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Methods of Information in Medicine

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https://www.readbyqxmd.com/read/28612890/technology-in-rehabilitation-comparing-personalised-and-global-classification-methodologies-in-evaluating-the-squat-exercise-with-wearable-imus
#1
Martin A O'Reilly, Darragh Whelan, Tomás E Ward, Eamonn Delahunt, Brian Caulfield
BACKGROUND: The barbell squat is a popularly used lower limb rehabilitation exercise. It is also an integral exercise in injury risk screening protocols. To date athlete/patient technique has been assessed using expensive laboratory equipment or subjective clinical judgement; both of which are not without shortcomings. Inertial measurement units (IMUs) may offer a low cost solution for the objective evaluation of athlete/patient technique. However, it is not yet known if global classification techniques are effective in identifying naturally occurring, minor deviations in barbell squat technique...
June 14, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28590499/can-statistical-machine-learning-algorithms-help-for-classification-of-obstructive-sleep-apnea-severity-to-optimal-utilization-of-polysomnography-resources
#2
Selen Bozkurt, Asli Bostanci, Murat Turhan
OBJECTIVES: The goal of this study is to evaluate the results of machine learning methods for the classification of OSA severity of patients with suspected sleep disorder breathing as normal, mild, moderate and severe based on non-polysomnographic variables: 1) clinical data, 2) symptoms and 3) physical examination. METHODS: In order to produce classification models for OSA severity, five different machine learning methods (Bayesian network, Decision Tree, Random Forest, Neural Networks and Logistic Regression) were trained while relevant variables and their relationships were derived empirically from observed data...
June 7, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28590498/a-multi-way-multi-task-learning-approach-for-multinomial-logistic-regression-an-application-in-joint-prediction-of-appointment-miss-opportunities-across-multiple-clinics
#3
Adel Alaeddini, Seung Hee Hong
OBJECTIVES: Whether they have been engineered for it or not, most healthcare systems experience a variety of unexpected events such as appointment miss-opportunities that can have significant impact on their revenue, cost and resource utilization. In this paper, a multi-way multi-task learning model based on multinomial logistic regression is proposed to jointly predict the occurrence of different types of miss-opportunities at multiple clinics. METHODS: An extension of L1 / L2 regularization is proposed to enable transfer of information among various types of miss-opportunities as well as different clinics...
June 7, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28451691/tool-supported-interactive-correction-and-semantic-annotation-of-narrative-clinical-reports
#4
Karel Zvára, Marie Tomečková, Jan Peleška, Vojtěch Svátek, Jana Zvárová
OBJECTIVES: Our main objective is to design a method of, and supporting software for, interactive correction and semantic annotation of narrative clinical reports, which would allow for their easier and less erroneous processing outside their original context: first, by physicians unfamiliar with the original language (and possibly also the source specialty), and second, by tools requiring structured information, such as decision-support systems. Our additional goal is to gain insights into the process of narrative report creation, including the errors and ambiguities arising therein, and also into the process of report annotation by clinical terms...
April 28, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28451689/a-randomized-trial-comparing-classical-participatory-design-to-vandaid-an-interactive-crowdsourcing-platform-to-facilitate-user-centered-design
#5
Kevin R Dufendach, Sabine Koch, Kim M Unertl, Christoph U Lehmann
BACKGROUND: Early involvement of stakeholders in the design of medical software is particularly important due to the need to incorporate complex knowledge and actions associated with clinical work. Standard user-centered design methods include focus groups and participatory design sessions with individual stakeholders, which generally limit user involvement to a small number of individuals due to the significant time investments from designers and end users. OBJECTIVES: The goal of this project was to reduce the effort for end users to participate in co-design of a software user interface by developing an interactive web-based crowdsourcing platform...
April 28, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28451688/boosting-quality-registries-with-clinical-decision-support-functionality-user-acceptance-of-a-prototype-applied-to-hiv-tb-drug%C3%A2-therapy
#6
Carolina Wannheden, Helena Hvitfeldt-Forsberg, Elena Eftimovska, Katarina Westling, Johan Ellenius
BACKGROUND: The care of HIV-related tuberculosis (HIV/TB) is complex and challenging. Clinical decision support (CDS) systems can contribute to improve quality of care, but more knowledge is needed on factors determining user acceptance of CDS. OBJECTIVES: To analyze physicians' and nurses' acceptance of a CDS prototype for evidence-based drug therapy recommendations for HIV/TB treatment. METHODS: Physicians and nurses were involved in designing a CDS prototype intended for future integration with the Swedish national HIV quality registry...
April 28, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28451687/reconstruction-of-12-lead-ecg-using-a-single-patch-device
#7
Hong J Lee, Dong S Lee, Hyun B Kwon, Do Y Kim, Kwang S Park
OBJECTIVES: The aim of this study is to develop an optimal electrode system in the form of a small and wearable single-patch ECG monitoring device that allows for the faithful reconstruction of the standard 12-lead ECG. METHODS: The optimized universal electrode positions on the chest and the personalized transformation matrix were determined using linear regression as well as artificial neural networks (ANNs). A total of 24 combinations of 4 neighboring electrodes on 35 channels were evaluated on 19 subjects...
April 28, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28451686/data-requirements-for-the-correct-identification-of-medication-errors-and-adverse-drug-events-in-patients-presenting-at-an-emergency-department
#8
Bettina Plank-Kiegele, Thomas Bürkle, Fabian Müller, Andrius Patapovas, Anja Sonst, Barbara Pfistermeister, Harald Dormann, Renke Maas
BACKGROUND: Adverse drug events (ADE) involving or not involving medication errors (ME) are common, but frequently remain undetected as such. Presently, the majority of available clinical decision support systems (CDSS) relies mostly on coded medication data for the generation of drug alerts. It was the aim of our study to identify the key types of data required for the adequate detection and classification of adverse drug events (ADE) and medication errors (ME) in patients presenting at an emergency department (ED)...
April 28, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28361159/evaluation-of-adjusted-and-unadjusted-indirect-comparison-methods-in-benefit-assessment-a-simulation-study-for-time-to-event-endpoints
#9
Sarah Kühnast, Julia Schiffner-Rohe, Jörg Rahnenführer, Friedhelm Leverkus
BACKGROUND: With the Act on the Reform of the Market for Medicinal Products (AMNOG) in Germany, pharmaceutical manufacturers are obliged to submit a dossier demonstrating added benefit of a new drug compared to an appropriate comparator. Underlying evidence was planned for registration purposes and therefore often does not meet the appropriate comparator as defined by the Federal Joint Committee (G-BA). For this reason AMNOG allows indirect comparisons to assess the extent of added benefit...
March 31, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28361158/a-machine-learning-based-method-for-question-type-classification-in-biomedical-question-answering
#10
Mourad Sarrouti, Said Ouatik El Alaoui
BACKGROUND AND OBJECTIVE: Biomedical question type classification is one of the important components of an automatic biomedical question answering system. The performance of the latter depends directly on the performance of its biomedical question type classification system, which consists of assigning a category to each question in order to determine the appropriate answer extraction algorithm. This study aims to automatically classify biomedical questions into one of the four categories: (1) yes/no, (2) factoid, (3) list, and (4) summary...
March 31, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28361157/integration-of-hospital-information-and-clinical-decision-support-systems-to-enable-the-reuse-of-electronic-health-record-data
#11
Georgy Kopanitsa
BACKGROUND: The efficiency and acceptance of clinical decision support systems (CDSS) can increase if they reuse medical data captured during health care delivery. High heterogeneity of the existing legacy data formats has become the main barrier for the reuse of data. Thus, we need to apply data modeling mechanisms that provide standardization, transformation, accumulation and querying medical data to allow its reuse. OBJECTIVES: In this paper, we focus on the interoperability issues of the hospital information systems (HIS) and CDSS data integration...
March 31, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28361156/mapping-acute-coronary-syndrome-registries-to-snomed-ct-a-comparative-study-between-malaysia-and-sweden
#12
Ismat Mohd Sulaiman, Daniel Karlsson, Sabine Koch
BACKGROUND: Malaysia and Sweden have mapped their acute coronary syndrome registries using SNOMED CT. Since similar-purposed patient registries can be expected to collect similar data, these data should be mapped to the same SNOMED CT codes despite the different languages used. Previous studies have however shown variations in mapping between different mappers but the reasons behind these variations and the influence of different mapping approaches are still unknown. OBJECTIVES: To analyze similar-purposed registries and their registry-to-SNOMED CT maps, using two national acute coronary syndrome registries as examples, to understand the reasons for mapping similarities and differences as well as their implications...
March 31, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28474729/utilizing-electronic-medical-records-to-discover-changing-trends-of-medical-behaviors-over-time
#13
Liangying Yin, Zhengxing Huang, Wei Dong, Chunhua He, Huilong Duan
OBJECTIVES: Medical behaviors are playing significant roles in the delivery of high quality and cost-effective health services. Timely discovery of changing frequencies of medical behaviors is beneficial for the improvement of health services. The main objective of this work is to discover the changing trends of medical behaviors over time. METHODS: This study proposes a two-steps approach to detect essential changing patterns of medical behaviors from Electronic Medical Records (EMRs)...
May 5, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28244547/the-made-reference-information-model-for-interoperable-pervasive-telemedicine-systems
#14
Nick L S Fung, Valerie M Jones, Hermie J Hermens
OBJECTIVES: The main objective is to develop and validate a reference information model (RIM) to support semantic interoperability of pervasive telemedicine systems. The RIM is one component within a larger, computer-interpretable "MADE language" developed by the authors in the context of the MobiGuide project. To validate our RIM, we applied it to a clinical guideline for patients with gestational diabetes mellitus (GDM). METHODS: The RIM is derived from a generic data flow model of disease management which comprises a network of four types of concurrent processes: Monitoring (M), Analysis (A), Decision (D) and Effectuation (E)...
March 23, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28244545/the-effect-of-balance-training-on-postural-control-in-patients-with-parkinson-s-disease-using-a-virtual-rehabilitation-system
#15
Sergio Albiol-Pérez, José-Antonio Gil-Gómez, María-Teresa Muñoz-Tomás, Hermenegildo Gil-Gómez, Raquel Vial-Escolano, José-Antonio Lozano-Quilis
OBJECTIVES: Parkinson's disease (PD) is a progressive neurodegenerative disorder characterized by motor clinical alterations among others. Postural problems have serious consequences for patients, not only limiting their daily life but also increasing some risks, like the risk of fall. Inadequate postural control and postural instability is a major problem in PD patients. A Virtual Motor Rehabilitation System (VMR) has been tested in patients with PD in the intervention period. Our purpose was to analyze the evolution of the spatial postural control during the intervention period, to see if there are any changes caused precisely by this intervention...
March 23, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28244544/technologies-solutions-schemes-for-patients-rehabilitation-methodologies-models-and-algorithms
#16
Habib M Fardoun, Abdulfattah S Mashat
OBJECTIVE: The present editorial is part of the focus theme of Methods of Information in Medicine entitled "Technologies solutions schemes for Patients' Rehabilitation: Methodologies, Models and Algorithms". The focus theme aims to present nowadays most innovative solutions to improve patients' rehabilitation by applying and using sophisticated and pioneering Information and Communication Technologies (ICT) and human factors. METHODS: The focus theme explores the different existent research works and tools used, applied and developed for incapable people in terms of rehabilitation and health care, as to look into the extent methodologies, models and algorithms by means of ICT in this process...
March 23, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28220928/malt-combined-motor-and-language-therapy-tool-for-brain-injury-patients-using-kinect
#17
Maitreyee Wairagkar, Rachel McCrindle, Holly Robson, Lotte Meteyard, Malcom Sperrin, Andy Smith, Moyra Pugh
BACKGROUND: The functional connectivity and structural proximity of elements of the language and motor systems result in frequent co-morbidity post brain injury. Although rehabilitation services are becoming increasingly multidisciplinary and "integrated", treatment for language and motor functions often occurs in isolation. Thus, behavioural therapies which promote neural reorganisation do not reflect the high intersystem connectivity of the neurologically intact brain. As such, there is a pressing need for rehabilitation tools which better reflect and target the impaired cognitive networks...
March 23, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28220927/evaluation-results-of-an-ontology-based-design-model-of-virtual-environments-for-upper-limb-motor-rehabilitation-of-stroke-patients
#18
Cristina Ramírez-Fernández, Alberto L Morán, Eloísa García-Canseco, Jorge R Gómez-Montalvo
OBJECTIVES: 1) To enhance the content of an ontology for designing virtual environments (VEs) for upper limb motor rehabilitation of stroke patients according to the suggestions and comments of rehabilitation specialists and software developers, 2) to characterize the perceived importance level of the ontology, 3) to determine the perceived usefulness of the ontology, and 4) to identify the safety characteristics of the ontology for VEs design according to the rehabilitation specialists...
March 23, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28116417/an-immersive-virtual-reality-platform-to-enhance-walking-ability-of-children-with-acquired-brain-injuries
#19
Emilia Biffi, Elena Beretta, Ambra Cesareo, Cristina Maghini, Anna C Turconi, Gianluigi Reni, Sandra Strazzer
BACKGROUND: Acquired brain injury (ABI) may result in lifelong impairment of physical, cognitive, and psychosocial functions. Several rehabilitative treatments are often needed to support walking recovery, thus participants' engagement becomes a crucial aspect, especially when patients are children. In the last few years, traditional physiotherapy (PT) has been flanked by innovative technologies for rehabilitation in the fields of robotics and Virtual Reality (VR). Preliminary results have shown interesting perspectives in the use of a VR system, the GRAIL (Gait Real-time Analysis Interactive Lab), in improving walking abilities in a small group of children with ABI, although further insights are needed about its use as rehabilitative tool in the pediatric population...
March 23, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28116415/can-3d-gamified-simulations-be-valid-vocational-training-tools-for-persons-with-intellectual-disability-an-experiment-based-on-a-real-life-situation
#20
Ariel von Barnekow, Núria Bonet-Codina, Dani Tost
OBJECTIVE: To investigate if 3D gamified simulations can be valid vocational training tools for persons with intellectual disability. METHODS: A 3D gamified simulation composed by a set of training tasks for cleaning in hostelry was developed in collaboration with professionals of a real hostel and pedagogues of a special needs school. The learning objectives focus on the acquisition of vocabulary skills, work procedures, social abilities and risk prevention. Several accessibility features were developed to make the tasks easy to do from a technological point-of-view...
March 23, 2017: Methods of Information in Medicine
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