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COMPUTERS IN CARDIOLOGY 2008 September 14 - 17, 2008 Bologna, Italy

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Page 1: COMPUTERS IN CARDIOLOGY 2008toc.proceedings.com/04497webtoc.pdf · From Real-Time 3D Echocardiography to Mitral Valve Finite Element ... Echocardiographic Images as a Basis for Volumetric

COMPUTERS INCARDIOLOGY

2008

September 14 - 17, 2008

Bologna, Italy

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TABLE OF CONTENTS

1: ROSANNA DEGANI YOUNG INVESTIGATOR AWARD From Real-Time 3D Echocardiography to Mitral Valve Finite Element Analysis: A Novel Modeling Approach ............................................................................................................................................1

Votta E, Arnoldi A, Stevanella M, Veronesi F, Tamborini G, Alamanni F, Caiani EG, Redaelli A

Quantification of Myocardial Perfusion Using Multi-Detector Computed Tomography: Validation Against Invasive Coronary Angiography.......................................................................................5

Kachenoura N, Gaspar T, Lodato JA, Bardo DME, Newby B, Gips S, Peled N, Lang RM, Mor-Avi V

Inhomogeneous Human Torso Model of Magnetohydrodynamic Blood Flow Potentials Generated in the MR Environment ...................................................................................................................9

Nijm GM, Swiryn S, Larson AC, Sahakian AV

Risk-Stratification following Acute Coronary Syndromes Using a Novel Electrocardiographic Technique to Measure Variability in Morphology....................................................13

Syed Z, Scirica BM, Stultz CM, Guttag JV

2-1: ADVANCES IN ECHOCARDIOGRAPHY Semi-automated Segmentation and Registration of Triggered Three-Dimensional Echocardiographic Images as a Basis for Volumetric Analysis of Myocardial Perfusion ..........................17

Veronesi F, Mor-Avi V, Toledo E, Corsi C, Collins KA, Lammertin G, Lamberti C, Lang RM, Caiani EG

Novel Time-Varying 3D Display of Wall Motion Torsion for LV Function Assessment ............................21Greenberg NL, Popovic ZB, Saracino G, Grimm RA, Thomas JD

Real-Time 3D Echocardiographic Quantification of Left Ventricular Volumes: Multicenter Study for Validation with Magnetic Resonance Imaging .........................................................25

Mor-Avi V, Jenkins C, Kühl H, Nesser HJ, Marwick TH, Franke A, Ebner C, Freed BH, Steringer-Mascherbauer R, Pollard H, Weinert L, Niel J, Sugeng L, Lang RM

Age-Dependency of Left Ventricular Shape Measured from Real-Time 3D Echocardiographic Images ...............................................................................................................................29

Maffessanti F, Sugeng L, Takeuchi M, Weinert L, Mor-Avi V, Lang RM, Caiani EG

Semi-automatic Detection and Tracking of Mitral and Aortic Annuli from Real–Time 3D Transesophageal Echocardiographic Images .................................................................................................33

Veronesi F, Corsi C, Mor-Avi V, Sugeng L, Caiani EG, Weinert L, Lamberti C, Lang RM

2-2: HEART RATE VARIABILITY I Effects of Pedaling on the High Frequency Components of HRV during Exercise.....................................37

Villa F, Castiglioni P, Merati G, Mazzoleni P, Di Rienzo M

Characterization of Heart Rate Variability Loss with Aging and Heart Failure Using Sample Entropy .................................................................................................................................................41

Goya-Esteban R, Marques de Sá J, Rojo-Álvarez JL, Barquero-Pérez O

Changes in Detrended Fluctuation Indices with Aging in Healthy and Congestive Heart Failure Subjects.................................................................................................................................................45

Barquero-Pérez O, Marques de Sá J, Rojo-Álvarez JL, Goya-Esteban R

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Sympathetic Neurohormonal Correlates of Linear and Symbolic Dynamics Heart Rate Variability Indexes in Chronic Heart Failure.................................................................................................49

Maestri R, La Rovere MT, Porta A, Pinna GD

Nonlinear Heart Rate Variability in a Healthy Population: Influence of Age .............................................53Vandeput S, Verheyden B, Aubert AE, Van Huffel S

Interaction between Heart Rate Variability and Respiration in Preterm Infants.......................................57Indic P, Salisbury EB, Paydarfar D, Brown EN, Barbieri R

2-3: ATRIAL MODELS Adaptation of a Minimal Four-State Cell Model for Reproducing Atrial Excitation Properties ...........................................................................................................................................................61

Weber FM, Lurz S, Keller DUJ, Weiss DL, Seemann G, Lorenz C, Dössel O

Simulating the Effects of Atrial Fibrillation in Electrically Heterogeneous Human Atria: A Computer Modeling Study ...............................................................................................................................65

Stott J, Kharche S, Law P, Zhang H

Electrophysiologically Detailed Models of the Right and Left Rabbit Atria: Pharmacological Impacts on Propagation and Arrhythmogenesis...............................................................69

Aslanidi OV, Dewey RS, Morgan AR, Boyett MR, Zhang H

Combined Analysis of Time and Frequency Series Regularity Applied to the Study of Atrial Fibrillation ..............................................................................................................................................73

Vayá C, Rieta JJ

Integration of MRI in Evaluation and Ablation of Atrial Fibrillation .........................................................77MacLeod RS, Kholmovski E, DiBella EVR, Oakes RS, Blauer JE, Fish E, Vijayakumar S, Daccarett M, Segerson NM, Marrouche NF

Error Estimates and Communication Overhead in the Computation of the Bidomain Equations on the Distributed Memory Parallel Blue Gene/L Supercomputer ............................................81

Reumann M, Fitch BG, Rayshubskiy A, Weiss DL, Seemann G, Dössel O, Pitman MC, Rice JJ

2-4: DIAGNOSTIC ECG Comparing Symbolic Representations of Cardiac Activity to Identify Patient Populations with Similar Risk Profiles.................................................................................................................................85

Syed Z, Scirica BM, Stultz CM, Guttag JV

Enhanced Detection of Electrode Placement/Connection Errors .................................................................89Cooper C, Clark E, Macfarlane PW

Analysis of Body Surface Potential Maps in Cardiac Resynchronization Therapy ....................................93Guillem MS, Brugada R, Thibault B, Climent AM, Millet J

Diagnosis of Bundle Branch Block by Analyzing Body Surface Potential Maps.........................................97Donis V, Guillem MS, Climent AM, Castells F, Chorro FJ, Millet J

A Method for Assessing Significant Changes in Serial ECG Comparison.................................................101Perz S, Sinner MF, Küfner R, Pfeufer A, Kääb S

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3-1: ECHOCARDIOGRAPHY Assessment of Cardiovascular Risk Markers from Ultrasound Images: System Reproducibility................................................................................................................................................105

Bianchini E, Corciu A, Venneri L, Faita F, Giannarelli C, Gemignani V, Demi M

Diagnostic Value of Parametric Imaging of Left Ventricular Wall Motion from Contrast-Enhanced Echocardiograms in Patients with Poor Acoustic Windows......................................................109

Kachenoura N, Mor-Avi V, Frouin F, Delouche A, Tamar TS, D'Amore S, Diebold B, Lang RM

Ventricular Dyssynchrony at Echo: Detection by Two-Dimensional Tracking and Tissue Doppler Imaging in Candidates to Biventricular Pacing.............................................................................113

Valzania C, Bertini M, Pedri S, Domenichini G, Frisoni J, Ziacchi M, Biffi M, Martignani C, Diemberger I, Corazza I, Pedrizzetti G, Boriani G

Inferring Transducer Viewpoints in Cardiac Echo Videos .........................................................................117Beymer D, Syeda-Mahmood T, Wang F

Spatio-Temporal Motion Estimation for Disease Discrimination in Cardiac Echo Videos......................121Wang F, Syeda-Mahmood T, Beymer D

3-2: COMPUTATIONAL MODELS AND APPLICATIONS Evaluation of Sub-Frequency Regions of Heart Rate Variability in Supraventricular Tachyarrhythmia Patients..............................................................................................................................125

Bilgin S, Colak OH, Polat O, Koklukaya E

Model Based Processing of CardioVascular Variability Applied to Bed-Rest Case Studies ....................129Vallais F, Aletti F, Baselli G, Tam E, Cautero M, Pagani M, Capelli C

Left Ventricular Resynchronization in H.F.: Comparison of Alternative Optimization Methods............................................................................................................................................................133

Graziano M, Valzania C, Bianchini D, Loreti G, Corazza I, Zannoli R

A Novel Telerobotic System to Remotely Navigate Standard Electrophysiology Catheters ....................137Marcelli E, Cercenelli L, Plicchi G

Investigation of Mechanical Cardiorespiratory Interactions through Combined Structural and Functional Modeling................................................................................................................................141

Guerrisi M, Vannucci I, Karaja T, Toschi N

Chemical Instability, State Instability and Arousals in the Pathogenesis of Periodic Breathing in Heart Failure Patients ..............................................................................................................145

Pinna GD, Maestri R, Robbi E, La Rovere MT

Cardiac and Respiratory Monitoring through Non-Invasive and Contactless Radar Technique.........................................................................................................................................................149

Varanini M, Berardi PC, Conforti F, Micalizzi M, Neglia D, Macerata A

3-3: CARDIAC MECHANICS Assessment of Cardiologic Systole and Diastole Duration in Exercise Stress Tests with a Transcutaneous Accelerometer Sensor .........................................................................................................153

Gemignani V, Bianchini E, Faita F, Giannoni M, Pasanisi E, Picano E, Bombardini T

Improved Parametric Estimation of Time Frequency Representations for Cardiac Murmur Discrimination .................................................................................................................................157

Avendaño-Valencia LD, Ferrero JM, Castellanos-Domínguez G

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Effective Phonocardiogram Segmentation Using Nonlinear Dynamic Analysis and High-Frequency Decomposition ..............................................................................................................................161

Quiceno AF, Delgado E, Vallverd M, Matijasevic AM, Castellanos-Domínguez G

3-4: PULSE AND PLOOD PRESSURE A New Blood Pressure Measurement Using Dual-Cuffs..............................................................................165

Kim TK, Chee YJ, Lee JS, Nam SW, Kim IY

The Modified Step-Wise Deflation Method in Blood Pressure Measurement ...........................................169Oh HS, Chee YJ, Lee JS, Kim IY, Kim SI, Kim YS

Automatic Brachial Ankle Pulse Wave Velocity Measurements for Vascular Damage Assessments......................................................................................................................................................173

Gonzalez R, Morales O, Delgado J, Padilla JM, Ferrero JM, Sáiz J

A Computer Based Photoplethysmographic Vascular Analyzer through Derivatives .............................177Gonzalez R, Manzo A, Delgado J, Padilla JM, Trénor B, Sáiz J

Novel Method of Automatic Auscultation for Blood Pressure Measurement Using Pulses in Cuff Pressure and Korotkoff Sound ..............................................................................................................181

Park DK, Oh HS, Kang JH, Kim IY, Chee YJ, Lee JS

3-5: CELLULAR MODELS Na Diffusion Dependent Ca Handling in Rabbit Ventricular Myocytes ....................................................185

Grandi E, Wang F, Bers DM

Oscillatory Regime in Excitatory Media with Global Coupling: Application to Cardiac Dynamics..........................................................................................................................................................189

Alvarez-Lacalle E, Rodriguez JF, Echebarria B

The Determination of the Bidomain Conductivity Values of Heart Tissue................................................193Graham LS, Kilpatrick D, Sainsbury F, Yong AC

Si-PEAC: A Simulation Platform for Electrical Activities of Cardiac Cells..............................................197Yuan YF, Wang KQ, Zhang HG, Zou CY

3-6: ECG – MISCELLANEOUS TOPICS Prognostic Value of the Time Related Autonomic Balance Indicator for Risk Evaluation of Cardiovascular Events in Patients with Ischemic Heart Disease ................................................................201

Matveev M, Prokopova R

Autonomic Response Evaluation during Gradual Body Weight Support: Comparison between Spectral and Symbolic Analysis ......................................................................................................205

Magagnin V, Caiani EG, Fusini L, Turiel M, Cerutti S, Porta A

Limitations on the Re-Use of Patient Specific Coefficients for 12-Lead ECG Reconstruction.................................................................................................................................................209

Gregg RE, Zhou SH, Lindauer JM, Helfenbein ED, Feild DQ

Improved 12-Lead ECG Reconstruction from Lead Sub Sets by Dynamic Selection of Frontal Leads...................................................................................................................................................213

Nelwan SP, Finlay DD, van Dam TB, Meij SH

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Two Probabilistic Methods to Characterize and Link Drug Related ECG Changes to Diagnoses from the PTB Database: Results with Moxifloxacin ..................................................................217

Bousseljot R, Kreiseler D, Mensing S, Safer A

Spectral Analysis of Atrial Signals Directly from Surface ECG Exploiting Compressed Spectrum ..........................................................................................................................................................221

Bonizzi P, Meste O, Zarzoso V

Effect of Heart Rate and Body Position on the Complexity of the QRS and T-Wave in Healthy Subjects..............................................................................................................................................225

Batchvarov VN, Bortolan G, Christov II

3-7: ARRHYTHMIA I Hierarchical Support Vector Machine Based Heartbeat Classification Using Higher Order Statistics and Hermite Basis Function...........................................................................................................229

Park KS, Cho BH, Lee DH, Song SH, Lee JS, Chee YJ, Kim IY, Kim SI

Two Layered Classification Using Qualitative and Quantitative Attributes for QRS Complex Analysis ............................................................................................................................................233

Kaneko M, Iseri F, Sasaki T, Gotho T, Ohki H, Sueda N

Detecting Premature Ventricular Contractions in ECG Signals with Gaussian Processes ......................237Melgani F, Bazi Y

Nature Inspired Concepts in the Electrocardiogram Interpretation Process ............................................241Bursa M, Lhotska L

Morphological Descriptors Based on Eigen Value Decomposition for P-Wave Analysis .........................245Castells F, Lorenz J, Climent AM, Guillem MS, Husser D, Bollmann A, Millet J

An Optimal Automatic Beat Detection Algorithm Based on Detector Switching .....................................249Tchuidjang P, Corsi C, De Bie J

Diagnosis of Cardiac Arrhythmia Using Kernel Difference Weighted KNN Classifier............................253Zuo WM, Lu WG, Wang KQ, Zhang H

3-8: DATABASES Method and System for Standardized and Platform Independent Medical Data Information Persistence in Telemedicine ......................................................................................................257

Struck M, Pramatarov S, Weigand C

Implementation of a National Database Infrastructure for Registration of Clinical Procedures and as Tool for National Benchmarking ...................................................................................261

van der Velde ET, Brinkhuis J, Kloosterman A, van der Putten NHJJ, Dijk WA, Hoekema R, Dassen WRM, Brand R, van der Veen I, Boorsma P, Schalij MJ

4-1: NEW BIOMEDICAL TECHNOLOGY An Interactive Cardiac Tele Rehabilitation Program Using a Mobile Device...........................................265

Chen X, Ho CT, Lim ET

First Experience with a New Portable Cardiopulmonary Bypass System – LIFEBRIDGE BT with Percutaneous Femoral Cannulation ...............................................................................................269

Krane M, Mazzitelli D, Schreiber U, Mendoza Garzia A, Voss B, Badiu CC, Lange R, Bauernschmitt R

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Adjustment of Artificial Chordae to the Mitral Valve with Advanced Tactile Technique.......................273Braun EU, Voss B, Mayer H, Knoll A, Bauernschmitt R, Lange R

4-2: DECISION SUPPORT Evaluating the Risk of a Rescue Percutaneous Coronary Intervention after Thrombolysis Therapy: A Decision Tree Approach.............................................................................................................275

Lagani V, Ceravolo R, Vatrano M, Ciconte VA, Conforti D

Neural Network Model for the Prediction of the Evolution of the First Appearance of Stenocardia ......................................................................................................................................................279

Melnik OV

Electronic Nursing Record System. Experience in a Large Cardiac Rehabilitation Department ......................................................................................................................................................283

Marcassa C, Terazzi A, Brovelli D, Zappia A, Giannuzzi P

Data Integration in Cardiac Surgery Health Care Institution: Experience at G. Pasquinucci Heart Hospital............................................................................................................................287

Taddei A, Dalmiani S, Vellani A, Rocca E, Piccini G, Carducci T, Gori A, Borghini R, Marcheschi P, Mazzarisi A, Salvatori C, Macerata A

THOPACS : The Multi-Modality, Image Review Diagnosis .......................................................................291van der Putten N, de Winter S, de Wijs M, Hamers R

4-3: TISSUE MODELING Effects of the Intracellular Ca2+ Dynamics on Restitution Properties and Stability of Reentry in Rabbit Atrial Tissue Model .........................................................................................................295

Aslanidi OV, Boyett MR, Zhang H

Propagation of Electrical Excitation in Isolated Rabbit Hearts: Influence of Stimulation Protocol and Spatial Coupling .......................................................................................................................299

Bauer S, Fruhner S, Romero I, Engel H, Bär M

Optimal Safety of Conduction through the Purkinje-Ventricular Junction..............................................303Stewart P, Aslanidi OV, Boyett MR, Zhang H

A Fiber Orientation Model of the Human Heart Using Classical Histological Methods Resonance Imaging and Interpolation Techniques ......................................................................................307

Theofilogiannakos EK, Theofilogiannakos GK, Anogeianaki A, Danias PG, Zairi H, Zaraboukas T, Stergiou-Michailidou V, Kallaras K, Anogianakis G

Initiation of Excitation Waves: An Analytical Approach ............................................................................311Biktashev VN, Idris I

4-4: ECG - REPOLARIZATION The Effect of Aging and Cardiac Disease on that Portion of QT Interval Variability that Is Independent of Heart Rate Variability .........................................................................................................315

Starc V, Schlegel TT

Sensitivity of T-Wave Morphology and the QT Interval to Small Drug-Induced Electrocardiographic Changes.......................................................................................................................319

Graff C, Matz J, Andersen MP, Kanters JK, Toft E, Pehrson S, Struijk JJ

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Ventricular Repolarization Dispersion During Ischemia Course Measured by Temporal and Spatial Electrocardiographic Parameters .............................................................................................323

Arini PD, Baglivo FH, Martínez JP, Laguna P

T-Wave Alternans Influence on Vectocardiographic Parameters ..............................................................327Janusek D, Karczmarewicz S, Przybylski A, Pawlowski Z, Maniewski R

5-1: NUCLEAR IMAGING Performance of a New Iterative Reconstruction Algorithm for Cardiac Short-Time Single Photon Emission Computed Tomography: Preliminary Results in an Anthropomorphic Cardiac Phantom Study..................................................................................................................................329

Zoccarato O, Campini R, Marcassa C, Calza P

Iterative EM Reconstruction of Cardiac Small Animal PET Images Using System Point Spread Function Modeling and MAP with Anatomical Priors ...................................................................333

Spinelli AE, Fiacchi G, D'Ambrosio D, Cilibrizzi P, Lamberti C, Baldazzi G, Boschi S, Franchi R, Marengo M

Quantitative Cardiac Dynamic Imaging of Small Animal PET Images Using Cluster Analysis ............................................................................................................................................................337

Domenichelli S, D'Ambrosio D, Trespidi S, Nanni C, Ambrosini V, Boschi S, Franchi R, Marengo M, Spinelli AE

Automated Synthesis of [11C]Meta Hydroxyephedrine, a PET Radiopharmaceutical for Studying Sympathetic Innervation in the Heart...........................................................................................341

Lodi F, Rizzello A, Carpinelli A, Di Pierro D, Cicoria G, Mesisca V, Marengo M, Boschi S

5-2: SIGNAL ANALYSIS Segmentation of Heart Sound Recordings from an Electronic Stethoscope by a Duration Dependent Hidden-Markov Model ................................................................................................................345

Schmidt SE, Toft E, Holst-Hansen C, Graff C, Struijk JJ

Performance Study of Digital Pacer Spike Detection as Sampling Rate Changes ....................................349Luo S, Johnston P, Hong W

A Novel Method for Poincaré Plot Shape Quantification Demonstrates Cardiac Tissue Repolarization Inhomogeneities Induced by Drugs .....................................................................................353

Mensing S, Limberis J, Gintant G, Safer A

5-3: MODELS Effects of Activation Origin on the Subcutaneous ECG with Horizontal and Vertical Bipolar Lead Orientation ...............................................................................................................................357

Väisänen J, Requena Carrión J, Hyttinen J

Eigen-Vector Based Leads for Reconstruction of the 12-Lead Electrocardiogram ..................................361Finlay DD, Nugent C, Donnelly MP, Nelwan SP

Effect of Heart Motion on the Solutions of Forward and Inverse Electrocardiographic Problem - a Simulation Study ........................................................................................................................365

Jiang Y, Farina D, Dössel O

Model-Based Estimation of Intracranial Pressure and Cerebrovascular Autoregulation .......................369Kashif FM, Heldt T, Verghese GC

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5-4: ECG IN ISCHEMIA/INFARCTION Improving Reliability of “Total-Cosine-R-to T” (TCRT) in Patients with Acute Myocardial Infarction .........................................................................................................................................................373

Karsikas M, Huikuri H, Seppänen T

Ischemia Monitoring by Analysis of Depolarization Changes ....................................................................377Amit G, Davrath LR, Abboud S, Hod H, Toledo E, Matetzky S

Automatic Distinguishing Between Ischemic and Heart-Rate Related Transient ST Segment Episodes in Ambulatory ECG Records .........................................................................................381

Faganeli J, Jager F

Detection of Acute Myocardial Ischemia by Vessel-Specific Leads Derived from Reduced Lead Sets ..........................................................................................................................................................385

Wang JY, Mirmoghisi M, Warren JW, Wagner GS, Horá?ek BM

6-1: CARDIAC MECHANICS Assessment of Cardiac Rotation by Means of Gyroscopic Sensors.............................................................389

Marcelli E, Cercenelli L, Musaico M, Bagnoli P, Costantino ML, Fumero R, Plicchi G

Analysis of Cardiac Micro-Acceleration Signals for the Estimation of Systolic and Diastolic Time Intervals in Cardiac Resynchronization Therapy ..............................................................................393

Giorgis L, Hernandez AI, Amblard A, Senhadji L, Cazeau S, Jauvert G, Donal E

Assessment of Cardiac Apex Kinematics Using a Real-Time 3D Magnetic Tracking System .................397Marcelli E, Spolzino S, Cercenelli L, Cappello A, Bagnoli P, Costantino ML, Malagutti N, Fumero R, Plicchi G

Respiration Analysis of the Sternal Ballistocardiograph Signal .................................................................401Tavakolian K, Kaminska B, Vaseghi A, Kennedy-Symonds H

6-2: DEVICES, APPLICATIONS, AND METHODS Development and Validation of a Model of Atrioventricular Conduction in Atrial Fibrillation Based on Junctional Intracardiac Electrograms......................................................................405

Roka A, Merkely B

Is “Silent Ischemia” Detectable by Endocardial Pacemaker Leads?..........................................................409Palleri F, Corazza I, Marcelli E, Cercenelli L, Branzi A, Zannoli R

Atrial Fibrillation Detection by a Subcutaneous Monitoring Device..........................................................413Hindricks G, Taborsky M, Wohlgemuth P, Rieger G, Beckers F, Albers B

Data Compression for Implantable Medical Devices ...................................................................................417Koyrakh LA

6-3: CELLULAR MODELS Effects of the Reggae Mutation on Sinus Node Function: A Simulation Study .........................................421

Seemann G, Scholz EP, Weiss DL, Dössel O

Approaching the Mechanistic Insights Towards the Genesis of Intracellular Calcium Transient Alternans – a Simulation Study ....................................................................................................425

Zhang H, Tao T, O'Neill SC

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Adaptive Modeling of Ionic Membrane Currents Improves Models of Cardiac Electromechanics.............................................................................................................................................429

Kuijpers NHL, ten Eikelder HMM, Prinzen FW

6-4: SLEEP APNEA A Sleep Apnoea Keeper in a Wearable Device for Continuous Detection and Screening during Daily Life .............................................................................................................................................433

Angius G, Raffo L

Respiratory Rate Derived from Principal Component Analysis of Single Lead Electrocardiogram ..........................................................................................................................................437

Bowers EJ, Murray A, Langley P

7-1: ECG INFORMATICS An Open Source ECG Toolkit with DICOM ................................................................................................441

van Ettinger MJB, Lipton JA, de Wijs MCJ, van der Putten N, Nelwan SP

XML Based Mediation for Automating the Storage of SCP-ECG Data into Relational Databases .........................................................................................................................................................445

Jumaa H, Fayn J, Rubel P

How a Human Ranks the ECG Diagnostic Parameters: The Pursuit of Experts' Preferences Based on a Hidden Poll ..............................................................................................................449

Augustyniak P

Testing the Quality of 12 Lead Holter Analysis Algorithms........................................................................453Fischer R, Sinner MF, Petrovic R, Tarita E, Kääb S, Zywietz TK

7-2: COMPUTATIONAL MODELS AND APPLICATIONS Cardiovascular Changes in Cardiogenic and Obstructive Shocks: Analysis Using a Cardiopulmonary Simulation Model.............................................................................................................457

Giannessi M, Chbat NW, Albanese A, Op Den Buijs J, Magosso E, Ursino M

Wavelet Transform Coherence Estimates in Cardiovascular Analysis: Error Analysis and Feasibility Study ..............................................................................................................................................461

Keissar K, Davrath LR, Akselrod S

Non-Rigid Motion Compensation in Free-Breathing Myocardial Perfusion Magnetic Resonance Imaging .........................................................................................................................................465

Wollny G, Ledesma-Carbayo MJ, Kellman P, Santos A

Changes in Heart Rate and Tissue Blood Volume Induced by Inspiration and Expiration.....................469Nitzan M, Dayan D, Babchenko A, Murray A

Mechanisms of Asymmetric Poincaré Plots Obtained by Means of 24-Hour Holter Monitoring in Athletes ....................................................................................................................................473

Esperer HD, Esperer C

Heart Rate Detection in Highly Noisy Handgrip Electrocardiogram.........................................................477Lin CC, Hu WC, Chen CM, Weng CH

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7-3: DEFIBRILLATION MODELS The Role of Volume Conductivities in Simulation of Implantable Defibrillators .....................................481

Stinstra JG, Jolley MA, Tate JD, Brooks DH, Triedman JK, MacLeod RS

Comparison of Countershock Prediction Features based on Autoregressive and Fourier Transformed Spectral Analysis......................................................................................................................485

Nowak CN, Fischer G, Neurauter A, Wieser L, Tilg B, Strohmenger HU

Influence of Tissue Anisotropy on the Distribution of Defibrillation Fields ..............................................489Seitz SA, Seemann G, Dössel O

In-Vitro Investigation of Very Long Defibrillation Shocks: Design and Testing of a Capacitor-Free Defibrillator ..........................................................................................................................493

Triventi M, Mattei E, Delogu A, Censi F, Calcagnini G, Bartolini P, Aguel F, Stohlman J, Krauthamer V

Development of a Model of the Infarcted Canine Heart that Predicts Arrhythmia Generation from Specific Cardiac Geometry and Scar Distribution .........................................................497

Arevalo HJ, Helm PA, Trayanova NA

Feedback Control of Resonant Drift as a Tool for Low Voltage Defibrillation .........................................501Biktasheva IV, Morgan SW, Plank G, Biktashev VN

7-4: T-WAVE ALTERNANS – PHISIONET CHALLENGE I The PhysioNet / Computers in Cardiology Challenge 2008: T-Wave Alternans.......................................505

Moody GB

An Open-Source Standard T-Wave Alternans Detector for Benchmarking .............................................509Khaustov A, Nemati S, Clifford GD

Heart-Rate Adaptive Match Filter Based Procedure to Detect and Quantify T-Wave Alternans..........................................................................................................................................................513

Burattini L, Burattini R

Estimation of T-Wave Alternans from Multi-Lead ECG Signals Using a Modified Moving Average Method ..............................................................................................................................................517

Nijm GM, Swiryn S, Larson AC, Sahakian AV

Principal Component Analysis for Detection and Assessment of T-Wave Alternans ...............................521Bortolan G, Christov II

T-Wave Alternans Ranking: Striking Disagreement between Two Vectorcardiographic Measures of Repolarization Heterogeneity ...................................................................................................525

Man S, Maan AC, Schalij MJ, van der Wall EE, Swenne CA

8-1: CORONARY ARTERY IMAGING Motion Estimation in X-Ray Rotational Angiography Using a 3-D Deformable Coronary Tree Model.......................................................................................................................................................529

Bousse AB, Zhou JZ, Yang GY, Bellanger JJB, Toumoulin CT

Assessment of Myocardial Perfusion with Multi-Detector Computed Tomography ................................533Coppini G, Favilla R, Barbagli B, Diciotti S, Lombardo S, Schlueter M, Salvatori L, Canapini C, Neglia D, Marraccini P

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Reproducibility of IVUS Measurements in Heart Transplant Recipients: Increased Quality of Data by Using a Dedicated Software for Image Analysis ........................................................................537

D'Errico V, Potena L, Fiore D, Fabbri F, Grigioni F, Magnani G, Ortolani P, Bianchi I, Corazza I, Zannoli R, Branzi A

An Automated Approach to Quantify Volumetric Coronary Plaque Composition by Multi-Slice Computed Tomography: An Ex-Vivo Feasibility Study .....................................................................541

Bruining N, Verheye S, Knaapen M, Somers P, Regar E, Ligthart J, Cademartiri F, de Winter S, van Langenhove G, Serruys PWJC, de Feijter PJ, Hamers R

Evidences of Possible Necrotic-Core Artifact around Dense Calcium in Virtual Histology Images ..............................................................................................................................................................545

Sales FJR, Falcão JLAA, Falcão BAA, Lemos PA, Furuie SS

8-2: HEART RATE VARIABILITY II Quantifying the Complexity of Short-Term Heart Period Variability through K Nearest Neighbor Local Linear Prediction .................................................................................................................549

Faes L, Erla S, Nollo G

Implicit Comparison of Accuracy of Heart Rate Variability Spectral Measures Estimated via Heart Rate and Heart Period Signals ......................................................................................................553

Maistrou AI

Linear and Nonlinear Heart Rate Variability Risk Stratification in Heart Failure Patients ...................557Voss A, Schroeder R, Vallverdu M, Cygankiewicz I, Vazquez R, Bayes de Luna A, Caminal P

How the Threshold “R” Influences Approximate Entropy Analysis of Heart-Rate Variability ........................................................................................................................................................561

Castiglioni P, Di Rienzo M

Editing RR Series and Computation of Long-Term Scaling Parameters ..................................................565Sassi R, Mainardi LT

Heart Rate Variability Associated with Experienced Zen Meditation .......................................................569Hoshiyama M, Hoshiyama A

8-3: REPOLARIZATION MODELS ß-Adrenergic Modulation of IKs Gating in the Guinea Pig: What Can Be Learned by Numerical Modeling........................................................................................................................................573

Severi S, Corsi C, Rocchetti M, Zaza A

Relevance of the KCNH2 Protein Stoichiometry to Pathological Conditions Underlying QT Abnormality.....................................................................................................................................................577

Wang C, Beyerlein P, Petznick G, Krause A, Nugent C, Dubitzky W

Post-Repolarization Refractoriness in Human Ventricular Cardiac Cells ................................................581Rodriguez JF, Heidenreich EA, Romero L, Ferrero (Jr) JM, Doblare M

The Role of Extracellular Potassium Concentration and Stimulus Period on the Functional Inhomogeneity of Cardiac Tissue: A Simulation Study...............................................................................585

Chouvarda I, Maglaveras NM

Allosteric Interaction of Rapid Delayed Rectifier Protein and Its Role in Cardiac Repolarization .................................................................................................................................................589

Wang C, Beyerlein P, Hammer P, Krause A, Nugent C, Dubitzky W

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Performance Evaluation of Cardiac Repolarization Markers Derived from Unipolar Electrograms and Monophasic Action Potentials: A Simulation Study .....................................................593

Colli Franzone P, Pavarino LF, Scacchi S, Taccardi B

8-4: T-WAVE ALTERNANS – PHYSIONET CHALLENGE II T-Wave Alternans: A Comparison of Different Measurement Techniques...............................................597

Zheng D, Stevens S, Langley P, Wang K, Haigh AJ, King S, Murray A

Multilead T-Wave Alternans Quantification Based on Spatial Filtering and the Laplacian Likelihood Ratio Method................................................................................................................................601

Monasterio V, Martínez JP

Analysis of T-Wave Alternans Using the Ramanujan Transform ..............................................................605Mainardi LT, Bertinelli M, Sassi R

An Improved Spectral Method of Detecting and Quantifying T-Wave Alternans for SCD Risk Evaluation ...............................................................................................................................................609

Shen TW, Tsao YT

An Electrophysiological Cardiac Model Approach to Measuring T-Wave Alternans..............................613Mneimneh MA, Povinelli RJ

Detection and Estimation of T-Wave Alternans with Matched Filter and Nonparametric Bootstrap Test..................................................................................................................................................617

Rojo-Álvarez JL, Barquero-Pérez O, Mora-Jimenez I, Goya-Esteban R, Gimeno-Blanes J, Garcia-Alberola A

9-1: ATRIAL FIBRILLATION Wavelet Variance Differences in Atrial Fibrillation during Anaesthetic Effect........................................621

Cervigón R, Castells F, Moreno J, Mateo J, Sánchez C, Millet J

Cardiac Arrhythmias Induced by an Electrical Stimulation at a Cellular Level ......................................625Jacquir S, Binczak S, Vandroux D, Laurent G, Athias P, Bilbault JM

Reentrant Mechanisms Triggered by Ectopic Activity in a Three-Dimensional Realistic Model of Human Atrium. a Computer Simulation Study ...........................................................................629

Tobón C, Ruiz C, Sáiz J, Heidenreich E, Hornero F

Semi-Automatic Enhancement of Atrial Models to Include Atrial Architecture and Patient Specific Data: For Biophysical Simulations ..................................................................................................633

Flores Hermosillo BD

9-2: DECISION SUPPORT Self Risk Assessment and Monitoring for Cardiovascular Disease Patients Based on Service-Oriented Architecture .......................................................................................................................637

Pan JI, Chen KM, Hsu WS

How Decision System Trained on a Large Database Recognizes New Cases – Prelude before Clinical Implementation .....................................................................................................................641

Mlynarski R, Wlodyka A, Ilczuk G, Pilat E, Kargul W

Visualization of Decision Rules – from the Cardiologist's Point of View ...................................................645Wlodyka A, Mlynarski R, Ilczuk G, Pilat E, Kargul W

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ECG and Echocardiography Processing for Decision Support in Heart Failure ......................................649Chiarugi F, Colantonio S, Emmanouilidou D, Moroni D, Perticone F, Sciacqua A, Salvetti O

Similarity-Based Searching in Multi-Parameter Time Series Databases...................................................653Lehman LH, Saeed M, Moody GB, Mark RG

Analysis and Monitoring of Patient Logistics in the Cardiology Outpatient Clinic ..................................657Dijk WA, Hoekema R, van der Vlugt M, Dassen WRM, van der Velde ET, van der Putten NHJJ, Hooijschuur CAM, Busman JP

Glucose Control as a Model for Implementation of a Clinical Decision Support System.........................661Lipton JA, Barendse RJ, Eenkhoorn EFHA, van der Ende J, van Dam TB, van Ettinger MJB, Nelwan SP, van der Ent M, van der Putten NHJJ

Evaluation of Risk Factors Selection in Cardiac Risk Stratification ..........................................................665Yargholy E, Parvaneh S

Information Systems for the Management of Clinical Data of Clinical Imaging Laboratories ....................................................................................................................................................669

Ferdeghini EM, Macerata A, Benassi A

Digital Phono- and Electro-Cardiography: Predicting Echocardiographic Parameters for Telemedicine Screening ..................................................................................................................................673

Khoor S, Kovacs I, Fugedi K, Horvath Gy, Domijan E, Domijan M

9-3: SLEEP APNEA Evaluation of Chin EMG Activity at Sleep Onset and Termination in Obstructive Sleep Apnea Syndrome .............................................................................................................................................677

Al-Angari HA

Recognizing Central and Obstructive Sleep Apnea Events from Normal Breathing Events in ECG Recordings .........................................................................................................................................681

Khandoker AH, Gubbi J, Palaniswami M

Interaction between Sleep EEG and ECG Signals during and after Obstructive Sleep Apnea Events with or without Arousals ........................................................................................................685

Khandoker AH, Karmakar CK, Palaniswami M

Cross Power Spectral Density between Two-Lead ECG Signals at the Termination of Obstructive Sleep Apnea with or without Arousals .....................................................................................689

Khandoker AH, Karmakar CK, Palaniswami M

9-4: ECG -REPOLARIZATION Comparison of Highly-Automatic versus FDA-Submitted QT Measurements for the Detection of Moxifloxacin Induced Prolongation of the QTc Interval .......................................................693

Handzel R, Garnett C, Li M, McNitt S, Polonski S, Xia X, Couderc JP

QT Dispersion Induced by Local Temperature Variations .........................................................................697Guill A, Trapero I, Roses E, Millet J, Tormos A, Pelechano F, Such-Miquel LM, Martínez-Climent A, Such L, Chorro FJ

An Algorithm to Estimate the ST Segment Level in 24-Hour Ambulatory ECG Records .......................701Smrdel A, Jager F

Quantifying the Effects of Ischaemia on Electrophysiology and the ST Segment of the ECG in Human Virtual Ventricular Cells and Tissues .........................................................................................705

Benson AP, Hodgson EK, Bernus O, Holden AV

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An Alternative Decision Rule for Threshold Based T-Wave Measurement Algorithms Based on Second Derivative Extrema............................................................................................................709

Rivera Farina PV, Laguna P, Martínez JP, Pérez Turiel J, Herreros López A, Wong S

9-5: CT AND MRI Towards 3-D LV Shape Recovery in Biplane X-Ray Angiography Using Statistical Shape Models ..............................................................................................................................................................713

Swoboda R, Steinwender C, Leisch F, Scharinger J

3D Cardiac MRI Data Visualization Based on Volume Data Preprocessing and Transfer Function Design ...............................................................................................................................................717

Yang F, Zuo WM, Wang KQ, Zhang H

High Performance Computer Simulations for the Study of Biological Function in 3D Heart Models Incorporating Fibre Orientation and Realistic Geometry at Para-Cellular Resolution ........................................................................................................................................................721

Bernabeu MO, Bishop MJ, Pitt-Francis J, Gavaghan DJ, Grau V, Rodríguez B

Assessment of Global Cardiac Function in MSCT Imaging Using Fuzzy Connectedness Segmentation ...................................................................................................................................................725

Fleureau J, Garreau M, Simon A, Hachemani R, Boulmier D

Assessing the Wall Motion of Pulmonary Veins of the Left Atrium...........................................................729Hu WC, Wang JJ, Tsao HM, Shyu LY

New Analysis Tools for the Comprehensive Assessment of the Coronary Arteries and Myocardial Viability in CT Data Sets ...........................................................................................................733

Kuehnel C, Hennemuth A, Peitgen HO, Mahnken AH

9-6: BAROFLEX CONTROL OF CIRCULATION BRS Analysis from Baroreflex Sequences and Baroreflex Events Compared Using Spontaneous and Drug Induced Data............................................................................................................737

Gouveia S, Rocha AP, Laguna P, Gujic M, Beloka SP, Van de Borne P, Lago P

Baroreflex Sensitivity Evaluation by Volterra Wiener Model and the Laguerre Expansion Technique.........................................................................................................................................................741

Wu TC, Chen CY, Kao T

Impaired Baroreflex Sensitivity Predicts Mortality in Chronic Kidney Disease.......................................745John SG, Sigrist MK, McIntyre CW

9-7: T-WAVE ALTERNANS: PHYSIONET CHALLENGE Correlation between Multifractal Spectrum Based on Wavelet Leaders and T-Wave Alternans..........................................................................................................................................................749

Cardo R, Corvalán A

New Method for the Detection of T-Wave Alternans in Basis of Walsh Functions...................................753Melnik OV

Principal Component Analysis Based Method for Detection and Evaluation of ECG T-Wave Alternans ...............................................................................................................................................757

Simoliuniene R, Krisciukaitis A, Macas A, Baksyte G, Saferis V, Zaliunas R

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Detecting and Quantifying T-Wave Alternans Using the Correlation Method and Comparison with the FFT-Based Method.....................................................................................................761

Ghaffari A, Homaeinezhad MR, Atarod M, Rahmani R

Hybrid Detector for the T-Wave Alternans Challenge ................................................................................765Meste O, Alegre de la Soujeole R, Tala O

Nonlinear Detection of T-Wave Alternans....................................................................................................769Väänänen H

An Artificial Multi-Channel Model for Generating Abnormal Electrocardiographic Rhythms ...........................................................................................................................................................773

Clifford GD, Nemati S, Sameni R

10-1: CARDIAC MRI An Automated Evaluation of Regional Left Ventricular Function on Cine Magnetic Resonance Images ...........................................................................................................................................777

El Berbari R, Kachenoura N, Redheuil A, Herment A, Bloch I, Mousseaux E, Frouin F

Quantification of Myocardial Edema and Necrosis during Acute Myocardial Infarction .......................781Baron N, Kachenoura N, Beygui F, Cluzel P, Grenier P, Herment A, Frouin F

Influence of the Temporal Resolution on the Quantification of Displacement Fields in Cardiac Magnetic Resonance Tagged Images ..............................................................................................785

García-Barnés J, Gil D, Bajo A, Ledesma-Carbayo MJ, Santa-Marta C

Improving Image Integration: Comparison of Intra Cardiac Echocardiography Guided Surface Registration with Landmarks Registration ....................................................................................789

Indiani S, Rossillo A, Bonso A, Themistoclakis S, Corrado A, Raviele A

10-2: BAROFLEX CONTROL OF CIRCULATION Linear and Nonlinear Parametric Model Identification to Assess Granger Causality in Short-Term Cardiovascular Interactions......................................................................................................793

Faes L, Nollo G, Chon KH

Arterial Blood Pressure Variability before and after Chronic Pacing Induced Heart Failure in Conscious Dogs ..............................................................................................................................797

Aletti F, Chen X, Sala-Mercado JA, Hammond RL, O'Leary DS, Baselli G, Mukkamala R

Cardiopulmonary Reflex Influence on the System Hemodynamic Rapid Regulation Mechanisms .....................................................................................................................................................801

Mamontov OV, Kalinichenko AN, Conrady AO, Shlyakhto EV

A Point Process Approach to Assess Dynamic Baroreflex Gain .................................................................805Chen Z, Brown EN, Barbieri R

The Synchrony between Baroreflex Sequences and Cardio-Respiratory Activity ....................................809Vallais F, Lucini D, Pagani M, Baselli G

Temporal Analysis of the Spontaneous Baroreceptor Reflex during Acute and Chronic Shaker Stress in Freely Moving Rats ............................................................................................................813

Sarenac O, Drakulic S, Lozic M, Loncar Turukalo T, Bajic D, Japundzic Zigon N

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10-3: ATRIAL FIBRILLATION Full Spectral Analysis of the Atrial Components in the ECG during Atrial Fibrillation .........................817

van Oosterom A, Lemay M, Kappenberger L

Quasi-Periodic Atrial Activity Components in the ECG used to Discriminate between Paroxysmal and Chronic Atrial Fibrillation.................................................................................................821

Lemay M, Dang L, Vesin JM

Adaptive Frequency Tracking on the ECG Used to Predict the Success of Electrical Cardioversion of Atrial Fibrillation ..............................................................................................................825

Prudat Y, De Morsier F, Lemay M, Vesin JM

Role of the Atrial Rate in the Ventricular Response during Atrial Fibrillation ........................................829Climent AM, Guillem MS, Husser D, Millet J, Bollmann D, Castells F

Spectral Analysis of Blood Pressure Variability in Atrial Fibrillation.......................................................833Corino VDA, Mainardi LT, Belletti S, Lombardi F

Atrial Fibrillation Analysis Using Bessel Kernel Based Time Frequency Distribution Technique.........................................................................................................................................................837

Kodituwakku S, Abhayapala TD, Kennedy RA

10-4: ECG: SIGNAL PROCESSING Efficient and Fast ECG Baseline Wander Reduction without Distortion of Important Clinical Information........................................................................................................................................841

Hargittai S

Evaluation of Feature Subsets for Classification of Cardiotocographic Recordings ................................845Chudacek V, Spilka J, Rubackova B, Koucky M, Georgoulas G, Lhotska L, Stylios C

Morphological Classification of Heartbeats Using Similarity Features and a Two-Phase Decision Tree ...................................................................................................................................................849

Chiarugi F, Emmanouilidou D, Tsamardinos I, Tollis IG

Classifying Electrocardiogram Peaks Using New Wavelet Domain Features ...........................................853Vansteenkiste E, Houben R, Pizurica A, Philips W

An Algorithm for Robust Detection of QRS Onset and Offset in ECG Signals ........................................857Illanes-Manriquez A, Zhang Q

A New Fitting Approach for Online Electrocardiogram Component Waves Delineation........................861Zoghlami EP Ayari E, Tielert R, Wehn N

11-1: COMPUTERS IN CARDIONEPHROLOGY Utilisation of Telemedicine to Assess Energy Expenditure and Stability in Older People with Chronic Kidney Disease .........................................................................................................................865

John SG, Owen PJ, Smith K, Youde JH, McIntyre CW

Cardiovascular Stability and Patient Dependent Mass Transfer during Dialysis.....................................869Casagrande G, Teatini U, Romei Longhena G, Fumero R, Costantino ML

Model-Based Analysis of Na-K+ Pump Influence on Potassium Depuration during Acetate Free Biofiltration (AFB) .................................................................................................................................873

Ciandrini A, Severi S, Cavalcanti S, Grandi F, Santoro S

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Role of Hemodialysis in Atrial Fibrillation Onset: Preliminary Results from a Combined Computational and Experimental Analysis ..................................................................................................877

Severi S, Fantini G, Corsi C, Vincenti A, Genovesi S

Short Term Variability of Oxygen Saturation during Hemodialysis Is a Warning Parameter for Hypotension Appearance.......................................................................................................881

Mancini E, Corazza L, Cannarile DC, Soverini ML, Cavalcanti S, Cavani S, Fiorenzi A, Santoro A

Hemofiltration in Cardiac Patients How to Choose the Parameters ..........................................................885Leor-Librach RJ

11-2: MONITORING INFORMATICS PAOLINA (PAziente on LINe, Ambulatoriale) as a Web Application for Facilitating the Storage and the Management of Self-Measured Blood Pressure Data.......................................................889

Djukic G, Mezzasalma L, Serasini L, Ghione S

Early Detection of Decompensation Conditions in Heart Failure Patients by Knowledge Discovery: The HEARTFAID Approaches...................................................................................................893

Candelieri A, Conforti D, Perticone F, Sciacqua A, Kawecka-Jaszcz K, Styczkiewicz K

An Intelligent and Integrated Platform for Supporting the Management of Chronic Heart Failure Patients................................................................................................................................................897

Colantonio S, Conforti D, Martinelli M, Moroni D, Perticone F, Salvetti O, Sciacqua A

Measurement of Heart Rate and Respiratory Rate Using a Textile-Based Wearable Device in Heart Failure Patients ................................................................................................................................901

Chiarugi F, Karatzanis I, Zacharioudakis G, Meriggi P, Rizzo F, Stratakis M, Louloudakis S, Biniaris C, Valentini M, Di Rienzo M, Parati G

Development of a Low Cost Wearable Prototype for Long-Term Vital Signs Monitoring Based on Embedded Integrated Wireless Module........................................................................................905

Galeotti L, Paoletti M, Marchesi C

11-3: ARRHYTHMIA CLASSIFICATION Methods for Discriminating Pre-Ectopic Sinus Beats..................................................................................909

Cavalcanti S, Lodi S, Moro G, Samorani M, Sartori C, Severi S

Differences between Ventricular Tachyarrhythmias for Patients with Coronary Artery Disease and Dilated Cardiomyopathy ...........................................................................................................913

Casaleggio A, Rossi P, Malavasi V, Musso G, Oltrona L

Manifold Learning for Premature Ventricular Contraction Detection .....................................................917Ribeiro BR, Henirques JH, Marques AM, Antunes MA

Automatic Classification of Arrhythmic Beats Using Gaussian Processes.................................................921Skolidis G, Clayton RH, Sanguinetti G

An Algorithm to Discriminate SVT from VT in Pediatric AED Based on Spectral Parameters .......................................................................................................................................................925

Irusta U, Ruiz J, Ruiz de Gauna S, Aramendi E

Parameters Affecting Shock Decision in Pediatric Automated Defibrillation ...........................................929Ruiz de Gauna S, Ruiz J, Irusta U, Aramendi E

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11-4: BLOOD FLOW AND PRESSURE Estimation of Pressure Gradient Images from Velocity Encoded MR Acquisitions.................................933

Herment A, Besson G, Pellot-Barakat C, Frouin F

On-Line Identification of the Heart Hemodynamic Parameters via an Adaptive Estimator Using Invasive Noisy Blood Pressure Waveform Observations ..................................................................937

Ghaffari A, Atarod M, Homaeinezhad MR, Rahmani R

Estimation of Mean Blood Pressure from Oscillometric and Manual Methods ........................................941Zheng D, Murray A

In Vitro Characterization of Bileaflet Mechanical Heart Valves Closing Sound ......................................945Bagno A, Buselli R, Anzil F, Tarzia V, Pengo V, Ruggeri A, Bottio T, Gerosa G

Source Separation of Fetal Heart Sounds and Maternal Activity from Single-Channel Phonograms: A Temporal Independent Component Analysis Approach..................................................949

Jimenez-Gonzalez A, James CJ

Design of New Reliable CFD-Based Estimation of Flow Rate: Early in-Vivo Results ..............................953Ponzini R, Vergara C, Veneziani A, Redaelli A

12-1: HEART RATE VARIABILITY The Chaos Theory and Non-linear Dynamics in Heart Rate Variability in Patients with Heart Failure ...................................................................................................................................................957

Krstacic G, Gamberger D, Krstacic A, Smuc T, Milicic D

Clinical Monitoring of the Tilt-Test: Task Force Monitor (TFM) and Heart Rate Variability (HRV)............................................................................................................................................961

Marangoni F, Corazza I, Tozzi MC, Frisoni J, Bacchi ML, Zannoli R

Signal Stationarity Assessment for the Heart Rate Variability Spectral Analysis ....................................965Kalinichenko AN, Nilicheva MI, Khasheva SV, Yurieva OD, Mamontov OV

A Study of Heart Rate and Brain System Complexity and Their Interaction in Sleep-Deprived Subjects............................................................................................................................................969

Kokonozi AK, Michail EM, Chouvarda IC, Maglaveras NM

Hypnotizability Dependent Autonomic Modulation during a Low Attentional Task...............................973Balocchi R, Paoletti G, Santarcangelo EL, Scattina E, Sebastiani L, Macerata A, Varanini M

Assessment of the Long-Duration Effect of Inhaled Long-Acting Bronchodilator Salmeterol on Cardiac Autonomic Control in Adult Asthma Patients.......................................................977

Tsou CH, Kao T, Wang JH, Chuang CY

Probability Trends in the Assessment of Cardiovascular Autonomic Fluctuations during Cold Pressor Tests...........................................................................................................................................981

Ng F, Wong S, Gomis P, Lim J, Passariello G, Ansermino JM

Multi-Functional Device for Cardiologic Telemedicine and Diagnostic Holter.........................................985Belardinelli A, Muratori L, Corazza I, Magnalardo M, Marangoni F, Zannoli R

Complexity Assessment of ECG RR Interval ...............................................................................................989Berskiene K, Vainoras A, Daunoraviciene A, Sedekerskiene V, Korsakas S, Jurkonis V

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12-2: WIRELESS Wireless Vital Signals Monitor for Patients with Cardiovascular Diseases and Sportsmen ....................993

Korsakas S, Vainoras A, Gargasas L, Poderys J, Navickas Z, Bikulciene L, Ruseckas R, Jurkonis V, Miskinis V, Jarusevicius G

A Wireless and Context-Aware ECG Monitor: An iMote2 Based Portable System .................................997Spadini F, Vergari F, Nachman L, Lamberti C, Salmon Cinotti T

A DVB-T Framework for the Remote Monitoring of Cardiopathic and Diabetic Patients....................1001Angius G, Pani D, Raffo L, Randaccio P

Satellite-Enabled eHealth Applications in Disaster Management-Experience from a Readiness Exercise ........................................................................................................................................1005

Chronaki CE, Kontoyiannis V, Charalambous E, Vrouchos G, Mamantopoulos A, Vourvahakis D

SMS-Based Platform for Cardiovascular Tele-Monitoring ......................................................................1009Triventi M, Mattei E, Censi F, Calcagnini G, Mastrantonio F, Giansanti D, Maccioni G, Macellari V, Bartolini P

12-3: VENTRICULAR MODELS Safety in Purkinje to Ventricular Conduction and Reentrant Activity under Simulated 1B Ischemia .........................................................................................................................................................1013

Ramírez E, Trénor B, Sáiz J, Ferrero (Jr) JM, Moltó G, Hernández V

Effect of Lidocaine in Acute Ischemic Situations: A Computer Modeling Study....................................1017Cardona K, Sáiz J, Martinez M, Moltó G, Hernández V

Computational Analysis of Uremia Effects on Ventricular Action Potential ..........................................1021Callisesi G, Corsi C, Severi S

Reentrant Activity in a Virtual 3D Ventricular Slab Preparation Subject to Regional Simulated Ischemia: Role of the Ischemic Zone Size .................................................................................1025

Romero L, Heidenreich E, Rodriguez JF, Trénor B, Ferrero JM, Sáiz J, Doblare M

Epicardial Mapping of Ventricular Fibrillation in the Human Heart during Ischaemia and Reperfusion....................................................................................................................................................1029

Clayton RH, Bradley CP, Nash MP, Varma S, Mourad A, Paterson DJ, Hayward M, Taggart P

12-4: ARRHYTHMIA II A Pediatric Shock Advice Algorithm Based on the Regularity of the Detected Beats ............................1033

Irusta U, Ruiz J, Ruiz de Gauna S, Aramendi E

Designing an Alarm System for the Stratification of Risk of Cardiac Arrhythmias...............................1037Álvarez E, Jiménez J, Moleiro F, Rodriguez A

Predicting Electrical Cardioversion Outcome from Surface ECG Recordings Through Wavelet Sample Entropy ..............................................................................................................................1041

Alcaraz R, Rieta JJ

Optimal Beat Selection Study for QSRT Cancellation Methods in the ECG of Atrial Fibrillation .....................................................................................................................................................1045

Alcaraz R, Rieta JJ

Two Types of Distribution Patterns of Bigeminy and Trigeminy in Long-Term ECG: a Model-Based Interpretation .........................................................................................................................1049

Ikeda N, Takayanagi K, Takeuchi A, Mamorita N, Miyahara H

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Real-Time Discrimination of Multiple Cardiac Arrhythmias for Wearable Systems Based on Neural Networks ......................................................................................................................................1053

Valenza G, Lanatà A, Ferro M, Scilingo EP

Statistical Analysis of RR Interval Irregularities for Detection of Atrial Fibrillation ............................1057Ghodrati A, Marinello S

12-5: FETAL MONITORING Non-Invasive Evaluation of Opening and Closing Timings of the Cardiac Valves in the Fetal Cardiac Cycle.......................................................................................................................................1061

Khandoker AH, Kimura Y, Ito T, Sato N, Okamura K, Palaniswami M

A DSP Algorithm and System for Real-Time Fetal ECG Extraction .......................................................1065Pani D, Argiolas S, Raffo L

12-6: ECG-SIGNAL PROCESSING Performance and Productivity Benefits Using Multi-Core Processors for the Analysis of Digital Long-Term ECG Recordings...........................................................................................................1069

Hilbel T, Lux RL, Dietzsch J, Schliephake M, Katus HA

Neural Network Based Canceller for Powerline Interference in ECG Signals........................................1073Mateo J, Sánchez C, Torres A, Cervigón R, Rieta JJ

Effect of ECG Filtering on Time Domain Analysis of the P-Wave ...........................................................1077Censi F, Calcagnini G, Bartolini P, Cervi E, Diemberger I, Corazza I, Boriani G

12-7: IMAGING Comparison of Two Procedures of Loading with Voltage-Sensitive Dye Di-4 ANEPPS in Rabbit Isolated Heart ...................................................................................................................................1081

Nováková M, Nogová K, Bardonová J, Provazník I

New Recording Setup for Ratiometric Recording of Action Potentials by Optical Means.....................1085Bardonová J, Provazník I, Nováková M, Nogová K, Sekora J

A Novel Approach to Quantitative Analysis of Intravascular Optical Coherence Tomography Imaging ...................................................................................................................................1089

Sihan K, Botha C, Post F, de Winter S, Regar E, Hamers R, Bruining N

Partial Volume Correction of Small Animal PET Cardiac Dynamic Images Using Iterative Reconstruction: Effects on Glucose Metabolic Rate Measurement ..........................................................1093

D'Ambrosio D, Fiacchi G, Cilibrizzi P, Lamberti C, Baldazzi G, Boschi S, Franchi R, Marengo M, Spinelli AE

13: CLOSING PLENARY SESSION 3D Analysis of Transmural Myocardial Strain from Sonomicrometric Crystals in the Open Chest Dog .......................................................................................................................................................1097

Saracino G, Ragnoni A, Popovic ZB, Corsi C, Greenberg N, Lamberti C, Thomas JD

Analysis of Regional Left Ventricular Function in the Post-Infarct Mouse by Magnetic Resonance Imaging with Retrospective Gating ..........................................................................................1101

Caiani EG, Franzosi M, Castiglioni L, Guerrini U

Page 22: COMPUTERS IN CARDIOLOGY 2008toc.proceedings.com/04497webtoc.pdf · From Real-Time 3D Echocardiography to Mitral Valve Finite Element ... Echocardiographic Images as a Basis for Volumetric

Electrogram Fractionation Caused by Microfibrosis: Insights from a Microstructure Model..............................................................................................................................................................1105

Jacquemet V, Robinson B, Henriquez CS

Early Detection of Falling Asleep at the Wheel: A Heart Rate Variability Approach............................1109Dorfman Furman G, Baharav A, Cahan C, Akselrod S

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