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BACKGROUND: Research is beginning to shed light on the practices employed by speech-language therapists (SLTs) for the management of acquired dysarthria. However, studies that explore SLTs' satisfaction with the effectiveness of current therapies and their interest in new treatment methods for this population have not been carried out. One potential new method is neuromuscular electrical stimulation (NMES): the pool of evidence for its use in rehabilitation is increasing, yet it has not been widely explored for use with dysarthria. AIM: To extend the understanding of acquired dysarthria management practices employed by SLTs across the globe and determine their satisfaction with current therapy options. To explore their interest in using NMES with this population. METHODS AND PROCEDURES: A cross-sectional international online survey was developed and disseminated to SLTs working with adults with acquired dysarthria through international professional associations. The survey collected information on demographic characteristics, dysarthria management practices, satisfaction with treatment effectiveness and interest in and knowledge of NMES. Survey responses were analysed using descriptive and inferential statistics, and quantitative content analysis. OUTCOMES AND RESULTS: A total of 211 SLTs (North America, 48.8%; Europe, 36%; Asia, 8.1%; Oceania, 5.7%; Africa, 0.9%; South America, 0.5%) completed the survey in full. Management practices varied considerably. There was a clear preference for informal assessments, mainly oral-motor examinations, focusing on body functions and structures. The majority of respondents rejected the use of non-speech oral motor exercises as a clinical or carryover exercise. Variable satisfaction with current speech subsystem treatments was noted; however, overall, there was a general dissatisfaction. Whilst a strong interest in the use of NMES for dysarthria was evidenced, it was noted that most SLTs lacked fundamental knowledge of NMES principles and application. CONCLUSION: SLTs' management practices and satisfaction with acquired dysarthria treatments differed substantially. Investigations of the potential use of NMES for dysarthria treatment are of interest. WHAT THIS PAPER ADDS: What is already known on the subject Recent country-specific surveys have explored speech-language therapists' (SLTs') assessment and intervention practices for acquired dysarthria. These studies indicate that although clinical management for this speech disorder mainly involves informal assessment tools and impairment-focused treatment, communication beyond the impairment, such as the activity and participation domains, is also frequently assessed and treated. What this paper adds to existing knowledge The majority of SLTs are dissatisfied with the overall benefits of current acquired dysarthria treatment. Phonatory, respiration and speech rate therapies are perceived to be more effective than prosody, articulation and resonance treatments. Despite a general lack of theoretical knowledge, most SLTs are interested in neuromuscular electrical stimulation treatment for acquired dysarthria. What are the potential or actual clinical implications of this work? New, evidence-based treatments are needed for SLTs to be confident in the effectiveness of their acquired dysarthria treatment.
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Disartria , Terapia da Linguagem , Adulto , Humanos , Disartria/terapia , Terapia da Linguagem/métodos , Fala , Estudos Transversais , Fonoterapia/métodos , InternacionalidadeRESUMO
OBJECTIVES: We aimed to determine whether changes in acute severe colitis (ASC) management have translated to improved outcomes and to develop a simple model predicting steroid non-response on admission. DESIGN: Outcomes of 131 adult ASC admissions (117 patients) in Oxford, UK between 2015 and 2019 were compared with data from 1992 to 1993. All patients received standard treatment with intravenous corticosteroids and endoscopic disease activity scoring (Ulcerative Colitis Endoscopic Index of Severity (UCEIS)). Steroid non-response was defined as receiving medical rescue therapy or surgery. A predictive model developed in the Oxford cohort was validated in Australia and India (Gold Coast University Hospital 2015-2020, n=110; All India Institute of Medical Sciences, New Delhi 2018-2020, n=62). RESULTS: In the 2015-2019 Oxford cohort, 15% required colectomy during admission vs 29% in 1992-1993 (p=0.033), while 71 (54%) patients received medical rescue therapy (27% ciclosporin, 27% anti-tumour necrosis factor, compared with 27% ciclosporin in 1992-1993 (p=0.0015). Admission C reactive protein (CRP) (false discovery rate, p=0.00066), albumin (0.0066) and UCEIS scores (0.015) predicted steroid non-response. A four-point model was developed involving CRP of ≥100 mg/L (one point), albumin of ≤25 g/L (one point), and UCEIS score of ≥4 (1 point) or ≥7 (2 points). Patients scoring 0, 1, 2, 3 and 4 in the validation cohorts had steroid response rates of 100, 75.0%, 54.9%, 18.2% and 0%, respectively. Scoring of ≥3 was 84% (95% CI 0.70 to 0.98) predictive of steroid failure (OR 11.9, 95% CI 10.8 to 13.0). Colectomy rates in the validation cohorts were were 8%-11%. CONCLUSIONS: Emergency colectomy rates for ASC have halved in 25 years to 8%-15% worldwide. Patients who will not respond to corticosteroids are readily identified on admission and may be prioritised for early intensification of therapy.
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Produtos Biológicos , Colite Ulcerativa , Colite , Adulto , Humanos , Prognóstico , Ciclosporina/uso terapêutico , Produtos Biológicos/uso terapêutico , Colite Ulcerativa/tratamento farmacológico , Corticosteroides/uso terapêutico , Esteroides/uso terapêutico , Proteína C-Reativa/metabolismo , Colite/tratamento farmacológico , Albuminas/uso terapêutico , Índice de Gravidade de Doença , Colectomia , Resultado do Tratamento , Estudos RetrospectivosRESUMO
BACKGROUND & AIMS: Artificial intelligence (AI) may detect colorectal polyps that have been missed due to perceptual pitfalls. By reducing such miss rate, AI may increase the detection of colorectal neoplasia leading to a higher degree of colorectal cancer (CRC) prevention. METHODS: Patients undergoing CRC screening or surveillance were enrolled in 8 centers (Italy, UK, US), and randomized (1:1) to undergo 2 same-day, back-to-back colonoscopies with or without AI (deep learning computer aided diagnosis endoscopy) in 2 different arms, namely AI followed by colonoscopy without AI or vice-versa. Adenoma miss rate (AMR) was calculated as the number of histologically verified lesions detected at second colonoscopy divided by the total number of lesions detected at first and second colonoscopy. Mean number of lesions detected in the second colonoscopy and proportion of false negative subjects (no lesion at first colonoscopy and at least 1 at second) were calculated. Odds ratios (ORs) and 95% confidence intervals (CIs) were adjusted by endoscopist, age, sex, and indication for colonoscopy. Adverse events were also measured. RESULTS: A total of 230 subjects (116 AI first, 114 standard colonoscopy first) were included in the study analysis. AMR was 15.5% (38 of 246) and 32.4% (80 of 247) in the arm with AI and non-AI colonoscopy first, respectively (adjusted OR, 0.38; 95% CI, 0.23-0.62). In detail, AMR was lower for AI first for the ≤5 mm (15.9% vs 35.8%; OR, 0.34; 95% CI, 0.21-0.55) and nonpolypoid lesions (16.8% vs 45.8%; OR, 0.24; 95% CI, 0.13-0.43), and it was lower both in the proximal (18.3% vs 32.5%; OR, 0.46; 95% CI, 0.26-0.78) and distal colon (10.8% vs 32.1%; OR, 0.25; 95% CI, 0.11-0.57). Mean number of adenomas at second colonoscopy was lower in the AI-first group as compared with non-AI colonoscopy first (0.33 ± 0.63 vs 0.70 ± 0.97, P < .001). False negative rates were 6.8% (3 of 44 patients) and 29.6% (13 of 44) in the AI and non-AI first arms, respectively (OR, 0.17; 95% CI, 0.05-0.67). No difference in the rate of adverse events was found between the 2 groups. CONCLUSIONS: AI resulted in an approximately 2-fold reduction in miss rate of colorectal neoplasia, supporting AI-benefit in reducing perceptual errors for small and subtle lesions at standard colonoscopy. CLINICALTRIALS: gov, Number: NCT03954548.
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Adenoma , Pólipos do Colo , Neoplasias Colorretais , Adenoma/diagnóstico por imagem , Adenoma/patologia , Inteligência Artificial , Pólipos do Colo/diagnóstico por imagem , Pólipos do Colo/patologia , Colonoscopia/métodos , Neoplasias Colorretais/diagnóstico por imagem , Neoplasias Colorretais/epidemiologia , Detecção Precoce de Câncer/métodos , HumanosRESUMO
BACKGROUND: In order to conduct research that is meaningful to speech and language therapy services and their patients, it is often desirable to conduct the research within routine clinical services. This can require considerable time and commitment from speech and language therapists (SLTs). It is therefore important to understand the impact that such participation in research can have. AIMS: To explore the impact of research participation in the Big CACTUS study of self-managed computerized aphasia therapy conducted in 21 UK NHS speech and language therapy departments. METHODS & PROCEDURES: An online survey was sent to SLTs who took the lead role for the study at their NHS Trust to evaluate the impact of study participation in three domains: capacity-building, research development and health services. The questionnaire, based on the VICTOR framework for evaluating research impact, included Likert scale statements and closed and open-ended questions. The results from open-ended questions were coded and analysed using framework analysis in NVivo 12 and the data from closed questions were analysed descriptively. OUTCOMES & RESULTS: A total of 12 SLTs returned the survey. Nine codes were identified from open-ended questions and 20 predefined from the literature. Analysis of the responses demonstrated the perceived impact including improvements in practices and access to therapy, investments in infrastructure, increased SLT profile, and impact on research culture among SLTs. The usefulness of the intervention during the COVID-19 pandemic was also highlighted. CONCLUSIONS & IMPLICATIONS: The results suggest participation in Big CACTUS has resulted in improvements in patient care and SLT research capacity and culture in speech and language therapy departments. WHAT THIS PAPER ADDS: What is already known on the subject Practice-based research is encouraged to assist with the clinical relevance of the research findings. Participation in research can be seen as an activity that is additional to the core business of patient care and it can be difficult to secure time to participate or conduct research in clinical settings. Impact evaluation initiatives of individual trials facilitate early identification of benefits beyond the trial. What this paper adds to existing knowledge This study describes specific examples of the impact on services, staff and patients from SLT participation and leadership in the Big CACTUS speech and language therapy trial in clinical settings. What are the potential or actual clinical implications of this study? Clinical services participating in research may benefit from improved clinical care for patients both during and after the study, an improved professional reputation, and increased research capacity and culture within the clinical settings.
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Afasia , COVID-19 , Autogestão , Humanos , Terapia da Linguagem/métodos , Fala , Pandemias , Fonoterapia/métodos , Afasia/terapiaRESUMO
Despite remarkable progress in DNA sequencing technologies there remains a trade-off between short-read platforms, having limited ability to sequence homopolymers, repeated motifs or long-range structural variation, and long-read platforms, which tend to have lower accuracy and/or throughput. Moreover, current methods do not allow direct readout of epigenetic modifications from a single read. With the aim of addressing these limitations, we have developed an optical electrowetting sequencing platform that uses step-wise nucleotide triphosphate (dNTP) release, capture and detection in microdroplets from single DNA molecules. Each microdroplet serves as a reaction vessel that identifies an individual dNTP based on a robust fluorescence signal, with the detection chemistry extended to enable detection of 5-methylcytosine. Our platform uses small reagent volumes and inexpensive equipment, paving the way to cost-effective single-molecule DNA sequencing, capable of handling widely varying GC-bias, and demonstrating direct detection of epigenetic modifications.
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DNA/genética , Sequenciamento de Nucleotídeos em Larga Escala , Análise de Sequência de DNA/métodos , Imagem Individual de Molécula , Composição de Bases/genética , Humanos , Nanotecnologia , Nucleotídeos/genéticaRESUMO
The COVID-19 pandemic has had a significant impact on the lives of graduate student workers within university settings. At a large Midwestern private university, a Psychology Graduate Student Association (PsychGSA) identified that, in response to the pandemic, different levels of accommodations were being provided by faculty to graduate students. The PsychGSA conducted an evaluative survey that captured the experiences of 50 graduate students in the psychology department. The results highlight the inequitable challenges graduate students are currently facing. Recommendations to faculty to appropriately accommodate students during this unprecedented time, and beyond, are reported.
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COVID-19 , Pandemias , Humanos , Estudantes , Universidades , Carga de TrabalhoRESUMO
The aim of this study was to assess college students' food and housing insecurity risk amidst the pandemic. Data were collected through an online survey in the summer of 2020 from 1956 graduate and undergraduate students attending a large, private, urban university in the Midwest, U.S. Food insecurity among students increased (25% before; 29% during COVID) with housing insecurity staying roughly the same (34% before; 36% during COVID). Results indicate certain student groups were at greater risk of basic needs insecurity during the pandemic compared to their counterparts. Results also suggest changes in food and housing insecurity trends. College students are burdened with basic needs insecurity, exacerbated during the pandemic. Institutions need to work toward solutions to address the needs of vulnerable populations disproportionately affected by basic needs insecurity. Recommendations on addressing the basic needs of college students are also provided.
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COVID-19 , Abastecimento de Alimentos , Instabilidade Habitacional , Humanos , Pandemias , EstudantesRESUMO
A new approach to single-molecule DNA sequencing in which dNTPs, released by pyrophosphorolysis from the strand to be sequenced, are captured in microdroplets and read directly could have substantial advantages over current sequence-by-synthesis methods; however, there is no existing method sensitive enough to detect a single nucleotide in a microdroplet. We have developed a method for dNTP detection based on an enzymatic two-stage reaction which produces a robust fluorescent signal that is easy to detect and process. By taking advantage of the inherent specificity of DNA polymerases and ligases, coupled with volume restriction in microdroplets, this method allows us to simultaneously detect the presence of and distinguish between, the four natural dNTPs at the single-molecule level, with negligible cross-talk.
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Desoxirribonucleotídeos/análise , Sequenciamento de Nucleotídeos em Larga Escala/métodos , Análise de Sequência de DNA/métodos , DNA Polimerase Dirigida por DNA/metabolismo , Desoxirribonucleosídeos/química , Desoxirribonucleotídeos/química , Limite de Detecção , Microscopia de Fluorescência , Oligodesoxirribonucleotídeos/biossíntese , Oligodesoxirribonucleotídeos/química , Sensibilidade e EspecificidadeRESUMO
OBJECTIVE: To examine the cost-effectiveness of self-managed computerised word finding therapy as an add-on to usual care for people with aphasia post-stroke. DESIGN: Cost-effectiveness modelling over a life-time period, taking a UK National Health Service (NHS) and personal social service perspective. SETTING: Based on the Big CACTUS randomised controlled trial, conducted in 21 UK NHS speech and language therapy departments. PARTICIPANTS: Big CACTUS included 278 people with long-standing aphasia post-stroke. INTERVENTIONS: Computerised word finding therapy plus usual care; usual care alone; usual care plus attention control. MAIN MEASURES: Incremental cost-effectiveness ratios (ICER) were calculated, comparing the cost per quality adjusted life year (QALY) gained for each intervention. Credible intervals (CrI) for costs and QALYs, and probabilities of cost-effectiveness, were obtained using probabilistic sensitivity analysis. Subgroup and scenario analyses investigated cost-effectiveness in different subsets of the population, and the sensitivity of results to key model inputs. RESULTS: Adding computerised word finding therapy to usual care had an ICER of £42,686 per QALY gained compared with usual care alone (incremental QALY gain: 0.02 per patient (95% CrI: -0.05 to 0.10); incremental costs: £732.73 per patient (95% CrI: £674.23 to £798.05)). ICERs for subgroups with mild or moderate word finding difficulties were £22,371 and £21,262 per QALY gained respectively. CONCLUSION: Computerised word finding therapy represents a low cost add-on to usual care, but QALY gains and estimates of cost-effectiveness are uncertain. Computerised therapy is more likely to be cost-effective for people with mild or moderate, as opposed to severe, word finding difficulties.
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Afasia/reabilitação , Terapia da Linguagem/economia , Autogestão/economia , Acidente Vascular Cerebral/complicações , Terapia Assistida por Computador/economia , Afasia/etiologia , Doença Crônica , Análise Custo-Benefício , Humanos , Anos de Vida Ajustados por Qualidade de Vida , Medicina Estatal , Acidente Vascular Cerebral/terapia , Reino UnidoRESUMO
BACKGROUND: Healthcare professionals without specialist training in communication disorders may not know how to identify and support patients with communication disabilities during mental capacity assessments. To meet this need, a novel communication screening tool was developed and tested as part of a mental capacity assessment support toolkit. AIMS: To provide an initial evaluation of the communication screening tool's usability, interrater reliability and criterion validity. METHODS & PROCEDURES: A prototype communication screening tool was developed iteratively using co-production and user-centred design principles. A mixed-methods case series design was used to explore how multidisciplinary healthcare professionals used the tool to test patients in acute hospital and intermediate care settings. Usability data were collected in an electronic survey and from a documentary analysis. Screening test outcomes obtained by pairs of professionals were compared to measure the tool's interrater reliability. Outcomes obtained by professionals were compared with the outcomes of a speech and language therapist's communication assessment to measure criterion validity. Quantitative data were analysed using frequency counts and inferential statistics. Qualitative data were analysed using framework analysis. OUTCOMES & RESULTS: A total of 21 professionals, including physicians, nurses, occupational therapists, physiotherapists, and speech and language therapists, and 17 patients with diagnoses of stroke or cognitive impairment took part. Professionals reported they found the tool easy to use, useful and that its use increased their understanding of communication support methods and the speech and language therapist role in relation to mental capacity assessment. However, not all used it consistently or accurately. Professionals reported they chose not to use the tool when they perceived patients' communication to be intact. Four of eight patients with a diagnosis of dementia or memory impairment, who professionals elected not to screen, were found to have significant communication needs. Screening outcome data for nine patients suggest the tool's interrater reliability is currently moderate, whilst its criterion validity is poor. CONCLUSIONS & IMPLICATIONS: This study highlights that non-speech and language therapist health professionals have difficulty identifying and screening for communication difficulties. This confirms existing evidence that people with communication disabilities may not receive the decision-making support they require during mental capacity assessments when speech and language therapists are not involved. Greater understanding of health professionals' thought processes regarding communication is required to further develop this unique communication screening tool so that it can effectively enable healthcare professionals to identify and use communicative adaptations to support decision-making. What this paper adds What is already known on this subject Limited previous research suggests that assessing the mental capacity of people with communication disabilities is complex. Practice needs to be improved to ensure this group is adequately supported to make decisions, in line with legal requirements. What this paper adds to existing knowledge This paper describes the development and testing of a novel communication screening tool for use by healthcare professionals preparing to undertake mental capacity assessments. It increases our understanding of how healthcare professionals without specialist training understand communication disability and the role of the speech and language therapist in relation to mental capacity assessment. What are the potential or actual clinical implications of this work? Healthcare professionals without specialist training require support to understand and respond to the needs of people with communication disabilities during mental capacity assessments. With further development and testing, in response to initial evaluation, this novel communication screening tool may be able to provide this support.
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Transtornos da Comunicação , Acidente Vascular Cerebral , Comunicação , Transtornos da Comunicação/diagnóstico , Humanos , Terapia da Linguagem , Reprodutibilidade dos Testes , FonoterapiaRESUMO
The current mixed-method study examined the role of natural mentors in the cyclical process of college students' sociopolitical development, particularly their critical consciousness. College students (N = 145) completed surveys at two time points over a one-year period. Path analyses indicated that critical action and perceived inequalities were significantly associated with more social justice conversations with mentors and that having more social justice conversations with mentors was significantly associated with more critical action and perceived inequality. Further, mentoring conversations and sociopolitical efficacy helped to explain the positive role of perceived inequality and action on later attitudes around perceived inequalities and critical action. Qualitative one-on-one interviews of a subset of participants (n = 30) expanded findings from the quantitative data and revealed detailed information about how mentors supported youth critical consciousness. Specifically, mentors engaged in 1) dialogue and reflection, 2) information and resource sharing, 3) nonjudgmental, comfortable conversations, and 4) role modeling. Findings inform the iterative nature of critical consciousness and on how older adolescents leverage support from natural mentors in this process.
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Tutoria , Mentores , Adolescente , Estado de Consciência , Humanos , Estudantes , Inquéritos e QuestionáriosRESUMO
Engendering electrical conductivity in otherwise insulating metal-organic framework (MOF) materials is key to rendering these materials fully functional for a range of potential applications, including electrochemical and photo-electrochemical catalysis. Here we report that the platform MOF, NU-1000, can be made electrically conductive via reversible electrochemical oxidation of a fraction of the framework's tetraphenylpyrene linkers, where the basis for conduction is redox hopping. At a microscopic level, redox hopping is akin to electron self-exchange and is describable by Marcus' well-known theory of electron transfer. At a macroscopic level, the hopping behavior leads to diffusive charge transport and is quantifiable as an apparent diffusion coefficient, Dhopping. Theory suggests that the csq topology of NU-1000, together with its characteristic one-dimensional mesopores, will result in direction-dependent, that is, anisotropic, electrical conductivity. Detailed computations suggest that the governing factor is the strength of electronic coupling between pairs of linkers sited in the a,b plane of the MOF versus the mesopore-aligned c axis of the crystal. The notion has been put to the test experimentally by configuring the MOF as an array of selectively oriented, electrode-supported crystallites, where the rodlike crystallites are either oriented largely normal to the electrode (requiring redox hopping along the c direction) or mainly parallel (requiring redox hopping mainly through the a,b plane). The orientations are preselected by preparing MOF films either via interfacial solvothermal synthesis or via electrophoretic deposition. In semiquantitative accord with computational predictions, Dhopping is up to â¼3500 times larger in the c direction than through the a,b plane. In addition to their fundamental significance, the findings have clear implications for the design and optimization of MOFs for electrocatalysis and for other applications that rely upon electrical conductivity.
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Atomic layer deposition is employed to install nickel oxide into NU-1000. Upon heating to 900 °C under nitrogen, a carbon material containing ZrO2 and Ni is formed. In notable contrast to the parent metal-organic framework, the pyrolyzed material is: (a) stable in highly alkaline solutions (typical conditions for water electro-oxidation) and (b) electrically conductive and thus able to deliver oxidizing equivalents (holes) to catalytic sites located far from the underlying conductive-glass electrode. The pyrolysis-derived material was characterized and its electrocatalytic activity for oxygen evolution was investigated.
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Here, we describe the installation of a ferrocene derivative on and within the archetypal metal-organic framework (MOF), UiO-66, by solvent-assisted ligand incorporation. Thin films of the resulting material show a redox peak characteristic of the Fc/Fc+ couple, as measured by cyclic voltammetry. Consistent with restriction of redox reactivity solely to Fc molecules sited at or near the external surfaces of MOF crystallites, chronoamperometry measurements indicate that less than 20% of the installed Fc molecules are electrochemically active. Charge-transport diffusion coefficients, DCT, of 6.1 ± 0.8 × 10-11 and 2.6 ± 0.2 × 10-9 cm2/s were determined from potential step measurements, stepping oxidatively and reductively, respectively. The 40-fold difference in DCT values contrasts with the expectation, for simple systems, of identical values for oxidation-driven versus reduction-driven charge transport. The findings have implications for the design of MOFs suitable for delivery of redox equivalents to framework-immobilized electrocatalysts and/or delivery of charges from a chromophoric MOF film to an underlying electrode, processes that may be central to MOF-facilitated conversion of solar energy to chemical or electrical energy.
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OBJECTIVE: To identify why the National Clinical Guideline recommendation of 45 minutes of each appropriate therapy daily is not met in many English stroke units. DESIGN: Mixed-methods case-study evaluation, including modified process mapping, non-participant observations of service organisation and therapy delivery, documentary analysis and semi-structured interviews. SETTING: Eight stroke units in four English regions. SUBJECTS: Seventy-seven patients with stroke, 53 carers and 197 stroke unit staff were observed; 49 patients, 50 carers and 131 staff participants were interviewed. RESULTS: Over 1000 hours of non-participant observations and 433 patient-specific therapy observations were undertaken. The most significant factor influencing amount and frequency of therapy provided was the time therapists routinely spent, individually and collectively, in information exchange. Patient factors, including fatigue and tolerance influenced therapists' decisions about frequency and intensity, typically resulting in adaptation of therapy rather than no provision. Limited use of individual patient therapy timetables was evident. Therapist staffing levels were associated with differences in therapy provision but were not the main determinant of intensity and frequency. Few therapists demonstrated understanding of the evidence underpinning recommendations for increased therapy frequency and intensity. Units delivering more therapy had undertaken patient-focused reorganisation of therapists' working practices, enabling them to provide therapy consistent with guideline recommendations. CONCLUSION: Time spent in information exchange impacted on therapy provision in stroke units. Reorganisation of therapists' work improved alignment with guidelines.
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Auditoria Clínica , Fidelidade a Diretrizes , Modalidades de Fisioterapia/estatística & dados numéricos , Reabilitação do Acidente Vascular Cerebral/estatística & dados numéricos , Idoso , Inglaterra/epidemiologia , Feminino , Unidades Hospitalares , Humanos , Masculino , Pessoa de Meia-Idade , Guias de Prática Clínica como AssuntoRESUMO
Endoscopic scoring systems in Crohn's disease and ulcerative colitis aim to translate the assessment of mucosal disease activity into a quantified value. This value seeks to provide a clear, objective record of the endoscopic mucosal severity, which can then be used to guide medical management decisions. The primary driver of all endoscopic indices, however, is to define a scale of responsiveness for therapeutic endpoints in clinical trials. Mucosal healing now has widespread acceptance as a therapeutic and clinical endpoint, but despite the development of multiple endoscopic scoring systems, the endoscopic definition has yet to be resolved. This review describes recent advances in endoscopic scoring systems for ulcerative colitis (Mayo Clinic endoscopy subscore, UCEIS, and UCCIS among others) and for Crohn's disease.
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Endoscopia Gastrointestinal/métodos , Doenças Inflamatórias Intestinais/diagnóstico , Colite Ulcerativa/diagnóstico , Doença de Crohn/diagnóstico , Humanos , Variações Dependentes do Observador , Índice de Gravidade de DoençaRESUMO
BACKGROUND: The process of obtaining informed consent from people with communication difficulties is challenging. An online survey was conducted to explore the experiences of stroke research staff in seeking consent from this population. OBJECTIVES: To identify how stroke research staff seek consent from people with communication difficulties, potential barriers to effective practice, and ways to improve practice. METHODS: All research staff working for the National Institute for Health Research Stroke Research Network in England were invited to complete an online questionnaire. Data were collected anonymously between March and June 2013. Quantitative data were analyzed using descriptive statistics, and qualitative data were coded using thematic analysis. RESULTS: Seventy-five research staff responded, corresponding to a response rate of 10%. There were 97% who had sought consent from people with communication difficulties and 52% did this regularly; 65% had received training in consenting this population. Most staff were aware of appropriate methods for supporting communication needs, but only 18% regularly used accessible information and 35% regularly used augmentative communication techniques. Lack of specific training and lack of access to ethically approved materials were suggested barriers to using these methods. Respondents indicated that people with impaired communication may be excluded from the consent process because they are not eligible for inclusion in studies or because assent is obtained from third parties. CONCLUSIONS: For research staff to work more effectively with this population, study protocols need to be more inclusive of people with communication difficulties, and staff need better access to ethically approved, accessible communication resources and appropriate training.
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Pesquisa Biomédica/estatística & dados numéricos , Transtornos da Comunicação/terapia , Pessoal de Saúde/estatística & dados numéricos , Consentimento Livre e Esclarecido/estatística & dados numéricos , Acidente Vascular Cerebral/terapia , Afasia/etiologia , Afasia/terapia , Transtornos da Comunicação/etiologia , Inglaterra , Pesquisas sobre Atenção à Saúde , Humanos , Acidente Vascular Cerebral/complicaçõesRESUMO
The archaeon Sulfolobus acidocaldarius has emerged as a promising thermophilic model system. Investigating how thermophiles adapt to changing temperatures is a key requirement, not only for understanding fundamental evolutionary processes but also for developing S. acidocaldarius as a chassis for bioengineering. One major obstacle to conducting experimental evolution with thermophiles is the expense of equipment maintenance and energy usage of traditional incubators for high-temperature growth. To address this challenge, a comprehensive experimental protocol for conducting experimental evolution in S. acidocaldarius is presented, utilizing low-cost and energy-efficient bench-top thermomixers. The protocol involves a batch culture technique with relatively small volumes (1.5 mL), enabling tracking of adaptation in multiple independent lineages. This method is easily scalable through the use of additional thermomixers. Such an approach increases the accessibility of S. acidocaldarius as a model system by reducing both initial investment and ongoing costs associated with experimental investigations. Moreover, the technique is transferable to other microbial systems for exploring adaptation to diverse environmental conditions.