2,338 research outputs found

    Developing a group intervention to manage fatigue in rheumatoid arthritis through modifying physical activity

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    © 2019 The Author(s). Background: Fatigue is a major symptom of rheumatoid arthritis (RA). There is some evidence that physical activity (PA) may be effective in reducing RA fatigue. However, few PA interventions have been designed to manage fatigue and there is limited evidence of end-user input into intervention development. The aim of this research was to co-design an intervention to support self-management of RA fatigue through modifying PA. Methods: A series of studies used mixed methodological approaches to co-design a fatigue management intervention focused on modifying PA based on UK Medical Research Council guidance, and informed by the Behaviour Change Wheel theoretical framework. Development was based on existing evidence, preferences of RA patients and rheumatology healthcare professionals, and practical issues regarding intervention format, content and implementation. Results: The resulting group-based intervention consists of seven sessions delivered by a physiotherapist over 12 weeks. Each session includes an education and discussion session followed by supervised PA chosen by the participant. The intervention is designed to support modification and maintenance of PA as a means of managing fatigue. This is underpinned by evidence-based behaviour change techniques that might support changes in PA behaviour. Intervention delivery is interactive and aims to enhance capability, opportunity and motivation for PA. Conclusion: This study outlines stages in the systematic development of a theory-based intervention designed through consultation with RA patients and healthcare professionals to reduce the impact of RA fatigue. The feasibility of future evaluation of the intervention should now be determined

    Adaptation and implementation of a shared decision-making tool from one health context to another: Partnership approach using mixed methods

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    Background: Osteoarthritis is a leading cause of pain and disability. Knee osteoarthritis accounts for nearly four-fifths of the burden of osteoarthritis internationally, and 10% of adults in the United Kingdom have the condition. Shared decision-making (SDM) supports patients to make more informed choices about treatment and care while reducing inequities in access to treatment. We evaluated the experience of a team adapting an SDM tool for knee osteoarthritis and the tool's implementation potential within a local clinical commissioning group (CCG) area in southwest England. The tool aims to prepare patients and clinicians for SDM by providing evidence-based information about treatment options relevant to disease stage. Objective: This study aimed to explore the experiences of a team adapting an SDM tool from one health context to another and the implementation potential of the tool in the local CCG area. Methods: A partnership approach using mixed methods was used to respond to recruitment challenges and ensure that study aims could be addressed within time restrictions. A web-based survey was used to obtain clinicians' feedback on experiences of using the SDM tool. Qualitative interviews were conducted by telephone or video call with a sample of stakeholders involved in adapting and implementing the tool in the local CCG area. Survey findings were summarized as frequencies and percentages. Content analysis was conducted on qualitative data using framework analysis, and data were mapped directly to the Theoretical Domains Framework (TDF). Results: Overall, 23 clinicians completed the survey, including first-contact physiotherapists (11/23, 48%), physiotherapists (7/23, 30%), specialist physiotherapists (4/23, 17%), and a general practitioner (1/23, 4%). Eight stakeholders involved in commissioning, adapting, and implementing the SDM tool were interviewed. Participants described barriers and facilitators to the adaptation, implementation, and use of the tool. Barriers included a lack of organizational culture that supported and resourced SDM, lack of clinician buy-in and awareness of the tool, challenges with accessibility and usability, and lack of adaptation for underserved communities. Facilitators included the influence of clinical leaders' belief that SDM tools can improve patient outcomes and National Health Service resource use, clinicians' positive experiences of using the tool, and improving awareness of the tool. Themes were mapped to 13 of the 14 TDF domains. Usability issues were described, which did not map to the TDF domains. Conclusions: This study highlights barriers and facilitators to adapting and implementing tools from one health context to another. We recommend that tools selected for adaptation should have a strong evidence base, including evidence of effectiveness and acceptability in the original context. Legal advice should be sought regarding intellectual property early in the project. Existing guidance for developing and adapting interventions should be used. Co-design methods should be applied to improve adapted tools' accessibility and acceptability

    Promoting engagement in physical activity in early rheumatoid arthritis: A proof‐of‐concept intervention study

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    Objective(s): The aim of this study is to test the feasibility and acceptability of promoting engagement in physical activity in early rheumatoid arthritis (PEPA-RA) to inform a future trial.Design: A ‘proof of concept’ study was carried out.Setting: This study was conducted in community hospitals delivered by musculoskeletal primary care physiotherapists.Participants: Participants were 12 adults with rheumatoid arthritis (RA) diagnosed 6–24 months previously (nine females, three males; mean age 58 years, range 23–79).Intervention: The intervention consisted of five sessions, that is, four group sessions and one individual session facilitated by a physiotherapist over 12 weeks including patient education and support for behaviour change as well as supervised practical exercise.Main outcomes: The main outcomes were attendance, completion of outcome measures, adverse events, and participant and physiotherapist feedback views relating to the intervention.Results: Overall attendance was 85%, with sessions missed due to illness or RA flare. Outcome measure completion ranged from 83% to 100%. There were no clinically meaningful changes in pain or function at 12 weeks, but mean 6-min walk distance improved from 394 to 440m. No serious adverse events were reported, and participantswere generally positive about the intervention. Suggested minor modifications for the group sessions included venue accessibility and ensuring that physical activity time was protected. Several participants indicated that they would have liked to receive the intervention earlier following diagnosis.Conclusions: PEPA-RA and the outcomes appear feasible and acceptable. Overall, small beneficial effects were noted at 12 weeks for most outcomes. Challenges to recruitment resulted in a smaller than anticipated sample size, and the majority of participants were active at baseline indicating that future recruitment needs to targetless active individuals

    Fibromyalgia self‐management: Mapping the behaviour change techniques used in a practice‐based programme

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    Background: Fibromyalgia (FM) is a complex long-term condition associated with pain, fatigue and concentration difficulties. There is limited robust evidence for the effectiveness of pharmacological treatments for FM, with current guidelines recommending nonpharmacological interventions. The clinically developed Fibromyalgia Self-Management Programme (FSMP) is a nonpharmacological, multidisciplinary education group intervention. The FSMP aims to provide condition-specific, patient-centred education and exercise advice, supporting the development of core self-management skills. This research aimed to map the FSMP to a recommended behaviour change taxonomy (BCT). Methods: Non-participatory observations of the 4- and 6-week FSMP were conducted. Detailed notes on the content of the course, therapist delivery and any additional content not included in the manual were recorded. Subsequently, semistructured interviews were conducted with both therapists (n = 4) and patients (n = 9). Observation and a review of the FSMP manual data were deductively coded to the BCT. Interview data were added to the framework. Results: The review of the FSMP manual and observations of the course showed that the programme coded onto 12 of the 16 BCT domains, encompassing 22 behaviour change techniques. Both patient and therapist interviews indicated that patients made positive changes, including increased activity levels, pacing, better quality sleep and improved communication with family members. Patients reported improvements to symptoms as a result of attending the course. Conclusions: The FSMP utilises a range of behaviour change techniques. Patients who attend the course feel supported to make changes to their behaviour, enabling them to manage their symptoms more effectively

    The Lick AGN Monitoring Project: Reverberation Mapping of Optical Hydrogen and Helium Recombination Lines

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    We have recently completed a 64-night spectroscopic monitoring campaign at the Lick Observatory 3-m Shane telescope with the aim of measuring the masses of the black holes in 12 nearby (z < 0.05) Seyfert 1 galaxies with expected masses in the range ~10^6-10^7M_sun and also the well-studied nearby active galactic nucleus (AGN) NGC 5548. Nine of the objects in the sample (including NGC 5548) showed optical variability of sufficient strength during the monitoring campaign to allow for a time lag to be measured between the continuum fluctuations and the response to these fluctuations in the broad Hbeta emission, which we have previously reported. We present here the light curves for the Halpha, Hgamma, HeII 4686, and HeI 5876 emission lines and the time lags for the emission-line responses relative to changes in the continuum flux. Combining each emission-line time lag with the measured width of the line in the variable part of the spectrum, we determine a virial mass of the central supermassive black hole from several independent emission lines. We find that the masses are generally consistent within the uncertainties. The time-lag response as a function of velocity across the Balmer line profiles is examined for six of the AGNs. Finally we compare several trends seen in the dataset against the predictions from photoionization calculations as presented by Korista & Goad. We confirm several of their predictions, including an increase in responsivity and a decrease in the mean time lag as the excitation and ionization level for the species increases. Further confirmation of photoionization predictions for broad-line gas behavior will require additional monitoring programs for these AGNs while they are in different luminosity states. [abridged]Comment: 37 pages, 18 figures and 15 tables, accepted for publication in the Astrophysical Journa

    A feasibility randomised controlled trial of a fibromyalgia self-management programme in a community setting with a nested qualitative study (FALCON): Study protocol

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    Background: Fibromyalgia (FM) is a complex long-term condition associated with chronic widespread pain, fatigue, sleep problems, memory and concentration difficulties and irritable bowel syndrome. Current guidelines for the treatment of FM recommend nonpharmacological interventions. The Fibromyalgia Self-Management Programme (FSMP) is a nonpharmacological, multidisciplinary exercise and education group intervention. It aims to provide education and teach core skills, enabling those affected by FM to self-manage. The FSMP is currently codelivered by a multidisciplinary team within a secondary care service. The aim of this feasibility randomised controlled trial (RCT) is to determine the practicality and acceptability of delivering the FSMP in a community setting, informing a future RCT of effectiveness. Methods: The feasibility RCT aims to recruit 70 people with FM. Participants will be randomised to either a community FSMP or control arm. All participants will be asked to complete six patient-reported outcome measures and one health economics questionnaire on three occasions; baseline, 6 weeks (end of the intervention) and 6 months. Between 12 and 16 participants and four therapists delivering the FSMP will be invited to take part in a semi-structured interview to explore their experiences of the FSMP. Patient participants will be purposively selected based upon key characteristics. Analysis: Quantitative data will be analysed descriptively to summarise recruitment and attendance, participant reported outcomes and health economic data. Semi-structured interviews will be transcribed, anonymised and inductively coded. The codes will be grouped into categories and theoretically thematically analysed, comparing the results to existing literature. Trial registration: The trial is registered with ISRCTN registry and was assigned on 29th of April 2020. The registration number is ISRCTN10824225

    The Lick AGN Monitoring Project: Broad-Line Region Radii and Black Hole Masses from Reverberation Mapping of Hbeta

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    We have recently completed a 64-night spectroscopic monitoring campaign at the Lick Observatory 3-m Shane telescope with the aim of measuring the masses of the black holes in 12 nearby (z < 0.05) Seyfert 1 galaxies with expected masses in the range ~10^6-10^7 M_sun and also the well-studied nearby active galactic nucleus (AGN) NGC 5548. Nine of the objects in the sample (including NGC 5548) showed optical variability of sufficient strength during the monitoring campaign to allow for a time lag to be measured between the continuum fluctuations and the response to these fluctuations in the broad Hbeta emission. We present here the light curves for the objects in this sample and the subsequent Hbeta time lags for the nine objects where these measurements were possible. The Hbeta lag time is directly related to the size of the broad-line region, and by combining the lag time with the measured width of the Hbeta emission line in the variable part of the spectrum, we determine the virial mass of the central supermassive black hole in these nine AGNs. The absolute calibration of the black hole masses is based on the normalization derived by Onken et al. We also examine the time lag response as a function of velocity across the Hbeta line profile for six of the AGNs. The analysis of four leads to ambiguous results with relatively flat time lags as a function of velocity. However, SBS 1116+583A exhibits a symmetric time lag response around the line center reminiscent of simple models for circularly orbiting broad-line region (BLR) clouds, and Arp 151 shows an asymmetric profile that is most easily explained by a simple gravitational infall model. Further investigation will be necessary to fully understand the constraints placed on physical models of the BLR by the velocity-resolved response in these objects.Comment: 24 pages, 16 figures and 13 tables, submitted to Ap

    Development of evidence-based guidelines for the treatment and management of periprosthetic hip infection

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    AimsPeriprosthetic hip-joint infection is a multifaceted and highly detrimental outcome for patients and clinicians. The incidence of prosthetic joint infection reported within two years of primary hip arthroplasty ranges from 0.8% to 2.1%. Costs of treatment are over five-times greater in people with periprosthetic hip joint infection than in those with no infection. Currently, there are no national evidence-based guidelines for treatment and management of this condition to guide clinical practice or to inform clinical study design. The aim of this study is to develop guidelines based on evidence from the six-year INFection and ORthopaedic Management (INFORM) research programme.MethodsWe used a consensus process consisting of an evidence review to generate items for the guidelines and online consensus questionnaire and virtual face-to-face consensus meeting to draft the guidelines.ResultsThe consensus panel comprised 21 clinical experts in orthopaedics, primary care, rehabilitation, and healthcare commissioning. The final output from the consensus process was a 14-item guideline. The guidelines make recommendations regarding increased vigilance and monitoring of those at increased risk of infection; diagnosis including strategies to ensure the early recognition of prosthetic infection and referral to orthopaedic teams; treatment, including early use of DAIR and revision strategies; and postoperative management including appropriate physical and psychological support and antibiotic strategies.ConclusionWe believe the implementation of the INFORM guidelines will inform treatment protocols and clinical pathways to improve the treatment and management of periprosthetic hip infection.Cite this article: Bone Jt Open 2023;4(4):226–233

    Mechanisms involved in acquisition of blaNDM genes by IncA/C2 and IncFIIY plasmids

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    blaNDM genes confer carbapenem resistance and have been identified on transferable plasmids belonging to different incompatibility (Inc) groups. Here we present the complete sequences of four plasmids carrying a blaNDM gene, pKP1-NDM-1, pEC2-NDM-3, pECL3-NDM-1, and pEC4-NDM-6, from four clinical samples originating from four different patients. Different plasmids carry segments that align to different parts of the blaNDM region found on Acinetobacter plasmids. pKP1-NDM-1 and pEC2-NDM-3, from Klebsiella pneumoniae and Escherichia coli, respectively, were identified as type 1 IncA/C2 plasmids with almost identical backbones. Different regions carrying blaNDM are inserted in different locations in the antibiotic resistance island known as ARI-A, and ISCR1 may have been involved in the acquisition of blaNDM-3 by pEC2-NDM-3. pECL3-NDM-1 and pEC4-NDM-6, from Enterobacter cloacae and E. coli, respectively, have similar IncFIIY backbones, but different regions carrying blaNDM are found in different locations. Tn3-derived inverted-repeat transposable elements (TIME) appear to have been involved in the acquisition of blaNDM-6 by pEC4-NDM-6 and the rmtC 16S rRNA methylase gene by IncFIIY plasmids. Characterization of these plasmids further demonstrates that even very closely related plasmids may have acquired blaNDM genes by different mechanisms. These findings also illustrate the complex relationships between antimicrobial resistance genes, transposable elements, and plasmids and provide insights into the possible routes for transmission of blaNDM genes among species of the Enterobacteriaceae family

    The Lick AGN Monitoring Project: Photometric Light Curves and Optical Variability Characteristics

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    The Lick AGN Monitoring Project targeted 13 nearby Seyfert 1 galaxies with the intent of measuring the masses of their central black holes using reverberation mapping. The sample includes 12 galaxies selected to have black holes with masses roughly in the range 10^6-10^7 solar masses, as well as the well-studied AGN NGC 5548. In conjunction with a spectroscopic monitoring campaign, we obtained broad-band B and V images on most nights from 2008 February through 2008 May. The imaging observations were carried out by four telescopes: the 0.76-m Katzman Automatic Imaging Telescope (KAIT), the 2-m Multicolor Active Galactic Nuclei Monitoring (MAGNUM) telescope, the Palomar 60-in (1.5-m) telescope, and the 0.80-m Tenagra II telescope. Having well-sampled light curves over the course of a few months is useful for obtaining the broad-line reverberation lag and black hole mass, and also allows us to examine the characteristics of the continuum variability. In this paper, we discuss the observational methods and the photometric measurements, and present the AGN continuum light curves. We measure various variability characteristics of each of the light curves. We do not detect any evidence for a time lag between the B- and V-band variations, and we do not find significant color variations for the AGNs in our sample.Comment: 16 pages, 20 figures, 8 tables, accepted for publication in ApJ
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