Computers in Cardiology 2003, Volume 30

Thessaloniki, Greece

M1	Rossana Degani Young Investigator Award
S21	DICOM-ECG
S22	Blood Pressure Control
S23	Diagnostic ECG
S24	Coronary Artery Imaging
M3	Plenary Session
S41	Telemedicine I
S42	Atrial Fibrillation
S43	Repolarization
S44	Echocardiography
S51	Telemedicine II
S52	Ventricular Fibrillation
S53	Challenge 2003
S54	Cardiovascular Mechanics I
S61	Databases
S62	Q-T: Models and Testing
S63	Respiration and Sleep
S64	Cardiovascular Mechanics II
P71	Decision Support Systems
P72	Support Systems
P73	Data Management Systems
P74	Models
P75	Heart Rate Variability
P76	Fibrillation
P77	Blood Pressure Control
P78	ECG Repolarization
P79	ECG: Arrhythmia
P7A	ECG: Diagnostic
P7B	ECG: Miscellaneous
P7C	CT/MRI
P7D	Coronary Artery Disease
P7E	Echocardiography
P7F	Miscellaneous
M8	Plenary
S91	Systems-Knowledge
S92	Heart Rate Variability
S93	Arrhythmia
S94	CT/MRI
SA1	Decision Support
SA2	Models
SA3	Blood Pressure Control
SA4	ECG

M1 Rossana Degani Young Investigator Award

Table of Contents

Automated Quantification of the Effects of Low Body Negative Pressure on Left Ventricular Function during Parabolic Flight 1
C Corsi, P Vaida, EG Caiani
Slow Conduction within Infarct Scars as a Source of High–Frequency Oscillations in the QRS Signal 5
A Kapela, CF Starmer, A Bezerianos
Controlling Alternans in Cardiac Cells 9
M Li, RF Gilmour, ML Riccio, NF Otani
A Novel Retrospective Gating Method for Intracoronary Ultrasound Images based on Image Properties 13
SA de Winter, R Hamers, M Degertekin, K Tanabe, PA Lemos, PW Serruys, JRTC Roelandt, N Bruining

S21 DICOM-ECG

Table of Contents

A Year in the Life of the OpenECG Network 17
CE Chronaki, F Chiarugi, PJ Lees, A Macerata, F Conforti, M Bruun-Rasmussen, R Ruiz Fernandez, C Zywietz
Communication and Retrieval of ECG Data: How Many Standards Do We Need? 21
R Fischer, F Chiarugi, JJ Schmid, T Norgall, C Zywietz
A Gateway between the SCP-ECG and the DICOM Supplement 30 Waveform Standards 25
V Sakkalis, F Chiarugi, S Kostomanolakis, C Chronaki, M Tsiknakis, SC Orphanoudakis
DICOM Compliant Environment for Structured Reporting in Echocardiography 29
S Nedevschi, D Olinic, R Popovici, F Rusu, A Smeu, C Homorodean
Analytical Solution to Simplified Circulatory Model using Piecewise Linear Elastance Function 45
JJS Chen, T Heldt, GC Verghese, RG Mark

S22 Blood Pressure Control

Table of Contents

Assessment of Latency in Baroreflex Control of Heart Rate during Spontaneous Behavior 33
M Di Rienzo, G Parati, P Castiglioni
Success of Different Techniques to Induce Regular Changes in RR-Intervals and Systolic Blood Pressure Levels 37
EJ Bowers, A Murray
Modeling the Role of Arterial Windkessel in the Enhancement and Synchronization of Low Frequency Vasomotor Activity 41
G Baselli, A Porta, M Pagani

S23 Diagnostic ECG

Table of Contents

Improvement of QRS Boundary Recognition by Means of Unsupervised Learning 49
B Tighiouart, P Rubel, M Bedda
Searching for Non-Sense: Identification of Pacemaker Non-Sense and Non-Capture Failures using Machine Learning Techniques 53
MR Malinowski, RJ Povinelli
Assessment of Selected ECG Voltage Criteria for Abnormality in Eccentric and Concentric Left Ventricular Hypertrophy 57
FU Huwez, PW Macfarlane
Rhythm Classification using Reconstructed Phase Space of Signal Frequency Sub-bands 61
FM Roberts, RJ Povinelli, KM Ropella

S24 Coronary Artery Imaging

Table of Contents

ActiveVessel: A New Multimedia Workstation for Intravascular Ultrasound and Angiography Fusion 65
D Rotger, M Rosales, J García, O Pujol, J Mauri, P Radeva
Near Real-Time Plaque Segmentation of IVUS 69
O Pujol, D Rotger, P Radeva, O Rodriguez, J Mauri
Computer Assisted Three-Dimensional Plaque Characterization in Intracoronary Ultrasound Studies 73
SA de Winter, I Heller, R Hamers, PJ de Feyter, PW Serruys, JRTC Roelandt, N Bruining
In Vivo Estimation of Coronary Mechanical Wall Deformation and its Relation to Plaque Formation 77
M Roberts, SP Corney, A Thomson, J Bashford, AG Kan

M3 Plenary Session

Table of Contents

Estimation of Right Ventricular Volume without Geometrical Assumptions Utilizing Cardiac Magnetic Resonance Data 81
R Battani, C Corsi, A Sarti, C Lamberti, T Piva, R Fattori
Estimation of the Respiratory Activity from Orthogonal ECG Leads 85
AM Bianchi, GD Pinna, M Croce, MT La Rovere, R Maestri, E Locati, S Cerutti
Prognostic Value of Intra-QRS and ST-T Micro-Variability: A Two Year Follow-Up 89
HA Kestler, M Hoeher
Average Heart Rate, Atrial Fibrillation and R-on-T Ventricular Ectopy in 24h Holter Recordings Predict All-Cause Mortality in Healthy Middle-Aged Men 93
AE de Koning, CA Swenne, W Agema, AC Maan, H Van de Vooren, V Manger Cats, MJ Schalij, EE van der Wall
Segmentation of Heart Rate Variability in Different Physical Activities 97
HL Chan, CH Lin, YL Ko

S41 Telemedicine I

Table of Contents

An eHealth Platform for Instant Interaction among Health Professionals 101
CE Chronaki, F Chiarugi, E Mavrogiannaki, C Demou, P Lelis, D Trypakis, M Spanakis, M Tsiknakis, SC Orphanoudakis
Home Telemonitoring of Chronic Heart Failure Patients: Novel System Architecture of the Home or Hospital in Heart Failure Study 105
GD Pinna, R Maestri, M Roma, JL Scanferlato, A Giordano, F Comazzi, M Ferrari, D Andrews, P Johnson, S Capomolla, A Mortara
An IT Approach to Cardiovascular Care based on Primary Care 109
M Clarke, RW Jones
Towards New Integrated Information and Communication Infrastructures in E-Health: Examples from Cardiology 113
J Fayn, C Ghedira, D Telisson, H Atoui, J Placide, L Simon-Chautemps, P Chevalier, P Rubel
Multiagent Home Telecare Platform for Patients with Cardiac Diseases 117
V Traver, E Monton, JL Bayo, JM García, J Hernandez, S Guillen
Telemetric ECG Diagnosis Follow-Up 121
R Bousseljot, U Grieger, D Kreiseler, L Schmitz, H Koch, S Beckmann, C Bethge, H von Nettelhorst, K Stangl

S42 Atrial Fibrillation

Table of Contents

Integrated Shape Averaging of the P-Wave Applied to AF Risk Detection 125
S Boudaoud, H Rix, JJ Blanc, JC Cornily, O Meste
Reconstruction of Atrial Signals Derived from the 12-Lead ECG using Atrial Signal Extraction Techniques 129
P Langley, JJ Rieta, M Stridh, J Millet-Riog, L Sörnmo, A Murray
Stationarity of Surface ECG Atrial Fibrillatory Wave Characteristics in the Time and Frequency Domains in Clinically Stable Patients 133
Q Xi, AV Sahakian, J Ng, S Swiryn
Analysis of Spatial Variation in the Atrial Fibrillation Frequency from the Multi-Channel Magnetocardiogram 137
P Langley, U Steinhoff, L Trahms, M Oeff, A Murray
Quantifying Intracardiac Organization by Combined Spectral and Spatial Phase Analysis of the Electrocardiogram 141
SM Narayan, V Bhargava
Segregating Non-Isthmus Dependent Atrial Flutter from Organized Atrial Fibrillation using Spectral and Spatial Phase Analysis of the Electrocardiogram 145
SM Narayan, GK Feld, A Hassankhani, V Bhargava

S43 Repolarization

Table of Contents

T-Wave Morphology and Arrhythmic Events in Patients with Dilated Cardiomyopathy 149
JP Couderc, W Zareba, X Xia, M Andrew, AJ Moss
Assessment of Repolarization Based on Body Surface Measurements 153
Gy Sándor, K Szakolczai
Evaluation of QT Interval Response to Marked RR Interval Changes Selected Automatically in Ambulatory Recordings 157
E Pueyo, P Smetana, M Malik, P Laguna
Detection of T Wave Alternans in Non-Stationary Noise: a GLRT Approach 161
JP Martínez, S Olmos
A Parametric Model Approach for Quantification of Short Term QT Variability Uncorrelated with Heart Rate Variability 165
R Almeida, E Pueyo, JP Martínez, AP Rocha, S Olmos, P Laguna

S44 Echocardiography

Table of Contents

Quantitative Ultrasonic Myocardial Blood Flow Reserve Reproducibility in Men 169
DF Vitale, A Nicolino, GL Iannuzzi, G Longobardi, G Furgi, F Cacciatore, F Rengo
Contrast Echography Segmentation and Tracking by Trained Deformable Models 173
J García, D Rotger, F Carreras, R Leta, P Radeva
Segmental Quantitative Analysis of Myocardial Contrast Echocardiography Images using a Bullseye Representation 177
LO Murta Jr, A Pazin-Filho, A Schmidt, OC Almeida-Filho, JA Marin-Neto, BC Maciel
Simultaneous Quantitative Assessment of Myocardial Perfusion and Function Using Analysis of Color-Encoded Contrast-Enhanced Echocardiographic Images 181
EG Caiani, CE Korcarz, KA Collins, RM Lang, V Mor-Avi
Differences between Algorithms for Spatial Interpolation of 3D Echocardiography Images 185
AJ Sims, J Wild, J Pemberton, T Irvine, A Kenny, A Murray

S51 Telemedicine II

Table of Contents

Congestive Heart Failure Management in a Home-Care System through the CHS Contact Center 189
N Maglaveras, I Lekka, I Chouvarda, D Adamidis, H Karvounis, G Louridas, B Zeevi, EA Balas
Can Telemetric Home Monitoring of Implantable Defibrillators Increase the Treatment's Cost-Effectiveness Ratio? 193
CH Elsner, A Dorszewski, H Kottkamp, P Schirdewahn, G Hindricks
Home Telemonitoring of Respiratory Activity and Heart Rate Variability in Chronic Heart Failure Patients: the Challenge of the Home or Hospital Heart Failure Project 197
GD Pinna, R Maestri, E Gobbi, MT La Rovere, JL Scanferlato, T Witkowski, A Kus-Klinowska, D Andrews, P Johnson, S Capomolla, A Mortara
Risk Assessment of a Cardiology eHealth Service in HYGEIAnet 201
N Stathiakis, CE Chronaki, E Skipenes, E Henriksen, E Charalambus, A Sykianakis, G Vrouchos, N Antonakis, M Tsiknakis, SC Orphanoudakis
Continuous ECG Monitoring in the Management of Pre-Hospital Health Emergencies 205
F Chiarugi, D Trypakis, V Kontogiannis, PJ Lees, CE Chronaki, M Zeaki, N Giannakoudakis, D Vourvahakis, M Tsiknakis, SC Orphanoudakis
Internet-Based, GPRS, Long-Term ECG Monitoring and Non-Linear Heart-Rate Analysis for Cardiovascular Telemedicine Management 209
S Khoór, J Nieberl, K Fügedi, E Kail

S52 Ventricular Fibrillation

Table of Contents

Investigation of the Influence of Electric Fields on Human Ventricular Myocardium Including Realistic Fibre Orientation: a Simulation Study 213
IM Popp, G Seemann, O Dössel
Identification of Patients at Risk for Ventricular Tachycardia by means of Body Surface Potential Maps 217
R Bailón, S Olmos, BM Horácek, P Laguna
Ventricular Fibrillation Detection in Ventricular Fibrillation Signals Corrupted by Cardiopulmonary Resuscitation Artifact 221
J Ruiz, E Aramendi, S Ruiz de Gauna, A Lazkano, LA Leturiondo, JJ Gutiérrez
Estimation of Electrocardiogram Peak Frequency and Periodicity during Ventricular Fibrillation 225
I Jekova
Mode of Onset of Spontaneous Ventricular Tachyarrhythmias from Implantable Cardioverter Defibrillator Electrograms 229
A Casaleggio, P Rossi, A Faini, T Guidotta, A Dall`Acqua, G Sartori, G Musso, R Mureddu, E Casali, V Malavasi, S Chierchia
Computer Controlled Induced Hypothermia in Victims of Out-of-Hospital Cardiac Arrest 233
RJ Leor-Librach, S Gmach-Fluk, I Jasmawie, V Nachliely, O Ezra

S53 Challenge 2003

Table of Contents

Distinguishing Ischemic from Non-Ischemic ST Changes: The Physionet/Computers in Cardiology Challenge 2003 235
GB Moody, F Jager
An Algorithm to Distinguish Ischaemic and Non-Ischaemic ST Changes in the Holter ECG 239
P Langley, EJ Bowers, J Wild, MJ Drinnan, J Allen, AJ Sims, N Brown, A Murray
A Reconstructed Phase Space Approach for Distinguishing Ischemic from Non-Ischemic ST Changes using Holter ECG Data 243
MW Zimmerman, RJ Povinelli, MT Johnson, KM Ropella

S54 Cardiovascular Mechanics I

Table of Contents

Evaluation of Intracoronary Pressure and Blood Flow Velocity for the Assessment of Coronary Stenosis Severity 247
C Perrey, W Bojara, M Lindstaedt, C Fischer, H Ermert
Accuracy and Reliability of Non-Invasive Cardiac Output: The Future in Cardiology? 251
S Faddy, J Boland, DWM Muller
Continuous Cardiac Output Monitoring by Peripheral Blood Pressure Waveform Analysis 255
R Mukkamala, AT Reisner, HM Hojman, RG Mark, RJ Cohen
An Open-Source Algorithm to Detect Onset of Arterial Blood Pressure Pulses 259
W Zong, T Heldt, GB Moody, RG Mark
Circulatory Response to Passive and Active Changes in Posture 263
T Heldt, MB Oefinger, M Hoshiyama, RG Mark

S61 Databases

Table of Contents

New Approaches in Philips ECG Database Management System Design 267
S Zhou, G Guillemette, R Antinoro, F Fulton
Implementation of Web Database for ECG 271
MA Paracha, SN Mohammad, PW Macfarlane, JM Jenkins
Database Management Expert Program for Integrated Evaluation of Non-Invasive and Invasive Results of Coronary Heart Disease 275
Z Koszegi, E Balogh, L Balkay, J Varga, L Galuska, C Jenei, D Apro, I Edes
Data Integration in Cardiac Surgery and Resource Management 279
A Taddei, S Dalmiani, G Piccini, A Vellani, T Carducci, M Buffa, L Scebba, M Glauber, B Murzi, A Biagini, A Macerata

S62 Q-T: Models and Testing

Table of Contents

Markovian Model for Wild-Type and Mutant (Y1795C and Y1795H) Human Cardiac Na+ Channel 283
S Vecchietti, I Rivolta, S Severi, C Napolitano, SG Priori, S Cavalcanti
Simulation of the Long-QT Syndrome in a Model of Human Myocardium 287
G Seemann, DL Weiß, FB Sachse, O Dössel
Effects of the Antiarrhythmic Drug Dofetilide on Myocardial Electrical Activity: a Computer Modelling Study 291
J Saiz, JM Ferrero Jr, M Monserrat, J Gomis-Tena, J Chorro, A Ferrero
A Modification of the In Vitro Canine Purkinje Fiber Repolarization Assay using Variable Frequency Pacing 295
A Safer, G Gintant

S63 Respiration and Sleep

Table of Contents

Robust Estimation of Respiratory Frequency from Exercise ECGs 299
R Bailón, D Habas, L Sörnmo, P Laguna
Changes in Autonomic Nervous System Activity and in Electro-Cortical Activity during Sleep Onset 303
Z Shinar, A Baharav, S Akselrod
Detrended Fluctuation Analysis and Spectral Analysis of Heart Rate Variability for Sleep Stage and Sleep Apnea Identification 307
T Penzel, JW Kantelhardt, HF Becker, JH Peter, A Bunde
Comparison of Heart Rhythm and Morphological ECG Features in Recognition of Sleep Apnea from the ECG 311
C Maier, H Dickhaus, M Bauch, T Penzel

S64 Cardiovascular Mechanics II

Table of Contents

Analysis of Ventricular Wall Motion Based on an Electromechanical Biventricular Model 315
L Xia, M Huo
Hybrid Deformation Model of Myocardium 319
MB Mohr, L Bluemcke, FB Sachse, G Seemann, O Dössel
Application of Morlet Transform Wavelet in the Detection of Paradoxical Splitting of the Second Heart Sound 323
HM Mgdob, JN Torry, R Vincent, B Al-Naami
Heart Sound Segmentation Algorithm based on Instantaneous Energy of Electrocardiogram 327
MB Malarvili, I Kamarulafizam, S Hussain, D Helmi

P71 Decision Support Systems

Table of Contents

Guideline Assessment and Implementation in Congestive Heart Failure 331
WRM Dassen, APM Gorgels, A Berendsen, WA Dijk, P de Clercq, A Hasman, MH Baljon
Analyzing Heart Attack Survival using Intelligent Systems 335
P Kokol, P Povalej, Z Pehnec
Automated System for the Analysis of Heart Monophasic Action Potentials 339
DG Tsalikakis, DI Fotiadis, T Koletis, LK Michalis
HySMID: An Ischemia Diagnosis System using Genetic Algorithms and Multicriteria Decision Analysis 343
C Papaloukas, Y Goletsis, DI Fotiadis, A Likas, LK Michalis
Intelligent Document Retrieval from Heterogenous Cardiology Literature Sources: Use of an Automated Notification Robot Learning from his User 347
T Berger, H Kottkamp, J Ramming, CH Elsner
Using XML-coded Markov Models to Build a Framework for Cost-Benefit Analysis in Cardiology 349
CH Elsner, H Kottkamp, C Mazzi, T Berger, G Hindricks
S-T Depression as a Risk Indicator for the Occurrence of Postoperative Cardiovascular Complications in Emergency Abdominal Surgery 351
M Matveev
A Patient Planning and Tracking System for a Cardiac Surgery Department 355
GB Masée, WA Dijk, WRM Dassen, MH Baljon

P72 Support Systems

Table of Contents

ECG in Your Hands: a Multi-Vendor ECG Viewer for Personal Digital Assistants 359
F Chiarugi, M Spanakis, PJ Lees, C Chronaki, M Tsiknakis, SC Orphanoudakis
An Open Source Based Radiological Information System to Support a Clinical Cardiology Department 363
EM Ferdeghini, P Marcheschi, A Mazzarisi, A Benassi
An Open Source Based Application for Integration and Sharing of Multi-Modal Cardiac Image Data in a Heterogeneous Environment 367
P Marcheschi, V Positano, EM Ferdeghini, A Mazzarisi, A Benassi
Open Source or Commercial Products for Electronic Data Capture in Clinical Trials? A Scorecard Comparison 371
CH Elsner, M Egbring, H Kottkamp, T Berger, S Zoller, G Hindricks
Is the SCP-ECG Format Suitable for Inpatient ECG Management? 375
E Cervesato, G De Odorico, A Accardo, P Pascolo, F Antonini-Canterin, GL Nicolosi
DICOM and XML usage for Multimedia Teleconsultation and for Reimbursement in Cardiology 379
N Balogh, G Kerkovits, M Eichelberg, D Lemoine, V Punys
Multi-Agent System Architecture for Heart Failure Management in a Home Care Environment 383
VG Koutkias, I Chouvarda, N Maglaveras
The Choice of a Commercial Broadband Communication System for ABC4CarE 387
HJ Spruijt, WA Dijk, WRM Dassen, N van der Putten, MH Baljon
Implementation of a Cardiology Information System in the Academic Medical Center Amsterdam 391
CI Buddelmeijer, BG Goldhoorn, AW Huisman, PL de Haan, RJ de Winter

P73 Data Management Systems

Table of Contents

Quality Assurance Measures in the CONCOR National Registry and DNA-Bank of Patients with Congenital Heart Disease in the Netherlands 395
ET van der Velde, JWJ Vriend, E Theeuwes, HDM Murk Jansen, J Kuiper, WHGJ Hoekstra, BJM Mulder
Cost-Effective Health Services for Interactive Continuous Monitoring of Vital Signs Parameters: The e-Vital Concept 399
A Prentza, P Angelidis, L Leondaridis, E Sakka, D Koutsouris
Fully Integrated Hemodynamic Interventional Laboratory Informative System 403
A Mazzarisi, P Marraccini, P Marcheschi, G Djukic, R Favilla, I Marinaro, M Dalle Luche, A Benassi
Long Term Continuous Collection of High Resolution ECG Signals from a Coronary Care Unit 407
I Romero Legarreta, MJ Reed, JN Watson, PS Addison, N Grubb, GR Clegg, CE Robertson, KAA Fox
Real-Time Custom Processing and Delivery of Large ECG Data Sets 411
MA Paracha, SN Mohammad, PW Macfarlane, JM Jenkins
Web Based Nursing Management of a Cardiology Department 413
D Franchi, D Cini, A Belardinelli, L Guerriero, A Mazzarisi, A Ripoli, I Marinaro, R Bedini
A Domain Ontology for Mechanical Circulatory Support Systems 417
C De Lazzari, E Guerrieri, DM Pisanelli

P74 Models

Table of Contents

Inhibition of Atrial Action Potential Alternans by Calcium Activated-Chloride Current Blockade: a Simulation Study 421
J Gomis-Tena, J Saiz, JM Ferrero Jr
Vulnerability to Reentry during the Acute Phase of Myocardial Ischemia: a Simulation Study 425
JM Ferrero Jr, B Trenor, F Montilla, J Saiz, JM Alonso, G Molto
Stretch-Induced Alternation of Cardiac Action Potential Duration: a Study of Computer Simulations 429
JC Hsieh
Predicting Hyperkalemia by a Two-Staged Artificial Neural Network 433
MF Wu, JJ Chiang, YC Yang, IH Chao, SM Shieh, WC Tzeng, JC Hsieh
Action Potential Changes Due to Y1795H Mutation in Brugada Syndrome Patients: a Simulation Study 437
S Severi, S Vecchietti, I Rivolta, C Napolitano, SG Priori, S Cavalcanti
Finite Element Modeling Approach for Optimal Electrode Configuration in Atrial Pacing 441
V Krasteva
Simulation of Cardiovascular Diseases using Electronic Circuits 445
DG Tsalikakis, DI Fotiadis, D Sideris

P75 Heart Rate Variability

Table of Contents

Reproducibility of the Heart Rate Variability Regularity Index in Chronic Heart Failure Patients 449
G D'Addio, A Porta, C Picone, E Ranaudo, G Furgi, F Rengo
Heart Rate Recovery after Exercise: A Study by Wavelet Analysis 453
LR Davrath, I Pinhas, A Beck, M Scheinowitz, D Elian, S Akselrod
Time-Related Heart Vegetative Balance Characteristics in Healthy Subjects 457
M Matveev, R Prokopova, Ch Nachev
Modeling the Dynamics of Heart Rate Variability by Hidden Markov Models 461
M Vallverdú, M Palacios, P Caminal
Automatic Approach for Classifying Sympathetic Quasiperiodic, n:m Periodic and Aperiodic Dynamics Produced by Lung Inflation in Rats 465
A Porta, N Montano, R Furlan, C Cogliati, S Guzzetti, A Malliani, HS Chang, K Staras, MP Gilbey
Using Heart Rate Variability Analysis to Assess the Effect of Music Therapy on Anxiety Reduction of Patients 469
HW Chiu, LS Lin, MC Kuo, HS Chiang, CY Hsu
Applicability and Performance of Heart Rate Variability Methods 473
J Haaksma, J Brouwer, WA Dijk, MP van den Berg, F Takens, WRM Dassen
Beat-to-Beat Complexity Analysis before the Onset of Ventricular Tachycardia 477
N Wessel, N Marwan, A Schirdewan, J Kurths
Interpolation Technique for Extracting Features from ECG Signals Sampled at Low Sampling Rates 481
P Castiglioni, L Piccini, M Di Rienzo
Dynamic Non-Linear Changes in Heart Rate Variability in Patients with Coronary Heart Disease and Arterial Hypertension Treated by Amlodipine Besylate 485
G Krstacic, A Krstacic, M Martinis, E Vargovic, A Knezevic, M Jembrek-Gostovic, A Smalcelj, B Milicic, M Bergovec, M Gostovic
Heart Rate Variability and Nonlinear Analysis of Heart Rate Signals of Patients during their Stay in a Multidisciplinary Intensive Care Unit 489
V Papaioannou, N Maglaveras, I Chouvarda, G Vretzakis, E Antoniadou

P76 Fibrillation

Table of Contents

Evaluation of the Multiple Frequency Distribution of Conduction Block in Atrial Fibrillation 493
WC Hu, J Chen, F Lai, LY Shyu, CT Tai, T Kao
Effects of Local Temperature Variation on Ventricular Fibrillation Dominant Frequency 497
A Tormos, J Millet, L Such, FJ Chorro

P77 Blood Pressure Control

Table of Contents

Non-Invasive Estimation of Central Aortic Pressure from Radial Artery Tonometry by Neural Networks 501
M Varanini, M Massoni, P Marraccini, M Kozàkovà, G Djukic, M Bamoshmoosh, R Testa, F Vittone, C Palombo
Spectral Analysis of Arterial Blood Pressure Variability: Assessing the Accuracy of the Finometer Device 505
R Maestri, GD Pinna, E Gobbi, E Robbi, MT La Rovere

P78 ECG Repolarization

Table of Contents

Validation of a Novel Algorithm for Ventricular Repolarization Analysis: Use of Physionet Resources 509
F Cantini, M Emdin, C Passino, M Varanini, C Conforti
Gender and Age Influences in T-Loop Morphology 513
G Bortolan, M Bressan, I Christov
Assessment of Myocardial Ischemia through High Frequency Energy Estimation over the Time-Frequency Plane using Wavelets 517
N Castro, P Gomis, G Wagner
Continuous 12-Lead ECG Monitoring to Detect the Need for Rescue Percutaneous Coronary Interventions in Acute Myocardial Infarction 521
E Balli, L Calugi, A Giomi, M Comeglio, C Giglioli, S Valente, M Margheri, F Del Citerna

P79 ECG: Arrhythmia

Table of Contents

Bioelectric Model of Atrial Fibrillation: Applicability of Blind Source Separation Techniques for Atrial Activity Estimation in Atrial Fibrillation Episodes 525
JJ Rieta, F Castells, C Sánchez, D Moratal-Pérez, J Millet
Feasibility of Wavelet-Kernel Novelty Detectors for Identifying Ventricular Tachycardia 529
DJ Strauss, J Jung
An Efficient System for the Detection of Arrhythmic Segments in ECG Recordings based on Non-Linear Features of the RR-Interval Signal 533
MG Tsipouras, DI Fotiadis
Feature Extraction and Classification of Electrocardiogram (ECG) Signals Related to Hypoglycaemia 537
C Alexakis, HO Nyongesa, R Saatchi, ND Harris, C Davies, C Emery, RH Ireland, SR Heller
Real-Time ECG Analysis using a TI TMSC54x Digital Signal Processing Chip 541
S Mohammad, Z Lim, Y Lin, A Sani, K Zanjani, M Poracha, JM Jenkins
Noninvasive His-Bundle Electrocardiogram: Toward Beat-to-Beat Electromyogram Noise Removal 545
A Bazhyna, A Gotchev, II Christov, IK Daskalov, K Egiazarian
Detection of Wavelet Transform-Processed Ventricular Late Potentials and Approximate Entropy 549
S Bunluechokchai, MJ English
Analysis of the High Resolution ECG with the Continuous Wavelet Transform 553
S Bunluechokchai, MJ English
Detection of Atrial Electrical Instability in Hypertensive Patients 557
A Oreziak, M Niemczyk, E Piatkowska-Janko, G Opolski
Powerline Interference Suppression in High Resolution ECG 561
A Bazhyna, II Christov, A Gotchev, IK Daskalov, K Egiazarian

P7A ECG: Diagnostic

Table of Contents

R-wave Detection using Continuous Wavelet Modulus Maxima 565
I Romero Legarreta, PS Addison, N Grubb, GR Clegg, CE Robertson, KAA Fox, JN Watson
Atrial Activity Extraction in Holter Registers using Adaptive Wavelet Analysis 569
C Sánchez, JJ Rieta, F Castells, J Ródenas, J Millet
Electro-Optical Recording System for Myocardial Ischemia Studies in Animal Experiments 573
I Provaznik, M Novakova, Z Vesely, M Blaha, M Chmelar
Development of a Real-Time QRS Beat Classifier using a Nonlinear Trimmed Moving Averaging-Based System 577
SW Chen, HC Chen
Using Wavelet Transform Reassignment Techniques for ECG Characterisation 581
D Clifton, PS Addison, MK Stiles, I Romero Legarreta, N Grubb, JN Watson, GR Clegg, CE Robertson
A Moving Average based Filtering System with its Application to Real-Time QRS Detection 585
HC Chen, SW Chen

P7B ECG: Miscellaneous

Table of Contents

Magnetocardiogram Interference in Magnetoencephalographic Data: Its Importance in Cases of Interictal Epileptic Data 589
PD Bamidis
A Novel Real-Time Multilead ECG Compression and De-Noising Method based on the Wavelet Transform 593
A Alesanco, S Olmos, R Istepanian, J García
Computer-Aided Morphological Analysis of Holter ECG Recordings based on a Support Vector Learning System 597
S Jankowski, A Oreziak, A Skorupski, H Kowalski, Z Szymanski, E Piatkowska-Janko
How a Human Perceives the Electrocardiogram: The Pursuit of Information Distribution through Scanpath Analysis 601
P Augustyniak
Pulse Baseline Wander Removal Using Wavelet Approximation 605
KQ Wang, LS Xu, L Wang, ZG Li, YZ Li
Electrocardiogram-Based Automatic Sleep Staging in Sleep Disordered Breathing 609
S Redmond, C Heneghan
Validation of an ECG-Derived Respiration Monitoring Method 613
B Mazzanti, C Lamberti, J de Bie

P7C CT/MRI

Table of Contents

Respiratory Displacement Modelling in Cone Beam Computed Tomography 617
IG Buliev, CT Badea, N Pallikarakis
Automatic Contours Detection in Myocardial GSPECT 621
L Comas, P Berthout, R Sabbah, O Blagosklonov, J Verdenet, M Baud, JC Cardot
Segmenting the Endocardial Border of the Left Ventricle in Cardiac Magnetic Resonance Images 625
H El-Messiry, HA Kestler, O Grebe, H Neumann
Quantitative 3D Assessment of Myocardial Viability with MRI Delayed Contrast Enhancement 629
V Positano, MF Santarelli, A Pingitore, M Lombardi, L Landini, A Benassi
Active Shape Models with Invariant Optimal Features (IOF-ASM) Application to Cardiac MRI Segmentation 633
S Ordás, L Boisrobert, M Huguet, AF Frangi

P7D Coronary Artery Disease

Table of Contents

Diastole and its Beneficial Role in Coronary Atherogenesis 637
JV Soulis, GD Giannoglou, TM Farmakis, GE Louridas
Molecular Viscosity Distribution in the Left Coronary Artery Tree 641
GD Giannoglou, JV Soulis, TM Farmakis, GE Louridas

P7E Echocardiography

Table of Contents

Evaluation of Left Ventricular Ejection Function by an Automatic Doppler Signal Quantification System 645
KS Hsieh, LC Sun, T Kao, CP Liu, WC Hu
Synthesis of Panoramic Views of Peripheral Vessels from Sequences of Echographic Images 649
M Paterni, F Faita, A Benassi, M Demi

P7F Miscellaneous

Table of Contents

Indicator of Myocardial Ischemia based on the Mean Power of ECG Low Frequency Content: Comparison with ST Segment Trend 653
A Gutierrez, G Zarco
Heart Sound Analysis Comparing Wavelet and Autoregressive Techniques 657
JN Torry

M8 Plenary

Table of Contents

Evaluation of Arterial Wall Imaging with 16-slice Multi-Detector Computed Tomography 661
RC Chan, M Ferencik, T Wu, U Hoffmann, TJ Brady, S Achenbach
Congenital Heart Disease Patient Home Care Services using the Interactive TV: The PANACEIA-ITV Approach 665
N Maglaveras, I Lekka, I Chouvarda, V Koutkias, M Gatzoulis, T Kotis, M Tsakali, S Maglavera, V Danelli, B Zeevi, EA Balas
Healthbot.Net: Patient Education with a Natural Speaking Robot before Catheter Ablation: Results from 47 Patients 669
CH Elsner, T Berger, A Wolf, G Hindricks, C Mazzi
A Method for Catheter Navigation within Realistic Three-Dimensional Cardiac Anatomy 673
L Rao, C Ding, DS Khoury

S91 Systems-Knowledge

Table of Contents

From Patient98 to Thor2005: from a Component-Based Multimedia Workstation for Cardiac Care to a Complete Cardiology Information System 677
N van der Putten, S Nelwan, R Hamers, M de Wijs, F Smits, ML Simoons
Electronic Medical Records Optimize Clinical Data Management in the Outpatient Cardiological Clinic 681
S Dalmiani, MA Morales, C Carpeggiani, A Macerata, P Marcheschi
Effective Teleconsulting and Teleconferencing using Standard DICOM Protocol and Push Technology on Low Bandwidth Connection 685
P Marcheschi, A Mazzarisi, P Marraccini, M Glauber, D Chiappino, A Benassi
A System for Comprehensive Comparison of Serial ECG Beats and Serial ECG Recordings 689
C Zywietz, B Widiger, R Fischer

S92 Heart Rate Variability

Table of Contents

Iterative Restitution Effects from Heart Rate Variability 693
YB Chernyak, HD Esperer, RJ Cohen
Phase Averaged Characterization of Respiratory Sinus Arrhythmia Pattern 697
O Gilad, CA Swenne, S Akselrod
Linear and/or Nonlinear Behavior of Heart Rate? A Comparative Study using Lyapunov Exponents, Fractal Dimension, Conditional Entropy and Spectral Analysis 701
A Ripoli, L Zyw, C Passino, M Emdin
Multiscale Entropy Analysis of Complex Heart Rate Dynamics: Discrimination of Age and Heart Failure Effects 705
M Costa, JA Healey
Some Considerations on the IPFM Model for the Heart Rate Variability Analysis 709
O Meste, G Blain, S Bermon
Impaired Autonomic Vascular Control: A Non-Linear Dynamic Analysis 713
G Merati, M Di Rienzo, A Veicsteinas, P Castiglioni

S93 Arrhythmia

Table of Contents

An Integral Atrial Wave Identification Approach based on Spatiotemporal Source Separation: Clinical Validation 717
F Castells, R Ruiz, JJ Rieta, J Millet
ECG-Based Feature Tracking in Atrial Tachyarrhythmias 721
M Stridh, L Sörnmo, SB Olsson
Short Term Prediction of Severe Bradycardia in Premature Newborns 725
G Pravisani, A Beuchée, L Mainardi, G Carrault
Distinction of Ventricular Fibrillation and Ventricular Tachycardia using Cross Correlation 729
J Ruiz, E Aramendi, S Ruiz de Gauna, A Lazkano, LA Leturiondo, JJ Gutiérrez
Enhanced Rhythm Analysis for Resting ECG Using Spectral and Time-Domain Techniques 733
RM Farrell, JQ Xue, BJ Young
A Robust Open-Source Algorithm to Detect Onset and Duration of QRS Complexes 737
W Zong, GB Moody, D Jiang

S94 CT/MRI

Table of Contents

Estimation of Intra- and Inter-Ventricular Dyssynchronization with Cardiac Magnetic Resonance Imaging 741
O Grebe, A Mueller, N Merkle, J Wöhrle, L Binner, M Höher, V Hombach, H Neumann, HA Kestler
Mycocardial Boundary Extraction using Coupled Active Contours 745
LJ Spreeuwers, M Breeuwer
Coronary Characterization in Multi-Slice Computed Tomography 749
C Toumoulin, C Boldak, M Garreau, D Boulmier
Vertical Coherence Applied to Spect Imagery in the 3D Reconstruction of the Left Ventricle 753
O Garcia-Pañyella, A Susin
Effect of Reconstruction Parameters on Cardiac CT Angiography Image Quality 757
NL Greenberg, PC Johnson, M Manning, Z Popovic, H Salazer, JM Garcia

SA1 Decision Support

Table of Contents

Improvement in Quality of Care by Mobile Access to Always-up-to-Date Clinical Guidelines and Documentation of the Decision Process 761
ET van der Velde, DE Atsma, H Foeken, TA Witteman, MJ Schalij, EE van der Wall
Uncertainty Rule Generation on a Home Care Database of Heart Failure Patients 765
S Konias, GD Giaglis, G Gogou, PD Bamidis, N Maglaveras
A Decision Tree-Based Method, Using Auscultation Findings, for the Differential Diagnosis of Aortic Stenosis from Mitral Regurgitation 769
AC Stasis, EN Loukis, SA Pavlopoulos, D Koutsouris
Fuzzy-Logic based Automatic Control of Hemodynamics 773
R Bauernschmitt, J Hoerer, EU Schirmbeck, H Keil, G Schrott, A Knoll, R Lange

SA2 Models

Table of Contents

Cellular Modeling of Electrical Remodelling in Two Different Models of Human Atrial Myocytes 777
H Zhang, JJ Zhu, CJ Garratt, AV Holden
A Parallel Solver for Anisotropic Cardiac Model 781
P Colli-Franzone, LF Pavarino, B Taccardi
Spiral Wave Meandering in Models of Ventricular Tissue as an Antiarrhythmic Target 785
GP Kremmydas, AV Holden
Influence of Ischemic and Infarcted Tissue on the Surface Potential 789
F Hanser, M Seger, B Tilg, R Modre, G Fischer, B Messnarz, F Hintringer, T Berger, FX Roithinger

SA3 Blood Pressure Control

Table of Contents

Blood Pressure Control and Correlation Dimension 793
S Eyal, S Akselrod
Afferent Somatosensory Information as a Possible Cause of Cardiac-Locomotor Coupling? 797
O Gilad, CA Swenne, E Toledo, S Akselrod
Measurement of Anaerobic Threshold during Dynamic Exercise in Healthy Subjects: Comparison among Visual Analysis and Mathematical Models 801
JC Crescêncio, LEB Martins, LO Murta Jr, CM Antloga, RT Kozuki, MDB Santos, JA Marin-Neto, BC Maciel, L Gallo Jr

SA4 ECG

Table of Contents

Coherence between Heart Rate and Dominant Frequency of the Time-Frequency Heart Rate Variability Spectrum as Ischemic Marker in the Exercise Test 805
M Canales, J Mateo, R Bailón, P Laguna, P Serrano
Comparison of Alarm Strategies for Continuous 12-Lead ST Segment Monitoring 809
JY Wang, MC Saenz, BM Horácek
Analysis of High Frequency Mid-QRS Potentials vs ST Segment and T Wave Analysis for the Diagnosis of Ischemic Heart Disease 813
S Abboud, A Beker, B Strasberg
The Influence of Q-Wave Acute Anteroseptal Myocardial Infarction on the Voltage Criteria for Left Ventricular Hypertrophy 815
FU Huwez, PW Macfarlane