3,030 research outputs found
Effect of asymmetry of the radio source distribution on the apparent proper motion kinematic analysis
A new list of physical characteristics of 4261 astrometric radio sources,
including all 717 ICRF-Ext.2 sources has been compiled. Comparison of our data
of optical characteristics with the official International Earth Rotation and
Reference Systems Service (IERS) list showed significant discrepancies for
about half of 667 common sources. We also found that asymmetry in the radio
sources distribution between hemispheres could cause significant correlation
between the vector spherical harmonics, especially if the case of sparse
distribution of the sources with high redshift. We identified radio sources
having many-year observation history and lack redshift. This sources should be
urgently observed at large optical telescopes. The list of optical
characteristics created in this paper is recommended for use as a supplement
material for the next International Celestial Reference Frame (ICRF)
realization. It can be also effectively used for cosmological studies and
planning of observing programs both in radio and optics.Comment: 9 page
Therapeutic Hypothermia Protocol in a Community Emergency Department
Objectives: Therapeutic hypothermia (TH) has been shown to improve survival and neurological outcome in patients resuscitated after out of hospital cardiac arrest (OHCA) from ventricular fibrillation/ventricular tachycardia (VF/VT). We evaluated the effects of using a TH protocol in a large community hospital emergency department (ED) for all patients with neurological impairment after resuscitated OHCA regardless of presenting rhythm. We hypothesized improved mortality and neurological outcomes without increased complication rates.Methods: Our TH protocol entails cooling to 33 C for 24 hours with an endovascular catheter. We studied patients treated with this protocol from November 2006 to November 2008. All non-pregnant, unresponsive adult patients resuscitated from any initial rhythm were included. Exclusion criteria were initial hypotension or temperature less than 30 C, trauma, primary intracranial event, and coagulopathy. Control patients treated during the 12 months before the institution of our TH protocol met the same inclusion and exclusion criteria. We recorded survival to hospital discharge, neurological status at discharge, and rates of bleeding, sepsis, pneumonia, renal failure, and dysrhythmias in the first 72 hours of treatment.Results: Mortality rates were 71.1% (95% CI, 56-86%) for 38 patients treated with TH and 72.3% (95% CI 59-86%) for 47 controls. In the TH group, 8% of patients (95% CI, 0-17%) had a good neurological outcome on discharge, compared to 0 (95% CI 0-8%) in the control group. In 17 patients with VF/VT treated with TH, mortality was 47% (95% CI 21-74%) and 18% (95% CI 0-38%) had good neurological outcome; in 9 control patients with VF/VT, mortality was 67% (95% CI 28-100%), and 0% (95% CI 0-30%) had good neurological outcome. The groups were well-matched with respect to sex and age. Complication rates were similar or favored the TH group.Conclusions: Instituting a TH protocol for OHCA patients with any presenting rhythm appears safe in a community hospital ED. A trend towards improved neurological outcome in TH patients was seen, but did not reach significance. Patients with VF appeared to derive more benefit from TH than patients with other rhythms. [West J Emerg Med. 2010; 11(4):367-372.
Emergency Medicine In-Training Examination Scores are Not Associated with Burnout and Not Affected by the Introduction of a Wellness Curriculum
Introduction: There is little research examining the relationship between burnout and medical knowledge. Study Objectives: The authors sought to determine if emergency medicine (EM) resident performance on the In-Training Examination (EM-ITE) is associated with burnout and if EM-ITE scores are affected by the implementation of a wellness curriculum.
Methods: As part of a multi-institution prospective education intervention trial, the Maslach Burnout Inventory, a valuable tool in the assessment of physician burnout, was administered at 10 EM residencies in February 2017. Then, five intervention sites introduced a year-long wellness curriculum. The MBI was re-administered at all sites in August 2017 and February 2018. The EM-ITE, an instrument for medical knowledge assessment, was administered in February 2017 and February 2018 at all sites.
Results: 285/382 (75%) residents participated in the February 2017 data collection; 247/386 (64%) participated in August 2017; and 228/386 (59%) participated in February 2018. EM-ITE scores were reported for 296/383 (77.5%) residents for 2017 and 304/386 (78.8%) residents for 2018. There was no association between change in mean EM-ITE scores at the intervention sites compared to the control sites. In the subset of 172 residents who completed the 2017 and 2018 MBI, there was no correlation between burnout and changes in EM-ITE scores.
Conclusion: In this study of EM residents, burnout was not associated with resident medical knowledge acquisition and change in EM resident medical knowledge was not affected by the introduction of a wellness curriculum
Earth Radiation Budget Experiment (ERBE) scanner instrument anomaly investigation
The results of an ad-hoc committee investigation of in-Earth orbit operational anomalies noted on two identical Earth Radiation Budget Experiment (ERBE) Scanner instruments on two different spacecraft busses is presented. The anomalies are attributed to the bearings and the lubrication scheme for the bearings. A detailed discussion of the pertinent instrument operations, the approach of the investigation team and the current status of the instruments now in Earth orbit is included. The team considered operational changes for these instruments, rework possibilities for the one instrument which is waiting to be launched, and preferable lubrication considerations for specific space operational requirements similar to those for the ERBE scanner bearings
A qualitative systematic review of published work on disclosure and help-seeking for domestic violence and abuse among women from ethnic minority populations in the UK
Introduction: Domestic violence and abuse has been recognised as an international public health problem. However, the pervasiveness of the problem is unknown due in part to underreporting, especially among women from ethnic minority populations. In relation to this group, this review seeks to explore: (1) the barriers to disclosure; (2) the facilitators of help-seeking; and (3) self-perceived impacts of domestic violence.
Design: We systematically identified published qualitative studies conducted among women from ethnic minority populations in the UK. Data analysis was completed using thematic analysis approach.
Result: 562 papers were identified and eight papers from four studies conducted among women from ethnic minority populations in the UK met the inclusion criteria and were reviewed. Barriers to disclosure include: Immigration status, community influences, problems with language and interpretation, and unsupportive attitudes of staff within mainstream services. Facilitators of help-seeking were: escalation of abuse and safety of children. Self-perceived impact of abuse includes: shame, denial, loss of identity and lack of choice.
Conclusion: There is an on-going need for staff from domestic violence services to be aware of the complexities within which women from ethnic minority populations experience domestic violence and abuse
EQUIP training the trainers: an evaluation of a training programme for service users and carers involved in training mental health professionals in user-involved care planning
This is the version of record of the following article: Fraser, C and Grundy, A and Meade, O and Callaghan, P and Lovell, K (2017) EQUIP training the trainers: an evaluation of a training programme for service users and carers involved in training mental health professionals in user-involved care planning. Journal of Psychiatric and Mental Health Nursing, 24 (6). pp. 367-376. which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1111/jpm.12361/full This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving."
Introduction:Limited evidence exists on service user and carer perceptions of under-taking a training course for delivering care planning training to qualified mental health professionals. We know little about trainee motivations for engaging with such train the trainers courses, experiences of attending courses and trainees’ subsequent experiences of co delivering training to health professionals, hence the current study.Aim:To obtain participants’ views on the suitability and acceptability of a training programme that aimed to prepare service users and carers to co deliver train-ing to health professionals.Method:Semi-structured interviews with nine service users and carers attending the training programme. Transcripts were analysed using inductive thematic analysis.Results:Participants’ reasons for attending training included skill development and making a difference to mental health practice.Course content was generally rated highly but may benefit from review and/or extension to allow the range of topics and resulting professional training programme to be covered in more depth. Trainees who delivered the care planning training reported a mix of expectations, support experiences, preparedness and personal impacts.Implications for Practice:Mental health nurses are increasingly co producing and delivering training with service users and carers. This study identifies possibilities and pitfalls in this endeavour, highlighting areas where user and carer involvement and support structures might be improved in order to fully realize the potential for involvement in training
Pattern contrast influences wariness in naïve predators towards aposematic patterns
An apparent and common feature of aposematic patterns is that they contain a high level of achromatic (luminance) contrast, for example, many warning signals combine black spots and stripes with a lighter colour such as yellow. However, the potential importance of achromatic contrast, as distinct from colour contrast, in reducing predation has been largely overlooked. Here, using domestic chicks as a model predator, we manipulated the degree of achromatic contrast in warning patterns to test if high luminance contrast in aposematic signals is important for deterring naïve predators. We found that the chicks were less likely to approach and eat prey with high contrast compared to low contrast patterns. These findings suggest that aposematic prey patterns with a high luminance contrast can benefit from increased survival through eliciting unlearned biases in naïve avian predators. Our work also highlights the importance of considering luminance contrast in future work investigating why aposematic patterns take the particular forms that they do.</p
Systematic synthesis of barriers and facilitators to service user-led care planning
Background
Service user (patient) involvement in care planning is a principle enshrined by mental health policy yet often attracts criticism from patients and carers in practice.
Aims
To examine how user-involved care planning is operationalised within mental health services and to establish where, how and why challenges to service user involvement occur.
Method
Systematic evidence synthesis.
Results
Synthesis of data from 117 studies suggests that service user involvement fails because the patients' frame of reference diverges from that of providers. Service users and carers attributed highest value to the relational aspects of care planning. Health professionals inconsistently acknowledged the quality of the care planning process, tending instead to define service user involvement in terms of quantifiable service-led outcomes.
Conclusions
Service user-involved care planning is typically operationalised as a series of practice-based activities compliant with auditor standards. Meaningful involvement demands new patient-centred definitions of care planning quality. New organisational initiatives should validate time spent with service users and display more tangible and flexible commitments to meeting their needs
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