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https://www.readbyqxmd.com/read/28227474/automated-abo-rh-d-blood-type-detection-using-smartphone-imaging-for-point-of-care-medical-diagnostics
#1
Neha Srivathsa, Dhananjaya Dendukuri, Neha Srivathsa, Dhananjaya Dendukuri, Neha Srivathsa, Dhananjaya Dendukuri
We present a novel methodology for automated ABO Rh-D blood typing using simple morphological image processing algorithms to be used in conjunction with a fabric strip based rapid diagnostic test. Images of the fabric strip post testing are acquired using low cost mobile phones and the proposed algorithm proceeds to automatically identify the blood type by processing the images using steps comprising of noise reduction, range filtering and empirically derived heuristics. The ultimate goal is to provide a simple mobile phone application to enable automated, rapid and accessible blood type detection at the point-of-care...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227301/an-adapted-double-threshold-protocol-for-spastic-muscles
#2
Pedro M Vieira, Joao F Ferreira, Pedro R Gomes, Carlos S Lima, Pedro M Vieira, Joao F Ferreira, Pedro R Gomes, Carlos S Lima, Pedro M Vieira, Joao F Ferreira, Pedro R Gomes, Carlos S Lima
The onset of muscle contraction has been an important element in the understanding of human motor control system as well as in the development of medical devices. This task is problematic in the study of spasticity using surface Electromyography (sEMG). In fact, spasticity is characterized by involuntary muscle contractions that can be seen as both, a non-stationary background if they are weak or a severe non-stationary EMG signal if they are strong. In other hand, these sEMG signals present a very low signal to noise ratio, beyond the added noise that contaminates this signal...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28105927/candidate-snp-markers-of-aggressiveness-related-complications-and-comorbidities-of-genetic-diseases-are-predicted-by-a-significant-change-in-the-affinity-of-tata-binding-protein-for-human-gene-promoters
#3
Irina V Chadaeva, Mikhail P Ponomarenko, Dmitry A Rasskazov, Ekaterina B Sharypova, Elena V Kashina, Marina Yu Matveeva, Tatjana V Arshinova, Petr M Ponomarenko, Olga V Arkova, Natalia P Bondar, Ludmila K Savinkova, Nikolay A Kolchanov
BACKGROUND: Aggressiveness in humans is a hereditary behavioral trait that mobilizes all systems of the body-first of all, the nervous and endocrine systems, and then the respiratory, vascular, muscular, and others-e.g., for the defense of oneself, children, family, shelter, territory, and other possessions as well as personal interests. The level of aggressiveness of a person determines many other characteristics of quality of life and lifespan, acting as a stress factor. Aggressive behavior depends on many parameters such as age, gender, diseases and treatment, diet, and environmental conditions...
December 28, 2016: BMC Genomics
https://www.readbyqxmd.com/read/28089814/prospects-and-problems-for-standardizing-model-validation-in-systems-biology
#4
REVIEW
Fridolin Gross, Miles MacLeod
There are currently no widely shared criteria by which to assess the validity of computational models in systems biology. Here we discuss the feasibility and desirability of implementing validation standards for modeling. Having such a standard would facilitate journal review, interdisciplinary collaboration, model exchange, and be especially relevant for applications close to medical practice. However, even though the production of predictively valid models is considered a central goal, in practice modeling in systems biology employs a variety of model structures and model-building practices...
January 12, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28088527/navigation-in-the-electronic-health-record-a-review-of-the-safety-and-usability-literature
#5
REVIEW
Lisette C Roman, Jessica S Ancker, Stephen B Johnson, Yalini Senathirajah
OBJECTIVE: Inefficient navigation in electronic health records has been shown to increase users' cognitive load, which may increase potential for errors, reduce efficiency, and increase fatigue. However, navigation has received insufficient recognition and attention in the electronic health record (EHR) literature as an independent construct and contributor to overall usability. Our aims in this literature review were to (1) assess the prevalence of navigation-related topics within the EHR usability and safety research literature, (2) categorize types of navigation actions within the EHR, (3) capture relationships between these navigation actions and usability principles, and (4) collect terms and concepts related to EHR navigation...
January 11, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28048700/tu-d-bra-00-treatment-planning-system-commissioning-and-qa
#6
Greg Salomons
INTRODUCTION: Treatment planning systems (TPS) are a cornerstone of modern radiation therapy. Errors in their commissioning or use can have a devastating impact on many patients. To support safe and high quality care, medical physicists must conduct efficient and proper commissioning, good clinical integration, and ongoing quality assurance (QA) of the TPS. AAPM Task Group 53 and related publications have served as seminal benchmarks for TPS commissioning and QA over the past two decades...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048038/tu-d-bra-01-tps-commissioning-and-qa-planning-and-monitoring
#7
G Salomons
INTRODUCTION: Treatment planning systems (TPS) are a cornerstone of modern radiation therapy. Errors in their commissioning or use can have a devastating impact on many patients. To support safe and high quality care, medical physicists must conduct efficient and proper commissioning, good clinical integration, and ongoing quality assurance (QA) of the TPS. AAPM Task Group 53 and related publications have served as seminal benchmarks for TPS commissioning and QA over the past two decades...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047536/mo-ab-bra-01-a-global-level-set-based-formulation-for-volumetric-modulated-arc-therapy
#8
D Nguyen, Q Lyu, D Ruan, D O'Connor, D Low, K Sheng
PURPOSE: The current clinical Volumetric Modulated Arc Therapy (VMAT) optimization is formulated as a non-convex problem and various greedy heuristics have been employed for an empirical solution, jeopardizing plan consistency and quality. We introduce a novel global direct aperture optimization method for VMAT to overcome these limitations. METHODS: The global VMAT (gVMAT) planning was formulated as an optimization problem with an L2-norm fidelity term and an anisotropic total variation term...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047503/th-ef-brb-05-4pi-non-coplanar-imrt-beam-angle-selection-by-convex-optimization-with-group-sparsity-penalty
#9
D O'Connor, Y Voronenko, D Nguyen, W Yin, K Sheng
PURPOSE: Integrated beam orientation and fluence map optimization is expected to be the foundation of robust automated planning but existing heuristic methods do not promise global optimality. We aim to develop a new method for beam angle selection in 4π non-coplanar IMRT systems based on solving (globally) a single convex optimization problem, and to demonstrate the effectiveness of the method by comparison with a state of the art column generation method for 4π beam angle selection...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047373/tu-d-bra-02-recommendations-of-mppg-5-and-practical-implementation-strategies
#10
J Smilowitz
INTRODUCTION: Treatment planning systems (TPS) are a cornerstone of modern radiation therapy. Errors in their commissioning or use can have a devastating impact on many patients. To support safe and high quality care, medical physicists must conduct efficient and proper commissioning, good clinical integration, and ongoing quality assurance (QA) of the TPS. AAPM Task Group 53 and related publications have served as seminal benchmarks for TPS commissioning and QA over the past two decades...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046707/tu-d-bra-03-tps-commissioning-and-qa-incorporating-the-entire-planning-process
#11
S Mutic
INTRODUCTION: Treatment planning systems (TPS) are a cornerstone of modern radiation therapy. Errors in their commissioning or use can have a devastating impact on many patients. To support safe and high quality care, medical physicists must conduct efficient and proper commissioning, good clinical integration, and ongoing quality assurance (QA) of the TPS. AAPM Task Group 53 and related publications have served as seminal benchmarks for TPS commissioning and QA over the past two decades...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28025915/field-station-as-stage-re-enacting-scientific-work-and-life-in-amani-tanzania
#12
P Wenzel Geissler, Ann H Kelly
Located high in Tanzania's Usambara Mountains, Amani Hill Station has been a site of progressive scientific endeavours for over a century, pushing the boundaries of botanical, zoological and medical knowledge, and providing expertise for imperial expansion, colonial welfare, national progress and international development efforts. The station's heyday was from the 1950s to the 1970s, a period of global disease eradication campaigns and the 'Africanization' of science. Today, Amani lies in a state of suspended motion...
December 2016: Social Studies of Science
https://www.readbyqxmd.com/read/27981655/the-interplay-of-text-meaning-and-practice-methodological-considerations-on-discourse-analysis-in-medical-education
#13
Dan Kärreman, Charlotta Levay
CONTEXT: The study of discourses (i.e. verbal interactions or written accounts) is increasingly used in social sciences to gain insight into issues connected to discourse, such as meanings, behaviours and actions. This paper situates discourse analysis in medical education, based on a framework developed in organisational discourse analysis and widely deployed in other social science disciplines. OBJECTIVES: This paper aims to examine the constructs of 'discourse' and 'discourse analysis', and how various understandings of discourse and discourse analysis may play out in empirical and analytical settings, with a particular focus on the field of medical education...
January 2017: Medical Education
https://www.readbyqxmd.com/read/27913363/detecting-breathing-and-snoring-episodes-using-a-wireless-tracheal-sensor-a-feasibility-study
#14
Marcel Mlynczak, Ewa Migacz, Maciej Migacz, Wojciech Kukwa
OBJECTIVE: Sleep-disordered breathing is both a clinical and a social problem. This implies the need for convenient solutions to simplify screening and diagnosis. The aim of the study was to investigate the sensitivity and specificity of a novel wireless system in detecting breathing and snoring episodes during sleep. METHODS: A wireless acoustic sensor was elaborated and implemented. Segmentation (based on spectral thresholding and heuristics) and classification of all breathing episodes during recording were implemented through a mobile application...
November 29, 2016: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/27870999/sparse-bayesian-registration-of-medical-images-for-self-tuning-of-parameters-and-spatially-adaptive-parametrization-of-displacements
#15
Loïc Le Folgoc, Hervé Delingette, Antonio Criminisi, Nicholas Ayache
We extend Bayesian models of non-rigid image registration to allow not only for the automatic determination of registration parameters (such as the trade-off between image similarity and regularization functionals), but also for a data-driven, multiscale, spatially adaptive parametrization of deformations. Adaptive parametrizations have been used with success to promote both the regularity and accuracy of registration schemes, but so far on non-probabilistic grounds - either as part of multiscale heuristics, or on the basis of sparse optimization...
November 9, 2016: Medical Image Analysis
https://www.readbyqxmd.com/read/27859318/the-optimized-summed-scored-attributes-method-for-the-classification-of-u-s-blacks-and-whites-a-validation-study
#16
Michael W Kenyhercz, Alexandra R Klales, Christopher W Rainwater, Sara M Fredette
Recently, Hefner and Ousley (2014) introduced the optimized summed scored attributes (OSSA) method that maximizes between-group differences in U.S. black and white populations by dichotomizing six cranial morphoscopic trait scores. This study tests OSSA using an independent skeletal sample (Hamann-Todd, n = 208) and positively identified forensic cases (Mercyhurst University, n = 28, and New York City Office of Chief Medical Examiner, n = 38). An evaluation of trait frequencies suggests shifting the heuristically selected sectioning point separating U...
January 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/27845574/-we-smoke-the-same-pipe-religion-and-community-home-based-care-for-plwh-in-rural-swaziland
#17
Robin Root, Arnau Van Wyngaard, Alan Whiteside
We draw on a study of a church-run community home-based care organization in Swaziland to explore how individuals living with HIV perceived caregivers' impact on well-being. Our primary concern was to examine how religion, as a heuristic practice of Christian-based caregiving, was felt to be consequential in a direly underserved region. Part of a larger medical anthropological project, we conducted semi-structured interviews with 79 community home-based care clients, of whom half (53%) said they would have died, some from suicide, without its services...
November 15, 2016: Medical Anthropology
https://www.readbyqxmd.com/read/27825156/psychopathological-course-typology-in-schizophrenia-spectrum-disorders-a-heuristic-approach-in-a-sample-of-100-patients
#18
Moritz E Wigand, Fabian U Lang, Thomas Becker, Thomas G Schulze, Werner Strik, Markus Jäger
BACKGROUND: Despite several previous attempts at subtyping schizophrenia, a typology that reflects neurobiological knowledge and reliably predicts course and outcome is lacking. We applied the system-specific concept of the Bern Psychopathology Scale (BPS) to generate a course typology based on three domains: language, affectivity, and motor behaviour. SAMPLING AND METHODS: A cohort of 100 patients with schizophrenia or schizoaffective disorders according to DSM-IV criteria underwent psychopathological assessment, and all their available medical records were retrospectively analysed on the basis of the BPS...
2016: Psychopathology
https://www.readbyqxmd.com/read/27687292/decision-making-in-rectal-and-colorectal-cancer-systematic-review-and-qualitative-analysis-of-surgeons-preferences
#19
Guillaume Broc, Kamel Gana, Quentin Denost, Bruno Quintard
Surgeons are experiencing difficulties implementing recommendations not only owing to incomplete, confusing or conflicting information but also to the increasing involvement of patients in decisions relating to their health. This study sought to establish which common factors including heuristic factors guide surgeons' decision-making in colon and rectal cancers. We conducted a systematic literature review of surgeons' decision-making factors related to colon and rectal cancer treatment. Eleven of 349 identified publications were eligible for data analyses...
August 16, 2016: Psychology, Health & Medicine
https://www.readbyqxmd.com/read/27659604/automatic-classification-of-registered-clinical-trials-towards-the-global-burden-of-diseases-taxonomy-of-diseases-and-injuries
#20
Ignacio Atal, Jean-David Zeitoun, Aurélie Névéol, Philippe Ravaud, Raphaël Porcher, Ludovic Trinquart
BACKGROUND: Clinical trial registries may allow for producing a global mapping of health research. However, health conditions are not described with standardized taxonomies in registries. Previous work analyzed clinical trial registries to improve the retrieval of relevant clinical trials for patients. However, no previous work has classified clinical trials across diseases using a standardized taxonomy allowing a comparison between global health research and global burden across diseases...
2016: BMC Bioinformatics
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