2018 International Conference BIOMDLORE最新文献_第2页

EMG-Based Validation of Musculoskeletal Models Considering Crosstalk 基于肌电图的考虑串扰的肌肉骨骼模型验证

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467211

Dominik Jungtäubl, J. Špička, M. Aurbach, F. Süß, M. Melzner, S. Dendorfer

{"title":"EMG-Based Validation of Musculoskeletal Models Considering Crosstalk","authors":"Dominik Jungtäubl, J. Špička, M. Aurbach, F. Süß, M. Melzner, S. Dendorfer","doi":"10.1109/BIOMDLORE.2018.8467211","DOIUrl":"https://doi.org/10.1109/BIOMDLORE.2018.8467211","url":null,"abstract":"BACKGROUND: Validation and verification of multibody musculoskeletal models sEMG is a difficult process because of the reliability of sEMG data and the complex relationship of muscle force and sEMG. OBJECTIVE: This work aims at comparing experimentally recorded and simulated muscle activities considering a numerical model for crosstalk. METHODS: For providing an experimentally derived reference data set, subjects were performing elevations of the arm, where the activities of the contemplated muscle groups were measured by sEMG sensors. Computed muscle activities were further processed and transformed into an artificial electromyographical signal, which includes a numerical crosstalk model. In order to determine whether the crosstalk model provides a better agreement with the measured muscle activities, the Pearson correlation coefficient has been computed as a qualitative way of assessing the curve progression of the data sets. RESULTS: The results show an improvement in the correlation coefficient between the experimental data and the simulated muscle activities when taking crosstalk into account. CONCLUSIONS: Although the correlation coefficient increased when the crosstalk model was utilized, it is questionable if the discretization of both, the crosstalk and the musculoskeletal model, is accurate enough.","PeriodicalId":151729,"journal":{"name":"2018 International Conference BIOMDLORE","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121537099","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: 5

The Closest Incomplete Medical Information Systems 最近的不完整医疗信息系统

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467192

Katarzyna Ignatiuk, A. Dardzinska

引用次数: 2

Recommender System for Diagnosis of Colon Diseases 结肠疾病诊断推荐系统

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467213

A. Kasperczuk, A. Dardzinska, J. Daniluk

引用次数: 2

Investigation of Non-Invasive Attributes for Classification of Patients with Portal Hypertension 门静脉高压症无创分型的探讨

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467185

Mindaugas Marozas, Romanas Zykus, A. Sakalauskas, L. Kupčinskas, A. Lukoševičius

{"title":"Investigation of Non-Invasive Attributes for Classification of Patients with Portal Hypertension","authors":"Mindaugas Marozas, Romanas Zykus, A. Sakalauskas, L. Kupčinskas, A. Lukoševičius","doi":"10.1109/BIOMDLORE.2018.8467185","DOIUrl":"https://doi.org/10.1109/BIOMDLORE.2018.8467185","url":null,"abstract":"BACKGROUND: Portal hypertension (PHT) is the key indicator of evolving chronic liver diseases. Standard clinical diagnostic method is based on invasive and inconvenient procedure. OBJECTIVE: The main goal was to create an objective machine learning method for evaluating PHT by selecting of most informative attributes derived only from noninvasive investigations. METHOD: A proposed meta-algorithm selects five best performing standard classification algorithms by AUC parameter from five typical groups. The best performing noninvasive attributes were selected by testing three ranking methods: correlation, relief and relative frequency of occurrence (RFO). Invasively measured hepatic venous pressure gradient (HVPG) served as class attribute: HVPG < 10mmHg and HVPG $pmb{geq 10}$ mmHg. The missing values (MVs) in data, were imputed by using regression based Iterative Robust Model-Based Imputation (IRMI) algorithm. RESULTS: The number of selected most informative attributes was 4 out of total 24 by RFO method. The meta-algorithm resulted with AUC = 0.97 and classification accuracy of 90.22%. CONCLUSIONS: The RFO method allows ranking and selecting most informative attributes objectively. Meta-algorithm objectively outperforms other noninvasive methods and can be a good candidate to substitute invasive PHT evaluation methods because.","PeriodicalId":151729,"journal":{"name":"2018 International Conference BIOMDLORE","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114948912","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

Research on Hospital Information Systems Integration to National Electronic Health Record System 医院信息系统与国家电子病历系统集成的研究

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467200

Justas Trinkūnas, Erika Tuinylienė, R. Puronaitė

{"title":"Research on Hospital Information Systems Integration to National Electronic Health Record System","authors":"Justas Trinkūnas, Erika Tuinylienė, R. Puronaitė","doi":"10.1109/BIOMDLORE.2018.8467200","DOIUrl":"https://doi.org/10.1109/BIOMDLORE.2018.8467200","url":null,"abstract":"BACKGROUND: In the paper, we will provide detailed research on hospital information systems integration to national health record system. The main problem discussed in the paper is the complex integration process of EHR. Business processes are too complex and too much coupled. The result of it - medical doctors spent too much time for creating needed documents for the patients, they make too many mistakes because they are lost in the process and every interrupt in national health record system affects their work process. Finally, because of the many tightly integrated components, the system is not as reliable as expected. OBJECTIVE: The main goal of the paper is to describe effective business process-based architecture of hospital information system integration to national electronic health record system. METHODS: Scientific business process analysis of health care information systems were made and new EHR integration architecture were proposed and described. Number of daily statuses were collected from event logs recorded between September 1, 2017 and February 1, 2018. Data were divided into 2 week time intervals and number of daily statuses in time intervals were compared with the Kruskal-Wallis test. Data were presented as mean and 95% confidence intervals. A P value of <0.05 was considered statistically significant. RESULTS: The proposed EHR integration architecture was analysed detailed and statistical information was provided. After implementation of improved business processes mean number of daily successful statuses per 2 week increased from 80.9 (95% CI 53.6 - 108.2) to 193.5 (95% CI 129.3 - 257.7) for stationary epicrisis and from 551.4 (95% CI 333.8 - 769.1) to 1012.3 (95% CI 588.4 - 1436.2) for ambulatory description. CONCLUSIONS: The statistical analysis of the event logs showed that implementation of improved business processes influenced in increased successful number of stationary epicrisis and ambulatory description documents.","PeriodicalId":151729,"journal":{"name":"2018 International Conference BIOMDLORE","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123459657","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

Selected Factors Affecting Active Thermographic Measurement of Human Response to Cold Stress in RA Patient 影响RA患者对冷应激反应的主动热像测量的选定因素

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467195

A. Wasilewska, J. Pauk, S. Jeżewski, M. Banach, R. Dlugosz

{"title":"Selected Factors Affecting Active Thermographic Measurement of Human Response to Cold Stress in RA Patient","authors":"A. Wasilewska, J. Pauk, S. Jeżewski, M. Banach, R. Dlugosz","doi":"10.1109/BIOMDLORE.2018.8467195","DOIUrl":"https://doi.org/10.1109/BIOMDLORE.2018.8467195","url":null,"abstract":"Passive thermographic measurement is susceptible to multiple factors. However, there are not many evidences of how these factors impact the measurement of human hand skin temperature evolution after cold stress inducement, especially in patients with inflammatory lesions. The study aimed at the analysis of the variability factors in: heat source, environment conditions including material designed for placing hand, blood circulation, blood pressure and their effect on the hand infrared image of RA patients. Thermal image sequences were collected for 10 RA patients. The procedure consisted of hand immersion in ice-water for 5 seconds and 3-minute recording of temperature evolution for left and right hand, separately. Impact of the following factors was included in the analysis: heat source, material designed for placing hand, blood circulation. The plane, which is heated by the heat of the hands, emits radiation with similar intensity like the hand itself. During the process of hand warming, we observe gradual changes in the image of superficial veins. Blood vessels should be treated as an element of hand texture. The glow around the hand is a serious difficulty in the analysis. Development of dedicated algorithms is necessary.","PeriodicalId":151729,"journal":{"name":"2018 International Conference BIOMDLORE","volume":"1999 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125719200","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

Simple Human Walking Modelling 简单人体行走模型

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467219

A. Lukowska

引用次数: 0

Standalone Integrated Wheel Drive Module for Use in Electric Powered Wheelchair 用于电动轮椅的独立集成车轮驱动模块

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467215

P. Tomaszuk

引用次数: 0

Differentiation of Gait Using Principal Component Analysis and Application for Parkinson's Disease Monitoring 基于主成分分析的步态鉴别及其在帕金森病监测中的应用

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467197

Donatas Lukšys, D. Jatužis, Rũta Kaladytė-Lokorninienė, Ramunė Bunevičiūtė, A. Sawicki, J. Griškevičius

{"title":"Differentiation of Gait Using Principal Component Analysis and Application for Parkinson's Disease Monitoring","authors":"Donatas Lukšys, D. Jatužis, Rũta Kaladytė-Lokorninienė, Ramunė Bunevičiūtė, A. Sawicki, J. Griškevičius","doi":"10.1109/BIOMDLORE.2018.8467197","DOIUrl":"https://doi.org/10.1109/BIOMDLORE.2018.8467197","url":null,"abstract":"Parkinson's disease (PD) is the second most common neurodegenerative disease. The diagnosis of PD can be difficult, especially in its early stage since there are no existing specific biomarkers. Most biomechanical data characterizing human movement is shown as time series or temporal waveforms representing different joint measures. Principal component analysis (PCA) can be used as a tool to identify differences in gait between healthy persons and those diagnosed with PD. The purpose of this study is to compare hip and knee kinematics during walking in PD group and control (CO) group using PCA, and to identify the specific PCA variables that can be used for differentiating Parkinsonian gait from normal gait. The subjects were divided into two groups: PD group n = 15, control group n = 12. Each subject performed a gait task and kinematics of limbs was measured using nine degrees of freedom inertial measurement unit (IMU). PCA was performed on the angular velocity of right and left side hip and knee joints in the sagittal plane of the gait cycle. Different numbers of principal components (PC) are needed to describe important information from hip (PC - 3) and knee (PC - 4) joints in sagittal plane. Statistically significant differences were found between PD and CO groups: right hip PC3 (p=0.0026); left hip PC3 (p=0.0262); right knee PC3 (p=0.0286). The PCA applied in this paper identified differences in gait features between PD and CO groups. Identification of these differences between PD and CO groups could clarify PD progress.","PeriodicalId":151729,"journal":{"name":"2018 International Conference BIOMDLORE","volume":"384 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126731560","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

Design and Static Tests of an All-Terrain Suspension System for Electric Wheelchair 电动轮椅全地形悬架系统设计与静态试验

2018 International Conference BIOMDLORE Pub Date : 2018-06-01 DOI: 10.1109/BIOMDLORE.2018.8467186

Kazimierz Dzierżck, P. Rółkowski, A. Buczyłowski, I. Tylman, K. Kamienski, M. Rećko, M. Ostaszewski, Paweł Turycz

引用次数: 4