7,766 research outputs found
P1 Large scale three-dimensional cartilage tissue engineering using adult bone marrow stem cells from OA patients
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Priming Pharyngeal Motor Cortex by Repeated Paired Associative Stimulation: Implications for Dysphagia Neurorehabilitation
Background. Several stimulation parameters can influence the neurophysiological and behavioral effects of paired associative stimulation (PAS), a neurostimulation paradigm that repeatedly pairs a peripheral electrical with a central cortical (transcranial magnetic stimulation [TMS]) stimulus. This also appears to be the case when PAS is applied to the pharyngeal motor cortex (MI), with some variability in excitatory responses, questioning its translation into a useful therapy for patients with brain injury. Objective. To investigate whether repeated PAS in both “responders” and “nonresponders” could enhance cortical excitability in pharyngeal MI more robustly. Methods. Based on their responses after single PAS, healthy participants were stratified into 2 groups of “responders” and “nonresponders” and underwent 2 periods (60 minutes inter-PAS interval) of active and sham PAS in a randomized order. Neurophysiological measurements with single TMS pulses from pharyngeal motor representation were collected up to 90 minutes after the second PAS period. Results. Repeated PAS increased cortical excitability up to 95% at 60 minutes following the second PAS in both the “responders” and “nonresponders.” Moreover, cortical excitability in the “nonresponders” was significantly different after repeated PAS compared with single and sham application (P = .02; z = −2.2). Conclusions. Double dose PAS switched “nonresponders” to “responders.” These results are important for PAS application to dysphagic stroke patients who do not initially respond to a single application
Cost-effectiveness of a European preventive cardiology programme in primary care: A Markov modelling approach
This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license.OBJECTIVE: To investigate the longer-term cost-effectiveness of a nurse-coordinated preventive cardiology programme for primary prevention of cardiovascular disease (CVD) compared to routine practice from a health service perspective. DESIGN: A matched, paired cluster-randomised controlled trial. SETTING: Six pairs of general practices in six countries. PARTICIPANTS: 1019 patients were randomised to the EUROACTION intervention programme and 1005 patients to usual care (UC) and who completed the 1-year follow-up. OUTCOME MEASURES: Evidence on health outcomes and costs was based on patient-level data from the study, which had a 1-year follow-up period. Future risk of CVD events was modelled, using published risk models based on patient characteristics. An individual-level Markov model for each patient was used to extrapolate beyond the end of the trial, which was populated with data from published sources. We used an 11-year time horizon and investigated the impact on the cost-effectiveness of varying the duration of the effect of the intervention beyond the end of the trial. Results are expressed as incremental cost per quality-adjusted life-year gained. RESULTS: Unadjusted results found the intervention to be more costly and also more effective than UC. However, after adjusting for differences in age, gender, country and baseline risk factors, the intervention was dominated by UC, but this analysis was not able to take into account the lifestyle changes in terms of diet and physical activity. CONCLUSIONS: Although the EUROACTION study achieved healthier lifestyle changes and improvements in management of blood pressure and lipids for patients at high risk of CVD, compared to UC, it was not possible to show, using available risk equations which do not incorporate diet and physical activity, that the intervention reduced longer-term cardiovascular risk cost-effectively. Whether or not an intervention such as that offered by EUROACTION is cost-effective requires a longer-term trial with major cardiovascular events as the outcome.This study is sponsored solely by AstraZeneca through the provision of an unconditional educational grant
Current state of antimicrobial stewardship in children’s hospital emergency departments
BACKGROUND Antimicrobial stewardship programs (ASPs) effectively optimize antibiotic use for inpatients; however, the extent of emergency department (ED) involvement in ASPs has not been described. OBJECTIVE To determine current ED involvement in children's hospital ASPs and to assess beliefs and preferred methods of implementation for ED-based ASPs. METHODS A cross-sectional survey of 37 children's hospitals participating in the Sharing Antimicrobial Resistance Practices collaboration was conducted. Surveys were distributed to ASP leaders and ED medical directors at each institution. Items assessed included beliefs regarding ED antibiotic prescribing, ED prescribing resources, ASP methods used in the ED such as clinical decision support and clinical care guidelines, ED participation in ASP activities, and preferred methods for ED-based ASP implementation. RESULTS A total of 36 ASP leaders (97.3%) and 32 ED directors (86.5%) responded; the overall response rate was 91.9%. Most ASP leaders (97.8%) and ED directors (93.7%) agreed that creation of ED-based ASPs was necessary. ED resources for antibiotic prescribing were obtained via the Internet or electronic health records (EHRs) for 29 hospitals (81.3%). The main ASP activities for the ED included production of antibiograms (77.8%) and creation of clinical care guidelines for pneumonia (83.3%). The ED was represented on 3 hospital ASP committees (8.3%). No hospital ASPs actively monitored outpatient ED prescribing. Most ASP leaders (77.8%) and ED directors (81.3%) preferred implementation of ED-based ASPs using clinical decision support integrated into the EHR. CONCLUSIONS Although ED involvement in ASPs is limited, both ASP and ED leaders believe that ED-based ASPs are necessary. Many children's hospitals have the capability to implement ED-based ASPs via the preferred method: EHR clinical decision support. Infect Control Hosp Epidemiol 2017;38:469-475
Novel Method of Measuring Electron Positron Colliding Beam Parameters
Through the simultaneous measurement of the transverse size as a function of
longitudinal position, and the longitudinal distribution of luminosity, we are
able to measure the (vertical envelope function at the collision
point), vertical emittance, and bunch length of colliding beams at the Cornell
Electron-positron Storage Ring (CESR). This measurement is possible due to the
significant ``hourglass'' effect at CESR and the excellent tracking resolution
of the CLEO detector.Comment: 11 pages, 4 figures, submitted to NIM
Enabling people, not completing tasks: patient perspectives on relationships and staff morale in mental health wards in England
BACKGROUND: Mental health inpatient wards are stressful places to work and concerns have been raised regarding quality of patient care and staff wellbeing on these wards. Recent research has suggested that robust support systems and conditions that allow staff to exercise professional autonomy in their clinical work result in better staff morale. Staff value having a voice in their organisations, and say that they would like more interaction with patients and processes to reduce violent incidents on wards. There has been little research into patients' views on staff morale and on how it may impact on their care. This study aimed to explore staff morale and staff-patient relationships from a patient perspective. METHODS: A qualitative investigation was conducted using purposive sampling to select seven inpatient wards in England representing various subspecialties. Semi-structured interviews were carried out with three patients on each ward. A thematic approach to analysis was used, supported by NVivo 10 software. RESULTS: Patients valued staff who worked together as a cohesive team, treated them as individuals, practised in a collaborative way and used enabling approaches to support their recovery. Participating patients described observing staff closely and feeling concerned at times about their well-being and the impact on them of stress and adverse incidents. They tended to perceive ward staff and patients as closely and reciprocally linked, with staff morale having a significant impact on patient well-being and vice versa. Some participants also described modifying their own behaviour because of concerns about staff well-being. Administrative duties, staff shortages and detrimental effects of violent incidents on the ward were seen as compromising staff members' ability to be involved with patients' lives and care. CONCLUSION: Patient views about the factors impacting on staff morale on inpatient wards are similar to those of staff in qualitative studies. Their accounts suggest that staff and patient morale should be seen as interlinked, suggesting there is scope for interventions to benefit both
Initial Results of a Silicon Sensor Irradiation Study for ILC Extreme Forward Calorimetry
Detectors proposed for the International Linear Collider (ILC) incorporate a
tungsten sampling calorimeter (`BeamCal') intended to reconstruct showers of
electrons, positrons and photons that emerge from the interaction point of the
collider with angles between 5 and 50 milliradians. For the innermost radius of
this calorimeter, radiation doses at shower-max are expected to reach 100 MRad
per year, primarily due to minimum-ionizing electrons and positrons that arise
in the induced electromagnetic showers of e+e- `beamstrahlung' pairs produced
in the ILC beam-beam interaction. However, radiation damage to calorimeter
sensors may be dominated by hadrons induced by nuclear interactions of shower
photons, which are much more likely to contribute to the non-ionizing energy
loss that has been observed to damage sensors exposed to hadronic radiation. We
report here on the results of SLAC Experiment T-506, for which several
different types of silicon diode sensors were exposed to doses of radiation
induced by showering electrons of energy 3.5-10.6 GeV. By embedding the sensor
under irradiation within a tungsten radiator, the exposure incorporated
hadronic species that would potentially contribute to the degradation of a
sensor mounted in a precision sampling calorimeter. Depending on sensor
technology, efficient charge collection was observed for doses as large as 220
MRad.Comment: Talk presented at the International Workshop on Future Linear
Colliders (LCWS13), Tokyo, Japan, 11-15 November 201
Autoimmune-autoinflammatory rheumatoid arthritis overlaps: a rare but potentially important subgroup of diseases
At the population level, rheumatoid arthritis (RA) is generally viewed as autoimmune in nature with a small subgroup of cases having a palindromic form or systemic autoinflammatory disorder (SAID) phenotype. Herein, we describe resistant cases of classical autoantibody associated RA that had clinical, genetic and therapeutic responses indicative of coexistent autoinflammatory disease. Five patients with clinically overlapping features between RA and SAID including polysynovitis and autoantibody/shared epitope positivity, and who had abrupt severe self-limiting attacks including fevers and serositis, are described. Mutations or single nucleotide polymorphisms in recognised autoinflammatory pathways were evident. Generally, these cases responded poorly to conventional Disease-modifying anti-rheumatic drugs (DMARD) treatment with some excellent responses to colchicine or interleukin 1 pathway blockade. A subgroup of RA cases have a mixed autoimmune-autoinflammatory phenotype and genotype with therapeutic implications
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