Lausanne Heart

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Publications

2011

Conference papers and abstracts

Virag N, Uldry L, Vesin J-M, Kappenberger L. Impact of anatomical reentries during rapid pacing of atrial fibrillation from the septal area: a modeling study. Presented at: Heart Rhythm 2011;8:S325. May 2011.
[ Details | Link ]

Uldry L, Forclaz A, Virag N, Hocini M, Vesin J-M, Jais P, Kappenberger L, Haissaguerre M. Influence of additional atrial lesions on arrhythmia termination following pulmonary vein - linear ablation in a model of persistent atrial fibrillation. Presented at: Europace 2011;13(Suppl 3). June 2011
[ Details | Link ]

Uldry L, Virag N, Vesin J-M, Kappenberger L. Study of the effect of rapid pacing of atrial fibrillation on the non-paced atrium. Presented at: Europace 2011;13(Suppl 3). June 2011
[ Details | Link ]

L. Uldry, J. Van Zaen, L. Kappenberger, J.M. Vesin. Novel complexity measurements in the ECG differentiate persistent from permanent atrial fibrillation. Presented at: Europace 2011;13(Suppl 3). June 2011
[ Details | Link ]

J. Van Zaen, L. Uldry, A. Buttu, L. Kappenberger, J.M. Vesin. Harmonic frequency tracking algorithm for predicting the success of pharmacological cardioversion of atrial fibrillation. Presented at: Europace 2011;13(Suppl 3). June 2011
[ Details | Link ]

Kirchhof P, Lip GY, Van Gelder IC, Bax J, Hylek E, Kaab S, Schotten U, Wegscheider K, Boriani G, Brandes A, Ezekowitz M, Diener H, Haegeli L, Heidbuchel H, Lane D, Mont L, Willems S, Dorian P, Aunes-Jansson M, Blomstrom-Lundqvist C, Borentain M, Breitenstein S, Brueckmann M, Cater N, Clemens A, Dobrev D, Dubner S, Edvardsson NG, Friberg L, Goette A, Gulizia M, Hatala R, Horwood J, Szumowski L, Kappenberger L, Kautzner J, Leute A, Lobban T, Meyer R, Millerhagen J, Morgan J, Muenzel F, Nabauer M, Baertels C, Oeff M, Paar D, Polifka J, Ravens U, Rosin L, Stegink W, Steinbeck G, Vardas P, Vincent A, Walter M, Breithardt G, Camm AJ. Comprehensive risk reduction in patients with atrial fibrillation: emerging diagnostic and therapeutic options--a report from the 3rd Atrial Fibrillation Competence NETwork/European Heart Rhythm Association consensus conference. Europace (2011) doi: 10.1093/europace/eur241 First published online: July 26, 2011.
[ Details | Link ]

A Buttu, A Forclaz, P Pascale, SM Narayan, E Pruvot, JM Vesin. Morphological Study of Intracardiac Signals as a New Tool to Track the Efficiency of Stepwise Ablation of Persistent Atrial Fibrillation. Presented at: Computing In Cardiology 2011, Hangzhou, China. September 2011
[ Details | Link ]

A Buttu, S Volorio, A Forclaz, P Pascale, SM Narayan, E Pruvot, JM Vesin. Tracking of Stepwise Ablation of Persistent Atrial Fibrillation using Synchronization of nearby Electrogams. Presented at: Computing In Cardiology 2011, Hangzhou, China. September 2011
[ Details | Link ]

A Buttu, J Van Zaen, A Viso, A Forclaz, P Pascale, SM Narayan, JM Vesin, E Pruvot. A New Method for ECG Tracking of Persistent Atrial Fibrillation Termination during Stepwise Ablation. Presented at: Computing In Cardiology 2011, Hangzhou, China. September 2011
[ Details | Link ]

A Cabasson, L Dang, JM Vesin, A Buttu, R Ab¨acherli, R Leber, L Kappenberger. P-wave Indices to Detect Susceptibility to Atrial Fibrillation. Presented at: Computing In Cardiology 2011, Hangzhou, China. September 2011
[ Details | Link ]

2010

Journal papers

L. Uldry, N. Virag, V. Jacquemet, J.-M. Vesin. Optimizing Local Capture of Atrial Fibrillation by Rapid Pacing: Study of the Influence of Tissue Dynamics. Ann Biomed Eng, 38(12):3664-73, 2010.
[ Details | Link ]

S. Sovilj, A. van Oosterom, G. Rajsman, R. Magjarevic. ECG-based prediction of atrial fibrillation development following coronary artery bypass grafting. Physiol Meas, 31(5):663-677, 2010.
[ Details | Link ]

J. Van Zaen, L. Uldry, C. Duchêne, Y. Prudat, R. A. Meuli, M. M. Murray, and J.-M. Vesin. Adaptive tracking of EEG oscillations. Journal of Neuroscience Methods, 186(1):97-106, 2010.
[ Details | Link ]

Conference papers and abstracts

A. Forclaz, S. Narayan, Jadidi, A., Nault, I., L. Uldry et al. Early temporal and spatial regularization during ablation of persistent atrial fibrillation predicts arrhythmia termination. Presented at: Heart Rhythm, Denver, USA, May 12-15, 2010.
[ Details| Link ]

A. Forclaz, S. Narayan, Jadidi, A., Nault, I., L. Uldry et al. Temporal and spatial regularization of persistent atrial fibrillation is associated with arrhythmia free outcome. Presented at: Heart Rhythm, Denver, USA, May 12-15, 2010.
[ Details| Link ]

L. Uldry, N. Virag, J.-M. Vesin, L. Kappenberger. Effect of atrial fibrillation dynamics on the mechanisms of spontaneous termination. Presented at: Heart Rhythm, Denver, USA, May 12-15, 2010.
[ Details| Link ]

L. Uldry, N. Virag, J.-M. Vesin, L. Kappenberger. Estimation of tissue wavelength predicts the feasibility of local capture by rapid pacing in atrial fibrillation. Presented at: Heart Rhythm, Denver, USA, May 12-15, 2010.
[ Details| Link ]

A. Forclaz, S. Narayan, Jadidi, A., Nault, I., L. Uldry et al. Early spatial and temporal organization during atrial fibrillation ablation predicts arrhythmia termination. Europace (2010) 12(suppl 1): i13-i169. Presented at: Cardiostim, Nice, France, June 13-16, 2010.
[ Details| Link ]

L. Uldry, N. Virag, J.-M. Vesin, L. Kappenberger. Influence of pacing site on the spatial extent of capture during atrial fibrillation rapid pacing. Europace (2010) 12(suppl 1): i13-i169. Presented at: Cardiostim, Nice, France, June 13-16, 2010.
[ Details| Link ]

A. Cabasson, L. Dang, J.-M. Vesin, L. Kappenberger, R. Leber, and R. Abächerli. Susceptibility to Paroxysmal Atrial Fibrillation: A Study using Sinus Rhythm P Wave Parameters. In Computing In Cardiology, 2010.
[ Details | Link ]

F. Jousset, J. Tenkorang, P. Ruchat, J.-M. Vesin, E. Pruvot. Decreased Excitability as a Protective Mechanism Against Repolarization Alternans-Induced Atrial Reentry. Swiss Society of Cardiology, St-Gallen, CH, June 9-11, 2010.
[ Details| Link ]

A. Cabasson, L. Dang, J.-M. Vesin, L. Kappenberger. Paroxysmal AF susceptibility using P wave Parameters in Sinus Rhythm. Europace (2010) 12(suppl 1): i13-i169. Presented at: Cardiostim, Nice, France, June 13-16, 2010.
[ Details | Link ]

J. Tenkorang, F. Jousset, P. Ruchat, J.-M. Vesin, and E. Pruvot. Rate-dependence of 2:1 atrial capture as a protective mechanism against atrial tachycardia-induced atrial fibrillation. Europace (2010) 12(suppl 1): i13-i169. Presented at: Cardiostim, Nice, France, June 13-16, 2010.
[ Details | Link ]

Kappenberger L, Virag N. Tunnel propagation after defibrillation: a light at the end of the tunnel. Heart Rhythm. 2010 Jul;7(7):962-3. Epub 2010 Apr 20. No abstract available.

J. Tenkorang, F. Jousset, P. Ruchat, J.-M. Vesin, and E. Pruvot. Long-term intermittent atrial tachycardia decreases activation recovery interval, flattens its kinetics and blunts its rate dependence before sustained atrial fibrillation. European Society of Cardiology Congress, Stockholm, Sweden, August 28 - September 1, 2010.
[ Details | Link ]

Uldry L, Virag N, Jacquemet V, Vesin JM, Kappenberger L. Optimizing local capture of atrial fibrillation by rapid pacing: study of the influence of tissue dynamics. Ann Biomed Eng. 2010 Dec;38(12):3664-73. Epub 2010 Jul 9.

Book chapters

Uldry L, Virag N, Vesin J-M, Kappenberger L. Studies of Therapeutical strategies for atrial fibrillation based on a biophysical model of the human atria. In: Kerckhoffs RCP, ed, Patient Specific Modeling of the Cardiovascular System, Springer Science+Business Media 2010:63-79.

2009

Journal papers

L. Uldry, N. Virag, J.-M. Vesin, and L. Kappenberger. The effect of pacing site and frequency on capture of atrial fibrillation observed in a biophysical model. In European Heart Journal 2009, volume 30(Abstract Supplement), page 826, 2009.
[ Details | Link ]

P. van Dam, T. Oostendorp, A. Linnenbank, A. van Oosterom. Non-Invasive Imaging of Cardiac Activation and Recovery. Ann Biomed Eng, 37(9):1739-1756, 2009
[ Details | Link ]

A. van Oosterom. Measuring the T Wave of the Electrocardiogram; The How and Why. Measurement Science Review, 9(3):53-63, 2009.
[ Details | Link ]

A. van Oosterom and V. Jacquemet. Dominant Rotors in Atrial Fibrillation identified by means of Spectral Analysis. In 16th World Congress in Cardiac Electrophysiology and Cardiac Techniques. Blackwell Publishing, 2009.
[ Details | Link ]

A. van Oosterom, V. Jacquemet, The Effect of Tissue Geometry on the Activation Recovery Interval of Atrial Myocytes, Physica D, 238 (11-12): 962-968, 2009.

P. van Dam, T. F. Oostendorp, A. van Oosterom, Application of the fastest route algorithm in the interactive simulation of the effect of local ischemia on the ECG, Medical and Biological Engineering and Computing, 47 (1): 11-20, 2009.

Conference papers and abstracts

A. van Oosterom, Vectorcardiography Based Analysis of Atrial Fibrillation, 36th International Conference on Electrocardiology, Wroclaw, Paland, June 2009.
[ Details | Link ]

A. van Oosterom, V. Jacquemet. Ensuring stability in models of atrial kinetics. Computers in cardiology 2009, Park City, Utah, USA, Sept. 2009.

C. Duchêne, M. Lemay, J.-M. Vesin, and A. van Oosterom. Estimation of Atrial Multiple Reentry Circuits from Surface ECG Signals based on a Vectorcardiogram Approach. In Functional Imaging and Modeling of the Heart (FIMH'09) - 5th International Conference, FIMH 2009 Nice, France, June 3-5, 2009 Proceedings, volume 5528 of Lecture Notes in Computer Science, pages 277-284, Nice, France, 2009. Spinger.
[ Details | Link ]

L. Uldry, N. Virag, J.-M. Vesin, L. Kappenberger, The effect of pacing site and frequency on capture of atrial fibrillation observed in a biophysical model, ESC, Barcelona, Spain, Sept. 2009.

L. Uldry, N. Virag, J.-M. Vesin, L. Kappenberger, Optimization of antitachycardia pacing protocols applied to atrial fibrillation: insights from a biophysical model, IEEE EMBC, Minneapolis, USA, Sept. 2009.

L. Uldry, N. Virag, V. Jacquemet, J.-M. Vesin, L. Kappenberger, Spontaneous termination of atrial fibrillation: study of the effect of atrial geometry in a biophysical model, IEEE EMBC, Minneapolis, USA, Sept. 2009.

Abächerli R, Leber R, Lemay M, Vesin JM, van Oosterom A, Schmid HJ, Kappenberger L. Development of a toolbox for electrocardiogram-based interpretation of atrial fibrillation., J Electrocardiol. 2009 Nov-Dec;42(6):517-21. Epub 2009 Aug 20.

A. van Oosterom, Measuring the T Wave on the Electrocardiogram; Why and How, 7th International Conference on Measurement, Smolenice, Slovakia, May 2009.

Book chapters

L. Uldry, C. Duchene, Y. Prudat, M.-M. Murray, J.-M. Vesin, Adaptive tracking of EEG components, in Advanced Biosignal Processing, A. Naït-Ali (Ed), Springer, 2009.

2008

Journal papers

M. Lemay, Y. Prudat, V. Jacquemet and J.-M. Vesin, Phase-Rectified Signal Averaging Used to Estimate the Dominant Frequencies in ECG Signals During Atrial Fibrillation, IEEE Trans Biomed Eng, 55 (11): 2538-2547, 2008.

V. Jacquemet, L. Kappenberger, C.S. Henriquez, Modeling Atrial Arrhythmias: Impact on Clinical Diagnosis and Therapies, IEEE Rev. Biomed. Eng., 2008 (in press).

Conference papers and abstracts

E. Pruvot, A. van Oosterom, Understanding the ECG using Computer models; Dialogues with my biophysicist, Cardiostim, Lyon, France, 2008.

A. van Oosterom, V. Jacquemet, Dominant Rotors in Atrial Fibrillation identified by means of Spectral Analysis, Cardiostim, Lyon, France, 2008.

L. Uldry, R. Meuli, I. Bourquin, A. Brioschi, J. Ghika, P. Maeder, E. Fornari, Interhemispheric visual integration in Alzheimer's disease: changes in fMRI bold response in VP/V4 areas, The International Society for Magnetic Resonance in Medicine, Toronto, May 2008.

E. Pruvot, F. Jousset, P. Ruchat, J.-M. Vesin, T. Zerm, M. Fromer, Atrial repolarization alternans in a chronic sheep model of pacing-induced atrial fibrillation, Société Suisse de Cardiologie, Bern, Switzerland, May 2008.

A. van Oosterom, M. Lemay, V. Jacquemet, L. Kappenberger, Spectral analysis of the ECG identifies dominant rotors during atrial fibrillation, Société Suisse de Cardiologie, Bern, Switzerland, May 2008.

L. Uldry, I. Bourquin, A. Brioschi, E. Fornari, J. Ghika, P. Maeder, Alzheimer's disease and interhemispheric and interhemispheric visual integration: changes in fMRI bold response in VP/V4 areas, The 6th Forum of European Neuroscience, Geneva, July 2008.

L. Uldry, C. Duchene, Y. Prudat, R. Meuli, J.-M. Vesin, M.M. Murray, Adaptive tracking of multiple EEG oscillations in single-trial data, International Conference on Cognitive Neuroscience, Bodrum, September 2008.

M. Lemay, R. Abächerli, Development of a Toolbox for ECG Based Interpretation of Atrial Fibrillation, CTI Medtech 2008, Bern, Switzerland, September 2008.

A. van Oosterom, M. Lemay, L. Kappenberger, Full Spectral Analysis of the Atrial Components in the ECG during Atrial Fibrillation, CinC 2008, Bologna, Italy, September 2008.

M. Lemay, L. Dang, J.-M. Vesin, Quasi-Periodic Atrial Activity Components in the ECG Used to Discriminate between Paroxysmal and Chronic Atrial Fibrillation, CinC 2008, Bologna, Italy, September 2008.

Y. Prudat, F. Demorsier, M. Lemay, J.-M. Vesin, Adaptive Frequency Tracking on the ECG Used to Predict the Success of Electrical Cardioversion of Atrial Fibrillation, CinC 2008, Bologna, Italy, September 2008.

A. van Oosterom, The modeling and Processing of Atrial Fibrillation Signals, 35th Annual Meeting International Society of Electrocardiology, St. Petersburg, Russia, September 2008.

Book

P.W. MacFarlane, A. van Oosterom, M. Janse, P. Kligfield, J. Camm, O. Palm, Comprehensive Electrocardiology, Springer Verlag, 2008.

Book chapters

A. van Oosterom, V. Jacquemet, Modeling Atrial Fibrillation: From Myocardial Cells to ECG, in Understanding Atrial Fibrillation: the Signal Processing Contribution, S. Cerutti, L.T. Mainardi, L. Sornmo (Eds), Synthesis Lectures on Biomedical Engineering, Morgan Claypool, 2008.

N. Virag, L. Dang, P. Ruchat, J. Schlaepfer, L. Kappenberger, Computer simulation studies of atrial fibrillation, in Catheter ablation of atrial fibrillation, E. Aliot, M. Haissaguerre, W. Jackman (Eds), Oxford, Blackwell Publishing, 2008.

L. Kappenberger, Foreword I, J. Adamec, R. Adamec (Eds), Springer-Verlag, New York, 2008.

2007

Journal papers

Z. Ihara, A. van Oosterom, V. Jacquemet and R. Hoekema, Adaptation of the standard 12-lead ECG system dedicated to the analysis of atrial fibrillation, J Electrocardiol, 40 (1): 68.e1-68.e8, 2007.

M. Lemay, J.-M. Vesin, A. van Oosterom, V. Jacquemet and L. Kappenberger, Cancellation of Ventricular Activity in the ECG: Evaluation of novel and existing methods, IEEE Trans Biomed Eng, 54 (3): 542-546, 2007.

P. Ruchat, L. Dang, J. Schlaepfer, N. Virag, L. K. von Segesser and L. Kappenberger, A Biophysical Model of Atrial Fibrillation to Define the Appropriate Ablation Pattern in Modified Maze, Eur J Cardiothorac Surg, 31: 65-69, 2007.

M. Rotter, L. Dang, V. Jacquemet, N. Virag, L. Kappenberger and M. Haissaguerre, Impact of Varying Ablation Patterns in a Simulation Model of Persistent Atrial Fibrillation, Pacing Clin Electrophysiol, 30 (3): 314-321, 2007.

P. Ruchat, L. Dang, J. Schlaepfer, N. Virag, L. Karl and L. Kappenberger, Use of a biophysical model of atrial fibrillation in the interpretation of the outcome of surgical procedures, Eur J Cardiothorac Surg, 32: 90-95, 2007.

V. Jacquemet, Steady-State Solutions in Mathematical Models of Atrial Cell Electrophysiology and their Stability, Math. Biosci. 208: 241-269, 2007.

A. van Oosterom, Z. Ihara, V. Jacquemet and R. Hoekema, Vectorcardiographic lead systems for the characterization of atrial fibrillation, Journal of Electrocardiology, 40 (4): 343, 2007.

A. van Oosterom, E. Macchi, T. Oostendorp and M. Zabel, Model-based inferences for clinical applications of the ECG, Journal of Electrocardiology, 40: S17-S18, 2007.

M. Haissaguerre, K.T. Lim, V. Jacquemet, M. Rotter, L. Dang, M. Hocini, S. Matsuo, S. Knetch, P. Jais, N. Virag, Atrial fibrillatory cycle length: computer simulation and potential clinical importance, Europace, 9 (S6): vi64-vi70, 2007.

P. Ruchat, N. Virag, L. Dang, J. Schlaepfer, E. Pruvot, L. Kappenberger, A biophysical model of atrial fibrillation ablation: what can a surgeon learn from a computer model?, Europace, 9 (S6): vi71-vi76, 2007.

E. Pruvot, F. Jousset, P. Ruchat, J.-M. Vesin, Y. Prudat, T. Zerm, M. Fromer, Propagation velocity kinetics and repolarization alternans in a free-behaving sheep model of paced-indiced atrial fibrillation, Europace, 9 (S6): vi83-vi88, 2007.

M. Lemay, J.-M. Vesin, V. Jacquemet, L. Kappenberger, A. van Oosterom, Spatial Dynamic of Atrial Activity Assessed by Vectorcardiogram: from Sinus Rhythm to Atrial Fibrillation, Europace, 9 (S6): vi109-vi118, 2007.

P. van Dam, A. van Oosterom, Analysing the potential of Reveal for monitoring cardiac potentials, Europace, 9 (S6): vi119-vi123, 2007.

A. van Oosterom, Z. Ihara, R. Hoekema, Transfer matrices for deriving the vectorcardiogram: a consumer guide, Journal of Electrocardiology, 40 (6): S17-S18, 2007.

Conference papers and abstracts

N. Virag, Simulation informatique de la fibrillation atriale, Ateliers d'expertise rythmologie, Paris, France, March 2006.

A. van Oosterom, V. Jacquemet, The relationship between the activation recovery interval and the timing of activation of electric activity propagation in a bounded medium 3D space, Workshop on Non-linear Dynamics in Excitable Media, Ghent, Belgium, April 2007.

A. van Oosterom, Z. Ihara, R. Hoekema, Transfer matrices for deriving the vectorcardiogram: a consumer guide, ISCE 2007, Cancun, Mexico, April 2007.

V. Jacquemet, Aging and Modeling of Atrial Fibrosis, Heart Rhythm 2007, Denver, USA, May 2007.

A. van Oosterom, The Lausanne atrial model; recent applications; new projects, ESF/EMRC Workshop 2007, Oxford, United Kindom, May 2007.

M. Lemay, J.-M. Vesin, A. van Oosterom, V. Jacquemet, A. Forclaz, L. Kappenberger, Evaluation of novel and existing QRST cancellation methods, SSC 2007, Geneva, Switzerland, June 2007.

M. Lemay, Y. Prudat, V. Jacquemet, J.-M. Vesin, Phase-rectified Signal Averaging: A Useful Tool for the Estimation of the Dominant Frequency in ECG Signals during Atrial Fibrillation, EMBC 2007, Lyon, France, August 2007.

A. van Oosterom, T.F. Oostendorp, ECGSIM and its application, CinC 2007, Durham, USA, October 2007.

M. Lemay, V. Jacquemet, J.-M. Vesin, A. van Oosterom, Mean Firing Rate of Atrial Fibrillation as Estimated from the ECG: Evaluation Using a Biophysical Model, CinC 2007, Durham, USA, October 2007.

PhD theses

Mathieu Lemay,
Data Processing Techniques for the Characterization of Atrial Fibrillation.
2007, Thèse EPFL, Nr 3982.

2006

Journal papers

A. van Oosterom, The surface Laplacian Operator of the Potentials on a Bounded Volume Conductor as a Unique Inverse, IEEE Trans Biomed Eng, 53(5): 1449-1450, 2006.

Z. Ihara, A. van Oosterom, and R. Hoekema, Atrial repolarization as observable during PQ interval, J Electrocadiol, 39(3): 290-297, 2006.

V. Jacquemet, Pacemaker Activity Resulting from the Coupling with Non-Excitable Cells, Physical Review E, vol. 74, no. 1, p. 011908, July 2006.

V. Jacquemet, A. van Oosterom, J.-M. Vesin and L. Kappenberger, Analysis of electrocardiograms during atrial fibrillation, IEEE Eng Med Biol Mag, 25(6): 79-88, 2006.

Conference papers and abstracts

O. Divorra Escoda, L. Granai, M. Lemay, J. Molinero Hernandez, P. Vandergheynst, J.-M. Vesin, Ventricular and Atrial Activities Estimation through Sparse ECG Signal Decompositions, ICASSP, In Proc ICASSP 2006, BIO-P1.7, Toulouse, France, May 2006.

N. Virag, L. Dang, L. Kappenberger, The effect of Antitachycardia Pacing on Phase Singularities Observed in a Biophysical Model of Atrial Fibrillation, Heart Rhythm 2006, Boston, USA, May 2006.

E. Pruvot, Y. Prudat, S. Granges, O. Muller, J.-M. Vesin, A. van Oosterom, L. Kappenberger, M. Fromer, P. Ruchat, Atrial repolarization alternans and conduction velocity kinetics in a sheep model of atrial fibrillation, SSC 2006, Basel, Switzerland, June 2006.

A. van Oosterom, Modeling Atrial Electrograms and ECGs, Cardiostim 2006, Nice, France, June 2006.

V. Jacquemet, Modeling of the atrial fibrosis, Cardiostim 2006, Nice, France, June 2006.

N. Virag, Simulations of AF therapies, Cardiostim 2006, Nice, France, June 2006.

A. Forclaz, M. Lemay, S. Granges, J.-M. Vesin, L. Kappenberger, Hidden organization of Atrial Fibrillation, Cardiostim 2006, Nice, France, June 2006.

E. Pruvot, Y. Prudat, S. Granges, O. Muller, J.-M. Vesin, A. van Oosterom, L. Kappenberger, M. Fromer, P. Ruchat, Atrial repolarization alternans and conduction velocity kinetics in a sheep model of atrial fibrillation, Cardiostim 2006, Nice, France, June 2006.

T. F. Ostendorp, G. Fisher, A. Linnenbank, A. van Oosterom, Application  of Cardiac Activation Time Imaging to Clinical Data, 2nd Symposium on Virtual Visualization of the Reconstructed Electrocardiographic Display, Halle, Belgium, June 2006.

A. van Oosterom, Modeling Atrial Components, ICE 2006, Köln, Germany, June-July 2006.

T. F. Oostendorp, Application of Cardiac Activation Time Imaging to Clinical Data, ICE 2006, Köln, Germany, June-July 2006.

T.F. Oostendrop, A. van Oosterom, G. Fischer, Multi Foci based Initial Estimate for Cardiac Activation Time Imaging, ICE 2006, Köln, Germany, June-July 2006.

V. Jacquemet, M. Lemay, A. van Oosterom, L. Kappenberger, Spatiotemporal Complexity of Atrial Arrhythmias Assessed throught the Dynamics of the Equivalent Dipole, ICE 2006, Köln, Germany, June-July 2006.

A. van Oosterom, (1) ECGSIM and its background (2) Progress report on signal processing of AF components in the ECG (3) Electrical volume conduction theory; implications for signal processing and interpretation, SCHILLER Digital Signal Processing meeting (DSP 2006), Baar, Swityerland, July 2006.

A. Linnenbank, A. van Oosterom, T. Oostendorp, P. van Dessel, A. van Rossum, R. Coronel, H. Tan, J. de Bakker, Non invasive imaging of activation times during drug induced conduction changes, WC 2006 Seoul, In Proc WC 2006 Seoul, Seoul, Korea, August 2006.

N. Virag, L. Dang, L. Kappenberger, Combination of Ablation and Pacing Therapies to Treat Atrial Fibrillation: Study in a Biophysical Model, WCC 2006, Barcelona, Spain, September 2006.

V. Jacquemet, M. Lemay, A. van Oosterom, L. Kappenberger, The Equivalent Dipole Used to Characterize Atrial Fibrillation, CinC 2006, Valencia, Spain, September 2006.

A. van Oosterom, V. Jacquemet, The QRS-integral of an electrogram as an indicator of the subsequent local action potential duration, CinC 2006, Valencia, Spain, September 2006.

Y. Prudat, J.-M. Vesin, S. Granges, P. Ruchat, M. Fromer, O. Muller, H. Abriel, L. Kappenberger, E. Pruvot, Conduction Velocity Kinetics and Repolarization Alternans in a Sheep Model of Pacing-Induced Atrial Fibrillation, CinC 2006, Valencia, Spain, September 2006.

Book chapters

A. Linnenbank, A. van Oosterom, T. Oostendorp, P. van Dessel, A. van Rossum, R. Coronel, H. Tan, J. de Bakker, Non-invasive Advances in Electrocardiology, M. Hiraoka, S. Ogawa, I. Kodam, H. Inoue, H. Kasanuki and T. Katoh (Eds), World Scientific, Singapore, 2005, pp.807-815.

L. Kappenberger, Bradycardia, In The ESC textbook of cardiovascular medicine, A. J. Camm, T. F. Lüscher, P. W. Serroys (Eds), Wiley-Blackwell, 2006, pp.807-829.

PhD theses

Zeinichi Ihara,
Design and performance of lead systems for the analysis of atrial signal components in the ECG.
2006, Thèse EPFL, Nr 3565.

2005

Journal papers

R. MacLeod, F. Kornreich, A. van Oosterom, P. Rautaharju, R. Selvester, G. Wagner, C. Zywietz, Report of the first virtual visualization of the reconstructed electrocardiographic display symposium, J Electrocardiol, 38(4):385-399, 2005.

V. Jacquemet, N. Virag, L. Kappenberger, Wavelength and vulnerability to atrial fibrillation: insights from a computer model of human atria, Europace, 7:S83-S92, 2005.

A. van Oosterom and V. Jacquemet, Genesis of the P wave: atrial Signals as generated by the equivalent double layer source model, Europace, 7:S21-S29, 2005.

P. M. van Dam and A. van Oosterom, Volume conductor effect involved in the genesis of the P wave, Europace, 7:S30-S38, 2005.

V. Jacquemet and C.S. Henriquez, Finite Volume stiffness matrix for solving anisotropic cardiac propagation in 2D and 3D unstructured meshes, IEEE Trans Biomed Eng, 52(8):1490-1492, 2005.

L. Dang, N. Virag, Z. Ihara, V. Jacquemet, J.-M. Vesin, J. Schlaepfer, P. Ruchat and L. Kappenberger, Evaluation of ablation patterns using a biophysical model of atrial fibrillation, Ann Biomed Eng, 33(4):465-474, 2005.

Conference papers and abstracts

L. Dang, J. Schlaepfer, N. Virag, L. Kappenberger, P. Ruchat, A biophysical model of atrial fibrillation to define the appropriate ablation pattern in modified Maze, EACTS, In Proc EACTS/ESTS, p. 270-I, Barcelona, Spain, Sept. 2005.

A. van Oosterom and P. van Dam, The intra-myocardial distance function used in inverse computations of the timing of depolarization and repolarization, Comput Cardiol, In Proc Comput Cardiol, pp. 567-570, Lyon, France, Sept. 2005.

V. Jacquemet, M. Lemay, J.-M. Vesin, A. van Oosterom and L. Kappenberger, A biophysical model of ECG signals during atrial fibrillation to evaluate the performance of QRST cancellation algorithms, Comput Cardiol, In Proc Comput Cardiol, pp. 343-346, Lyon, France, Sept. 2005.

M. Lemay, V. Jacquemet, A. Forclaz and J.-M. Vesin, Spatiotemporal QRST cancellation method using separate QRS and T-Waves templates, Comput Cardiol, In Proc Comput Cardiol, pp. 611-614, Lyon, France, Sept. 2005.

Z. Ihara, V. Jacquemet and A. van Oosterom, Adaptation of the ECGs standard 12-Lead system focusing on atrial electrical activity, Comput Cardiol, In Proc Comput Cardiol, pp. 203-205, Lyon, France, Sept. 2005.

A. van Oosterom, V. Jacquemet, J.-M. Vesin and L. Kappenberger, Model-based inferences for the analysis of electrocardiograms during atrial fibrillation, in Proc Internat Meeting on Atrial Fibrillation, pp. 119-126, Bologna, Italy, Sept. 2005.

M. Lemay, A. Forclaz, J.-M. Vesin and L. Kappenberger, Discrimination of atrial fibrillation using a frequency analysis base on etiology, European Heart Journal, (Abstr. Suppl.), ESC, Stockholm, Sweden, Sept. 2005.

L. Dang, M. Rotter, N. Virag, V. Jacquemet, L. Kappenberger and M. Haissaguerre, Impact of excluded surface around the pulmonary veins on incidence of atrial flutter in a biophysical model of atrial fibrillation, European Heart Journal, (Abstr. Suppl.), ESC, Stockholm, Sweden, Sept. 2005.

V. Jacquemet, M. Lemay, J.-M. Vesin, A. van Oosterom and L. Kappenberger, Electrocardiograms during atrial fibrillation: a biophysical model, In Proc SSBE, p.F11, SSBE, Lausanne, Switzerland, Sept. 2005.

Z. Ihara and A. van Oosterom and R. Hoekema, Atrial repolarization as observable in the PR interval, In Proc SSBE, p.F10, SSBE, Lausanne, Switzerland, Sept. 2005.

Z. Ihara and A. van Oosterom, On improving vectorcardiographic lead systems for the characterization of atrial electric activity, Europace Suppl, 7(S1):84, EUROPACE, Prague, Czech Repulic, June 2005.

L. Dang, N. Virag, J. Schlaepfer, P. Ruchat and L. Kappenberger, Evaluation of ablation patterns using a biophysical model of atrial fibrillation, Europace Suppl, 7(S1):69, EUROPACE, Prague, Czech Repulic, June 2005.

N. Virag, L. Dang and L. Kappenberger, Study of antitachycardia pacing of atrial arrhytmias in a biophysical model, Europace Suppl, 7(S1):124, EUROPACE, Prague, Czech Repulic, June 2005.

M. Lemay, A. Forclaz, S. Granges, J.-M. Vesin and L. Kappenberger, The hidden organisation of atrial fibrillation, Médecine Cardiovasculaire, 8(S8):S8, SSC, Lausanne, Switzerland, June 2005.

L. Dang, N. Virag, J. Schaepfer, P. Ruchat and L. Kappenberger, Comparison of standard ablation patterns using a biophysical model of atrial fibrillation, Médecine Cardiovasculaire, 8(S8):S53, SSC, Lausanne, Switzerland, June 2005.

A. van Oosterom and V. Jacquemet, A Parametrized Description of Transmembrane Potential used in Forward and Inverse Procedures, Folia Cardiologica, 12 (suppl. D):111, ISE/ISHNE , Gdansk, Ploand, June 2005.

V. Jacquemet, M. Lemay, J. Vesin, L. Kappenberger and A. van Oosterom, Dominant frequency of atrial fibrillation estimated from the surface ECG, Heart Rhythm, 2:302-303, HRS, New Orleans, USA, May 2005.

V. Jacquemet, M. Rotter, L. Dang, N. Virag, L. Kappenberger and M. Haissaguerre, Evaluation of combined pulmonary vein Isolation and linear ablation in a biophysical model of atrial fibrillation, Heart Rhythm, 2:274-275, HRS, New Orleans, USA, May 2005.

Book chapters

A. van Oosterom,Reflections on T waves, In Advances in Electrocardiology, M. Hiraoka, S. Ogawa, I. Kodam, H. Inoue, H. Kasanuki and T. Katoh (Eds), World Scientific, Singapore, 2005, pp.807-815.

PhD theses

Lam Dang,

An investigation into therapies for atrial arrhythmias using a biophisical model of the human atria.

2005, Thèse EPFL, Nr 3391.

2004

Journal papers

A. van Oosterom, The dominant T wave, J Electrocardiol Suppl, 37:193-197, 2004.

A. van Oosterom and T.F. Oostendorp, ECGSIM an interactive tool for simulating QRST, Heart, 90:165-168, 2004.

Conference papers and abstracts

T. F. Oostendorp and A. van Oosterom, ECGSIM: an Interactive tool for the study of the relation between the electric activity of the heart and the QRST waveforms at the body surface, in Proc EMBS, 44(2):3559-3562, EMBS, San Francisco, USA, September 2004.

M. Lemay, J. Vesin, Z. Ihara and L. Kappenberger, Suppression of ventricular activity in the surface electrocardiogram of atrial fibrillation, in Proc ICA, pp. 1995-1102, Granada, Spain, Sept. 2004.

M. Lemay, Z. Ihara, J. Vesin and L. Kappenberger, Computers in cardiology/physioNet challenge 2004 : AF classification based on clinical features, Comput Cardiol, 2004, 31:669-672, Chicago, USA, Sept. 2004.

L. Dang, P. Ruchat, J. Schlaepfer, N. Virag and L. Kappenberger, Study of the surgical Maze III procedure in a computer model of atrial fibrillation, European Heart Journal, 25 (Abstr. Suppl.):543, ESC, Munich, Germany, Aug. 2004.

L. Dang., N. Virag, J. Schlaepfer, V. Jacquemet, L. Kappenberger and P. Ruchat, Simplified maze procedure for the treatement of chronic atrial fibrillation-comparison of clinical data with results from a computer model of human atria, Heart Rhythm, 1(S1): S77, HRS, San Francisco, USA, May 2004.

PhD theses

Vincent Jacquemet,
A biophysical model of atrial fibrillation and electrograms: formulation, validation and applications,

2004, Thèse EPFL, Nr 2996.

2003

Journal papers

V. Jacquemet, N. Virag, Z. Ihara, L. Dang, O. Blanc, S. Zozor, J.-M. Vesin, L. Kappenberger and C. Henriquez, Study of unipolar electrogram morphology in a computer model of atrial fibrillation, J Cardiovasc Electrophysiol, 14(10 Suppl):S172-179, 2003.

S.Zozor, O. Blanc, V. Jacquemet, N. Virag, J.-M. Vesin, E. Pruvot, L. Kappenberger, C. Henriquez, A numerical scheme for modeling wavefront propagation on a monolayer of arbitrary geometry, IEEE Trans Biomed Eng, 50(4):412-420, 2003.

Conference papers and abstracts

L. Dang, N. Virag, Z. Ihara, V. Jacquemet, O. Blanc, J.-M. Vesin J and L. Kappenberger, Evaluation of ablation patterns by means of a computer model of human atria, in Proc EMBS, 1:126-129, Cancun, Mexico, Sept. 2003.

L. Kappenberger, N. Virag, L. Dang, V. Jacquemet, A. Forclaz, J. Schlaepfer and P. Ruchat, "How to study atrial fibrillation: a computer model", in Proc. Internat. Meeting on Atrial Fibrillation, pp.15-21, Bologna, Italy, Sept. 2003.

N.Virag, O. Blanc, L. Dang, V. Jacquemet, Z. Ihara, J.-M. Vesin, C.S. Henriquez, L.Kappenberger, Characterizing anti-tachy pacing efficiency in a numerical model of human atrial arrhythmias, European Heart Journal, 24 (Abstr. Suppl.):601, ESC, Vien, Austria, Sept. 2003.

V. Jacquemet, N. Virag, Z. Ihara, L. Dang, O. Blanc, J.-M. Vesin, C.S. Henriquez, L. Kappenberger, A computer model of sustained atrial fibrillation to study atrial electrograms, Int J Bioelectromag, 5(1):181-182, ICE, Helsinki, Finland, June 2003.

V. Jacquemet, Z. Ihara, L. Dang,O. Blanc, N. Virag, J.-M. Vesin, L. Kappenberger and C.S. Henriquez, Analysis of electrogram morphology to detect gross structural remodeling during chronic AF: a model study, PACE, 24(4 Part II):1025, NASPE, Washington, DC, USA, Apr. 2003.

L. Dang, Z. Ihara, V. Jaquemet, N. Virag, O. Blanc, J.-M. Vesin, and L. Kappenberger, Optimization of antitachycardia pacing using a computer model of atrial arrhytmias, PACE, 24(4 Part II):1025, Washington, DC, USA, Apr. 2003.

2002

Journal papers

N. Virag, V. Jacquemet, C.S. Henriquez, S. Zozor, O. Blanc, J.-M. Vesin, E. Pruvot and L. Kappenberger, Study of atrial arrhythmias in a computer model based on MR images of human atria, Chaos, 12(3):754-763, 2002.

Conference papers and abstracts

V. Jacquemet, N. Virag, C.S. Henriquez, O. Blanc, J.-M. Vesin, E. Pruvot and L. Kappenberger, Study of initiation and perpetuation of atrial fibrillation in a computer model of human atria based on magnetic resonance Images , European Heart Journal , 23 (Abstr. Suppl.):46, ESC, Berlin, Germany, Sept. 2002.

V. Jacquemet, S. Zozor, N. Virag, O. Blanc, J.-M. Vesin, C.S. Henriquez, E. Pruvot and L. Kappenberger, Simulated atrial fibrillation in a computer model of human atria, in Proc of the 14th Int Conf on Digital Signal Processing, 1:393-398, DSP, Santorini, Greece, Jul. 2002.

V. Jacquemet, C.S. Henriquez, S. Zozor, N. Virag, E. Pruvot, O. Blanc, J.-M. Vesin, and L. Kappenberger, Simulation of atrial electrograms during atrial fibrillation, PACE, 24(PartII):605, NASPE, San Diego, CA, USA, Apr. 2002.

PhD theses

Olivier Blanc,
A computer model of human atrial arrhythmia,
2002, Thèse EPFL, Nr 2537.

2001

Journal papers

O. Blanc, N.Virag, J.-M. Vesin and L. Kappenberger, A computer model of atria with reasonable computation load and realistic anatomicla properties, IEEE Trans Biomed Eng, 48(11):1229-1237, 2001.

Conference papers and abstracts

E. Pruvot, V. Jacquemet, J.-M. Vesin, O. Blanc, N. Virag, J. Koerfer, M. Fromer and L. Kappenberger, Periods of prolonged transient alternans in APD revealed by delivery of an extrastimulus near period-doubling bifurcation, PACE, 24 (Part II):670, NASPE, Boston, MA, USA, Apr. 2001.

E. Pruvot, V. Jacquemet, J.-M. Vesin, N. Virag, O. Blanc, M. Fromer, and L. Kappenberger, Delivery of an extrastimulus near bifurcation in APD reveals periods of prolonged transient alternans, PACE, 24 (Part II):670, NASPE, Boston, MA, USA, Apr. 2001.

Books

Nathalie Virag, PhD, Olivier Blanc, MS and Lukas Kappenberger, MD
Computer simulation and experimental assessment of cardiac electrophysiology, Edited by Futura Publishing, Armonk, New York, 2001, pp 21-28.

Book chapters

O. Blanc, N.Virag, A. Nicoulin, V. Jacquemet, J-M. Vesin and L. Kappenberger, Simulation of arrythmias in a computer model of human atria, In Computer Simulation and Experimental Assessment of Cardiac Electrophysiology, N. Virag, O. Blanc, L. Kappengerger (Eds), Futura Publishing, Armonk, New York, 2001, pp 21-28.

E. Pruvot, V. Jacquemet, J.-M. Vesin, N. Virag, O. Blanc, J. Koerfer, M. Fromer, L. Kappenberger, Action potential duration alternans in a mono-cellular model based on Beeler-Reuter kinetics, in Computer Simulation and Experimental Assessment of Cardiac Electrophysiology, N.Virag, O.Blanc, L. Kappenberger (Eds), Futura Publishing, Armonk, New York, 2001, pp 69-77.

N.Virag, O. Blanc, O. Eick, J.-M. Vesin and L. Kappenberger, A computer model to test therapeutic interventions for atrial fibrillation, in Computer Simulation and Experimental Assessment of Cardiac Electrophysiology, N.Virag, O.Blanc, L. Kappenberger (Eds), Futura Publishing, Armonk, New York, 2001, pp 139-144.

2000

Conference papers and abstracts

O. Blanc, N.Virag, O. Egger, J.-M. Vesin and L. Kappenberger, A computer model of atrial arrhytmias, IJBEM, 2(2), CardioModel, Karlsruhe, Germany, Sept. 2000.

O. Blanc, N.Virag and L. Kappenberger, The virtual organ: computer modeling as a tool for the understanding of atrial arrhythmias, Int J of Art Organs, 23(8):28, XXVIII ESAO Congress, Lausanne, Switzerland, Aug. 2000.

M. Boegli, O. Blanc, N.Virag, J.-M. Vesin and L. Kappenberger, Study of defibrillation precess in a computer model of human atria, Med Physics, 27(6):1412, World Congress on Medical Physics and Biomedical Engineering, Chicago, USA, Jul. 2000.

O. Blanc, N.Virag, M. Boegli, J.-M. Vesin, and L.Kappenberger, Comparison between propagation in a numerical and in a real microscopic cardiac tissue, Med Physics, 27(6):1376, World Congress on Medical Physics and Biomedical Engineering, Chicago, USA, Jul. 2000.

1999

Journal papers

O. Blanc, J.-M. Vesin, N.Virag, O. Egger, J. Koerfer and L.Kappenberger, Computer simulation of atrial arrhythmias, EPFL Supercomputing Review, 11:32-35, 1999.

N. Virag, J.-M. Vesin and L. Kappenberger, A computer model of cardiac electrical activity for the simulation of arrhythmias, Pacing Clin Electrophysiol, 21(11 Pt 2):2366-2371, 1999.

Conference papers and abstracts

O. Blanc, N.Virag, J.-M. Vesin and L.Kappenberger, Virtual RF ablation in a 3D computer model of atrial arrythmias, In Proc of The First Joint BMES/EMBS Conference, 1:315, Atlanta, GA, USA, Oct. 1999.

N. Virag, O.Blanc, J.-M. Vesin and L. Kappenberger, 3D computer model of atrial arrhythmias, in Proc of The First Joint BMES/EMBS Conference, 2:1198, Atlanta, GA, USA, Oct. 1999.

L. Kappenberger, O. Blancand N. Virag, A three-dimensional computer model for the study of atrial arrhytmias, In Proc of International Meeting on Atrial Fibrillation, pp. 89-90, Bologna, Italy, Sept. 1999.

N.Virag, O. Blanc, J.-M. Vesin and L.Kappenberger, Study of the mechanisms of arrhythmias in an anatomical computer model of human atria, Comput Cardiol. 1999, pp. 113-116, Hannover, Germany, Sept. 1999.

N.Virag, O. Blanc, J.-M. Vesin and L.Kappenberger, Study of the mechanisms of arrhythmias in an anatomical computer model of human atria, Comput Cardiol. 1999, pp. 113-116, Hannover, Germany, Sept. 1999.

L.Kappenberger, O. Blanc, N.Virag, O. Egger, J.-M. Vesin and J. Koerfer, Virtual RF ablation in a three-dimensional anatomical computer model of the atrium, in Proc of the XXIst Congress of the European Society of Cardiology, pp. 328, ESC, Barcelona, Spain, August. 1999.

N.Virag, O. Blanc, O. Egger, J.-M. Vesin, J. Koerfer and L.Kappenberger, The virtual atria, a new model to study atrial flutter and atrial fibrillation, PACE, 22:A84, XIth World Symposium on Cardiac Pacing and Electrophysiology, 1999.

1998

Conference papers and abstracts

N. Virag, J.-M. Vesin and L. Kappenberger, Electrocardiogram simulation with an ionic current computer model of the cardiac tissue, in Proc of the 20th Annual International Conference of the IEEE, 1:32-35, EMBS, Oct. 1998.

L. Kappenberger, N. Virag and J.-M. Vesin, A computer model of cardiac electrical activity for the simulation of arrhythmias, Caridiostim, tome 91 no special, p.33, June 1998.

N. Virag, J. Koerfer, J.-M. Vesin and L. Kappenberger, A computer model of cardiac electrical activity propagation for the simulation and study of arrhythmias,PACE, 21 (Part II):873, NASPE, USA, Mai 1998.