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2013 Pan American Health Care Exchanges (PAHCE)最新文献

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Piezoelectric ceramics PLZT with Pt implants as unconventional filter, applied in isolation ECG. 压电陶瓷PLZT与Pt植入体作为非常规滤波器，应用于隔离心电。
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568227
C. Trinidad, E. Suaste
{"title":"Piezoelectric ceramics PLZT with Pt implants as unconventional filter, applied in isolation ECG.","authors":"C. Trinidad, E. Suaste","doi":"10.1109/PAHCE.2013.6568227","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568227","url":null,"abstract":"This work reports the development through the method of solid state reaction or oxide-mixing technique of PLZT ferroelectric ceramic with implant platinum (Pt) as an unconventional device and their characterization by electrical signals as high pass filters and pass band filter, with application in isolated ECG.","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115516761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomechanical motion capture methods focused on tele-physiotherapy 生物力学运动捕捉方法侧重于远程物理治疗
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568264
M. C. Cuervo, A. F. R. Olaya, R. M. G. Salamanca
{"title":"Biomechanical motion capture methods focused on tele-physiotherapy","authors":"M. C. Cuervo, A. F. R. Olaya, R. M. G. Salamanca","doi":"10.1109/PAHCE.2013.6568264","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568264","url":null,"abstract":"This paper presents system architecture for Telephysiotherapy aimed at people with upper limb motor disorders. Furthermore, it was analyzed the state of the art in scientific research related to the provision of physical therapy services through using information technology and communications, and it was explored in literature the methods and tools used for biomechanical motion capture. These technologies enable the integration of electronics, computing and communications for physiotherapy environments. The proposed system has a high social impact, given that this addresses an actual problem in Colombia and other Latin American countries, regarding access to physical rehabilitation programs of disabled people at the motor level that are located in remote areas with difficult access.","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129629532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Correntropy based algorithm for mortality prediction in an intensive care unit (ICU) 基于相关熵的重症监护病房死亡率预测算法
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568261
C. Garcia, S. Ortiz, J. Posada, J. Villanueva
{"title":"Correntropy based algorithm for mortality prediction in an intensive care unit (ICU)","authors":"C. Garcia, S. Ortiz, J. Posada, J. Villanueva","doi":"10.1109/PAHCE.2013.6568261","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568261","url":null,"abstract":"Predicting mortality for ICU patients has become for many years a topic of interest within Health Institutions because ICUs represent large percentage of the budget spent on them. Several scoring systems have been developed to determine the probability of survival of a patient, which allows medical staff making timely decisions on their treatment and the correct distribution of the ICU resources. Alternately to existing scoring systems, this paper proposes a method that had not been used previously for the prediction of mortality, which is the Correntropy.","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128977926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Algorithm for the automatic detection of JT interval and its variability at rest and exercise using Wavelet Transform 基于小波变换的静止和运动状态下JT区间及其变异性自动检测算法
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568245
Filigrana-de M. A. la Cruz, C. Alvarado-Serrano, M. A. García-González
{"title":"Algorithm for the automatic detection of JT interval and its variability at rest and exercise using Wavelet Transform","authors":"Filigrana-de M. A. la Cruz, C. Alvarado-Serrano, M. A. García-González","doi":"10.1109/PAHCE.2013.6568245","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568245","url":null,"abstract":"In this work, an algorithm based on Wavelet Transform (WT) is developed for detecting QRS complex, J point and peak and end of T wave. The algorithm has been validated using different databases provided by Physionet [1]. It is presented an application of the algorithm in the study of the Heart Rate Variability (HRV) and the JT interval is proposed as a more appropriate measure of ventricular repolarization of the heart than the QT interval [2].","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127594002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acquisition and processing multispectral imaging system to cardiovascular tissue 多光谱成像系统对心血管组织的采集与处理
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568272
S. Perez, J. Garzon, J. Bustamante
{"title":"Acquisition and processing multispectral imaging system to cardiovascular tissue","authors":"S. Perez, J. Garzon, J. Bustamante","doi":"10.1109/PAHCE.2013.6568272","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568272","url":null,"abstract":"This paper presents the development of a multispectral imaging system based on the implementation of a confocal chromatic architecture, specifically designed to be applied in studies of cardiovascular tissue. We made a pilot test that should be expanded to obtain the validation of the technique as a diagnostic method that contributes to prevention or treatment of pathologies that affect these tissues.","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128338873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Microstructure and mechanical properties of fish scales from MegalopsAtlanticus 大鳞鱼鳞的微观结构和力学性能
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568309
S. Gil, E. A. Ossa
{"title":"Microstructure and mechanical properties of fish scales from MegalopsAtlanticus","authors":"S. Gil, E. A. Ossa","doi":"10.1109/PAHCE.2013.6568309","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568309","url":null,"abstract":"This work studies the microstructure and mechanical properties of fish scales from Tarpon fish (MegalopsAtlanticus) with cycloid scales. Mechanical properties of the scales were evaluated in uniaxial tension from three different positions along the length of the fish (head, mid-length and tail), similarly it was evaluated the effects of dehydration of the material in the mechanical properties, demonstrating an increased stiffness as a function of dehydration also reported Garrano et al. for CyprinusCarpio [1]. Microstructural analysis revealed that the scale is composed by different layers associated with collagen to form a plywood like structure and a top layer associated with hydroxyapatite, as it has just been reported by several authors to different fish species [2 , 3, 4]. This combination of collagen and hydroxyapatite layers allows the fish scale to have a high penetration resistance [5]. Microstructural analysis also reveals that the scale have a rugged circular concentric pattern on top to provide advantages associated with hydrodynamic, unlike the inner part of the scale that is in contact with the dermis which presents a smooth surface. Thus all these microstructural and mechanical characteristics are used by fish as drag reduction system, mobility and increase protection against predators, which are desirable features in engineering applications through the design of bioinspired materials.","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121346395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chloroquine effect on human atrial action potential under normal conditions and during paroxysmal and chronic atrial fibrillation. A simulation study 氯喹对正常情况下、阵发性和慢性心房颤动期间人心房动作电位的影响。模拟研究
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568230
M. Duarte, A. L. Restrepo, C. Tobón, K. Cardona, J. Saiz
{"title":"Chloroquine effect on human atrial action potential under normal conditions and during paroxysmal and chronic atrial fibrillation. A simulation study","authors":"M. Duarte, A. L. Restrepo, C. Tobón, K. Cardona, J. Saiz","doi":"10.1109/PAHCE.2013.6568230","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568230","url":null,"abstract":"Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia. If the paroxysmal AF (pAF) is not treated it could become chronic or permanent AF (cAF). Blockade of inward rectifying potassium (IK1) and acetylcholine-activated potassium (IKACh) currents by the antimalarial drug chloroquine could play a role as antiarrhythmic drug in human AF. We simulated the effects of chloroquine on human atrial cell and studied its effect on atrial action potential under normal conditions and during pAF and cAF. For this, we modified a human cell model to obtain pAF and cAF models, and we developed a model of chloroquine effects on IK1 and IKACh; this model fit well the experimental data. Our results show that chloroquine blocks both currents in a fraction greater as the concentration increases, prolonging its action in time, which results in an APD lengthening. Chloroquine has a greater effect on pAF conditions and high chloroquine concentration is needed to achieve similar effects in cAF. To our knowledge, this is the first work that has developed mathematical models of chloroquine effects on IK1 and IKACh currents to study its effect on human atrial action potential.","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116981634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Multiphysics modeling of graphene-based biohybrid photoelectrochemical cells: An avenue to highly efficient and sustainable ultra-thin batteries 基于石墨烯的生物混合光电化学电池的多物理场建模:高效和可持续超薄电池的途径
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568250
María F. Guzmán, Andrés González, J. C. Cruz
{"title":"Multiphysics modeling of graphene-based biohybrid photoelectrochemical cells: An avenue to highly efficient and sustainable ultra-thin batteries","authors":"María F. Guzmán, Andrés González, J. C. Cruz","doi":"10.1109/PAHCE.2013.6568250","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568250","url":null,"abstract":"Graphene has been the focus of intensive research over the past few years due to its enormous potential in enabling a number of important applications in nanoelectronics and biomedicine. We propose that graphene can be considered as an ideal platform for the development of a new generation of ultra-thin batteries, capable of powering compact and portable biomedical devices that are intended to function autonomously. Here we explore the multiphysics modeling of a photoresponsive bioelectrode formed by the interface of graphene and PSI, which is suitable for sustainable electricity generation.","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121099236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of atmospheric CO2 on mammal's ventilatory rate 大气CO2对哺乳动物通气量的影响
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568216
C. A. Plata, M. Quintero, J. Cordovez
{"title":"The effect of atmospheric CO2 on mammal's ventilatory rate","authors":"C. A. Plata, M. Quintero, J. Cordovez","doi":"10.1109/PAHCE.2013.6568216","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568216","url":null,"abstract":"Atmospheric CO2 could potentially change ventilator rate leading to respiratory acidosis, and then daily life exposure can increase the intake rate of other air pollutants, therefore it's exposure dose. Subsequently CO2 may play an important role in regulating the toxicological effects of other air pollutants. In order to understand the possible effects of this pollutant on mammal's ventilatory rate, before designing experiments with living organisms, this study was carried out using a mathematical model that reproduces the main features of a chemosensitive neuron.","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121984835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Implementation of industrial technology to improve the manufacturing process contoured seats 实施工业技术改进异形座椅的制造工艺
2013 Pan American Health Care Exchanges (PAHCE) Pub Date : 2013-07-25 DOI: 10.1109/PAHCE.2013.6568325
Ana Maria Vásquez Gallego, Juliana Velásquez Gómez, Andrés Torres Velásquez
{"title":"Implementation of industrial technology to improve the manufacturing process contoured seats","authors":"Ana Maria Vásquez Gallego, Juliana Velásquez Gómez, Andrés Torres Velásquez","doi":"10.1109/PAHCE.2013.6568325","DOIUrl":"https://doi.org/10.1109/PAHCE.2013.6568325","url":null,"abstract":"EIA-CES BME program in collaboration with Mexico's Universidad iberoamericana has been able to design and fabricate contoured seats according to Centro de Ingeniería y Tecnología de Rehabilitacion (CITeR) protocols. The use of common foams increases seat deterioration and changes pressure maps. New materials such as polyurethane have been used to improve functionality by means of increasing flexibility. The objective of this study was to identify this material optimal Young modulus to ameliorate the shaped seats functionality. Foam flexibility increased with the addition of polyurethane.","PeriodicalId":151015,"journal":{"name":"2013 Pan American Health Care Exchanges (PAHCE)","volume":"177 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127133230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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