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"Decision model"

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https://www.readbyqxmd.com/read/28799670/compliance-with-recommended-protective-actions-during-an-h7n9-emergency-a-risk-perception-perspective
#1
Fei Wang, Jiuchang Wei, Xing Shi
This study investigates the factors determining an individual's response to official recommended protective measures, based on the Health Belief Model and the Protective Action Decision Model, to understand the adoption of protective behaviour during an H7N9 (Avian Influenza A) emergency. A public survey involving 1,375 respondents was conducted in Anhui Province, China, during the 2013 H7N9 outbreak to test the research model and hypotheses. The results indicate that protective, stakeholder, and risk perceptions influence positively an individual's willingness to take recommended actions...
August 11, 2017: Disasters
https://www.readbyqxmd.com/read/28782104/emergency-department-visits-hospitalizations-and-readmissions-of-patients-with-a-peritonsillar-abscess
#2
Romaine F Johnson
OBJECTIVES: To determine the demographics and treatment outcomes of patients with a peritonsillar abscess (PTA) and to provide guidance for treatment options. METHODS: The 2012 National Emergency Department Database, 2012 National Inpatient Sample, and 2013 Nationwide Readmissions Database were used to analyze patients with a PTA who presented to emergency departments (ED), were admitted and/or readmitted to hospitals in the United States. Outcomes were used to create a decision model to compare initial medical versus surgical management...
August 7, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28758093/effect-of-interactions-between-harvester-ants-on-forager-decisions
#3
Jacob D Davidson, Roxana P Arauco-Aliaga, Sam Crow, Deborah M Gordon, Mark S Goldman
Harvester ant colonies adjust their foraging activity to day-to-day changes in food availability and hour-to-hour changes in environmental conditions. This collective behavior is regulated through interactions, in the form of brief antennal contacts, between outgoing foragers and returning foragers with food. Here we consider how an ant, waiting in the entrance chamber just inside the nest entrance, uses its accumulated experience of interactions to decide whether to leave the nest to forage. Using videos of field observations, we tracked the interactions and foraging decisions of ants in the entrance chamber...
October 2016: Frontiers in Ecology and Evolution
https://www.readbyqxmd.com/read/28750077/understanding-spearfishing-in-a-coral-reef-fishery-fishers-opportunities-constraints-and-decision-making
#4
Tyler Pavlowich, Anne R Kapuscinski
Social and ecological systems come together during the act of fishing. However, we often lack a deep understanding of the fishing process, despite its importance for understanding and managing fisheries. A quantitative, mechanistic understanding of the opportunities fishers encounter, the constraints they face, and how they make decisions within the context of opportunities and constraints will enhance the design of fisheries management strategies to meet linked ecological and social objectives and will improve scientific capacity to predict impacts of different strategies...
2017: PloS One
https://www.readbyqxmd.com/read/28739455/decision-making-in-critical-limb-ischemia-a-markov-simulation
#5
Aaron J Deutsch, C Charles Jain, Kimberly G Blumenthal, Mark W Dickinson, Anne M Neilan
BACKGROUND: Critical limb ischemia (CLI) is a feared complication of peripheral vascular disease that often requires surgical management and may require amputation of the affected limb. OBJECTIVE: To use a decision model to inform clinical management for a 63-year-old woman with CLI and multiple medical comorbidities, including advanced heart failure and diabetes. METHODS: Markov decision model evaluating four strategies: amputation, surgical bypass, endovascular therapy (e...
July 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28725188/using-virtual-reality-to-assess-ethical-decisions-in-road-traffic-scenarios-applicability-of-value-of-life-based-models-and-influences-of-time-pressure
#6
Leon R Sütfeld, Richard Gast, Peter König, Gordon Pipa
Self-driving cars are posing a new challenge to our ethics. By using algorithms to make decisions in situations where harming humans is possible, probable, or even unavoidable, a self-driving car's ethical behavior comes pre-defined. Ad hoc decisions are made in milliseconds, but can be based on extensive research and debates. The same algorithms are also likely to be used in millions of cars at a time, increasing the impact of any inherent biases, and increasing the importance of getting it right. Previous research has shown that moral judgment and behavior are highly context-dependent, and comprehensive and nuanced models of the underlying cognitive processes are out of reach to date...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28725165/cost-effectiveness-of-pre-referral-antimalarial-treatment-in-severe-malaria-among-children-in-sub-saharan-africa
#7
Vivian Rakuomi, Faith Okalebo, Stanley Ndwigah, Levi Mbugua
BACKGROUND: In 2013, 78% of malaria deaths occurred in children aged 5 years and below, in sub-Saharan Africa. Treatment of severe malaria requires a health facility with inpatient care. However, in most sub-Sahara African countries, access to health facilities is a major problem. Pre-referral antimalarial treatments aim to delay the progress of severe malaria as patients seek to access health facilities. Rectal artesunate can be administered in the community as a pre-referral treatment in rural hard-to-reach areas...
2017: Cost Effectiveness and Resource Allocation: C/E
https://www.readbyqxmd.com/read/28723311/visual-perceptual-learning-and-models
#8
Barbara Dosher, Zhong-Lin Lu
Visual perceptual learning through practice or training can significantly improve performance on visual tasks. Originally seen as a manifestation of plasticity in the primary visual cortex, perceptual learning is more readily understood as improvements in the function of brain networks that integrate processes, including sensory representations, decision, attention, and reward, and balance plasticity with system stability. This review considers the primary phenomena of perceptual learning, theories of perceptual learning, and perceptual learning's effect on signal and noise in visual processing and decision...
July 19, 2017: Annual Review of Vision Science
https://www.readbyqxmd.com/read/28715911/hepatitis-c-treatment-regimens-are-cost-effective-but-compared-with-what
#9
T Joseph Mattingly, Julia F Slejko, C Daniel Mullins
BACKGROUND: Numerous economic models have been published evaluating treatment of chronic hepatitis C virus (HCV) infection, but none provide a comprehensive comparison among new antiviral agents. OBJECTIVE: Evaluate the cost-effectiveness of all recommended therapies for treatment of genotypes 1 and 4 chronic HCV. METHODS: Using data from clinical trials, observational analyses, and drug pricing databases, Markov decision models were developed for HCV genotypes 1 and 4 to compare all recommended drugs from the perspective of the third-party payer over a 5-, 10-, and 50-year time horizon...
July 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28699130/cost-effectiveness-of-risk-reducing-mastectomy-versus-surveillance-in-brca-mutation-carriers-with-a-history-of-ovarian-cancer
#10
Charlotte Gamble, Laura J Havrilesky, Evan R Myers, Junzo P Chino, Scott Hollenbeck, Jennifer K Plichta, P Kelly Marcom, E Shelley Hwang, Noah D Kauff, Rachel A Greenup
BACKGROUND: The appropriate management of breast cancer risk in BRCA mutation carriers following ovarian cancer diagnosis remains unclear. We sought to determine the survival benefit and cost effectiveness of risk-reducing mastectomy (RRM) among women with BRCA1/2 mutations following stage II-IV ovarian cancer. DESIGN: We constructed a decision model from a third-party payer perspective to compare annual screening with magnetic resonance imaging (MRI) and mammography to annual screening followed by RRM with reconstruction following ovarian cancer diagnosis...
July 11, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28696420/a-cost-effectiveness-analysis-of-maternal-cyp2d6-genetic-testing-to-guide-treatment-for-postpartum-pain-and-avert-infant-adverse-events
#11
M E Moretti, D F Lato, H Berger, G Koren, S Ito, W J Ungar
Mothers with a CYP2D6 ultrarapid metabolizer phenotype may expose their infants to risk of adverse events when taking codeine while breastfeeding, by producing more of the active metabolite, morphine. Pharmacogenetic testing may be a valuable tool to identify such mothers, but testing can be costly. The objective of the study was to determine the incremental costs of genotyping to avert neonatal adverse events during maternal pharmacotherapy. A cost-effectiveness analysis, using a decision model, was performed with a hypothetical cohort of prenatal subjects...
July 11, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28679676/economic-evaluation-of-a-community-based-diagnostic-pathway-to-stratify-adults-for-non-alcoholic-fatty-liver-disease-a-markov-model-informed-by-a-feasibility-study
#12
Lukasz Tanajewski, Rebecca Harris, David J Harman, Guruprasad P Aithal, Timothy R Card, Georgios Gkountouras, Vladislav Berdunov, Indra N Guha, Rachel A Elliott
OBJECTIVES: To assess the long-term cost-effectiveness of a risk stratification pathway, compared with standard care, for detecting non-alcoholic fatty liver disease (NAFLD) in primary care. SETTING: Primary care general practices in England. PARTICIPANTS: Adults who have been identified in primary care to have a risk factor for developing NAFLD, that is, type 2 diabetes without a history of excessive alcohol use. INTERVENTION: A community-based pathway, which uses transient elastography and hepatologists to stratify patients at risk of NAFLD, has been implemented and demonstrated to be feasible (NCT02037867)...
July 5, 2017: BMJ Open
https://www.readbyqxmd.com/read/28672073/prediction-of-treatment-outcomes-to-exercise-in-patients-with-nonremitted-major-depressive-disorder
#13
Chad D Rethorst, Charles C South, A John Rush, Tracy L Greer, Madhukar H Trivedi
BACKGROUND: Only one-third of patients with major depressive disorder (MDD) achieve remission with initial treatment. Consequently, current clinical practice relies on a "trial-and-error" approach to identify an effective treatment for each patient. The purpose of this report was to determine whether we could identify a set of clinical and biological parameters with potential clinical utility for prescription of exercise for treatment of MDD in a secondary analysis of the Treatment with Exercise Augmentation in Depression (TREAD) trial...
July 3, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28667086/suitable-support-for-anxious-hospice-patients-what-do-nurses-know-do-and-need-an-explanatory-mixed-method-study
#14
Danielle Zweers, Everlien de Graaf, Saskia Teunissen
OBJECTIVE: To provide insight into what nurses know, do and need to provide support to anxious patients in hospice care (HC). METHODS: A mixed method study consisted of an online survey and focus groups (FGs) about what nurses know, do, and need was conducted. 336 HC nurses were invited to participate. Descriptive statistics were computed using SPSS. The χ(2) and t-tests were conducted to compare. The FGs were transcribed verbatim and thematically analysed. RESULTS: The survey was completed by 265 nurses (79%), and five FGs (n=25) were conducted...
June 30, 2017: BMJ Supportive & Palliative Care
https://www.readbyqxmd.com/read/28655413/the-impact-of-physician-burnout-on-clinical-and-academic-productivity-of-gynecologic-oncologists-a-decision-analysis
#15
Taylor B Turner, Sarah E Dilley, Haller J Smith, Warner K Huh, Susan C Modesitt, Stephen L Rose, Laurel W Rice, Jeffrey M Fowler, J Michael Straughn
OBJECTIVE: Physician burnout is associated with mental illness, alcohol abuse, and job dissatisfaction. Our objective was to estimate the impact of burnout on productivity of gynecologic oncologists during the first half of their career. METHODS: A decision model evaluated the impact of burnout on total relative value (RVU) production during the first 15years of practice for gynecologic oncologists entering the workforce from 2011 to 2015. The SGO practice survey provided physician demographics and mean annual RVUs...
June 24, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28650086/systemic-thrombolysis-catheter-directed-thrombolysis-and-anticoagulation-for-intermediate-risk-pulmonary-embolism-a-simulation-modeling-analysis
#16
Christopher Kabrhel, Ayman Ali, Jin Choi, Chin Hur
OBJECTIVES: Decision-making around the use of thrombolysis for patients with intermediate-risk (submassive) PE remains challenging. Studies indicate favorable clinical outcomes with systemic thrombolytics (IV tPA), but the risk of major bleeding and hemorrhagic stroke is a deterrent. Catheter-directed thrombolysis (CDT) may be a preferable strategy, as it has been shown to have a lower risk of bleeding than systemic thrombolysis. However, a three-arm randomized control study comparing IV tPA, CDT, and anticoagulation alone, with long-term follow up, would be costly and is unlikely to be performed...
June 26, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28648321/cost-utility-analysis-of-single-fraction-versus-multiple-fraction-radiotherapy-in-patients-with-painful-bone-metastases-an-iranian-patient-s-perspective-study
#17
Yahya Bayazidi, Ali Keshtkaran, Enayatollah Homaie Rad, Mansour Ansari, Mehdi Javanbakht, Amir Hashemi Meshkini, Shokoufeh Nikfar, Pardis Zaboli
OBJECTIVES: To evaluate two of the various treatment strategies of bone metastasis- single-fraction radiotherapy and multiple-fraction radiotherapy. METHODS: A multistage Markov decision model was applied to assess the incremental costs per quality-adjusted life-year (QALY) gained of single fraction against multiple fractions. The model had a monthly cycle length over a lifetime horizon with 1000 hypothetical cohort samples. The EuroQol five-dimensional questionnaire was used to estimate the health-related quality of life in patients...
May 2017: Value in Health Regional Issues
https://www.readbyqxmd.com/read/28643629/faecal-immunochemical-tests-to-triage-patients-with-lower-abdominal-symptoms-for-suspected-colorectal-cancer-referrals-in-primary-care-a-systematic-review-and-cost-effectiveness-analysis
#18
Marie Westwood, Isaac Corro Ramos, Shona Lang, Marianne Luyendijk, Remziye Zaim, Lisa Stirk, Maiwenn Al, Nigel Armstrong, Jos Kleijnen
BACKGROUND: Colorectal cancer (CRC) is the third most common cancer in the UK. Presenting symptoms that can be associated with CRC usually have another explanation. Faecal immunochemical tests (FITs) detect blood that is not visible to the naked eye and may help to select patients who are likely to benefit from further investigation. OBJECTIVES: To assess the effectiveness of FITs [OC-Sensor (Eiken Chemical Co./MAST Diagnostics, Tokyo, Japan), HM-JACKarc (Kyowa Medex/Alpha Laboratories Ltd, Tokyo, Japan), FOB Gold (Sentinel/Sysmex, Sentinel Diagnostics, Milan, Italy), RIDASCREEN Hb or RIDASCREEN Hb/Hp complex (R-Biopharm, Darmstadt, Germany)] for primary care triage of people with low-risk symptoms...
May 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28628931/-the-probabilistic-efficiency-frontier-a-value-assessment-of-treatment-options-in-hepatitis-c
#19
Axel C Mühlbacher, Andrew Sadler
Background The German Institute for Quality and Efficiency in Health Care (IQWiG) recommends the concept of the efficiency frontier to assess health care interventions. The efficiency frontier supports regulatory decisions on reimbursement prices for the appropriate allocation of health care resources. Until today this cost-benefit assessment framework has only been applied on the basis of individual patient-relevant endpoints. This contradicts the reality of a multi-dimensional patient benefit. Objective The objective of this study was to illustrate the operationalization of multi-dimensional benefit considering the uncertainty in clinical effects and preference data in order to calculate the efficiency of different treatment options for hepatitis C (HCV)...
June 19, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/28616889/risk-communication-emergency-response-preparedness-contextual-assessment-of-the-protective-action-decision-model
#20
Robert L Heath, Jaesub Lee, Michael J Palenchar, Laura L Lemon
Studies are continuously performed to improve risk communication campaign designs to better prepare residents to act in the safest manner during an emergency. To that end, this article investigates the predictive ability of the protective action decision model (PADM), which links environmental and social cues, predecision processes (attention, exposure, and comprehension), and risk decision perceptions (threat, alternative protective actions, and stakeholder norms) with protective action decision making. This current quasi-longitudinal study of residents (N = 400 for each year) in a high-risk (chemical release) petrochemical manufacturing community investigated whether PADM core risk perceptions predict protective action decision making...
June 14, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
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