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https://www.readbyqxmd.com/read/28799352/free-energy-landscape-and-molecular-pathways-of-gas-hydrate-nucleation
#1
Yuanfei Bi, Anna Porras, Tianshu Li
Despite the significance of gas hydrates in diverse areas, a quantitative knowledge of hydrate formation at a molecular level is missing. The impediment to acquiring this understanding is primarily attributed to the stochastic nature and ultra-fine scales of nucleation events, posing a great challenge for both experiment and simulation to explore hydrate nucleation. Here we employ advanced molecular simulation methods, including forward flux sampling (FFS), pB histogram analysis, and backward flux sampling, to overcome the limit of direct molecular simulation for exploring both the free energy landscape and molecular pathways of hydrate nucleation...
December 7, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28768045/examining-factors-that-influence-the-existence-of-heinrich-s-safety-triangle-using-site-specific-h-s-data-from-more-than-25-000-establishments
#2
Patrick L Yorio, Susan M Moore
In the 1930s, Heinrich established one of the most prominent and enduring accident prevention theories when he concluded that high severity occupational safety and health (OSH) incidents are preceded by numerous lower severity incidents and near misses. Seventy-five years of theory expansion/interpretation includes two fundamental tenets: (1) the ratio of lower to higher severity incidents exists in the form of a "safety-triangle" and (2) similar causes underlie both high and low severity events. Although used extensively to inform public policy and establishment-level health and safety priorities, recent research challenges the validity of the two tenets...
August 2, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28757402/brachytherapy-patient-safety-events-in-an-academic-radiation-medicine%C3%A2-program
#3
Shira Felder, Lyndon Morley, Elizabeth Ng, Kitty Chan, Heather Ballantyne, Anne Di Tomasso, Jette Borg, Jean-Pierre Bissonnette, Stephen Breen, John Waldron, Alexandra Rink, Michael Milosevic
PURPOSE: To describe the incidence and type of brachytherapy patient safety events over 10 years in an academic brachytherapy program. METHODS AND MATERIALS: Brachytherapy patient safety events reported between January 2007 and August 2016 were retrieved from the incident reporting system and reclassified using the recently developed National System for Incident Reporting in Radiation Treatment taxonomy. A multi-incident analysis was conducted to identify common themes and key learning points...
July 27, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28754161/a-cross-sectional-study-of-maternal-near-miss-and-mortality-at-a-rural-tertiary-centre-in-southern-nigeria
#4
Ikechukwu Innocent Mbachu, Chukwuemeka Ezeama, Kelechi Osuagwu, Osita Samuel Umeononihu, Chibuzor Obiannika, Nkeiru Ezeama
BACKGROUND: The study evaluated the pattern of severe maternal outcome, near miss indicators and associated patient and healthcare factors at a private referral hospital in rural Nigeria. METHODS: This was a cross sectional study conducted from September 2014 to August 2015 in Madonna University Teaching Hospital Elele, Rivers State, Nigeria. Pregnant and postpartum women were recruited for the study using Nigeria near miss network proforma which was adopted from the WHO near miss proforma...
July 28, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28688909/are-we-making-an-impact-with-incident-learning-systems-analysis-of-quality-improvement-interventions-using-total-body-irradiation-as-a-model-system
#5
Aileen Kim, Eric Ford, Matthew Spraker, Jing Zeng, Ralph Ermoian, Loucille Jordan, Gabrielle Kane, Matthew Nyflot
PURPOSE: Despite increasing interest in incident learning systems (ILS) to improve safety and quality in radiation oncology, little is known about interventions developed in response to safety data. We used total body irradiation (TBI) as a model system to study the effectiveness of interventions from our institutional ILS. METHODS AND MATERIALS: Near-miss event reports specific to TBI were identified from a departmental ILS from March 2012 to December 2015. The near-miss risk index was rated at multidisciplinary review from 0 (no potential harm) to 4 (critical potential harm)...
June 6, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28668911/recognizing-the-ordinary-as-extraordinary-insight-into-the-way-we-work-to-improve-patient-safety-outcomes
#6
Elizabeth A Henneman
The Institute of Medicine (now National Academy of Medicine) reports "To Err is Human" and "Crossing the Chasm" made explicit 3 previously unappreciated realities: (1) Medical errors are common and result in serious, preventable adverse events; (2) The majority of medical errors are the result of system versus human failures; and (3) It would be impossible for any system to prevent all errors. With these realities, the role of the nurse in the "near miss" process and as the final safety net for the patient is of paramount importance...
July 2017: American Journal of Critical Care: An Official Publication, American Association of Critical-Care Nurses
https://www.readbyqxmd.com/read/28662794/lessons-learnt-from-past-incidents-and-accidents-in-radiation-oncology
#7
T Knöös
The purpose of this report is to review and compile what have been and can be learnt from incidents and accidents in radiation oncology, especially in external beam and brachytherapy. Some major accidents from the last 20 years will be discussed. The relationship between major events and minor or so-called near misses is mentioned, leading to the next topic of exploring the knowledge hidden among them. The main lessons learnt from the discussion here and elsewhere are that a well-functioning and safe radiotherapy department should help staff to work with awareness and alertness and that documentation and procedures should be in place and known by everyone...
June 26, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28662440/review-of-serious-events-in-cases-of-suspected-child-abuse-and-or-neglect-a-rose-by-any-other-name
#8
Shanti Raman, Michelle Maiese, Viviana Vasquez, Paola Gordon, Jennifer M Jones
Child abuse and neglect (CAN) cases presenting to health-services may be complex; when things go seriously wrong such as a child death or near miss, cases are reviewed and health-services and professionals subject to intense scrutiny. While there are a variety of mechanisms to review critical incidents in health-services no formal process for the review of cases where child protection is the primary concern exists in Australia. We aimed to develop a systematic process to review serious events in cases of suspected CAN across two health districts in Sydney, so that shared learnings could fuel system change...
June 26, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28661998/description-and-yield-of-current-quality-and-safety-review-in-selected-us-academic-emergency-departments
#9
Richard Thomas Griffey, Ryan M Schneider, Brian R Sharp, Jeffrey J Pothof, Sheridan Hodkins, Roberta Capp, Jennifer L Wiler, Neil Sreshta, John E Sather, Christopher S Sampson, Jonathan T Powell, Kathryn Y Groner, Lee M Adler
OBJECTIVES: Quality and safety review for performance improvement is important for systems of care and is required for US academic emergency departments (EDs). Assessment of the impact of patient safety initiatives in the context of increasing burdens of quality measurement compels standardized, meaningful, high-yield approaches for performance review. Limited data describe how quality and safety reviews are currently conducted and how well they perform in detecting patient harm and areas for improvement...
June 29, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28652332/theory-of-long-binding-events-in-single-molecule-controlled-rotation-experiments-on-f1-atpase
#10
Sándor Volkán-Kacsó, Rudolph A Marcus
The theory of elastic group transfer for the binding and release rate constants for nucleotides in F1-ATPase as a function of the rotor angle is further extended in several respects. (i) A method is described for predicting the experimentally observed lifetime distribution of long binding events in the controlled rotation experiments by taking into account the hydrolysis and synthesis reactions occurring during these events. (ii) A method is also given for treating the long binding events in the experiments and obtaining the rate constants for the hydrolysis and synthesis reactions occurring during these events...
July 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28650384/incident-reporting-in-emergency-medicine-a-thematic-analysis-of-events
#11
Emily Loving Aaronson, David Brown, Theodore Benzer, Shaw Natsui, Elizabeth Mort
BACKGROUND: Incident reporting is a recognized tool for healthcare quality improvement. These systems, which aim to capture near-misses and harm events, enable organizations to gather critical information about failure modes and design mitigation strategies. Although many hospitals have employed these systems, little is known about safety themes in emergency medicine incident reporting. Our objective was to systematically analyze and thematically code 1 year of incident reports. METHODS: A mixed-methods analysis was performed on 1 year of safety reporting data from a large, urban tertiary-care emergency department using a modified grounded theory approach...
June 22, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28645018/take-over-performance-in-evasive-manoeuvres
#12
Riender Happee, Christian Gold, Jonas Radlmayr, Sebastian Hergeth, Klaus Bengler
We investigated after effects of automation in take-over scenarios in a high-end moving-base driving simulator. Drivers performed evasive manoeuvres encountering a blocked lane in highway driving. We compared the performance of drivers 1) during manual driving, 2) after automated driving with eyes on the road while performing the cognitively demanding n-back task, and 3) after automated driving with eyes off the road performing the visually demanding SuRT task. Both minimum time to collision (TTC) and minimum clearance towards the obstacle disclosed a substantial number of near miss events and are regarded as valuable surrogate safety metrics in evasive manoeuvres...
June 20, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28619038/the-experiences-of-women-with-maternal-near-miss-and-their-perception-of-quality-of-care-in-kelantan-malaysia-a-qualitative-study
#13
Mohd Noor Norhayati, Nik Hussain Nik Hazlina, Ab Razak Asrenee, Zaharah Sulaiman
BACKGROUND: Maternal mortality has been the main way of ascertaining the outcome of maternal and obstetric care. However, maternal morbidities occur more frequently than maternal deaths; therefore, maternal near miss was suggested as a more useful indicator for the evaluation and improvement of maternal health services. Our study aimed to explore the experiences of women with maternal near miss and their perception of the quality of care in Kelantan, Malaysia. METHODS: A qualitative phenomenological approach with in-depth interview method was conducted in two tertiary hospitals in Kelantan, Malaysia...
June 15, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28604329/report-on-the-first-government-funded-opioid-substitution-programme-for-heroin-users-in-the-western-cape-province-south-africa
#14
Graeme Michie, Shuaib Hoosain, Muiruri Macharia, Lize Weich
BACKGROUND: Although pharmacological opioid substitution treatment (OST) is a well-established treatment modality for heroin addiction, it is a relatively recent introduction in low- and middle-income countries. OBJECTIVE: To report on a pilot OST programme initiated in 2013 that was the only public-funded programme in South Africa (SA) at the time. Participants were offered standard care only (n=68) or, for the OST group (n=67), standard care plus Suboxone (Reckitt Benckiser), a synthetic partial opioid agonist, in a 12-week clinician-monitored programme...
May 24, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28586355/incidence-and-causes-of-maternal-near-miss-in-selected-hospitals-of-addis-ababa-ethiopia
#15
Ewnetu Firdawek Liyew, Alemayehu Worku Yalew, Mesganaw Fantahun Afework, Birgitta Essén
BACKGROUND: Because maternal mortality is a rare event, it is important to study maternal near-miss as a complement to evaluate and improve the quality of obstetric care. Thus, the study was conducted with the aim of assessing the incidence and causes of maternal near-miss. METHODS: A facility-based cross-sectional study was conducted in five selected public hospitals of Addis Ababa, Ethiopia from May 1, 2015 to April 30, 2016. All maternal near-miss cases admitted to the selected hospitals during the study period were prospectively recruited...
2017: PloS One
https://www.readbyqxmd.com/read/28578150/standardizing-the-classification-of-abortion-incidents-the-procedural-abortion-incident-reporting-and-surveillance-pairs-framework
#16
Diana Taylor, Ushma D Upadhyay, Mary Fjerstad, Molly F Battistelli, Tracy A Weitz, Maureen E Paul
OBJECTIVES: To develop and validate standardized criteria for assessing abortion-related incidents (adverse events, morbidities, near misses) for first-trimester aspiration abortion procedures and to demonstrate the utility of a standardized framework [the Procedural Abortion Incident Reporting & Surveillance (PAIRS) Framework] for estimating serious abortion-related adverse events. STUDY DESIGN: As part of a California-based study of early aspiration abortion provision conducted between 2007 and 2013, we developed and validated a standardized framework for defining and monitoring first-trimester (≤14weeks) aspiration abortion morbidity and adverse events using multiple methods: a literature review, framework criteria testing with empirical data, repeated expert reviews and data-based revisions to the framework...
July 2017: Contraception
https://www.readbyqxmd.com/read/28549789/systematic-approaches-to-adverse-events-in-obstetrics-part-i-event-identification-and-classification
#17
Christian M Pettker
Despite our best intentions to improve health when a patient presents for care, adverse events are ubiquitous in medical practice today. Known complications related to the course of a patient's illness or condition or to the characteristics of the treatment have been an openly stated part of taking care of patients for centuries. However, it is only in the past decade that preventable adverse events, instances of harm related to error and deviations in accepted practice have become a primary part of these conversations...
April 2017: Seminars in Perinatology
https://www.readbyqxmd.com/read/28542628/chemical-and-structural-characterization-of-a-model-post-termination-complex-potc-for-the-ribosome-recycling-reaction-evidence-for-the-release-of-the-mrna-by-rrf-and-ef-g
#18
Nobuhiro Iwakura, Takeshi Yokoyama, Fabio Quaglia, Kaoru Mitsuoka, Kazuhiro Mio, Hideki Shigematsu, Mikako Shirouzu, Akira Kaji, Hideko Kaji
A model Post-Termination Complex (PoTC) used for the discovery of Ribosome Recycling Factor (RRF) was purified and characterized by cryo-electron microscopic analysis and biochemical methods. We established that the model PoTC has mostly one tRNA, at the P/E or P/P position, together with one mRNA. The structural studies were supported by the biochemical measurement of bound tRNA and mRNA. Using this substrate, we establish that the release of tRNA, release of mRNA and splitting of ribosomal subunits occur during the recycling reaction...
2017: PloS One
https://www.readbyqxmd.com/read/28513837/maternal-near-miss-in-low-resource-areas
#19
Robert L Goldenberg, Sarah Saleem, Sumera Ali, Janet L Moore, Adrien Lokangako, Antoinette Tshefu, Musaku Mwenechanya, Elwyn Chomba, Ana Garces, Lester Figueroa, Shivaprasad Goudar, Bhalachandra Kodkany, Archana Patel, Fabian Esamai, Paul Nsyonge, Margo S Harrison, Melissa Bauserman, Carl L Bose, Nancy F Krebs, K Michael Hambidge, Richard J Derman, Patricia L Hibberd, Edward A Liechty, Dennis D Wallace, Jose M Belizan, Menachem Miodovnik, Marion Koso-Thomas, Waldemar A Carlo, Alan H Jobe, Elizabeth M McClure
OBJECTIVE: To describe the Global Network Near-Miss Maternal Mortality System and its application in seven sites. METHODS: In a population-based study, pregnant women eligible for enrollment in the Maternal and Newborn Health Registry at seven sites (Democratic Republic of the Congo; Guatemala; Belagavi and Nagpur, India; Kenya; Pakistan; and Zambia) between January 2014 and April 2016 were screened to identify those likely to have a near-miss event. The WHO maternal near-miss criteria were modified for low-resource settings...
May 17, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28510604/ebola-exposure-illness-experience-and-ebola-antibody-prevalence-in-international-responders-to-the-west-african-ebola-epidemic-2014-2016-a-cross-sectional-study
#20
Catherine F Houlihan, Catherine R McGowan, Steve Dicks, Marc Baguelin, David A J Moore, David Mabey, Chrissy H Roberts, Alex Kumar, Dhan Samuel, Richard Tedder, Judith R Glynn
BACKGROUND: Healthcare and other front-line workers are at particular risk of infection with Ebola virus (EBOV). Despite the large-scale deployment of international responders, few cases of Ebola virus disease have been diagnosed in this group. Since asymptomatic or pauci-symptomatic infection has been described, it is plausible that infections have occurred in healthcare workers but have escaped being diagnosed. We aimed to assess the prevalence of asymptomatic or pauci-symptomatic infection, and of exposure events, among returned responders to the West African Ebola epidemic 2014-2016...
May 2017: PLoS Medicine
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