1,340 research outputs found
Enhanced Economic Evaluation – Approach for a Holistic Evaluation of Factory Planning Variants
The building of a factory can be a strategic investment owing to its long service life. An evaluation that only focuses, for example, on payments for the building, the technical equipment of the factory, and the personnel for the enterprise is – considering the complexity of the system factory – not sufficient for this long-term view. The success of an investment is secured, among other things, by the attainment of nonmonetary goals, too, like transformability. Such aspects are not considered in traditional investment calculations like the net present value method. This paper closes this gap with the enhanced economic evaluation (EWR) for factory planning. The procedure and the first results of an application in a project are presented
Let It Out (LIO) study: protocol for a mixed-methods study to optimise the design and assess the feasibility of an online emotional disclosure-based intervention in UK hospices
INTRODUCTION: The current COVID-19 pandemic has forced hospices to look for more ways to support people remotely, including psychological support. Emotional disclosure-based interventions hold potential as a way of providing support remotely. However, evidence of their efficacy in people with terminal illness is mixed. Reviews have highlighted this may be due to interventions not being tailored to the unique needs of this population. In response to this, we are developing Let It Out (LIO), an online, self-guided emotional disclosure-based intervention tailored for people living with terminal illness. AIMS: The primary objective of the study is to optimise the design of the LIO intervention. Secondary objectives include assessing its acceptability and feasibility; exploring potential impact on well-being; identifying potential adverse effects; and informing choice of outcome measures for potential future evaluation. METHODS AND ANALYSIS: A single arm, mixed-methods, multisite, longitudinal study. Up to 40 people living with a terminal illness under the care of hospices in England and Scotland will receive the online LIO intervention. LIO consists of 3, self-guided expression sessions over 2 weeks. The primary outcome measures are (1) a structured feedback form completed by participants after the final expression session; and (2) semi-structured interviews and focus groups with ≤15 patient participants, ≤30 hospice staff and ≤15 informal carers. These quantitative and qualitative data will be triangulated via process evaluation to inform optimisation of the intervention design. Secondary outcome measures include validated measures of physical and psychological health collected at baseline and after the final expression session (immediately, 1, 4 and 8 weeks after); and data on recruitment, retention and fidelity. ETHICS AND DISSEMINATION: The study is approved by the University College London Research Ethics Committee (reference: 15281/002). The findings will be shared through peer-reviewed scientific journals and conferences, and traditional, online and social media platforms
Mu‐opioid antagonists for opioid‐induced bowel dysfunction in people with cancer and people receiving palliative care
BACKGROUND: Opioid-induced bowel dysfunction (OIBD) is characterised by constipation, incomplete evacuation, bloating, and gastric reflux. It is one of the major adverse events of treatment for pain in cancer and in palliative care, resulting in increased morbidity and reduced quality of life.
This is an update of two Cochrane reviews. One was published in 2011, Issue 1 on laxatives and methylnaltrexone for the management of constipation in people receiving palliative care; this was updated in 2015 and excluded methylnaltrexone. The other was published in 2008, Issue 4 on mu-opioid antagonists (MOA) for OIBD. In this updated review, we only included trials on MOA (including methylnaltrexone) for OIBD in people with cancer and people receiving palliative care.
OBJECTIVES: To assess the effectiveness and safety of MOA for OIBD in people with cancer and people receiving palliative care.
SEARCH METHODS: We searched the Cochrane Central Register of Controlled Trials, MEDLINE, Embase, CINAHL, and Web of Science to August 2017. We also searched clinical trial registries and regulatory websites. We contacted manufacturers of MOA to identify further data.
SELECTION CRITERIA: We included randomised controlled trials (RCTs) that assessed the effectiveness and safety of MOA for OIBD in people with cancer and people at a palliative stage irrespective of the type of terminal disease they experienced.
DATA COLLECTION AND ANALYSIS: Two review authors assessed risk of bias and extracted data. The appropriateness of combining data from the trials depended upon sufficient homogeneity across the trials. Our primary outcomes were laxation, impact on pain relief, and adverse events. Impact on pain relief was a primary outcome because a possible adverse effect of MOAs is a reduction in pain relief from opioids. We assessed the evidence on these outcomes using GRADE.
MAIN RESULTS: We identified four new trials for this update, bringing the total number included in this review to eight. In total, 1022 men and women with cancer irrespective of stage or at a palliative care stage of any disease were randomised across the trials. The MOAs evaluated were oral naldemedine and naloxone (alone or in combination with oxycodone), and subcutaneous methylnaltrexone. The trials compared with MOA with a placebo or with the active intervention administered at different doses or in combination with other drugs. The trial of naldemedine and the two of naloxone in combination with oxycodone were in people with cancer irrespective of disease stage. The trial on naloxone alone was in people with advanced cancer. The four trials on methylnaltrexone were undertaken in palliative care where most participants had cancer. All trials were vulnerable to biases; four were at a high risk as they involved a sample of fewer than 50 participants per arm.
In the trial of naldemedine compared to placebo in 225 participants, there were more spontaneous laxations over the two-week treatment for the intervention group (risk ratio (RR) 1.93, 95% confidence intervals (CI) 1.36 to 2.74; moderate-quality evidence). In comparison with higher doses, lower doses resulted in fewer spontaneous laxations (0.1 mg versus 0.2 mg: RR 0.73, 95% CI 0.55 to 0.95; 0.1 mg versus 0.4 mg: RR 0.69, 95% CI 0.53 to 0.89; moderate-quality evidence). There was moderate-quality evidence that naldemedine had no effect on opiate withdrawal. There were five serious adverse events. All were in people taking naldemedine (low-quality evidence). There was an increase in the occurrence of other (non-serious) adverse events in the naldemedine groups (RR 1.36, 95% CI 1.04 to 1.79, moderate-quality evidence). The most common adverse event was diarrhoea.
The trials on naloxone taken either on its own, or in combination with oxycodone (an opioid) compared to oxycodone only did not evaluate laxation response over the first two weeks of administration. There was very low-quality evidence that naloxone alone, and moderate-quality evidence that oxycodone/naloxone, had no effect on analgesia. There was low-quality evidence that oxycodone/naloxone did not increase the risk of serious adverse events and moderate-quality evidence that it did not increase risk of adverse events.
In combined analysis of two trials of 287 participants, we found methylnaltrexone compared to placebo induced more laxations within 24 hours (RR 2.77, 95% CI 1.91 to 4.04. I² = 0%; moderate-quality evidence). In combined analysis, we found methylnaltrexone induced more laxation responses over two weeks (RR 9.98, 95% CI 4.96 to 20.09. I² = 0%; moderate-quality evidence). The proportion of participants who had a rescue-free laxation response within 24 hours of the first dose was 59.1% in the methylnaltrexone arms and 19.1% in the placebo arm. There was moderate-quality evidence that the rate of opioid withdrawal was not affected. Methylnaltrexone did not increase the likelihood of a serious adverse event; there were fewer in the intervention arm (RR 0.59, 95% CI 0.38 to 0.93; I² = 0%; moderate-quality evidence). There was no difference in the proportion of participants experiencing an adverse event (RR 1.17, 95% CI 0.94 to 1.45; I² = 74%; low-quality evidence). Methylnaltrexone increased the likelihood of abdominal pain and flatulence.
Two trials compared differing methylnaltrexone schedules of higher doses with lower doses. For early laxation, there was low-quality evidence of no clear difference between doses on analgesia and adverse events. Both trials measured laxation response within 24 hours of first dose (trial one: RR 0.82, 95% CI 0.41 to 1.66; trial two: RR 1.07, 95% CI 0.81 to 1.42).
AUTHOR'S CONCLUSIONS: In this update, the conclusions for naldemedine are new. There is moderate-quality evidence to suggest that, taken orally, naldemedine improves bowel function over two weeks in people with cancer and OIBD but increases the risk of adverse events. The conclusions on naloxone and methylnaltrexone have not changed. The trials on naloxone did not assess laxation at 24 hours or over two weeks. There is moderate-quality evidence that methylnaltrexone improves bowel function in people receiving palliative care in the short term and over two weeks, and low-quality evidence that it does not increase adverse events. There is a need for more trials including more evaluation of adverse events. None of the current trials evaluated effects in children
The placebo response in trials of drug treatments for cancer-related fatigue: A systematic review, meta-analysis and meta-regression
Background: Cancer-related fatigue (CRF) is one of the most distressing symptoms experienced by patients. There is no gold standard treatment, although multiple drugs have been tested with little evidence of efficacy. Randomised controlled trials (RCTs) of these drugs have commented on the existence or size of the placebo response (PR). The objective of this systematic review was to establish the magnitude of the PR in RCTs of drugs to relieve CRF and to identify contributing factors.
Method: RCTs were included in which the objective was to treat CRF. A meta-analysis was conducted using the standardised mean change (SMC) between baseline and final measurement in the placebo group. To explore factors that may be associated with the PR (eg, population or drug), a meta-regression was undertaken. Risk of bias was assessed using the revised Cochrane tool.
Results: From 3916 citations, 30 relevant RCTs were identified. All had limitations that increased their risk of bias. The pooled SMC in reduction in fatigue status in placebo groups was −0.23 (95% confidence intervals −0.42 to −0.04). None of the variables analysed in the meta-regression were statistically significant related to PR.
Conclusion: There is some evidence, based on trials with small samples, that the PR in trials testing drugs for CRF is non-trivial in size and statistically significant. We recommend that researchers planning drug studies in CRF should consider implementing alternative trial designs to better account for PR and decrease impact on the study results
The Adelaide VHF radar: Capabilities and future plans
The VHF radar at Buckland Park, South Australia commenced operation in January, 1984. The radar is located adjacent to the 2-MHz ionospheric radar. The routine method for measuring horizontal wind velocity is the space antenna technique (SA) while the Doppler technique is used to measure vertical velocities. It is possible to swing the transmitting beam in the east-west plane, allowing Doppler measurements of the EW wind component
Analisis Metode Pelaksanaan Plat Precast Dengan Plat Konvensional Ditinjau Dari Waktu Dan Biaya (Studi Kasus : Markas Komando Daerah Militer Manado)
Pemilihan metode pelaksanaan suatu proyek konstruksi sangat penting karena metode pelaksanaan yang tepat dapat memberikan hasil yang maksimal terutama jika ditinjau dari segi biaya maupun waktu. Salah satu USAha yang dilakukan oleh pengelola proyek adalah mengganti cara –cara konvensional menjadi lebih modern, yaitu dengan cara penerapan beton pracetak. Tujuan penelitian ini : (1) membandingkan metode pelaksanaan pembangunan antara penggunaan sistem beton konvensional. (2) Menganalisa biaya yang diperlukan pada kedua sistem tersebut dengan perhitungan Rab. (3) Menganalisa pengaruh waktu pelaksanaan antara sistem konvensional dan Precast terhadap biaya dengan Kurva S dari kedua sistem tersebut. Dari hal-hal tersebut akan diketahui sistem pengecoran mana yang efisien dari segi waktu, biaya, peralatan, maupun faktor pendukung, serta membandingkan antara precast fabrikasi dengan precast cast in situ. Beberapa aspek tentunya berbeda, baik untuk waktu, alat maupun proses yang akan dilakukan. Hasil penelitian memperlihatkan bahwa : dengan menggunakan metode precast membutuhkan waktu pelaksanaan selama 198 hari dengan Total biaya langsungnya adalah Rp 30,352,740,000,00, sedang untuk metode konvensional membutuhkan waktu pelaksanaan selama 226 hari dengan total biaya langsung Rp 30,230,145,000,00. Perbandingan biaya adalah Rp 122,595,000,00 sedang perbandingan waktu adalah 28 hari. Dapat disimpulkan bahwa pekerjaan menggunakan sistem precast membutuhkan biaya yang lebih besar dibandingkan sistem konvensional akan tetapi dengan waktu pengerjaan yang lebih singkat. Semakin besar volume pekerjaan dengan menggunakan sistem precast, semakin murah pula harganya dibandingkan dengan metode konvensional dan waktu pelaksanaannya juga lebih cepat, apalagi dengan menggunakan sistem Precast cast in situ
Palliative Care for Patients with End-Stage Liver Disease on the Liver Transplant Waiting List: An International Systematic Review
People with end-stage liver disease on the liver transplant waiting list have high symptom burden, which can successfully be addressed by specialist palliative care. Potential tensions with the perceived curative nature of liver transplant make delivering specialist palliative care challenging. This systematic review seeks to establish what is known on the impact of specialist palliative care for patients on liver transplant waiting lists, healthcare professionals' perspectives of providing specialist palliative care for this population, and uptake of advance care planning (ACP). Medline, Embase, and CINAHL were searched to May 5, 2020. Qualitative and quantitative findings were grouped together according to main relevant themes. Eight studies of mixed quality and mainly quantitative, were identified. Findings suggest early palliative care intervention improve patients' symptoms and prompt ACP conversations, but patients on the waiting list receive limited palliative care input. Liver physicians' lack of clarity on referral criteria and liver transplant patients' concerns of being abandoned, were reasons for reluctance to refer to specialist palliative care. They felt referral to specialist palliative care is appropriate only for patients receiving hospice or end of life care. Uptake and understanding of ACP and goals of care designation by patients is poor. This review found evidence of benefit of specialist palliative care for patients on liver transplant waiting lists, but found in a limited understanding of their role. Evidence is limited to studies from North America. Future research is needed to understand better how palliative care could be provided into this clinical environment
A brief overview on the evolution of drawing machines
Through the pictorial narratives engraved on the walls of the caves during prehistory, we are sure that Humans used drawing to express feelings and communicate, long before inventing writing. In the same way that utensils were used to help him, he also used several utensils to draw.
In the middle of the twentieth century, with all the technological evolution, we saw machines that helped artists in drawing and others that are extensions of the artist.
In a project seeking the development of a robotic system capable of drawing autonomously we were faced with the question for how long artists have used drawing machines for their aid or even their extension? In this work, we present a collection of artworks that demonstrates the use of drawing machines throughout history in the last 500 years and how they are being adapted and reinvented according to the most current and also developing technology. At present there is a vast field of experimentation of these machines with Interfaces and Sensors and Intelligent Human-Computer Interaction.(undefined
- …