589 research outputs found

    Target Wellbeing Evaluation. Final Report 2012.

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    Origin and petrophysical log response of overpressures in the Baram Delta province, Brunei.

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    The ‘window’ of safe mud weights between pore pressure and fracture pressure is narrower in overpressured sediments than in normally pressured sediments. This ‘window’ also controls the maximum buoyancy pressure, and hence the maximum height of hydrocarbon columns. Therefore, accurate pore pressure prediction is of critical importance for hydrocarbon exploration. Accurate pore pressure prediction is especially important in the rapidly depositing (3000 m/Ma) Tertiary Baram Delta Province where all economic fields exhibit overpressures, often of high magnitude and with narrow transition zones. A database of pore pressure information was compiled for 157 wells in 61 fields throughout Brunei. Overpressures are observed in 54 fields both in the inner shelf deltaic sequences and the underlying pro-delta shales. Porosity-vertical effective stress plots from 31 fields reveal that overpressures are primarily generated by disequilibrium compaction in the pro-delta shales, but have been vertically transferred into the inner shelf deltaic sequences.Sediments overpressured by disequilibrium compaction exhibit different physical properties to those overpressured by vertical transfer and hence, different pore pressure prediction strategies need to be applied in the prodelta shales and inner shelf deltaic sequences. Sonic and density log data detects overpressures generated by disequilibrium compaction and pore pressures are accurately predicted using an Eaton exponent of 3.0. Sonic log data detects vertically transferred overpressures, even in the absence of a porosity anomaly, and pore pressures are reasonably predicted using an Eaton exponent of 6.5

    Application of Active Learning Strategies for Online Delivery in an Occupational Therapy Assistant Program

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    The COVID-19 pandemic had a significant impact worldwide in every aspect of society including occupational therapy assistant students enrolled in academic coursework. This manuscript examines the unique experience of occupational therapy assistant faculty in a northeast state who were able to quickly modify classroom and lab teaching-learning strategies to a fully online virtual format for two semesters. Since no available information on strategies for online delivery of occupational therapy assistant education were found in the literature, their experiences implementing active learning strategies are described and discussed. Strategies covered include: the flipped classroom model; think-pair-share and jigsaw technique using breakout rooms; polling and student response systems; muddiest point via chat box; lab kits; one-minute paper using discussion forums; and student-generated videos. Twenty students provided feedback through a survey about the helpfulness of each strategy. The breakout room and chat box feature of the synchronous virtual classroom as well as lab kits were perceived as most helpful, whereas student-generated videos and one-minute papers were perceived as least helpful. Implications for continued incorporation of online learning in occupational therapy assistant curricula are outlined

    Re-thinking and re-positioning ‘being in the moment’ within a continuum of moments : introducing a new conceptual framework for dementia studies

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    This article draws upon six social research studies completed by members of the Dementia and Ageing Research Team at The University of Manchester and their associated networks over an eight-year period [2011-2019] with the aim of constructing a definition of ‘being in the moment’ and situating it within a continuum of moments that could be used to contextualise and frame the lived experience of dementia. Using the approach formulated by Pound et al.(2005) to synthesising qualitative studies, we identified this continuum of moments as comprising four sequential and inter-linked steps: i) ‘Creating the moment’, defined as the processes and procedures necessary to enable being in the moment to take place. The time necessary for this to occur can range from fleeting to prolonged; ii) ‘Being in the moment’, which refers to the multi-sensory processes involved in a personal or relational interaction and embodied engagement. Being in the moment can be sustained through creativity and flow; iii) ‘Ending the moment’, defined as when a specific moment is disengaged. This can be triggered by the person(s) involved consciously or subconsciously, or caused by a distraction in the environment or suchlike; and iv) ‘Reliving the moment’, which refers to the opportunity for the experience(s) involved in ‘being in the moment’ to be later remembered and shared, however fragmentary, supported or full the recall

    Does pre-existing cognitive impairment impact on amount of stroke rehabilitation received? An observational cohort study

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    © The Author(s) 2019. Objective: To examine whether stroke survivors in inpatient rehabilitation with pre-existing cognitive impairment receive less therapy than those without. Design: Prospective observational cohort. Setting: Four UK inpatient stroke rehabilitation units. Participants: A total of 139 stroke patients receiving rehabilitation, able to give informed consent/had an individual available to act as personal consultee. In total, 33 participants were categorized with pre-existing cognitive impairment based on routine documentation by clinicians and 106 without. Measures: Number of inpatient therapy sessions received during the first eight weeks post-stroke, referral to early supported discharge, and length of stay. Results: On average, participants with pre-existing cognitive impairment received 40 total physiotherapy and occupational therapy sessions compared to 56 for those without (mean difference = 16.0, 95% confidence interval (CI) = 2.9, 29.2), which was not fully explained by adjusting for potential confounders (age, sex, National Institutes of Health Stroke Scale (NIHSS), and pre-stroke modified Rankin Scale (mRS)). While those with pre-existing cognitive impairment received nine fewer single-discipline physiotherapy sessions (95% CI = 3.7, 14.8), they received similar amounts of single-discipline occupational therapy, psychology, and speech and language therapy; two more non-patient-facing occupational therapy sessions (95% CI = –4.3, –0.6); and nine fewer patient-facing occupational therapy sessions (95% CI = 3.5, 14.9). There was no evidence to suggest they were discharged earlier, but of the 85 participants discharged within eight weeks, 8 (42%) with pre-existing cognitive impairment were referred to early supported discharge compared to 47 (75%) without. Conclusion: People in stroke rehabilitation with pre-existing cognitive impairments receive less therapy than those without, but it remains unknown whether this affects outcomes

    The personal benefits of musicking for people living with dementia:a thematic synthesis of the qualitative literature

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    This review aimed to explore the psychological, social and emotional benefits of music activities for people living with dementia through a systematic review of qualitative literature. Eighteen studies were identified that covered a wide range of music programmes for people with dementia, with the majority of programmes focusing on active musical participation. A thematic synthesis revealed four key benefits of music engagement for people with dementia, namely: Taking Part, Being Connected, Affirming Identity and Immersion “in the moment”. Overall, engaging with music was seen to have a number of psychological, social and emotional benefits for people with dementia. However, only seven studies actively included people with dementia in the research process. Going forward, it would appear essential that people with dementia are encouraged to take a more active role in research exploring musical experiences and that a heightened emphasis is placed upon participatory approaches to knowledge generation. © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group

    Ultra-fast intramolecular vibronic coupling revealed by RIXS and RPES maps of an aromatic adsorbate on TiO2(110)

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    Two-dimensional resonant inelastic x-ray scattering (RIXS) and resonant photoelectron spectroscopy (RPES) maps are presented for multilayer and monolayer coverages of an aromatic molecule (bi-isonicotinic acid) on the rutile TiO2(110) single crystal surface. The data reveals ultra-fast intramolecular vibronic coupling upon core-excitation from the N 1s orbital into the lowest unoccupied molecular orbital (LUMO) derived resonance. In the RIXS measurements this results in the splitting of the participator decay channel into a purely elastic line which disperses linearly with excitation energy, and a vibronic coupling channel at constant emission energy. In the RPES measurements the vibronic coupling results in a linear shift in binding energy of the participator channel as the excitation is tuned over the LUMO-derived resonance. Localisation of the vibrations on the molecule on the femtosecond timescale results in predominantly inelastic scattering from the core-excited state in both the physisorbed multilayer and the chemisorbed monolayer

    Towards improved decision support in the assessment and management of pain for people with dementia in hospital: a systematic meta-review and observational study

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    This is the final version. Available from NIHR Journals Library via the DOI in this record.Background Pain and dementia are common in older people, and impaired cognitive abilities make it difficult for them to communicate their pain. Pain, if poorly managed, impairs health and well-being. Accurate pain assessment in this vulnerable group is challenging for hospital staff, but essential for appropriate management. Robust methods for identifying, assessing and managing pain are needed. Aims and objectives Two studies were undertaken to inform the development of a decision support tool to aid hospital staff in the recognition, assessment and management of pain. The first was a meta-review of systematic reviews of observational pain assessment instruments with three objectives: (1) to identify the tools available to assess pain in adults with dementia; (2) to identify in which settings they were used and with what patient populations; and (3) to assess their reliability, validity and clinical utility. The second was a multisite observational study in hospitals with four objectives: (1) to identify information currently used by clinicians when detecting and managing pain in patients with dementia; (2) to explore existing processes for detecting and managing pain in these patients; (3) to identify the role (actual/potential) of carers in this process; and (4) to explore the organisational context in which health professionals operate. Findings also informed development of health economics data collection forms to evaluate the implementation of a new decision support intervention in hospitals. Methods For the meta-review of systematic reviews, 12 databases were searched. Reviews of observational pain assessment instruments that provided psychometric data were included. Papers were quality assessed and data combined using narrative synthesis. The observational study used an ethnographic approach in 11 wards in four UK hospitals. This included non-participant observation of 31 patients, audits of patient records, semistructured interviews with 52 staff and four carers, informal conversations with staff and carers and analysis of ward documents and policies. Thematic analysis of the data was undertaken by the project team. Results Data from eight systematic reviews including 28 tools were included in the meta-review. Most tools showed moderate to good reliability, but information about validity, feasibility and clinical utility was scarce. The observational study showed complex ward cultures and routines, with variations in time spent with patients, communication patterns and management practices. Carer involvement was rare. No pain decision support tools were observed in practice. Information about pain was elicited in different ways, at different times, by different health-care staff and recorded in separate documents. Individual staff made sense of patients’ pain by creating their own ‘overall picture’ from available information. Limitations Grey literature and non-English-language papers were excluded from the meta-review. Sample sizes in the observational study were smaller than planned owing to poor documentation of patients’ dementia diagnoses, gatekeeping by staff and difficulties in gaining consent/assent. Many patients had no or geographically distant carers, or a spouse who was too unwell and/or reluctant to participate. Conclusions No single observational pain scale was clearly superior to any other. The traditional linear concept of pain being assessed, treated and reassessed by single individuals did not ‘fit’ with clinical reality. A new approach enabling effective communication among patients, carers and staff, centralised recording of pain-related information, and an extended range of pain management interventions is proposed [Pain And Dementia Decision Support (PADDS)]. This was not tested with users, but a follow-on study aims to codesign PADDS with carers and clinicians, then introduce education on staff/patient/carer communications and use of PADDS within a structured implementation plan. PADDS will need to be tested in differing ward contexts.National Institute for Health Research Health Services and Delivery Research programm

    ELF5 modulates the estrogen receptor cistrome in breast cancer.

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    Acquired resistance to endocrine therapy is responsible for half of the therapeutic failures in the treatment of breast cancer. Recent findings have implicated increased expression of the ETS transcription factor ELF5 as a potential modulator of estrogen action and driver of endocrine resistance, and here we provide the first insight into the mechanisms by which ELF5 modulates estrogen sensitivity. Using chromatin immunoprecipitation sequencing we found that ELF5 binding overlapped with FOXA1 and ER at super enhancers, enhancers and promoters, and when elevated, caused FOXA1 and ER to bind to new regions of the genome, in a pattern that replicated the alterations to the ER/FOXA1 cistrome caused by the acquisition of resistance to endocrine therapy. RNA sequencing demonstrated that these changes altered estrogen-driven patterns of gene expression, the expression of ER transcription-complex members, and 6 genes known to be involved in driving the acquisition of endocrine resistance. Using rapid immunoprecipitation mass spectrometry of endogenous proteins, and proximity ligation assays, we found that ELF5 interacted physically with members of the ER transcription complex, such as DNA-PKcs. We found 2 cases of endocrine-resistant brain metastases where ELF5 levels were greatly increased and ELF5 patterns of gene expression were enriched, compared to the matched primary tumour. Thus ELF5 alters ER-driven gene expression by modulating the ER/FOXA1 cistrome, by interacting with it, and by modulating the expression of members of the ER transcriptional complex, providing multiple mechanisms by which ELF5 can drive endocrine resistance

    Neighbourhoods and dementia in the health and social care context: A realist review of the literature and implications for UK policy development

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    The National Dementia Strategy in England has performed an essential role in transforming health and social care services and improving the commissioning architecture. However, to date, little attention has been paid to understanding the ways in which the outdoor and built environment impacts and intersects with the lives of people with dementia and their carers. One way of better understanding the outdoor and built environment is through a focus on the 'neighbourhood' as this is an area of public policy where attempts are being made across disciplines to unpack its meanings, significance and identity. This paper adopts a realist review method to detail the key findings and messages from the body of work that links the experience of living with dementia to the neighbourhood. Our findings from this review are assimilated and defined/presented under three headings, namely: outdoor spaces, built environment, and everyday technologies. These headings and our definitions are not discrete properties and there is some overlap in content. We found no research that sets out to enquire about how people with dementia might define their neighbourhood or that explores everyday neighbourhood practices for those living with the condition. Emerging concepts such as citizenship and, in the UK, the Coalition Government advancement of the 'Big Society', promote a vision of civic responsibilities and networked, dementia-capable communities, but evaluation of such initiatives are virtually absent from the literature. The review did uncover some interesting and innovative research methods that extend neighbourhood working, such as the 'walking interview'. In order to develop a neighbourhood model for dementia, future research should examine the relationship and interaction between the neighbourhood as a social space and as a physical space alongside the active role of people with dementia as 'place-makers'. Copyright © Cambridge University Press 2012
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