S. L. Nielsen

发表

Two-dimensional mitral flow velocity profiles in pig models using epicardial Doppler echocardiography.

E. M. Pedersen, A. Yoganathan, W. Kim, 1994, Journal of the American College of Cardiology.

Chordal force distribution determines systolic mitral leaflet configuration and severity of functional mitral regurgitation.

A. Yoganathan, N. T. Andersen, A. Fontaine, 1998, Journal of the American College of Cardiology.

Influence of anterior mitral leaflet second-order chordae on leaflet dynamics and valve competence.

P Dagum, J M Hasenkam, A F Bolger, 2001, The Annals of thoracic surgery.

Differential tension between secondary and primary mitral chordae in an acute in-vivo porcine model.

Sten Lyager Nielsen, J Michael Hasenkam, N. T. Andersen, 2002, The Journal of heart valve disease.

Influence of Anterior Mitral Leaflet Second-Order Chordae Tendineae on Left Ventricular Systolic Function

Neil B. Ingels, Ann F. Bolger, J. Michael Hasenkam, 2003, Circulation.

Three-dimensional assessment of papillary muscle displacement in a porcine model of ischemic mitral regurgitation.

Steffen Ringgaard, Thomas S Sørensen, J Michael Hasenkam, 2010, The Journal of thoracic and cardiovascular surgery.

Long-term changes of right ventricular myocardial deformation and remodeling studied by cardiac magnetic resonance imaging in patients with chronic thromboembolic pulmonary hypertension following pulmonary thromboendarterectomy.

V. Hjortdal, S. Ringgaard, W. Y. Kim, 2019, International journal of cardiology.

In Vitro System for Measuring Chordal Force Changes Following Mitral Valve Patch Repair

J. B. Askov, R. A. Levine, J. M. Hasenkam, 2012, Cardiovascular engineering and technology.

Edge-to-Edge Mitral Valve Repair Without Ring Annuloplasty for Acute Ischemic Mitral Regurgitation

D. C. Miller, G. Daughters, T. Timek, 2003, Circulation.

Limited ischemic necrosis despite prolonged basilar artery occlusion treated with local thrombolysis: a clinicopathologic study.

D. Seidenwurm, P. Akins, S. L. Nielsen, 2001, Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association.

Long-term changes of exercise hemodynamics and physical capacity in chronic thromboembolic pulmonary hypertension after pulmonary thromboendarterectomy.

V. Hjortdal, S. L. Nielsen, S. Poulsen, 2020, International journal of cardiology.

Small intestinal submucosa tricuspid valve tube graft shows growth potential, remodelling and physiological valve function in a porcine model†.

Steffen Ringgaard, V. Hjortdal, S. Ringgaard, 2017, Interactive cardiovascular and thoracic surgery.

Papillary muscle force distribution after total tricuspid reconstruction using porcine extracellular matrix: in-vitro valve characterization.

M. Jensen, S. L. Nielsen, H. Jensen, 2014, The Journal of heart valve disease.

Functional and Biomechanical Performance of Stentless Extracellular Matrix Tricuspid Tube Graft: An Acute Experimental Porcine Evaluation.

M. Jensen, V. Hjortdal, S. L. Nielsen, 2016, The Annals of thoracic surgery.

Latissimus dorsi cardiomyoplasty: a chronic experimental porcine model. Feasibility study of cardiomyoplasty in Danish Landrace pigs and Göttingen minipigs.

A. E. Gravergaard, J. Hasenkam, S. L. Nielsen, 1998, Laboratory animal science.

Transapical neochord implantation: is tension of artificial chordae tendineae dependent on the insertion site?

M. Jensen, E. Sloth, S. L. Nielsen, 2014, The Journal of thoracic and cardiovascular surgery.

Reverse remodeling of tricuspid valve morphology and function in chronic thromboembolic pulmonary hypertension patients following pulmonary thromboendarterectomy: a cardiac magnetic resonance imaging and invasive hemodynamic study

V. Hjortdal, S. Ringgaard, S. L. Nielsen, 2021, BMC Cardiovascular Disorders.

Moderate mitral regurgitation in patients undergoing CABG – the MoMIC trial

P. McCarthy, H. Mølgaard, H. Egeblad, 2009, Scandinavian cardiovascular journal : SCJ.

External approach to in vivo force measurement on mitral valve traction suture.

M. Jensen, J. Hasenkam, S. L. Nielsen, 2012, Journal of biomechanics.

A long-term porcine model for evaluation of prosthetic heart valves.

V. Hjortdal, J. Funder, J. Hasenkam, 2004, The heart surgery forum.

Durability after aortic valve replacement with the Mitroflow versus the Perimount pericardial bioprosthesis: a single-centre experience in 2393 patients.

I. Modrau, V. Hjortdal, S. L. Nielsen, 2016, European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Standard aortic St. Jude valve at 18 years: performance profile and determinants of outcome.

O. Lund, S. L. Nielsen, H. Pilegaard, 2000, The Annals of thoracic surgery.

Edge-to-edge mitral repair: gradients and three-dimensional annular dynamics in vivo during inotropic stimulation.

P. Dagum, G. Daughters, T. Timek, 2001, European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Mitral annuloplasty ring with selective flexibility for septal-lateral contraction and remodelling properties.

S. L. Nielsen, J. Couétil, Marcell J Tjørnild, 2018, Interactive cardiovascular and thoracic surgery.

Regional Changes in Leaflet Coaptation Dynamics After Total Tricuspid Reconstruction.

V. Hjortdal, S. L. Nielsen, H. Jensen, 2017, The Annals of thoracic surgery.

Edge-to-Edge Mitral Repair: Tension on the Approximating Suture and Leaflet Deformation During Acute Ischemic Mitral Regurgitation in the Ovine Heart

D. C. Miller, G. Daughters, T. Timek, 2001, Circulation.

Semi-rigid mitral annuloplasty rings improve myocardial stress adaptation compared to rigid rings: insights from in vitro and in vivo experimental evaluation†

M. Jensen, H. Nygaard, S. L. Nielsen, 2017, European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Mitral valve annular downsizing forces: implications for annuloplasty device development.

Andrew W. Siefert, J. Benediktsson, A. Yoganathan, 2014, The Journal of thoracic and cardiovascular surgery.

Annular Dynamics and Leaflet Geometry in Patch Reconstruction of the Posterior Mitral Leaflet After Adding a Flexible Annuloplasty Ring

J. Hasenkam, S. L. Nielsen, D. M. Røpcke, 2020, Cardiovascular Engineering and Technology.

Perforation of the Anterior Mitral Leaflet After Impella LP 5.0 Therapy in Cardiogenic Shock.

C. Terkelsen, E. Christiansen, S. L. Nielsen, 2016, The American journal of cardiology.

Effect of Chronotropy and Inotropy on Stitch Tension in the Edge-to-Edge Mitral Repair

D. C. Miller, G. Daughters, T. Timek, 2007, Circulation.

Annular and subvalvular dynamics after extracellular matrix mitral tube graft implantation in pigs.

J. Hasenkam, S. L. Nielsen, D. M. Røpcke, 2021, Interactive cardiovascular and thoracic surgery.

Mitral Valve Posterior Leaflet Reconstruction Using Extracellular Matrix: In Vitro Evaluation.

J. Hasenkam, S. L. Nielsen, D. M. Røpcke, 2020, Cardiovascular engineering and technology.

Mitral valve posterior leaflet reconstruction using extracellular matrix: an acute porcine study†

J. Hasenkam, S. L. Nielsen, F. Waziri, 2018, European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Papillary Muscle Force Transducer for Measurement In Vivo

J. B. Askov, M. Jensen, J. Hasenkam, 2011 .

201-Thallium imaging as an indicator of graft patency after coronary artery bypass surgery.

O. Amtorp, S. L. Nielsen, P. Fritz-Hansen, 1984, European heart journal.

In-plane Tricuspid Valve Force Measurements: Development of a Strain Gauge Instrumented Annuloplasty Ring

J. B. Askov, M. Jensen, J. Hasenkam, 2013, Cardiovascular Engineering and Technology.

In-plane Tricuspid Valve Force Measurements: Development of a Strain Gauge Instrumented Annuloplasty Ring

J. B. Askov, M. Jensen, J. Hasenkam, 2013 .

Strut chordal-sparing mitral valve replacement preserves long-term left ventricular shape and function in pigs.

Steffen Ringgaard, Won Yong Kim, Morten Smerup, 2005, The Journal of thoracic and cardiovascular surgery.

Off-pump transapical implantation of artificial neo-chordae to correct mitral regurgitation: the TACT Trial (Transapical Artificial Chordae Tendinae) proof of concept.

O. Alfieri, F. Mohr, M. Borger, 2014, Journal of the American College of Cardiology.

Consequences of mitral valve prolapse on chordal tension: ex vivo and in vivo studies in large animal models.

Alain Bel, Philippe Menasché, Robert A Levine, 2011, The Journal of thoracic and cardiovascular surgery.

Miniature C-Shaped Transducers for Chordae Tendineae Force Measurements

Hans Nygaard, Ajit P. Yoganathan, Sten Lyager Nielsen, 2004, Annals of Biomedical Engineering.

Biomechanical characterization and comparison of different aortic root surgical techniques.

J. Hasenkam, H. Nygaard, S. L. Nielsen, 2018, Interactive cardiovascular and thoracic surgery.

Long‐term changes of resting and exercise right ventricular systolic performance in patients with chronic thromboembolic pulmonary hypertension following pulmonary thromboendarterectomy – A two‐dimensional and three‐dimensional echocardiographic study

V. Hjortdal, S. L. Nielsen, S. Poulsen, 2019, Echocardiography.

Current status of transcatheter mitral valve repair therapies – From surgical concepts towards future directions

S. L. Nielsen, 2016, Scandinavian cardiovascular journal : SCJ.

Mechanism of incomplete mitral leaflet coaptation--interaction of chordal restraint and changes in mitral leaflet coaptation geometry. Insight from in vitro validation of the premise of force equilibrium.

Ajit P Yoganathan, Hans Nygaard, Sten Lyager Nielsen, 2002, Journal of biomechanical engineering.

Performance profile of the Starr-Edwards aortic cloth covered valve, track valve, and silastic ball valve.

O. Lund, S. L. Nielsen, H. Pilegaard, 1999, European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Significance of force transfer in mitral valve-left ventricular interaction: in vivo assessment.

Hans Nygaard, J Michael Hasenkam, J. B. Askov, 2013, The Journal of thoracic and cardiovascular surgery.

Geometric determinants of chronic functional ischemic mitral regurgitation: insights from three-dimensional cardiac magnetic resonance imaging.

T. Sørensen, M. Jensen, S. Ringgaard, 2008, The Journal of heart valve disease.

The prevalence of moderate mitral regurgitation in patients undergoing CABG

H. Mølgaard, H. Egeblad, P. Wierup, 2009, Scandinavian cardiovascular journal : SCJ.

Entire mitral reconstruction with porcine extracellular matrix in an acute porcine model.

J. Hasenkam, S. L. Nielsen, D. M. Røpcke, 2020, The Journal of thoracic and cardiovascular surgery.

Entire mitral valve reconstruction using porcine extracellular matrix: static in vitro evaluation.

J. Hasenkam, S. L. Nielsen, D. M. Røpcke, 2018, European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Imbalanced chordal force distribution causes acute ischemic mitral regurgitation: mechanistic insights from chordae tendineae force measurements in pigs.

Hans Nygaard, Sten Lyager Nielsen, J Michael Hasenkam, 2005, The Journal of thoracic and cardiovascular surgery.

Saddle-shaped mitral valve annuloplasty rings improve leaflet coaptation geometry.

R. Levine, A. Yoganathan, M. Jensen, 2007, The Journal of thoracic and cardiovascular surgery.

Mitral annular size predicts Alfieri stitch tension in mitral edge-to-edge repair.

Trevor Hastie, David Liang, Philip Beineke, 2004, The Journal of heart valve disease.

The effect of different mitral annuloplasty rings on valve geometry and annular stress distribution†.

M. Jensen, H. Nygaard, S. L. Nielsen, 2017, Interactive cardiovascular and thoracic surgery.

New mitral annular force transducer optimized to distinguish annular segments and multi-plane forces.

A. Yoganathan, M. Jensen, H. Nygaard, 2016, Journal of biomechanics.

Simultaneous in- and out-of-plane Mitral Valve Annular Force Measurements

M. Jensen, H. Nygaard, S. L. Nielsen, 2015, Cardiovascular Engineering and Technology.

Impact of Papillary Muscle Relocation as Adjunct Procedure to Mitral Ring Annuloplasty in Functional Ischemic Mitral Regurgitation

M. Jensen, S. Ringgaard, N. T. Andersen, 2009, Circulation.

Saddle-Shaped Mitral Valve Annuloplasty Rings Experience Lower Forces Compared With Flat Rings

Ajit P Yoganathan, Morten Smerup, Hans Nygaard, 2008, Circulation.

Mid-term function and remodeling potential of tissue engineered tricuspid valve: Histology and biomechanics.

V. Hjortdal, S. L. Nielsen, Sten L Nielsen, 2018, Journal of biomechanics.

Biomechanical assessment of the aortic root using novel force transducers.

H Nygaard, T Bechsgaard, J L Hønge, 2017, Journal of biomechanics.

Simultaneous in- and out-of-plane Mitral Valve Annular Force Measurements

M. Jensen, H. Nygaard, S. L. Nielsen, 2015, Cardiovascular engineering and technology.

Surgical relocation of the papillary muscles in functional ischemic mitral regurgitation: what are the forces of the relocation stitches acting on the myocardium?

M. Jensen, S. Ringgaard, J. Hasenkam, 2013, The Journal of heart valve disease.

Aberrant origin of the right coronary artery: diagnostic and surgical aspects.

D. Steinbrüchel, S. L. Nielsen, H. Kure, 1996, European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Mitral ring annuloplasty relieves tension of the secondary but not primary chordae tendineae in the anterior mitral leaflet.

Peter Johansen, John Michael Hasenkam, Sten Lyager Nielsen, 2011, The Journal of thoracic and cardiovascular surgery.

Papillary muscle misalignment causes multiple mitral regurgitant jets: an ambiguous mechanism for functional mitral regurgitation.

A. Yoganathan, A. Fontaine, J. Hasenkam, 1999, The Journal of heart valve disease.

Mitral valve mechanics following posterior leaflet patch augmentation.

Hans Nygaard, Robert A Levine, Albert Hagège, 2012, The Journal of heart valve disease.

Remodeling Mitral Annuloplasty Ring Concept with Preserved Dynamics of Annular Height.

M. Jensen, H. Nygaard, S. L. Nielsen, 2017, The Journal of heart valve disease.

Altered stresses and dynamics after single and double annuloplasty ring for aortic valve repair

J. Hasenkam, S. L. Nielsen, D. M. Røpcke, 2020, European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Chronic ischemic mitral regurgitation induced in pigs by catheter-based coronary artery occlusion.

S. Ringgaard, J. Hasenkam, P. Wierup, 2008, The Journal of heart valve disease.

A catheter based chronic porcine model of post-infarct dilated heart failure

S. Ringgaard, J. Hasenkam, P. Wierup, 2009, Scandinavian cardiovascular journal : SCJ.

Surgical Treatment of Functional Ischemic Mitral Regurgitation.

M. Jensen, S. L. Nielsen, Henrik Jensen, 2015, The Journal of heart valve disease.

Abstract 3177: Saddle-shaped Mitral Valve Annuloplasty Rings Improve Leaflet Coaptation Geometry

J. Hasenkam, H. Nygaard, S. L. Nielsen, 2007 .