69 research outputs found
Topical anaesthetics for premature ejaculation: a systematic review and meta-analysis
Eutectic Mixture of Local Anaesthetics (EMLA) is recommended for use off-label as a treatment for premature ejaculation (PE). Other topical anaesthetics are available, some of which have been evaluated against oral treatments. The purpose of this systematic review was to evaluate the evidence from randomised controlled trials (RCTs) for topical anaesthetics in the management of PE. Bibliographic databases including MEDLINE were searched to August 2014. The primary outcome was intra-vaginal ejaculatory latency time (IELT). Methodological quality of RCTs was assessed. IELT and other outcomes were pooled across RCTs in a meta-analysis. Between-trial heterogeneity was assessed. Nine RCTs were included. Seven were of unclear methodological quality. Pooled evidence (two RCTs, 43 participants) suggests that EMLA is significantly more effective than placebo at increasing IELT (P < 0.00001). Individual RCT evidence also suggests that Topical Eutectic-like Mixture for Premature Ejaculation (TEMPE) spray and lidocaine gel are both significantly more effective than placebo (P = 0.003; P < 0.00001); and lidocaine gel is significantly more effective than sildenafil or paroxetine (P = 0.01; P = 0.0001). TEMPE spray is associated with significantly more adverse events than placebo (P = 0.003). More systemic adverse events are reported with tramadol, sildenafil and paroxetine than with lidocaine gel. Diverse methods of assessing sexual satisfaction and ejaculatory control with topical anaesthetics are reported and evidence is conflicting. Topical anaesthetics appear more effective than placebo, paroxetine and sildenafil at increasing IELT in men with PE. However, the methodological quality of the existing RCT evidence base is uncertain
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Risk measures for direct real estate investments with non-normal or unknown return distributions
The volatility of returns is probably the most widely used risk measure for real estate. This is rather surprising since a number of studies have cast doubts on the view that volatility can capture the manifold risks attached to properties and corresponds to the risk attitude of investors. A central issue in this discussion is the statistical properties of real estate returns—in contrast to neoclassical capital market theory they are mostly non-normal and often unknown, which render many statistical measures useless. Based on a literature review and an analysis of data from Germany we provide evidence that volatility alone is inappropriate for measuring the risk of direct real estate.
We use a unique data sample by IPD, which includes the total returns of 939 properties across different usage types (56% office, 20% retail, 8% others and 16% residential properties) from 1996 to 2009, the German IPD Index, and the German Property Index. The analysis of the distributional characteristics shows that German real estate returns in this period were not normally distributed and that a logistic distribution would have been a better fit. This is in line with most of the current literature on this subject and leads to the question which indicators are more appropriate to measure real estate risks. We suggest that a combination of quantitative and qualitative risk measures more adequately captures real estate risks and conforms better with investor attitudes to risk. Furthermore, we present criteria for the purpose of risk classification
Tokophobia and fear of birth: a workshop consensus statement on current issues and recommendations for future research.
Objective: To discuss and develop a statement on the current state of the evidence and opinion in Fear of Childbirth (FoC) and Tokophobia (Tocophobia), and to provide recommendations.
Background: A group met in 2019 to discuss the state of clinical and academic knowledge relating to FoC/Tokophobia. Five key areas were agreed as the focus of the meeting.
Methods: 12 internationally acknowledged experts, in this or a closely related area (e.g. PTSD) met to discuss their understanding of the evidence for FoC/ Tokophobia and current practice. The consensus described in this paper constitutes the expression of the general opinion of the participants and does not necessarily imply unanimity.
Keys points: Work focussed on tokophobia is recent and there remains a wide range of issues, which were addressed in the workshop including complexity in defining prevalence, a theoretical lack of understanding, which creates challenge for robust assessment and the identification of risk factors. An improved aetiological and developmental understanding of the tokophobia is required to underpin appropriate, effective and evidence-based interventions. Evaluation of pathways of care and relevant interventions, should be a focus of future research.
Conclusion: Significant gaps remain within the FoC/tokophobia knowledge base. Further research is necessary
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Mead-halls of the Oiscingas: a new Kentish perspective on the Anglo-Saxon great hall complex phenomenon
Widely cited as a metaphor for the emergence of kingship in early medieval England, the great hall complex represents one of the most distinctive and evocative expressions of the Anglo-Saxon settlement record, yet interpretation of these sites remains underdeveloped and heavily weighted towards Yeavering. Inspired by the results of recent excavations at Lyminge, this paper undertakes a detailed comparative interrogation of three great hall complexes in Kent and exploits this new regional perspective to advance understanding of the agency and embodied meanings of these settlements as ‘theatres of power’. Explored through the thematic prisms of place, social memory and monumental hybridity, this examination leads to a new appreciation of the involvement of great hall sites in the genealogical strategies of 7th-century royal dynasties and a fresh perspective on how this remarkable yet short-lived monumental idiom was adapted to harness the symbolic capital of Romanitas
Evolutionary Repercussions of Avian Culling on Host Resistance and Influenza Virulence
Keeping pandemic influenza at bay is a global health priority. Of particular concern is the continued spread of the influenza subtype H5N1 in avian populations and the increasing frequency of transmission to humans. To decrease this threat, mass culling is the principal strategy for eradicating influenza in avian populations. Although culling has a crucial short-term epidemiological benefit, evolutionary repercussions on reservoir hosts and on the viral population have not been considered.To explore the epidemiological and evolutionary repercussions of mass avian culling, we combine population genetics and epidemiological influenza dynamics in a mathematical model parameterized by clinical, epidemiological, and poultry data. We model the virulence level of influenza and the selection on a dominant allele that confers resistance against influenza [1, 2] in a poultry population. Our findings indicate that culling impedes the evolution of avian host resistance against influenza. On the pathogen side of the coevolutionary race between pathogen and host, culling selects for heightened virulence and transmissibility of influenza.Mass culling achieves a short-term benefit at the expense of long-term detriments: a more genetically susceptible host population, ultimately greater mortality, and elevated influenza virulence
Genome Wide Analysis of Inbred Mouse Lines Identifies a Locus Containing Ppar-γ as Contributing to Enhanced Malaria Survival
The genetic background of a patient determines in part if a person develops a mild form of malaria and recovers, or develops a severe form and dies. We have used a mouse model to detect genes involved in the resistance or susceptibility to Plasmodium berghei malaria infection. To this end we first characterized 32 different mouse strains infected with P. berghei and identified survival as the best trait to discriminate between the strains. We found a locus on chromosome 6 by linking the survival phenotypes of the mouse strains to their genetic variations using genome wide analyses such as haplotype associated mapping and the efficient mixed-model for association. This new locus involved in malaria resistance contains only two genes and confirms the importance of Ppar-γ in malaria infection
Reproductive Decision-Making and Periconception Practices Among HIV-Positive Men and Women Attending HIV Services in Durban, South Africa
Plasmodium falciparum malaria parasitaemia among indigenous Batwa and non-indigenous communities of Kanungu district, Uganda
HIV and reproduction care - a review of current practice
In developed countries, antiretroviral treatment has increased life quality and expectancy of HIV-infected individuals and led to a drop in mother-to-child transmission (MCT) risk to below 1%. Fertility has been shown to be reduced in both
men and women with HIV. As a result of these factors, the demand for reproductive care in this population is rising. In discordant couples where the man is positive, sperm washing significantly reduces viral transmission risk to the uninfected female partner over unprotected intercourse. Positive women do not necessarily need specialised
fertility treatment but should be monitored closely during pregnancy to minimise MCT
risk
Transforming a doctoral summer school to an online experience: a response to the COVID‐19 pandemic
For the last 28 years, one of the leading international science education organisations has regularly provided a week-long summer school experience for doctoral students. In summer 2020, the COVID-19 pandemic prevented international travel and close-contact interactions between scholars. This required the transformation and relocation of learning interactions between mentors and doctoral students online through a virtual week-long summer school. All doctoral participants, from across the five continents, were invited to reflectively comment on their educative experience after the online event. This paper consequently presents the perspectives of these science education PhD students who engaged with the transformed virtual summer school to consider how the range of varied online interactions maintained the learning opportunities for them and enabled their introduction to an established research community. The study indicates how the digital activities facilitated and maintained high-quality learning exchanges through a varied array of intellectual activities involving both experienced and novice scholars. The findings demonstrate how successful academic outcomes can be achieved remotely while minimising international travel and significantly reducing financial outlay. This was achieved through creatively structuring a week-long virtual experience and combining a series of synchronous and asynchronous learning opportunities for different groupings of participants within the international summer school community
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