222 research outputs found

    'It's the first scientific evidence': Men's experience of pregnancy confirmation - some findings from a longitudinal ethnographic study of transition to fatherhood

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    Background and aims. In contrast to women�s experiences of motherhood, there has been comparatively little research investigating men�s experience of the transition to fatherhood and how changing cultural perspectives contribute to the contemporary experience of fathering. This paper draws on the findings of a larger ethnographic study of men�s transition to fatherhood in the United Kingdom (UK) and discusses men�s experiences of pregnancy confirmation. Methods. A longitudinal ethnographic approach was chosen to investigate men�s real life accounts of their transition to fatherhood. A mixture of inovice and experienced fathers (n ¼ 18) were recruited from antenatal classes in the north of the UK during 1998. Semi-structured interviews were conducted on three occasions, twice during their partner�s pregnancy and once afterwards. Findings. Framed by the context of the contemporary construction of involved fatherhood, the men frequently spoke of their desire to be involved with their partner�s pregnancy and yet reported difficulty in engaging with its reality. They nevertheless participated in a range of activities � body-mediated-moments � which brought them closer to their partner�s pregnant body and therefore their unborn baby. These activities centred on pregnancy confirmation, announcement, foetal movements, the ultrasound scan, and culminated in their presence during labour and delivery. This paper discusses their involvement in the process of pregnancy confirmation. Conclusion. The men�s experiences of early pregnancy were marked forcefully by their involvement in the confirmation process. This activity gave men entry into a physical dimension, helping them forge an involvement in the pregnancy and shape their early transition to fatherhood. Implications for practice. The study has provided insight into expectant men�s experiences of pregnancy and contributed to the understanding of the changing nature of contemporary fatherhood in the UK. Recognition of men�s changing roles in pregnancy, and greater insight into their experiences should be of relevance to all those supporting the transition to parenthood, including midwives, obstetricians, ultrasonographers and childbirth educators. Such increased awareness should inform the antenatal support given to men and reinforce the importance of relevant antenatal preparation that effectively meets the needs of not only expectant women, but also expectant men

    The effect of potential fall distance on hormonal response in rock climbing

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    The aim of this study was to examine the effect of alterations in potential lead fall distance on the hormonal responses of rock climbers. Nine advanced female climbers completed two routes whilst clipping all (PRO-all) or half (PRO-½) of the fixed points of protection. Venous blood samples were analysed for total catecholamines, noradrenaline, adrenaline, dopamine, lactate, cortisol and serotonin. Differences between the two conditions pre, immediately post and 15 minutes post climbing were assessed using a 2x3 repeated measures ANOVA. All hormones and blood lactate concentrations increased significantly (p < 0.05) immediately post climb, except for cortisol. Peak cortisol concentrations did not occur until 15 min post ascent. Further, significant interactions between climbing and clipping conditions were found for total catecholamines (890% of basal concentration in PRO-½ vs. 568% in PRO-all), noradrenaline (794% vs. 532%) and dopamine (500% vs. 210%). There were no significant interactions for adrenaline (1920% vs 1045%), serotonin (150% vs 127%), or lactate (329% vs 279%). The study showed a greater catecholamine response with an increase in potential lead fall distance. The most pronounced increases seen in catecholamine concentration were reported for dopamine and noradrenaline

    Observational Constraints on the Catastrophic Disruption Rate of Small Main Belt Asteroids

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    We have calculated 90% confidence limits on the steady-state rate of catastrophic disruptions of main belt asteroids in terms of the absolute magnitude at which one catastrophic disruption occurs per year (HCL) as a function of the post-disruption increase in brightness (delta m) and subsequent brightness decay rate (tau). The confidence limits were calculated using the brightest unknown main belt asteroid (V = 18.5) detected with the Pan-STARRS1 (Pan-STARRS1) telescope. We measured the Pan-STARRS1's catastrophic disruption detection efficiency over a 453-day interval using the Pan-STARRS moving object processing system (MOPS) and a simple model for the catastrophic disruption event's photometric behavior in a small aperture centered on the catastrophic disruption event. Our simplistic catastrophic disruption model suggests that delta m = 20 mag and 0.01 mag d-1 < tau < 0.1 mag d-1 which would imply that H0 = 28 -- strongly inconsistent with H0,B2005 = 23.26 +/- 0.02 predicted by Bottke et al. (2005) using purely collisional models. We postulate that the solution to the discrepancy is that > 99% of main belt catastrophic disruptions in the size range to which this study was sensitive (100 m) are not impact-generated, but are instead due to fainter rotational breakups, of which the recent discoveries of disrupted asteroids P/2013 P5 and P/2013 R3 are probable examples. We estimate that current and upcoming asteroid surveys may discover up to 10 catastrophic disruptions/year brighter than V = 18.5.Comment: 61 Pages, 10 Figures, 3 Table

    Assistive technology design and development for acceptable robotics companions for ageing years

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    © 2013 Farshid Amirabdollahian et al., licensee Versita Sp. z o. o. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs license, which means that the text may be used for non-commercial purposes, provided credit is given to the author.A new stream of research and development responds to changes in life expectancy across the world. It includes technologies which enhance well-being of individuals, specifically for older people. The ACCOMPANY project focuses on home companion technologies and issues surrounding technology development for assistive purposes. The project responds to some overlooked aspects of technology design, divided into multiple areas such as empathic and social human-robot interaction, robot learning and memory visualisation, and monitoring persons’ activities at home. To bring these aspects together, a dedicated task is identified to ensure technological integration of these multiple approaches on an existing robotic platform, Care-O-Bot®3 in the context of a smart-home environment utilising a multitude of sensor arrays. Formative and summative evaluation cycles are then used to assess the emerging prototype towards identifying acceptable behaviours and roles for the robot, for example role as a butler or a trainer, while also comparing user requirements to achieved progress. In a novel approach, the project considers ethical concerns and by highlighting principles such as autonomy, independence, enablement, safety and privacy, it embarks on providing a discussion medium where user views on these principles and the existing tension between some of these principles, for example tension between privacy and autonomy over safety, can be captured and considered in design cycles and throughout project developmentsPeer reviewe

    'Ready to hit the ground running': alumni and employer accounts of a unique part-time distance learning pre-registration nurse education programme

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    Background This study explored the impact of The Open University’s (OU) pre-registration nursing programme on students’ employability, career progression and its contribution to developing the nursing workforce across the United Kingdom. Designed for healthcare support workers who are sponsored by their employers, the programme is the only part-time supported open/distance learning programme in the UK leading to registration as a nurse. The international literature reveals that relatively little is known about the impact of previous experience as a healthcare support worker on the experience of transition, employability skills and career progression. Objectives To identify alumni and employer views of the perceived impact of the programme on employability, career progression and workforce development. Design/Method A qualitative design using telephone interviews which were digitally recorded, transcribed verbatim prior to content analysis to identify recurrent themes. Settings Three geographical areas across the UK. Participants Alumni (n=17) and employers (n=7). Inclusion criterion for alumni was a minimum of two years post-qualifying experience. Inclusion criteria for employers were those that had responsibility for sponsoring students on the programme and employing them as newly qualified nurses. Results Four overarching themes were identified: Transition, Expectations, Learning for and in practice, and Flexibility. Conclusions Alumni and employers were of the view that the programme equipped them well to meet the competencies and expectations of being a newly qualified nurse. It provided employers with a flexible route to growing their own workforce and alumni the opportunity to achieve their ambition of becoming a qualified nurse when other more conventional routes would not have been open to them. Some of them had already demonstrated career progression. Generalising results requires caution due to the small, self-selecting sample but findings suggest that a widening participation model of pre-registration nurse education for employed healthcare support workers more than adequately prepares them for the realities of professional practice

    Which patellofemoral joint imaging features are associated with patellofemoral pain? Systematic review and meta-analysis

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    Objectives: To review the association between patellofemoral joint (PFJ) imaging features and patellofemoral pain (PFP). Design: A systematic review of the literature from AMED, CiNAHL, Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, PEDro, EMBASE and SPORTDiscus was undertaken from their inception to September 2014. Studies were eligible if they used magnetic resonance imaging (MRI), computed tomography (CT), ultrasound (US) or x-ray (XR) to compare PFJ features between a PFP group and an asymptomatic control group in people < 45 years of age. A pooled meta-analysis was conducted and data was interpreted using a best evidence synthesis. Results: Forty studies (all moderate to high quality) describing 1,043 people with PFP and 839 controls were included. Two features were deemed to have a large standardised mean difference (SMD) based on meta-analysis: an increased MRI bisect offset at 0° knee flexion under load (0.99; 95% CI: 0.49, 1.49) and an increased CT congruence angle at 15° knee flexion, both under load (1.40 95% CI: 0.04, 2.76) and without load (1.24; 95% CI: 0.37,2.12). A medium SMD was identified for MRI patella tilt and patellofemoral contact area. Limited evidence was found to support the association of other imaging features with PFP. A sensitivity analysis showed an increase in the SMD for patella bisect offset at 0° knee flexion (1.91; 95% CI: 1.31,2.52) and patella tilt at 0° knee flexion (0.99; 95% CI: 0.47,1.52) under full weight bearing. Conclusion: Certain PFJ imaging features were associated with PFP. Future interventional strategies may be targeted at these features

    Correlation between nucleotide composition and folding energy of coding sequences with special attention to wobble bases

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    Background: The secondary structure and complexity of mRNA influences its accessibility to regulatory molecules (proteins, micro-RNAs), its stability and its level of expression. The mobile elements of the RNA sequence, the wobble bases, are expected to regulate the formation of structures encompassing coding sequences. Results: The sequence/folding energy (FE) relationship was studied by statistical, bioinformatic methods in 90 CDS containing 26,370 codons. I found that the FE (dG) associated with coding sequences is significant and negative (407 kcal/1000 bases, mean +/- S.E.M.) indicating that these sequences are able to form structures. However, the FE has only a small free component, less than 10% of the total. The contribution of the 1st and 3rd codon bases to the FE is larger than the contribution of the 2nd (central) bases. It is possible to achieve a ~ 4-fold change in FE by altering the wobble bases in synonymous codons. The sequence/FE relationship can be described with a simple algorithm, and the total FE can be predicted solely from the sequence composition of the nucleic acid. The contributions of different synonymous codons to the FE are additive and one codon cannot replace another. The accumulated contributions of synonymous codons of an amino acid to the total folding energy of an mRNA is strongly correlated to the relative amount of that amino acid in the translated protein. Conclusion: Synonymous codons are not interchangable with regard to their role in determining the mRNA FE and the relative amounts of amino acids in the translated protein, even if they are indistinguishable in respect of amino acid coding.Comment: 14 pages including 6 figures and 1 tabl
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