transcatheter Aortic Valve Implantation and Surgical Aortic Valve Replacement: A Nationwide Study.
Camilla Lundahl, K. Kragholm, B. Tayal, D. Karasoy +11 more
2023American Journal of Cardiology15 citations Open access
Semantic Scholar
Mortality prediction after transcatheter treatment of failed bioprosthetic aortic valves utilizing various international scoring systems: Insights from the Valve‐in‐Valve International Data (VIVID)
M. Aziz, M. Simonato, J. Webb, M. Abdel-Wahab +18 more
2018Catheterization and cardiovascular interventions15 citations
Semantic Scholar
Pulmonary arteriovenous malformations: a radiological and clinical investigation of 136 patients with long-term follow-up.
P. E. Andersen, P. Tørring, S. Duvnjak, O. Gerke +2 more
2018Clinical Radiology13 citations
Semantic Scholar
Temporal Changes in the Surgical Management of Patients with Tetralogy of Fallot in Denmark - A Nationwide Cohort Study.
Mathis Gröning, M. Smerup, D. Nielsen, H. Nissen +15 more
2023European Journal of Cardio-Thoracic Surgery8 citations Open access
Semantic Scholar
Impact of chronic obstructive pulmonary disease on survival and symptoms of severe aortic valve stenosis
M. Poulsen, J. Dahl, B. Kjeldsen, K. Nørregaard-Hansen +3 more
2015Scandinavian Cardiovascular Journal8 citations Open access
Semantic Scholar
Denmark: coronary and structural heart interventions from 2010 to 2015.
H. Tilsted, Ole Ahlehoff, C. Terkelsen, F. Pedersen +8 more
2017EuroIntervention7 citations
Semantic Scholar
Impact of mandatory preoperative dental screening on post-procedural risk of infective endocarditis in patients undergoing transcatheter aortic valve implantation: a nationwide retrospective observational study
L. Krasniqi, Lars Peter Schødt Riber, H. Nissen, C. Terkelsen +6 more
2023The Lancet Regional Health - Europe6 citations Open access
Semantic Scholar
One-Year Outcomes after Myval Implantation in Patients with Bicuspid Aortic Valve Stenosis—A Multicentre Real-World Experience
Ahmad El-Koumy, J. Jose, C. Terkelsen, H. Nissen +15 more
2023Journal of Clinical Medicine6 citations Open access
Semantic Scholar
Transcatheter Aortic valve implantation in a patient with circulatory collapse, using the lucas® chest compression system
Peter Blom Jensen, C. Andersen, H. Nissen
2013Catheterization and cardiovascular interventions6 citations
Semantic Scholar
[Congenital defects of the left-sided pericardium].
G. von Bernuth, H. Nissen, D. Lang, R. Hofstetter
1976Zeitschrift für Kardiologie4 citations
Semantic Scholar
Quantitative aortography for assessment of aortic regurgitation in the era of percutaneous aortic valve replacement
M. Abdelshafy, P. Serruys, T. Tsai, P. Revaiah +44 more
2023Frontiers in Cardiovascular Medicine3 citations Open access
Semantic Scholar
Case report: Transcatheter aortic valve replacement in a large bicuspid anatomy using the XL-Myval 32 mm
Ahmad El-Koumy, C. Terkelsen, M. Abdelshafy, Julia Ellert-Gregersen +5 more
2022Frontiers in Cardiovascular Medicine2 citations Open access
Semantic Scholar
Midterm Evaluation of Hemodynamics of the Top Hat Supraannular Aortic Valve
J. Aagaard, H. Nissen, A. Geha
2010Asian Cardiovascular and Thoracic Annals2 citations
Semantic Scholar
Transcatheter Aortic Valve Replacement for Degenerative Bioprosthetic Surgical Valves : Results from the Global Valve-in-Valve Registry Running title :
D. Dvir, J. Webb, S. Brecker, S. Bleiziffer +24 more
20121 citations
Semantic Scholar
TCT-487 Mid-Term Outcome of Transcatheter Aortic Valve Replacement Using Myval in Severe Bicuspid Aortic Stenosis
Ahmad El-Koumy, C. Terkelsen, H. Nissen, J. Jose +9 more
2022Journal of the American College of Cardiology0 citations Open access
Semantic Scholar
ARTICLE Five-Year Clinical and Echocardiographic Outcomes From the NOTION Randomized Clinical Trial in Patients at Lower Surgical
H. Nissen, P. Petursson, O. Franzen, T. Engstrøm
20190 citations
Semantic Scholar
[Transcatheter aortic valve implantation in Denmark].
L. Thuesen, L. Søndergaard, H. Nissen
2018Ugeskrift for læger0 citations
Semantic Scholar
[Transcatheter aortic valve implantation in Denmark].
T. Jørgensen, O. de Backer, H. Nissen, C. Terkelsen +5 more
2018Ugeskrift for læger0 citations
Semantic Scholar
Syddansk Universitet Short- and Long-Term Mortality and Stroke Risk After Transcatheter Aortic Valve Implantation
L. Jakobsen, C. Terkelsen, L. Søndergaard, O. D. Backer +4 more
20170 citations
Semantic Scholar
TCT-652 Incidence, Predictors and Clinical Outcomes of Device Malposition Following Transcatheter Aortic Valve Implantation for Degenerative Bioprosthetic Surgical Valves: Insights from the VIVID Registry.
Ashish H. Shah, E. Horlick, M. Osten, R. Kornowski +25 more
2016Journal of the American College of Cardiology0 citations Open access
Semantic Scholar
TCT-168 Prosthesis-Patient Mismatch after Aortic Valve-In-Valve Implantation: Insights from the Valve-in-Valve International Data (VIVID) Registry
S. Bleiziffer, J. Webb, R. Kornowski, D. Holzhey +20 more
20150 citations Open access
Semantic Scholar
Transcatheter Versus Surgical Aortic Valve Replacement in Patients With Severe Aortic Valve Stenosis 1-Year Randomized Clinical Trial
H. G. H. Thyregod, D. Steinbrüchel, N. Ihlemann, H. Nissen +10 more
20150 citations
Semantic Scholar
[Platypnoea-orthodeoxia: a rare cause of severe dyspnoea].
Christian O. Fallesen, L. Søndergaard, H. Nissen
2013Ugeskrift for læger0 citations
Semantic Scholar
TCT-850 Early Clinical Outcome of Transcatheter Valve-In Valve Implantation in The Nordic Countries
L. Ihlberg, A. Wahba, H. Nissen, Nielsen Niels-Henrik +8 more
20120 citations Open access
Semantic Scholar

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L. Søndergaard×20
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L. Søndergaard — researcher profile on SciRah
C. Terkelsen×12
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C. Terkelsen — researcher profile on SciRah
B. Kjeldsen×10
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B. Kjeldsen — researcher profile on SciRah
H. Thyregod×9
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H. Thyregod — researcher profile on SciRah

D. Steinbrüchel

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N. Ihlemann — researcher profile on SciRah

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D. Dvir — researcher profile on SciRah

P. Petursson×8

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J. Webb — researcher profile on SciRah

S. Bleiziffer×8

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R. Kornowski — researcher profile on SciRah