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https://www.readbyqxmd.com/read/29793072/leveraging-semantic-labels-for-multi-level-abstraction-in-medical-process-mining-and-trace-comparison
#1
Giorgio Leonardi, Manuel Striani, Silvana Quaglini, Anna Cavallini, Stefania Montani
Many medical information systems record data about the executed process instances in the form of an event log. In this paper, we present a framework, able to convert actions in the event log into higher level concepts, at different levels of abstraction, on the basis of domain knowledge. Abstracted traces are then provided as an input to trace comparison and semantic process discovery. Our abstraction mechanism is able to manage non trivial situations, such as interleaved actions or delays between two actions that abstract to the same concept...
May 21, 2018: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29792882/utilization-of-automated-performance-metrics-to-measure-surgeon-performance-during-robotic-vesicourethral-anastomosis-and-methodical-development-of-a-training-tutorial
#2
Jian Chen, Paul J Oh, Nathan Cheng, Ankeet Shah, Jeremy Montez, Anthony Jarc, Liheng Guo, Inderbir S Gill, Andrew J Hung
PURPOSE: To develop and validate automated performance metrics (APMs) to measure surgeon performance of vesicourethral anastomosis (VUA) during robotic-assisted radical prostatectomy (RRP). Furthermore, we seek to methodically develop a standardized training tutorial for the robotic VUA. MATERIALS AND METHODS: APMs (motion tracking and system events data) and synchronized surgical video were captured during the RRP. Non-automated performance metrics (NAPMs) were manually annotated by video review...
May 21, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29792750/metrics-to-evaluate-quality-of-glycemic-control-comparison-of-time-in-target-hypoglycemic-and-hyperglycemic-ranges-with-risk-indices
#3
David Rodbard
OBJECTIVE: We sought to cross validate several metrics for quality of glycemic control, hypoglycemia, and hyperglycemia. RESEARCH DESIGN AND METHODS: We analyzed the mathematical properties of several metrics for overall glycemic control, and for hypo- and hyperglycemia, to evaluate their similarities, differences, and interrelationships. We used linear regression to describe interrelationships and examined correlations between metrics within three conceptual groups...
May 2018: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/29792737/assessing-the-recall-rate-for-screening-mammography-comparing-the-medicare-hospital-compare-dataset-with-the-national-mammography-database
#4
Cindy S Lee, Carol Parise, Judy Burleson, David Seidenwurm
OBJECTIVE: High-quality screening mammography has been shown to substantially reduce mortality from breast cancer. Recall rate is a principal performance metric for screening mammography because it directly relates to the rate of false-positive examinations. This study aims to compare the recall rate derived using two sources-the claims-based Hospital Compare (HC) dataset from the Centers for Medicare & Medicaid Services versus the National Mammography Database (NMD) from the American College of Radiology-to understand the implications in pay-for-performance and quality improvement activities...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792555/vaccine-hesitancy-among-caregivers-and-association-with-childhood-vaccination-timeliness-in-addis-ababa-ethiopia
#5
Nina B Masters, Yemesrach A Tefera, Abram L Wagner, Matthew L Boulton
INTRODUCTION: Vaccines are vital to reducing childhood mortality, and prevent an estimated 2 to 3 million deaths annually which disproportionately occur in the developing world. Overall vaccine coverage is typically used as a metric to evaluate the adequacy of vaccine program performance, though it does not account for untimely administration, which may unnecessarily prolong children's susceptibility to disease. This study explored a hypothesized positive association between increasing vaccine hesitancy and untimeliness of immunizations administered under the Expanded Program on Immunization (EPI) in Addis Ababa, Ethiopia...
May 24, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29792514/a-flow-procedure-for-linearization-of-genome-sequence-graphs
#6
David Haussler, Maciej Smuga-Otto, Jordan M Eizenga, Benedict Paten, Adam M Novak, Sergei Nikitin, Maria Zueva, Dmitrii Miagkov
Efforts to incorporate human genetic variation into the reference human genome have converged on the idea of a graph representation of genetic variation within a species, a genome sequence graph. A sequence graph represents a set of individual haploid reference genomes as paths in a single graph. When that set of reference genomes is sufficiently diverse, the sequence graph implicitly contains all frequent human genetic variations, including translocations, inversions, deletions, and insertions. In representing a set of genomes as a sequence graph, one encounters certain challenges...
May 24, 2018: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
https://www.readbyqxmd.com/read/29792285/associations-between-trunk-postural-control-in-walking-and-unstable-sitting-at-various-levels-of-task-demand
#7
Julian C Acasio, Courtney M Butowicz, Pawel R Golyski, Maury A Nussbaum, Brad D Hendershot
Trunk postural control (TPC) has been investigated in several populations and tasks. Previous work observed targeted training of TPC via isolated trunk control tasks may improve performance in other activities (e.g., walking). However, the nature of this relationship remains unknown. We therefore investigated the relationship between TPC, at both the global (i.e., response to finite perturbations) and local (i.e., resistance to continuous perturbations) levels, during walking and unstable sitting, both at varying levels of task demand...
May 21, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29792208/automated-chest-screening-based-on-a-hybrid-model-of-transfer-learning-and-convolutional-sparse-denoising-autoencoder
#8
Changmiao Wang, Ahmed Elazab, Fucang Jia, Jianhuang Wu, Qingmao Hu
OBJECTIVE: In this paper, we aim to investigate the effect of computer-aided triage system, which is implemented for the health checkup of lung lesions involving tens of thousands of chest X-rays (CXRs) that are required for diagnosis. Therefore, high accuracy of diagnosis by an automated system can reduce the radiologist's workload on scrutinizing the medical images. METHOD: We present a deep learning model in order to efficiently detect abnormal levels or identify normal levels during mass chest screening so as to obtain the probability confidence of the CXRs...
May 23, 2018: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29792189/a-cross-sectional-ecological-analysis-of-international-and-sub-national-health-inequalities-in-commercial-geospatial-resource-availability
#9
Winfred Dotse-Gborgbortsi, Nicola Wardrop, Ademola Adewole, Mair L H Thomas, Jim Wright
BACKGROUND: Commercial geospatial data resources are frequently used to understand healthcare utilisation. Although there is widespread evidence of a digital divide for other digital resources and infra-structure, it is unclear how commercial geospatial data resources are distributed relative to health need. METHODS: To examine the distribution of commercial geospatial data resources relative to health needs, we assembled coverage and quality metrics for commercial geocoding, neighbourhood characterisation, and travel time calculation resources for 183 countries...
May 23, 2018: International Journal of Health Geographics
https://www.readbyqxmd.com/read/29792088/experimental-evaluation-of-ontology-based-hiv-aids-frequently-asked-question-retrieval-system
#10
Yirsaw Ayalew, Barbara Moeng, Gontlafetse Mosweunyane
This study presents the results of experimental evaluations of an ontology-based frequently asked question retrieval system in the domain of HIV and AIDS. The main purpose of the system is to provide answers to questions on HIV/AIDS using ontology. To evaluate the effectiveness of the frequently asked question retrieval system, we conducted two experiments. The first experiment focused on the evaluation of the quality of the ontology we developed using the OQuaRE evaluation framework which is based on software quality metrics and metrics designed for ontology quality evaluation...
May 1, 2018: Health Informatics Journal
https://www.readbyqxmd.com/read/29791867/longitudinal-assessment-of-chemotherapy-induced-changes-in-brain-and-cognitive-functioning-a-systematic-review
#11
REVIEW
Mingmei Li, Karen Caeyenberghs
In addition to the burden of a life-threatening diagnosis, cancer patients are struggling with adverse side-effects from cancer treatment. Chemotherapy has been linked to an array of cognitive impairments and alterations in brain structure and function ("chemobrain"). In this review, we summarized the existing evidence that evaluate the changes in cognitive functioning and brain with chemotherapy, as assessed using structural and functional MRI-based techniques in a longitudinal design. This review followed the latest PRISMA guidelines using Embase, Medline, PsychINFO, Scopus, and Web of Science databases with date restrictions from 2012-2017...
May 20, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29791708/d3-extended-mesenterectomy-in-right-colectomy-for-cancer-a-cadaver-simulation-model
#12
Karen You, Mahir Gachabayov, Jens Marius Nesgaard, Jela Bandovic, Dejan Ignjatovic, Arne Bakka, Roberto Bergamaschi
BACKGROUND: D3 extended mesenterectomy (D3EM) for right colon cancer has received increased attention owing to suggested improvement of oncological outcomes. The aim of this study was to evaluate the proficiency-based progression of content-valid metrics in a cadaveric model for right colectomy with D3EM. MATERIALS AND METHODS: Three expert surgeons were enrolled. Surgeon one performed the procedure robotically and surgeons two and three performed open D3EM. Proficiency-based progression was recorded for eight content-valid outcomes...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791699/a-comparative-effectiveness-study-for-non-operative-treatment-methods-for-knee-osteoarthritis
#13
Frank R Kolisek, Charles Jaggard, Anton Khlopas, Assem A Sultan, Nipun Sodhi, Michael A Mont
A number of non-operative treatment options are commonly prescribed for patients presenting with degenerative osteoarthritis of the knee, where surgery is not yet recommended. However, there is a paucity of studies evaluating the comparative effectiveness of these treatment options to best inform both patients and providers. This study examined the comparative effectiveness of a home exercise program versus bracing or a combination of the two (brace-only, exercise-only, and brace and exercise cohorts) on the following: 1) objective functional measures (quadriceps muscle strength, Self-Paced Walk Test [SPWT], and Timed "Up & Go" [TUG] Test); 2) subjective functional measures (Lower Extremity Function Scale [LEFS] and Health Survey [VR-12] outcomes); 3) pain using Visual Analog Scale [VAS-10]; 4) patient metrics (patient treatment preference, perceptions, and compliance); and 5) progression to total knee arthroplasty (TKA) over a 12-week period...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791468/do-altmetrics-correlate-with-the-quality-of-papers-a-large-scale-empirical-study-based-on-f1000prime-data
#14
Lutz Bornmann, Robin Haunschild
In this study, we address the question whether (and to what extent, respectively) altmetrics are related to the scientific quality of papers (as measured by peer assessments). Only a few studies have previously investigated the relationship between altmetrics and assessments by peers. In the first step, we analyse the underlying dimensions of measurement for traditional metrics (citation counts) and altmetrics-by using principal component analysis (PCA) and factor analysis (FA). In the second step, we test the relationship between the dimensions and quality of papers (as measured by the post-publication peer-review system of F1000Prime assessments)-using regression analysis...
2018: PloS One
https://www.readbyqxmd.com/read/29791349/polarimetric-learning-a-siamese-approach-to-learning-distance-metrics-of-algal-mueller-matrix-images
#15
Xianpeng Li, Ran Liao, Hui Ma, Priscilla T Y Leung, Meng Yan
Polarimetric measurements are becoming increasingly accurate and fast to perform in modern applications. However, analysis on the polarimetric data usually suffers from its high-dimensional nature spatially, temporally, or spectrally. This paper associates polarimetric techniques with metric learning algorithms, namely, polarimetric learning, by introducing a distance metric learning method called Siamese network that aims to learn good distance metrics of algal Mueller matrix images in low-dimensional feature spaces...
May 10, 2018: Applied Optics
https://www.readbyqxmd.com/read/29791084/the-hospital-readmissions-reduction-program-learning-from-failure-of-a-healthcare-policy
#16
REVIEW
Ankur Gupta, Gregg C Fonarow
Heart failure is the leading cause of readmissions in patients aged ≥65 years with high associated societal and economic costs. The utilization metric of 30-day risk standardized readmission rates (RSRRs) has therefore become a target to reduce healthcare costs. In this review, we discuss in detail the implementation, effectiveness, and unintended consequences of the Hospital Readmissions Reduction Program (HRRP)-the major healthcare policy approach in the U.S. to reduce readmissions by financially penalizing hospitals with higher than average 30-day RSRRs...
May 23, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29790610/highly-luminescent-dual-mode-polymeric-nanofibers-based-flexible-mat-for-white-security-paper-and-encrypted-nanotaggants-applications
#17
Bipin Kumar Gupta, Amit Kumar Gangwar, Ashish Gupta, Garima Kedawat, Pawan Kumar, Bhanu Pratap Singh, Nidhi Singh, Avanish K Srivastava, Sanjay R Dhakate
Recently, increasing trend of counterfeiting of the important data, currency, stamp papers, branded products etc. has become a major security threat which could lead to a serious damage to global economy. Consequences of these damages are enforcing to researcher for developing new high-end security features to address its full proof solutions. Herein, we report a dual mode flexible highly luminescent white security paper and nanotaggants composed of nanophosphors incorporated in polymer metrics to form the nanofibers based mat for anti-counterfeiting applications...
May 23, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29790566/night-shift-work-and-breast-cancer-risk-what-do-the-meta-analyses-tell-us
#18
Manisha Pahwa, France Labrèche, Paul A Demers
Objectives This paper aims to compare results, assess the quality, and discuss the implications of recently published meta-analyses of night shift work and breast cancer risk. Methods A comprehensive search was conducted for meta-analyses published from 2007-2017 that included at least one pooled effect size (ES) for breast cancer associated with any night shift work exposure metric and were accompanied by a systematic literature review. Pooled ES from each meta-analysis were ascertained with a focus on ever/never exposure associations...
May 22, 2018: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/29790447/data-driven-process-to-improve-va-surgical-flow
#19
Balmatee Bidassie, William Gunnar, Leigh Starr, George Van Buskirk, Lisa Warner, Clifford Anckaitis, Angela Howard
Purpose During years 2014-2016, Veterans Health Administration National Surgery Office conducted a surgical flow improvement initiative (SFII) to assist low-performing surgery programs to improve their operating room efficiency (ORE). The initiative was co-sponsored by VHA National Surgery Office and VHA Office of Systems Redesign and Improvement. The paper aims to discuss this issue. Design/methodology/approach An SFII algorithm, based on first-time-start (FTS), cancellation rate (CR), lag time (LT) and OR utilization, assigned an ORE performance Level (1-low to 4-high) to each VA Medical Center (VAMC)...
May 14, 2018: International Journal of Health Care Quality Assurance
https://www.readbyqxmd.com/read/29790371/clinical-quality-and-patient-experience-in-the-adult-ambulatory-setting
#20
Susan Congiusta, Philip Solomon, Joseph Conigliaro, Roseanne O'Gara-Shubinsky, Nina Kohn, Ira S Nash
Quality and patient experience are important dimensions of care delivery. The extent to which they are related in the adult outpatient setting is unknown. This brief study utilized data from a large integrated health system over a 1-year period in 2015 and measured the degree of correlation between physicians' patient experience scores and 8 standardized quality metrics. These quality measures were paired into similar groups to create 4 composite measures: outcome, screening, vaccination, and adherence. Measures of outcome ( r = 0...
May 1, 2018: American Journal of Medical Quality: the Official Journal of the American College of Medical Quality
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