Computing in Cardiology 2015, Volume 42

1: Rosanna Degani Young Investigator Finals Chairs: Peter Macfarlane, Olaf Dössel

Rate-Adapted Dynamic-Clamp of the Funny Current in Sinoatrial Pacemaker Cells 1

Chiara Bartolucci, Enrico Ravagli, Annalisa Bucchi, Mirko Baruscotti, Dario DiFrancesco, Stefano Severi

Left atrium MRI 4D-flow in atrial fibrillation: association with LA function 5

Morgane Evin, Fraser M Callaghan, Carine Defrance, Stuart M Grieve, Alain De Cesare, Philippe Cluzel,

Alban Redheuil, Nadjia Kachenoura

Extraction of Morphological QRS-based Biomarkers in Hypertrophic Cardiomyopathy for Risk 9

Stratification Using L1 Regularized Logistic Regression

Aurore Lyon, Ana Mincholé, Rina Ariga, Pablo Laguna, Stefan Neubauer, Hugh Watkins, Nando de Freitas, Blanca Rodríguez

Three-Dimensional Segmentation and Quantification of the Anatomic Regurgitant Orifice in Mitral 13

Regurgitation using 3D Ultrasound Images

Miguel Sotaquira, Mauro Pepi, Gloria Tamborini, Enrico Caiani

2-1: Blood Pressure Analysis Chairs: Eduardo Gil, Paolo Castiglioni

Need for Re-validation of Automated Blood Pressure Devices for Use in Unstable Conditions 17

Dingchang Zheng, Chengyu Liu, John Amoore, Stephan Mieke, Alan Murray

Beat-to-beat Response Patterns of Spectral Sympathetic Estimators to the Cold Face Test and their 21

Comparison to those of the Active Orthostatic Test

Salvador Carrasco-Sosa, Alejandra Guillén-Mandujano, Aldo R Mejía-Rodríguez

Accurate and consistent automatic seismocardiogram annotation without concurrent ECG 25

Alexandre Laurin, Kouhyar Tavakolian, Farzad Khosrow-Khavar, Andrew Blaber

Heart Rate Estimation from Dual Pressure Sensors of a Dialysis Machine 29

Mattias Holmer, Frida Sandberg, Kristian Solem, Bo Olde, Leif Sörnmo

Performance of the Low Frequency Power of Pulse Pressure Variability as a Sympathetic Activity 33

Measure during Supine Rest, Controlled Breathing, Standing and Exercise

Salvador Carrasco-Sosa, Alejandra Guillén-Mandujano

Pulse Transit Time Extraction from Seismocardiogram and its Relationship with Pulse Pressure 37

Ajay Verma, Reza Fazel-Rezai, Andrew Blaber, Kouhyar Tavakolian

2–2: Atrial Fibrillation Classification Chairs: Frida Sandberg, Pietro Bonizzi

Classification of Atrial Fibrillation Episodes by Means of Phase Variations of Time-Frequency 41

Transforms

Nuria Ortigosa, Óscar Cano, Antonio Galbis, Carmen Fernández

Adaptive Wavelets Applied to Automatic Local Activation Wave Detection in Fractionated Atrial 45

Electrograms of Atrial Fibrillation

Jorge Felix, Raul Alcaraz, Jose J Rieta

Study on the Trustability of Phase Mapping Methods to Represent Atrial Potentials in Atrial 49

Fibrillation

Jorge Felix, Vincent Jacquemet, Raul Alcaraz, Jose J Rieta

Unifying Automated Fractionated Atrial Electrograms Classification using Electroanatomical 53

Mapping Systems in Persistent Atrial Fibrillation Studies

Tiago P Almeida, Gavin S Chu, João L Salinet, Frederique J Vanheusden, Xin Li, Jiun H Tuan, Peter J Stafford, G André Ng, Fernando S Schlindwein

Combination of Frequency and Phase to Characterise the Spatiotemporal Behaviour of Cardiac 57

Waves during Persistent Atrial Fibrillation in Humans

Nawshin Dastagir, Xin Li, Frederique J Vanheusden, Tiago P Almeida, João Salinet, Gavin S Chu, Peter J Stafford, G André Ng, Fernando S Schlindwein

Investigation on Recurrent High Dominant Frequency Spatiotemporal Patterns during Persistent 61

Atrial Fibrillation

Xin Li, Gavin S Chu, Tiago P Almeida, Frederique J Vanheusden, Nawshin Dastagir, João L Salinet, Peter J Stafford, G André Ng, Fernando S Schlindwein

2-3: Cardiac Electrophysiology Chairs: Johannes Struijk, Alan Murray

Using Electromechanical Signals Recorded from the Body for Respiratory Phase Detection and 65

Respiratory Time Estimation: A Comparative Study

Nasim Alamdari, Kouhyar Tavakolian, Vahid Zakeri, Reza Fazel-Rezai, Mikko Paukkunen, Raimo Sepponen, Alireza Akhbardeh

Electrical Dyssynchrony on Noninvasive Electrocardiographic Mapping correlates with SAI QRST 69

on surface ECG

Larisa Tereshchenko, Elyar Ghafoori, Muammar Kabir, Markus Kowalsky

A Computational Model of Open-Irrigated Electrode for Endocardial RF Catheter Ablation 73

Ana González-Suárez, Enrique Berjano, Jose M Guerra, Luca Gerardo-Giorda

An Additional Marker of Ventricular Dyssynchrony 77

Pavel Jurak, Josef Halamek, Filip Plesinger, Tereza Reichlova, Jolana Lipoldova, Miroslav Novak, Katerina Jurakova,

Pavel Leinveber

Preliminary Comparison Study of Two Electro-Mechanical Cardiopulmonary Resuscitation Devices 81

Alejandro Mendoza Garcia, Stefan Eichhorn, Annemarie Stroh, Marcin Polski, Alois Knoll

Analysis of the Spectrum of Cardiac Signals during Partially Correlated Spatiotemporal Dynamics: 85

A Simulation Approach

Ferney A Beltrán-Molina, Lizet C Salgado, Luis J Martinez, Jesús Requena-Carrión

2-4: Cardiac Chamber Quantification Chairs: Victor Mor-Avi, Trygve Eftestøl

Right Ventricular Diastolic Function Evaluation in Magnetic Resonance Imaging 89

Nadjia Kachenoura, Emilie Bollache, Alban Redheuil, Stéphanie Clément-Guinaudeau, Ludivine Perdrix,

Benoit Diebold, Magalie Ladouceur, Elie Mousseaux

Automated Detection of Left Atrium Boundary in Intra-cardiac Echocardiography During Atrial 93

Fibrillation Ablation

Rachele Angeletti, Corrado Tomasi, Matteo Zimmitti, Cristiana Corsi

Quantification of Myocardial Viability in Late-Gadolinium Enhancement Cardiac MRI 97

M Chiara Carminati, Cinzia Boniotti, Mauro Pepi, Enrico G Caiani

Model-based 3-D LV Shape Recovery in Biplane X-Ray Angiography: A-Priori Information Learned 101

from CT

Roland Swoboda, Josef Scharinger, Clemens Steinwender

Evaluation of Different Statistical Shape Models for Segmentation of the Left Ventricular 105

Endocardium from Magnetic Resonance Images

Concetta Piazzese, M Chiara Carminati, Andrea Colombo, Rolf Krause, Mark Potse, Lynn Weinert, Gloria Tamborini, Mauro Pepi, Roberto M Lang, Enrico G Caiani

A Nearly-Automated Approach for Left Ventricular Segmentation using Feature Asymmetry from 109

Real-time 3D Echocardiography

Claudio Fabbri, Simone Pertutti, Cristiana Corsi

3-1: Wearable Technology Chairs: Alan Kennedy, Eliasz Kantoch

BAN-Based Health Telemonitoring System for In-Home Care 113

Eliasz Kańtoch

A Multi-Channel Electrode-Tissue Impedance Detection Approach for Motion Artifact Suppression 117

in Ambulatory Electrocardiography

Huanqian Zhang, Shulin Zhang, XiaoWei Du, Qinghui Jin, Ruojie Tao, Qing Li, Jian Yang, Jianlong Zhao

A Wearable Device for Physical and Emotional Health Monitoring 121

Srinivasan Murali, Francisco Rincon, David Atienza

Wearable Monitoring: A Project for the Unobtrusive Investigation of Sleep Physiology Aboard the 125

International Space Station

Marco Di Rienzo, Emanuele Vaini, Prospero Lombardi

3–2: Fetal Signal Modelling and Analysis Chairs: Julien Oster, Roberto Sassi

A Qualitative Dynamical Model for Cardiotocography Simulation 129

Alfredo Illanes, Michel Haritopoulos, Felipe Robles, Francisco Guerra

Fetal Heart Rate Complexity Measures to Detect Hypoxia 133

Óscar Barquero-Pérez, Rebeca Goya-Esteban, Antonio Caamaño, Carlos Martín-Caballero, José Luis Rojo-Álvarez

Mutual Information Estimates of CTG Synchronization 137

Philip A Warrick, Emily F Hamilton

Fetal ECG Extraction Using Hybrid BSS Techniques 141

Luis Omar Sarmiento Alvarez, Alberto Gonzalez, Jose Millet Roig

3-3: Repolarization and Potassium Channels Chairs: Olivier Meste, Ronald Wilders

Quantification of the Ionic Current Contributions to Alterations in the Action Potential 145

Repolarization by means of Piecewise-Linear Approximation

Michelangelo Paci, Jari Hyttinen, Stefano Severi

Drug toxicity on cardiac pacemaking: a multi-scale modelling study 149

Xiangyun Bai, Henggui Zhang, Kuanquan Wang, Yongfeng Yuan, Qince Li, Na Zhao

Diabetes Affects the Temporal Dynamics of the Repolarization Properties of Cardiomyocytes 153

Olivier Meste, Marianna Meo, Sergio Signore, Marcello Rota

Real-Time Simulation of IK1 in Cardiomyocytes Derived from Human Induced Pluripotent Stem 157

Cells

Rosalie ME Meijer van Putten, Isabella Mengarelli, Kaomei Guan, Jan G Zegers, Antoni CG van Ginneken, Arie O Verkerk, Ronald Wilders

3-4: Ambulatory ECG Chairs: Laura Burattini, Luca Mainardi

Real-Time Probabilistic Heart-Beat Classification and Correction for Embedded Systems 161

Grégoire Surrel, Francisco Rincón, Srinivasan Murali, David Atienza

On the derivation of the spatial QRS-T angle from Mason-Likar leads I, II, V2 and V5 165

Daniel Guldenring, Dewar Finlay, Raymond Bond, Alan Kennedy, James McLaughlin

ECG-Derived Respiration for Ambulatory Monitoring 169

Carolina Varon, Sabine Van Huffel

3–5: New Trends in Cardiac Imaging Chairs: Claudio Lamberti, Nadjia Kacheneura

Inter-study Repeatability of Left Ventricular Strain Measurement Using Feature Tracking on MRI 173

Cine Images

Jérôme Lamy, Gilles Soulat, Alban Redheuil, Morgane Evin, Elie Mousseaux, Nadjia Kachenoura

Speckle Tracking Analysis for Early Detection of Cardiotoxicity in Breast Cancer Patients 177

Cinzia Lorenzini, Claudio Lamberti, Michele Aquilina

Spectral Analysis of Electroanatomical Maps for Spatial Bandwidth Estimation as Support to Ablation 181

Margarita Sanromán-Junquera, Inmaculada Mora-Jiménez, Arcadio García-Alberola, José Luis Rojo-Álvarez

4-1: Databases and Web Technology Chairs: Raymond Bond, Catherine Chronaki

Cardiology eHealth Messages Routing Policies Management Driven by Dynamic Bayesian Networks 185

Nachoua Guizani, Jocelyne Fayn

Designing Reliable Cohorts of Cardiac Patients Across MIMIC and eICU 189

Catherine Chronaki, Abdullah Shahin, Roger Mark

Web Application for Data Exchange and Follow-up in Heart Rate Turbulence 193

Cristina Soguero-Ruiz, Alfonso Sánchez-Caro, Inmaculada Mora-Jiménez, Luis Lechuga-Suárez, Arcadi García-Alberola,

José Luis Rojo-Álvarez

Interactive Progressive-based Approach to Aid the Human Interpretation of the 12-lead 197

Electrocardiogram

Andrew Cairns, Raymond Bond, Dewar Finlay, Cathal Breen, Daniel Guldenring, Robert Gaffney, Patrick Henn, Aaron Peace

4-2: ECG Interval Analysis Chairs: Rute Almeida, Jean-Marc Vesin

Optimizing the Short- and Long Term Regression for QRS Detection in Presence of Missing Data 201

Piotr Augustyniak

Robustness of the segmented-beat modulation method to noise 205

Angela Agostinelli, Corrado Giuliani, Sandro Fioretti, Francesco Di Nardo, Laura Burattini

A Noise Robust QRS Delineation Method Based on Path Simplification 209

Tomás Teijeiro, Paulo Félix, Jesús Presedo

T-P Interval Estimation in Case of Overlapping Waves 213

Hervé Rix, Aline Cabasson, Michal Kania, Olivier Meste

4-3: ECG Imaging Chairs: Linwei Wang, Dana Brooks

Quantitative Comparison of Two Cardiac Electrical Imaging Methods to Localize Pacing Sites 217

Jaume Coll-Font, Petr Stovicek, Dana H Brooks, Peter M van Dam

In-vivo Evaluation of Reduced-Lead-Systems in Noninvasive Reconstruction and Localization of 221

Cardiac Electrical Activity

Matthijs Cluitmans, Joël Karel, Pietro Bonizzi, Monique de Jong, Paul Volders, Ralf Peeters, Ronald Westra

Local Conduction Velocity Mapping for Electrocardiographic Imaging 225

Corentin Dallet, Laura Bear, Josselin Duchateau, Mark Potse, Nejib Zemzemi, Valentin Meillet, Yves Coudière,

Rémi Dubois

Inverse Localization of Ischemia in a 3D Realistic Geometry: A Level Set Approach 229

Carlos E Chávez, Felipe Alonso-Atienza, Nejib Zemzemi, Yves Cudière, Diego Álvarez

Effect of the Torso Conductivity Heterogeneities on the ECGI Inverse Problem Solution 233

Nejib Zemzemi, Cecile Dobrzynski, Laura Bear, Mark Potse, Corentin Dallet, Yves Coudière, Remi Dubois,

Josselin Duchateau

Comparison of Temporal Dimensionality Reduction Methods for Constrained Inverse in Cardiac 237

Electrical Imaging

Jaume Coll-Font, Danila Potyagaylo, Walther Schulze, Olaf Doessel, Dana H Brooks

4-4: Blood Pressure Dynamics Chairs: Dingchang Zheng, Vito Starc

Synchronization of Respiratory, Heartbeat and Blood Pressure Signals: 3D Plots and Indices 241

Efrosini Gatsori, George Manis

Comparison of Methods to Measure Baroreflex Sensitivity in Brugada Syndrome 245

Mireia Calvo, Virginie Le Rolle, Daniel Romero, Nathalie Béhar, Pedro Gomis, Philippe Mabo, Alfredo Hernández

Heart Failure, End-Systolic Pressure-Volume Relation 249

Rachad Shoucri

Aortic-finger Pulse Transit Time vs R-derived Pulse Arrival Time: a Beat-to-Beat Assessment 253

Emanuele Vaini, Prospero Lombardi, Marco Di Rienzo

Changes of Pulse Wave Velocity in Lower Limbs in Hypertensive Patients 257

Magdalena Matejkova, Vlastimil Vondra, Ladislav Soukup, Filip Plesinger, Ivo Viscor, Josef Halamek, Pavel Jurak

5–1: Atrial Fibrillation Clinical Prediction Chairs: Philip Langley, Marianna Meo

Automated Home Monitoring of Atrial Fibrillation in Heart Failure Patients 261

Silviu Dovancescu, Saeed Babaeizadeh

Assessing Measures of Atrial Fibrillation Clustering via Stochastic Models of Episode Recurrence 265

and Disease Progression

Julie Eatock, Yen Ting Lin, Eugene TY Chang, Tobias Galla, Richard H Clayton

Drifting Rotors Prevalence Is Associated with Dominant Frequency Reduction after Persistent Atrial 269

Fibrillation Ablation

João Salinet, Maria S Guillem, Tiago Almeida, Xin Li, Gustavo Goroso, Gavin Chu, G André Ng, Fernando Schlindwein

5-2: Challenge I Chairs: Ikaro Silva, Gari Clifford

The PhysioNet/Computing in Cardiology Challenge 2015: Reducing False Arrhythmia Alarms in the 273

ICU

Gari Clifford, Ikaro Silva, Benjamin Moody, Qiao Li, Danesh Kella, Abdullah Shahin, Tristan Kooistra, Diane Perry, Roger Mark

A Multimodal Approach to Reduce False Arrhythmia Alarms in the Intensive Care Unit 277

Sibylle Fallet, Sasan Yazdani, Jean-Marc Vesin

False Alarms in Intensive Care Unit Monitors: Detection of Life-threatening Arrhythmias Using 281

Elementary Algebra, Descriptive Statistics and Fuzzy Logic

Filip Plesinger, Petr Klimes, Josef Halamek, Pavel Jurak

Reducing False Arrhythmia Alarms Using Robust Interval Estimation and Machine Learning 285

Christoph Hoog Antink, Steffen Leonhardt

Reduction of False Critical ECG Alarms using Waveform Features of Arterial Blood Pressure 289

and/or Photoplethysmogram Signals

Wei Zong

Decreasing the False Alarm Rate of Arrhythmias in Intensive Care Using a Machine Learning 293

Approach

Linda M Eerikäinen, Joaquin Vanschoren, Michael J Rooijakkers, Rik Vullings, Ronald M Aarts

5-3: Cardiorespiratory Applications Chairs: Guy Carrault, Kouhyar Tavakolian

A Robust Detection Algorithm to Identify Breathing Peaks in Respiration Signals from 297

Spontaneously Breathing Subjects

Chathuri Daluwatte, Christopher G Scully, George C Kramer, David G Strauss

A comparison of Obstructive Sleep Apnoea Detection using Three Different ECG Derived 301

Respiration Algorithms

Nadi Sadr, Philip de Chazal

Identification of Respiratory Phases Using Seismocardiogram: A Machine Learning Approach 305

Vahid Zakeri, Kouhyar Tavakolian

Sleep Apnea Detection Directly from Unprocessed ECG through Singular Spectrum Decomposition

Computing in Cardiology 2015, Volume 42

Table of Contents