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https://www.readbyqxmd.com/read/28523743/applying-lessons-from-social-psychology-to-transform-the-culture-of-error-disclosure
#1
Jason Han, Denise LaMarra, Neha Vapiwala
CONTEXT: The ability to carry out prompt and effective error disclosure has been described in the literature as an essential skill among physicians that can lead to improved patient satisfaction, staff well-being and hospital outcomes. However, few studies have addressed the social psychology principles that may influence physician behaviour. METHODS: The authors provide an overview of recent administrative measures designed to encourage physicians to disclose error, but note that deliberate practice, buttressed with lessons from social psychology, is needed to implement further productive behavioural changes...
May 18, 2017: Medical Education
https://www.readbyqxmd.com/read/28523139/an-overview-of-the-use-of-artificial-neural-networks-in-lung-cancer-research
#2
EDITORIAL
Luca Bertolaccini, Piergiorgio Solli, Alessandro Pardolesi, Antonello Pasini
The artificial neural networks (ANNs) are statistical models where the mathematical structure reproduces the biological organisation of neural cells simulating the learning dynamics of the brain. Although definitions of the term ANN could vary, the term usually refers to a neural network used for non-linear statistical data modelling. The neural models applied today in various fields of medicine, such as oncology, do not aim to be biologically realistic in detail but just efficient models for nonlinear regression or classification...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28522983/a-dynamical-model-of-pitch-memory-provides-an-improved-basis-for-implied-harmony-estimation
#3
Ji Chul Kim
Tonal melody can imply vertical harmony through a sequence of tones. Current methods for automatic chord estimation commonly use chroma-based features extracted from audio signals. However, the implied harmony of unaccompanied melodies can be difficult to estimate on the basis of chroma content in the presence of frequent nonchord tones. Here we present a novel approach to automatic chord estimation based on the human perception of pitch sequences. We use cohesion and inhibition between pitches in auditory short-term memory to differentiate chord tones and nonchord tones in tonal melodies...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28515571/estimating-yield-gaps-at-the-cropping-system-level
#4
Nicolas Guilpart, Patricio Grassini, Victor O Sadras, Jagadish Timsina, Kenneth G Cassman
Yield gap analyses of individual crops have been used to estimate opportunities for increasing crop production at local to global scales, thus providing information crucial to food security. However, increases in crop production can also be achieved by improving cropping system yield through modification of spatial and temporal arrangement of individual crops. In this paper we define the cropping system yield potential as the output from the combination of crops that gives the highest energy yield per unit of land and time, and the cropping system yield gap as the difference between actual energy yield of an existing cropping system and the cropping system yield potential...
May 2017: Field Crops Research
https://www.readbyqxmd.com/read/28513922/impact-of-sampling-interval-in-training-data-acquisition-on-intrafractional-predictive-accuracy-of-indirect-dynamic-tumor-tracking-radiotherapy
#5
Nobutaka Mukumoto, Mitsuhiro Nakamura, Mami Akimoto, Yuki Miyabe, Kenji Yokota, Yukinori Matsuo, Takashi Mizowaki, Masahiro Hiraoka
PURPOSE: To explore the effect of sampling interval of training data acquisition on the intrafractional prediction error of surrogate signal-based dynamic tumor-tracking using a gimbal-mounted linac. MATERIALS AND METHODS: Twenty pairs of respiratory motions were acquired from 20 patients (ten lung, five liver, and five pancreatic cancer patients) who underwent dynamic tumor-tracking with the Vero4DRT. First, respiratory motions were acquired as training data for an initial construction of the prediction model before the irradiation...
May 17, 2017: Medical Physics
https://www.readbyqxmd.com/read/28511355/identification-of-polar-transformation-products-and-high-molecular-weight-polycyclic-aromatic-hydrocarbons-pahs-in-contaminated-soil-following-bioremediation
#6
Leah Chibwe, Cleo L Davie-Martin, Michael D Aitken, Eunha Hoh, Staci L Massey Simonich
Bioremediation is a technique commonly used to reduce the toxicity associated with polycyclic aromatic hydrocarbons (PAHs) in contaminated soils. However, the efficacy of bioremedial applications is evaluated based on the removal of a subset of parent (or unsubstituted) PAHs and does not incorporate toxic polar transformation products or the more mutagenic high molecular weight PAHs (MW≥302amu or MW302-PAHs). Previously, an effects-directed analysis approach was used to assess the effect of bioremediation on the toxicity of a coal tar-contaminated soil...
May 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28511261/current-practice-and-the-future-of-deep-brain-stimulation-therapy-in-parkinson-s-disease
#7
Leonardo Almeida, Wissam Deeb, Chauncey Spears, Enrico Opri, Rene Molina, Daniel Martinez-Ramirez, Aysegul Gunduz, Christopher W Hess, Michael S Okun
Deep brain stimulation (DBS) is an effective therapy for Parkinson's disease patients experiencing motor fluctuations, medication-resistant tremor, and/or dyskinesia. Currently, the subthalamic nucleus and the globus pallidus internus are the two most widely used targets, with individual advantages and disadvantages influencing patient selection. Potential DBS patients are selected using the few existing guidelines and the available DBS literature, and many centers employ an interdisciplinary team review of the individual's risk-benefit profile...
April 2017: Seminars in Neurology
https://www.readbyqxmd.com/read/28508541/opt-in-or-opt-out-to-increase-organ-donation-in-south-africa-appraising-proposed-strategies-using-an-empirical-ethics-analysis
#8
Harriet Etheredge, Claire Penn, Jennifer Watermeyer
Utilising empirical ethics analysis, we evaluate the merits of systems proposed to increase deceased organ donation in South Africa (SA). We conclude that SA should maintain its soft opt-in policy, and enhance it with 'required transplant referral' in order to maximise donor numbers within an ethically and legally acceptable framework. In SA, as is the case worldwide, the demand for donor organs far exceeds the supply thereof. Currently utilising a soft opt-in system, SA faces the challenge of how to increase donor numbers in a context which is imbued with inequalities in access to healthcare, multiplicitous personal beliefs and practices, distrust of organ transplant and varying levels of education and health literacy...
May 16, 2017: Developing World Bioethics
https://www.readbyqxmd.com/read/28506678/adaptive-super-twisting-sliding-mode-control-for-a-three-phase-single-stage-grid-connected-differential-boost-inverter-based-photovoltaic-system
#9
Akshaya K Pati, N C Sahoo
This paper presents an adaptive super-twisting sliding mode control (STC) along with double-loop control for voltage tracking performance of three-phase differential boost inverter and DC-link capacitor voltage regulation in grid-connected PV system. The effectiveness of the proposed control strategies are demonstrated under realistic scenarios such as variations in solar insolation, load power demand, grid voltage, and transition from grid-connected to standalone mode etc. Additional supplementary power quality control functions such as harmonic compensation, and reactive power management are also investigated with the proposed control strategy...
May 12, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28505576/toxicity-of-environmentally-realistic-concentrations-of-chlorpyrifos-and-terbuthylazine-in-indoor-microcosms
#10
Ana Santos Pereira, Maria José Cerejeira, Michiel A Daam
Few studies have been conducted into the evaluation of environmentally realistic pesticide mixtures using model ecosystems. In the present study, the effects of single and combined environmentally realistic concentrations of the herbicide terbuthylazine and the insecticide chlorpyrifos were evaluated using laboratory microcosms. Direct toxic effects of chlorpyrifos were noted on copepod nauplii and cladocerans and the recovery of the latter was likely related with the decrease observed in rotifer abundances...
May 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28504931/robust-real-time-musculoskeletal-modeling-driven-by-electromyograms
#11
Guillaume Durandau, Dario Farina, Massimo Sartori
OBJECTIVE: Current clinical biomechanics involves lengthy data acquisition and time-consuming offline analyses and current biomechanical models cannot be used for real-time control in man-machine interfaces. We developed a method that enables online analysis of neuromusculoskeletal function in vivo in the intact human. METHODS: We used electromyography (EMG)-driven musculoskeletal modeling to simulate all transformations from muscle excitation onset (EMGs) to mechanical moment production around multiple lower-limb degrees of freedom (DOFs)...
May 12, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28503194/what-are-effective-strategies-for-implementing-trauma-informed-care-in-youth-inpatient-psychiatric-and-residential-treatment-settings-a-realist-systematic-review
#12
REVIEW
Stephanie A Bryson, Emma Gauvin, Ally Jamieson, Melanie Rathgeber, Lorelei Faulkner-Gibson, Sarah Bell, Jana Davidson, Jennifer Russel, Sharlynne Burke
BACKGROUND: Many young people who receive psychiatric care in inpatient or residential settings in North America have experienced various forms of emotional trauma. Moreover, these settings can exacerbate trauma sequelae. Common practices, such as seclusion and restraint, put young people at risk of retraumatization, development of comorbid psychopathology, injury, and even death. In response, psychiatric and residential facilities have embraced trauma-informed care (TIC), an organizational change strategy which aligns service delivery with treatment principles and discrete interventions designed to reduce rates of retraumatization through responsive and non-coercive staff-client interactions...
2017: International Journal of Mental Health Systems
https://www.readbyqxmd.com/read/28498244/identifying-lynch-syndrome-in-women-presenting-with-endometrial-carcinoma-under-the-age-of-50-years
#13
Antonios Anagnostopoulos, Vicky H McKay, Iris Cooper, Fiona Campbell, Lynn Greenhalgh, John Kirwan
BACKGROUND: Lynch syndrome (LS) is an inherited disorder associated with genetic predisposition to endometrial, colorectal, ovarian, and other cancers. There is consensus for the necessity of assessment for LS in view of the established survival benefits for identified patients and affected family members. The debate regarding the best screening policy is far from being concluded. OBJECTIVES: The aim of this study was to evaluate a realistic protocol for identifying LS families by assessing young women with a diagnosis of endometrial cancer (EC)...
June 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28498063/preliminary-evaluation-of-a-novel-rigid-bronchoscopy-simulator
#14
Grace E Hsiung, Ben Schwab, Ellen K O'Brien, Colin D Gause, Ferdynand Hebal, Katherine A Barsness, Deborah M Rooney
PURPOSE: Emergent retrieval of airway foreign bodies (AFBs) in children remains a priority skill set for pediatric surgeons. In the setting of low procedural volume, simulation-based education with deliberate practice is essential to ensure trainees reach expected surgical competency. The purposes of this work were to (1) create a realistic rigid bronchoscopy for AFB retrieval simulation model and (2) to evaluate preliminary validity evidence of a novel simulator for the use of training and assessing pediatric surgical trainees' rigid bronchoscopy skills...
May 12, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28498025/understanding-meaning-in-life-interventions-in-patients-with-advanced-disease-a-systematic-review-and-realist-synthesis
#15
Mariona Guerrero-Torrelles, Cristina Monforte-Royo, Andrea Rodríguez-Prat, Josep Porta-Sales, Albert Balaguer
BACKGROUND: Among patients with advanced disease, meaning in life is thought to enhance well-being, promote coping and improve the tolerance of physical symptoms. It may also act as a buffer against depression and hopelessness. As yet, there has been no synthesis of meaning in life interventions in which contextual factors, procedures and outcomes are described and evaluated. AIMS: To identify meaning in life interventions implemented in patients with advanced disease and to describe their context, mechanisms and outcomes...
February 1, 2017: Palliative Medicine
https://www.readbyqxmd.com/read/28497961/evaluating-the-development-of-biocatalytic-technology-for-the-targeted-removal-of-perchlorate-from-drinking-water
#16
Justin M Hutchison, Jeremy S Guest, Julie L Zilles
Removing micropollutants is challenging in part because of their toxicity at low concentrations. A biocatalytic approach could harness the high affinity of enzymes for their substrates to address this challenge. The potential of biocatalysis relative to mature (non-selective ion exchange, selective exchange, and whole-cell biological reduction) and emerging (catalysis) perchlorate-removal technologies was evaluated through a quantitative sustainable design framework, and research objectives were prioritized to advance economic and environmental sustainability...
May 12, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28497927/the-potential-role-of-pain-related-sseps-in-the-early-prognostication-of-long-term-functional-outcome-in-post-anoxic-coma
#17
Alessandra Del Felice, Stefano Bargellesi, Federico Linassi, Bruno Scarpa, Emanuela Formaggio, Paolo Boldrini, Stefano Masiero, Paolo Zanatta
BACKGROUND: Cardiac arrest (CA) is a common cause of disability. Multimodal evaluation has improved prognosis but precocious biomarkers are not appropriate in determining long-term functional outcome. AIM: to identify early prognostication markers of long-term functional outcome in post-anoxic coma. DESIGN: retrospective assessment of outcomes. POPULATION: Individuals older than 18 years with post-anoxic coma hospitalized in intensive care units after cardiac arrest (CA) regardless of cause (cardiac or non-cardiac) and location of event (in or out-of-hospital)...
May 12, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28495442/validation-of-plastic-scintillation-detectors-for-applications-in-low-dose-rate-brachytherapy
#18
François Therriault-Proulx, Luc Beaulieu, Sam Beddar
PURPOSE: To develop a plastic scintillation detector (PSD) capable of accurately measuring dose around a low-dose-rate (LDR) iodine-125 ((125)I) radioactive seed as a first step toward in vivo dosimetry for prostate LDR brachytherapy. METHODS: Using a GEANT4 based Monte Carlo code, photon energy distribution at any position around a realistic (125)I source model was obtained. This energy distribution was convolved with the expected energy response from a plastic scintillator and dosimetry accuracy was evaluated...
May 8, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28495006/e-health-internationalization-requirements-for-audit-purposes
#19
Sofia Ouhbi, José Luis Fernández-Alemán, Juan Manuel Carrillo-de-Gea, Ambrosio Toval, Ali Idri
BACKGROUND AND OBJECTIVE: In the 21st century, e-health is proving to be one of the strongest drivers for the global transformation of the health care industry. Health information is currently truly ubiquitous and widespread, but in order to guarantee that everyone can appropriately access and understand this information, regardless of their origin, it is essential to bridge the international gap. The diversity of health information seekers languages and cultures signifies that e-health applications must be adapted to satisfy their needs...
June 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28494641/establishment-and-evaluation-of-patient-specific-virtual-ureteroscopy-in-assisting-flexible-ureteroscopy-for-urolithiasis
#20
Yi Zhang, Cheng-Fan Yu, Jun-Hui Zhang, Lu-Dong Qiao, Wei Yan, Cai-Peng Qin
OBJECTIVES: To establish virtual ureteroscopy (VU) through computed tomography urography (CTU) data from patients with upper urinary tract (UUT) stones indicated for flexible ureteroscopy (fURS) and to validate its effectiveness. METHODS: Patient-specific VU generation was accomplished through incorporating CTU data into specialized software (Crusher) developed on the open access Visualization Tools Kit (VTK). These were then presented to fURS experts and novice urologists for evaluation and comparison using modified Likert-type questionnaire of 10-point rating scales (1 = not at all useful/not at all realistic/poor, 10 = very useful/very realistic/ excellent)...
May 1, 2017: Surgical Innovation
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