Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136)

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Cochlear maturation and otoacoustic emissions in preterm infants: a time-frequency approach
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 2 - Trang 1835-1837 vol.2
G. Tognola, P. Ravazzani, A. Parazzini, F. Grandori
Click-evoked otoacoustic emissions (CEOAEs) from preterm infants were analyzed to characterize developmental changes of cochlear active mechanisms. Due to their strong time-varying properties, CEOAEs were studied with the wavelet transform. Results obtained in our study give a clear indication that time-frequency characteristics of CEOAEs are not fully developed in preterm babies and reach the com...... hiện toàn bộ
#Pediatrics #Time frequency analysis #Wavelet transforms #Wavelet analysis #Biomedical engineering #Delay #Ear #Wavelet domain #Acoustic emission #Acoustic waves
Performance of existing prognostic factors for colorectal cancer prognosis - a critical view
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 4 - Trang 3909-3912 vol.4
M. Sarkar, XinZhi Qi, Peng-Kheong Leong, Tze-Yun Leong
Physicians use several prognostic factors to determine the state of a patient who is in the follow-up program of colorectal cancer. Casting this prognosis problem as a pattern classification problem, we have attempted to find how efficient the prognostic factors are for the classification. We have specifically chosen the sixteen most important prognostic factors for conducting the experiments. The...... hiện toàn bộ
#Cancer #Metastasis #Hospitals #Medical treatment #Diseases #Blood #Physics computing #Oncological surgery #Casting #Pattern classification
Using of local information for diagnosing intranatal adverse conditions by pulse oximetry
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 4 - Trang 3710-3713 vol.4
N. Guler, F. Gurgen, G. Arikan
The study aims to use the predictive value of oxygen saturation for the determination of hypoxemia and acidosis by local information during intranatal fetal monitoring. For this purpose, we employ the measurement of umbilical artery (UA) and umbilical vein (UV) oxygen saturation and pH in an unselected population, and calculate preductal oxygen saturation at birth. The study analyzes umbilical cor...... hiện toàn bộ
#Pulse measurements #Blood #Arteries #Wavelength measurement #Optical pulses #Reflectivity #Monitoring #Veins #Pediatrics #Oxygen
Modeling human open-loop tracking behavior
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 1 - Trang 836-839 vol.1
P.R. Davidson, R.D. Jones, J.H. Andreae, H.R. Sirisena
A nonlinear generalization of the Adaptive Model Theory, nAMT, is compared with human open-loop tracking data across the same range of conditions. The resulting simulations produced effects that mirrored the closed- and open-loop characteristics of the experimental response trajectories. This supports the use of an internal feedback loop for the inversion of external systems in the nAMT model. Oth...... hiện toàn bộ
#Humans #Open loop systems #Adaptive control #Motor drives #Biomedical engineering #Feedback loop #Bandwidth #Inverse problems #Programmable control #Blanking
Heart transplantation-spectral and bispectral analysis
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 1 - Trang 515-518 vol.1
E. Toledo, I. Pinhas, D. Aravot, S. Akselrod
Heart transplantation offers a unique view into an unusual cardiovascular system, with a denervated heart. We investigate noninvasively the compensatory cardiovascular control mechanisms, which develop following transplant. ECG, continuous blood pressure and respiration are recorded in supine position and during transition to standing, and analyzed in time and frequency domains. 25 recordings were...... hiện toàn bộ
#Spectral analysis #Heart rate #Surgery #Cardiology #Frequency #Cardiovascular system #Blood pressure #Heart rate variability #Medical treatment #Physics
Development of a compression algorithm suitable for exercise ECG data
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 4 - Trang 3521-3524 vol.4
K. Uyar, Y.Z. Ider
Huge amount of data recorded during exercise electrocardiography may be stored for further analysis or be transferred to a remote physician through telephone lines. Due to channel limitations, data must be compressed prior to the transfer, In this study, an algorithm suitable for compression of exercise electrocardiography data is proposed. 2-D discrete cosine transformation is applied in the algo...... hiện toàn bộ
#Compression algorithms #Electrocardiography #Discrete wavelet transforms #Discrete cosine transforms #Image reconstruction #Karhunen-Loeve transforms #Fourier transforms #Data engineering #Testing #Telemedicine
Presenting systems concepts in Physiology and Pharmacology with simulation applets in Java
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 4 - Trang 4032-4035 vol.4
J.M. Kootsey, G. McAuley, Hua Liu
Java simulation applets solving equations for system models have been constructed for teaching system behavior in Pharmacology and Physiology. The applets are intended to be included in Web pages with text and other illustrations for use in the classroom or in self-study lessons. Students can experiment with the system by changing selected model parameters with sliders, immediately observing the r...... hiện toàn bộ
#Physiology #Java #Education #Computational modeling #Web pages #Mathematical model #Differential equations #Animation #Service oriented architecture #Packaging
A spike triggered averaging technique for high resolution assessment of single motor unit conduction velocity changes during fatiguing voluntary contractions
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 2 - Trang 1097-1100 vol.2
D. Farina, L. Arendt-Nielsen, R. Merletti, T. Graven-Nielsen
In this paper we propose an improved spike triggered averaging technique for the assessment of control properties and conduction velocity (CV) of single motor units (MUs) during voluntary sub-maximal muscle contractions. The method is based on the detection of multi-channel surface EMG signals (with linear electrode arrays) and intramuscular recorded single MU action potentials (MUAPs). Intramuscu...... hiện toàn bộ
#Electromyography #Delay estimation #Muscles #Electrodes #Signal resolution #Signal processing algorithms #Velocity control #Tendons #Array signal processing #Testing
Effect of calcium-activated chloride current blockade on the delayed after depolarizations. Simulation study
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 1 - Trang 19-22 vol.1
J. Gomis-Tena, J. Saiz
High intracellular calcium conditions cause a calcium-activated transient inward current (I/sub ti/) that can provoke oscillations in membrane potential called delayed after depolarizations (DAD). The current I/sub ti/ comprises of the sodium-calcium exchange current (I/sub NaCa/) and the calcium-activated chloride current (I/sub NaCa/). Lindblad, Murphey, Clark and Giles (1996) developed a mathem...... hiện toàn bộ
#Delay effects #Mathematical model #Biomembranes #Calcium #Rabbits #Laboratories #Induction generators #Voltage #Nonlinear equations #Gears
Design of a prototype for dynamic electrocardiography monitoring using GSM technology: GSM-Holter
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 4 - Trang 3956-3959 vol.4
J.M. Guillen, J. Millet, A. Cebrian
Monitoring patients with serious cardiovascular problems is invaluable in preventing further crises and achieving a faster, more effective attention. To this end, noninvasive cardiologic tests such as dynamic electrocardiography (e.g., Holter) have proven useful in clinical practice. The present document puts forward a novel Holter system that benefits from the GSM mobile telephony standard widesp...... hiện toàn bộ
#Prototypes #GSM #Electrocardiography #Patient monitoring #Telephony #Cardiology #Testing #Remote monitoring #Hospitals #Electrodes
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