14th Nordic-Baltic Conference on Biomedical Engineering and Medical Physics: NBC 2008. 16-20 June 2008. Riga, Latvia (IFMBE Proceedings (20))

14th Nordic – Baltic Conference on Biomedical Engineering and Medical Physics NBC 2008 brought together scientists not only from the Nordic – Baltic region, but from the entire world. This volume presents the Proceedings of this international conference, jointly organized by the Latvian Medical Engineering and Physics Society, Riga Technical University and University of Latvia in close cooperation with International Federation of Medical and Biological Engineering (IFMBE) The topics covered by the Conference Proceedings include: Biomaterials and Tissue Engineering; Biomechanics, Artificial Organs, Implants and Rehabilitation; Biomedical Instrumentation and Measurements, Biosensors and Transducers; Biomedical Optics and Lasers; Healthcare Management, Education and Training; Information Technology to Health; Medical Imaging, Telemedicine and E-Health; Medical Physics; Micro and Nanoobjects, Nanostructured Systems, Biophysics Front Matter....Pages I-XIX Building and Implementing an eHealth Strategy: is there a Good Recipe for Baltic Countries?....Pages 1-4 Biomedical Engineering Program on the Internet for Worldwide Use....Pages 5-7 The Modification of Titanium Dioxide MOCVD Coating in TiAlNb after Immersion in Artificial Saliva....Pages 8-11 Osteogenesis on Surface Selective Laser Sintered Bioresorbable Scaffolds....Pages 12-15 Investigation of the Bone Cartilage Interface by CLSM....Pages 16-18 Improving Titanium Biocompatibility Manipulating Surface Porocity....Pages 19-22 Electrically Charged Hydroxyapatite Enhances Immobilization and Proliferation of Osteoblasts....Pages 23-25 Titanium Dioxide MOCVD Coating on CoCr Alloy and its Properties in Compare with Phosphate Coatings....Pages 26-29 Plasma Polymer Coating of Titanium for Improved Bone Implants....Pages 30-33 Silk-Based Scaffold for Ligament Tissue Engineering....Pages 34-37 Influence of Hydrogenated Calcium Phosphate Surface on Potential of Stromal Stem Cells in Situ....Pages 38-40 The Influence of Cultivation Conditions on the Proliferation and Differentiation of Rat Bone Marrow Multipotent Mesenchymal Stromal Cells....Pages 41-44 Human Blood Cells Affected by Hydroxyapatite Coated Titanium....Pages 45-47 Development of Biomorphic SiC Ceramics for Biomaterial Purposes....Pages 48-51 Release of Quaternary Ammonium Antimicrobial Compounds from Acrylic Bone Cement....Pages 52-55 The Evaluation of Quality and Selection of TiNi Shape Memory Alloy for Medical Purpose....Pages 56-59 Ions Release from Ti Implant Alloys in Simulated Bioliquids....Pages 60-63 Stress-Strain State of System “Bone-Implant” Analyzed by FEM and its Comparison with Experimental Results....Pages 64-67 Fourier Transform Infrared Spectra of Technologically Modified Calcium Phosphates....Pages 68-71 Reactogenicity of Synthetic Hydroxyapatite (HAp) Ceramic Materials Implanted in Rabbits Jaws....Pages 72-75 Biomechanical Properties of Two Synthetic Biomaterials for Ventricular Septal Defect Closure in Infancy....Pages 76-79 Development of Poly(vinyl alcohol) Based Systems for Wound Dressings....Pages 80-82 Apatite-based Biomaterials Synthesized in Saline Melts....Pages 83-86 Degradation of Bone Material in Time....Pages 87-90 Real-Time EEG Parameterization for Shunt Decision Supporting System During Carotid Endarterectomy....Pages 91-94 Automatic Quantification of Handwriting Characteristics Before and After Rehabilitation....Pages 95-98 Reciprocating Orthotics Complex (ROC) for Children Suffering from Cerebral Paralysis and Spinal Diseases....Pages 99-102 Muscle Movement and Electrodes Motion Artifact during Vibration Treatment....Pages 103-106 Mandible and Temporomandibular Disc Movements on Physiological Subjects with Use of MRI....Pages 107-110 Choice and Impact of a Non-Newtonian Blood Model for Wall Shear Stress Profiling of Coronary Arteries....Pages 111-114 Validation of Individual Calibration Procedure in Prediction of One Repetition Maximum in Bench Press....Pages 115-118 Prediction of One Repetition Maximum in Dumbbell Concentration Curl and Shoulder Press....Pages 119-122 Feature Selection for Bayesian Evaluation of Trauma Death Risk....Pages 123-126 Objective Evaluation of Stroke Patients’ Movement....Pages 127-130 Applying Consumer Technologies to Assistive Device Design....Pages 131-134 Finite Element Analysis of Honeycomb-Core Foam on Shock-Absorbing Capability against Childhood Head Injury....Pages 135-138 Results of Reciprocal Orthosis System with Kinematic Interdependence used in Children with Children Cerebral Paralysis and Spinal Patients....Pages 139-140 Colorimetric Plantographic Diagnostics of Foot Pathology on the Footprint in Static and Dynamics....Pages 141-142 Biomechanical Properties of Glutaraldehyde Treated Human Pericadium....Pages 143-145 Eye Kinematics of Athletes in Non-Familiar Sports Situations....Pages 146-149 Feasibility Experiment of Gait Training System Using Real-time Visual Feedback of Knee Joint Angle....Pages 150-153 Investigation of Biomechanical Properties of Different Elements of Human Mitral Valve....Pages 154-155 Development of Research for Machining of Implants with Novel Materials for Bone Surgery....Pages 156-159 The Artificial Larynx: A Review of Current Technology and a Proposal for Future Development....Pages 160-163 Power Density Spectra of the Velocity Waveforms in Artificial Heart Valves....Pages 164-167 Development of a Generic Assistive Platform to Aid Patients with Motor Disabilities....Pages 168-171 Usability Evaluation of Three Unilateral — Propelled Wheelchairs for Hemiplegic Patients....Pages 172-174 The Effect of Gait Speed on Pre- and Postoperative Analysis of Gait Parameters after Total Knee Arthroplasty....Pages 175-178 Quantitative Analysis of the Activation Strategies during Freezing in Parkinson’s Patients....Pages 179-182 Precise Positioning of Electrodes at Transesophageal Atrial Stimulation Using Multichannel Transesophageal Pacemaker and Lead....Pages 183-185 Automated multi-parametric label free 24 channel real-time screening system....Pages 186-189 Decentralized Multi-channel Digitizing of Bioimpedance Signals....Pages 190-193 Design and Implementation of Textile Sensors for Biotelemetry Applications....Pages 194-197 The Suitability of Silver Yarn Electrodes for Mobile EKG Monitoring....Pages 198-201 Drawback of ICA Procedure on EEG: Polarity Indeterminacy at Local Optimization....Pages 202-205 Empirical Mode Decomposition on Mismatch Negativity....Pages 206-209 Measurement and Control of Ultra-Low Liquid Flowrates for Drug Delivery Application....Pages 210-212 Hardware Embedded System on a Chip for the Normal ECG Recognition....Pages 213-216 Slit-lamp Based Ocular Fluorometry Scanning....Pages 217-220 Epicardial Acceleration Signal Measured Using a Single Chip 3-axis Accelerometer....Pages 221-224 Novel Conducting Polymer Composite pH Sensors for Medical Applications....Pages 225-228 Future Trends in Robotic Neurosurgery....Pages 229-233 Development and Evaluation of One Arm Electrode Based ECG Measurement System....Pages 234-237 Diagnosing Acute Liver Graft Rejection: Experimental Application of an Implantable Telemetric Impedance Device in Native and Transplanted Porcine Livers....Pages 238-241 Augmentation Index in Different Severity Coronary Heart Disease Patients....Pages 242-244 Photoplethysmographic Measurements and Analysis....Pages 245-247 Noninvasive Measurement of the Pressure Gradient between the Radial and Finger Arteries....Pages 248-251 A Multicenter Study of Removed Uric Acid Estimated by Ultra Violet Absorbance in the Spent Dialysate....Pages 252-256 Comparison of Tibial Nerve Somatosensory Evoked Potential Signal-to-Noise Ratios During Anaesthesia....Pages 257-259 Phase Coupling in EEG Burst Suppression during Propofol Anesthesia....Pages 260-263 Rhythmic Fluctuations in Intracellular Mg 2+ in Spontaneously Beating Cultured Cardiac Myocytes....Pages 264-267 Importance of Nonlinear Signal Processing in Biomedicine....Pages 268-269 An Intelligent Method for Identifying Cardiac Cycles from Tracheal Sounds during Sleep....Pages 270-273 Ultrasonic Non-invasive Investigation of Arterial Elasticity....Pages 274-277 EEG-fMRI Ballistocardiogram Removal: A New Non-linear Dynamic Time Warping Approach....Pages 278-281 Local Filtered QRS Duration during Sodium-channel Blockade in Brugada Syndrome Patients....Pages 282-285 Development of Flexible Thin Film Microelectrode Arrays for Neural Recordings....Pages 286-289 Prediction of Epileptic Seizures for On-Demand Vagus Nerve Stimulation....Pages 290-293 Apparatus for Short-Wave Inductothermy “Magnetotherm”....Pages 294-298 What Conclusions does Rapid Image Classification by Eye Movements Provide for Machine Vision?....Pages 299-302 Analysis of Foveation Sequences in Congenital Nystagmus....Pages 303-306 Numerical Models of Skin Conductivity Changes during Electroporation....Pages 307-310 An Experimental Study of PPG Probe Efficiency Coefficient Determination on Human Body....Pages 311-314 Non-linear Assessment of Heart Rate Variability in Ovo-lactovegetarians, Vegans and Omnivores during Oral Glucose Tolerance Test....Pages 315-318 Photoplethysmography Analysis of Artery Properties in Patients with Cardiovascular Diseases....Pages 319-322 Dialysis Adequacy On-line Monitoring Using DiaSens Optical Sensor: Technique and Clinical Application....Pages 323-326 Effects of ROI Size on Correlation between ROISR and SNR....Pages 327-330 Effect of Microwave Radiation on EEG Coherence....Pages 331-334 Stress Stages and Changes on EEG by low-level Physical (EMF) and Chemical Stressors....Pages 335-338 Body Surface Potential Mapping for Noninvasive Ischemia Detection....Pages 339-342 Effect of Lead Orientation on Bipolar ECG Measurement....Pages 343-346 On the Mechanism of Low Frequency Bioelectromagnetism....Pages 347-349 The Effect of Electrode Size on Cortical EEG Sensitivity Distributions....Pages 350-352 Measurement of Dissolved Oxygen with Lab-on-Chip Systems....Pages 353-356 Effects of Optical Radiation on the Healing of Bone Defect in Rabbits....Pages 357-360 Transmyocardial Laser Revascularization in Patients with Diffuse Coronary Artery Disease....Pages 361-362 Evaluation of a Fiber-Optic Based Pulsed Laser System for Fluorescence Spectroscopy....Pages 363-366 Effect of Light Scattering Simulation in the Eye on Different Color Stimuli Perception....Pages 367-370 Diffuse Reflectance Spectroscopy During Experimental Radio Frequency Ablation....Pages 371-374 Closed-Feedback Control of Laser Soldering of Rat Skin Using Diode Laser....Pages 375-377 Characterization of Input-Output Relations in Single Neurons using Spatiotemporal Photo-stimulation....Pages 378-379 Sensor for Measurement of Wear in Total Hip Arthroplasty....Pages 380-382 Effects of Static and Dynamic Modes on Laser Tissue Soldering: An In-vitro Study....Pages 383-385 Photoplethysmography Device for Detection of Changes in the Vasomotor Parameters of Small Laboratory Animals....Pages 386-389 Potentialities of Wear Measurement in Total Knee Arthroplasty....Pages 390-392 Optical Non-contact In-vitro Measurement of Total Hip Arthroplasty Wear....Pages 393-396 Spectroscopic Studies on Binding of Cationic Pheophorbide-a Derivative to Model Polynucleotides....Pages 397-400 ICT and Knowledge Management for the ISO 9001:2000 Standards Compliance of I.R.C.C.S. “Burlo Garofolo” Maternal-children Hospital....Pages 401-404 Biotelemetry....Pages 405-408 Five Year Biomedical Engineering Curriculum — Experiences and Results from the First Eight Years....Pages 409-412 Medical GRID and E-Learning in the Virtual Hospital....Pages 413-416 Luebeck’s International BME Master’s Program - Aim and Experiences....Pages 417-420 Developing Media Rich Virtual Learning Material for Biomedical Engineering Education....Pages 421-424 Development of the Biomedical Electronics Course for e-Learning....Pages 425-428 Cataract Surgery Simulator for Medical Education & Finite Element/3D Human Eye Model....Pages 429-432 COMSOL Multiphysics in Undergraduate Education of Electromagnetic Field Biological Interactions....Pages 433-436 Actual State of Medical Physics and Biomedical Engineering Education in Poland....Pages 437-438 The Practice for Medical Physics and Engineering Students....Pages 439-441 Scientific Research, Telemedicine and Health Services: the “Burlo Garofolo” Hospital Web Portal....Pages 442-445 A Neuro-Fuzzy Approach to the Classification of Fetal Cardiotocograms....Pages 446-449 Visions in Modeling of Cardiac Arrhythmogenic Diseases and their Therapies....Pages 450-453 Home Health Monitoring....Pages 454-457 Time Domain Signal Processing of Tibial Nerve Somatosensory Evoked Potentials During Anesthesia....Pages 458-460 Modelling Interrupter Measurements of Respiratory Resistance....Pages 461-464 Coupling Axis-Length Profiles with Bezier Splines in Finite Element Head Models....Pages 465-468 Analysis of Bioelectrical Uterine Activity for Detection of Threatening Premature Labour....Pages 469-472 Comparison of DT-CWT Based Rotation Variant and Invariant Methods on Tissue Characterization....Pages 473-476 CdZnTe Pixel Detectors for Medical Imaging....Pages 477-480 The Analysis of Craniofacial Morphology in Posteroanterior View....Pages 481-484 VAMP — A Vision Based Sensor Network for Health Care Hygiene....Pages 485-488 An Augmented Reality Application for Minimally Invasive Surgery....Pages 489-492 Methods for Counting Cells Supported by Digital Image Processing....Pages 493-496 Two Aspects of Calibrating a 3D Ultrasonic Computed-Tomography System....Pages 497-500 A Combined Bayesian Approach to Classifying Venous Flow during Contrast-Agent Injection using Doppler Ultrasound....Pages 501-504 Optimization of fMRI Processing Parameters for Simutaneous Acquisition of EEG/fMRI in Focal Epilepsy....Pages 505-508 Telemetric Personal Health Monitoring Systems for Asthma and Chronic Obstructive Pulmonary Disease....Pages 509-511 Clinical Relevance of Preoperative CT- based Computer Aided 3D- Planning in Hepatobiliary, Pancreatic Surgery and Living Donor Liver Transplantation....Pages 512-515 Assessing the Effects of Apneusis on Brain Functional Magnetic Resonance Imaging with Symbolic Dynamics....Pages 516-519 Breast Ultrasound Segmentation Using Morphologic Operators and a Gaussian Function Constraint....Pages 520-523 Image Analysis of DNA Repair and Apoptosis in Tumor Cells with Differing Sensitivity to DNA Damage....Pages 524-527 Parameterization of the Optic Nerve Disk in Eye Fundus Images....Pages 528-531 3D Medical Image Visualization and Volume Estimation of Pathology Zones....Pages 532-535 Biomedical Image Processing Based on Regression Models....Pages 536-539 Analysis of Outliers Effects in Voxel-Based Morphometry by means of Virtual Phantoms....Pages 540-543 Stroke Monitor as a Device Improving Diagnostic Value of Computed Tomography in Hyperacute Stroke....Pages 544-547 Morphological and Brainstem Physiology Assessment of Patients with Congenital Craniocervical Anomalies....Pages 548-551 Quality of the Computed Radiography Image Acquired with Decreased Doses....Pages 552-555 Evaluation of Acceptance Criteria for IMRT Plan Verification Based on Results of Film Dosimetry....Pages 556-557 Sensitivity of the Brain to Microwave Radiation....Pages 558-561 The Impact of the Anomalous Magnetic Field of the Earth on Demographic Indices (using Latvia as an example)....Pages 562-565 Development of the Positron Emission Tomography Center: Medical and Physical Aspects....Pages 566-569 Modulated Microwave Effects on Visual Event-related Potentials during Oddball Task....Pages 570-573 Evaluation of the Independent Dose Calculation Algorithm....Pages 574-577 Dosimetric Properties of Detectors for Quality Control of Intensity Modulated Radiotherapy....Pages 578-581 Considering Dose Rate in Routine X-ray Examination by Thermoluminescent Dosimetry (TLD) in Radiology units of Mazandaran Hospitals....Pages 582-585 Cost-Effectiveness of the Positron Emission Tomography with [ 18 F]-fluorodeoxyglucose for the Staging and Management of Lung Cancer in Russia....Pages 586-589 Design of an Ultra-Near-Field System for Planar Coded Aperture Nuclear Medicine Imaging....Pages 590-593 Semiconductors and Biomedical Structures for Nanobiometric Applications....Pages 594-597 Microcells Development and Endocytosis Ability Morphological and Quantitative Characterization in HeLa Cancer Cells....Pages 598-601 Atomic Force Microscopy Study of Yeast Cells Influenced by High Voltage Electrical Discharge....Pages 602-605 Dependence of DNA Electrotransfer into Cells In vitro on Cell Electroporation and DNA Electrophoresis....Pages 606-609 Measurement of Temperature Synchronized Yeast Cells kHz Electrical Oscillations....Pages 610-613 Self — Assembled System: Semiconductor and Virus Like Particles....Pages 614-615 Quantum Chemical Simulation of Cytochrome P450 Catalyzed Oxidation and Carcinogenic potency of Benzene Derivatives....Pages 616-618 Evaluation of Highly-Water Soluble Drug Physical State in Biodegradable Microcapsules....Pages 619-622 Time-dependent Model of Induced Transmembrane Voltage and Electroporation on Clusters of Cells....Pages 623-627 Mg 2+ and Ni 2+ ion Effects on Phase Transitions in AU and A2U under Conditions Close to Physiological Ones....Pages 628-631 Studies of Mechanical Treatment on Surface Charge of Bioactive Composites....Pages 632-635 Back Matter....Pages 637-647