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Sökning: swepub > Malmö universitet > Engelska > Blekinge Tekniska Högskola

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  • Westergren, Albert, 1967-, et al. (författare)
  • Measurement properties of the Minimal Insomnia Symptom Scale as an insomnia screening tool for adults and the elderly.
  • 2015
  • Ingår i: Sleep Medicine. - Elsevier. - 1878-5506.
  • Tidskriftsartikel (refereegranskat)abstract
    • The psychometric properties of the three-item Minimal Insomnia Symptom Scale (MISS) were evaluated using the classical test theory. Different cut-offs for identifying insomnia were suggested in two age groups (≥6 and ≥7 among adult and elderly people, respectively). The aim of the present study was to test the measurement properties of the MISS using the Rasch measurement model, with special emphasis on differential item functioning by gender and age.
  • Kroon, Martin, et al. (författare)
  • Anisotropic Elastic-Viscoplastic Properties at Finite Strains of Injection-Moulded Low-Density Polyethylene
  • 2018
  • Ingår i: Experimental mechanics. - Springer New York LLC. - 0014-4851. ; 58:1, s. 75-86
  • Tidskriftsartikel (refereegranskat)abstract
    • Injection-moulding is one of the most common manufacturing processes used for polymers. In many applications, the mechanical properties of the product is of great importance. Injection-moulding of thin-walled polymer products tends to leave the polymer structure in a state where the mechanical properties are anisotropic, due to alignment of polymer chains along the melt flow direction. The anisotropic elastic-viscoplastic properties of low-density polyethylene, that has undergone an injection-moulding process, are therefore examined in the present work. Test specimens were punched out from injection-moulded plates and tested in uniaxial tension. Three in-plane material directions were investigated. Because of the small thickness of the plates, only the in-plane properties could be determined. Tensile tests with both monotonic and cyclic loading were performed, and the local strains on the surface of the test specimens were measured using image analysis. True stress vs. true strain diagrams were constructed, and the material response was evaluated using an elastic-viscoplasticity law. The components of the anisotropic compliance matrix were determined together with the direction-specific plastic hardening parameters. © 2017 The Author(s)
  • Nystedt, Astrid, et al. (författare)
  • Epidural analgesia for pain relief in labour and childbirth - a review with a systematic approach.
  • 2004
  • Ingår i: Journal of Clinical Nursing. - 0962-1067. ; 13:4, s. 455-66
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Clinical ambiguity concerning effects of epidural analgesia for pain relief in labour seems to reflect a need for evidence-based knowledge for midwives. AIMS: This study aimed to review, with a systematic approach, the literature about effects and risks associated with the use of epidural analgesia for pain relief in labour and childbirth. DESIGN: A structured question was formulated and used for deriving search terms, establishing the inclusion of certain criteria and retrieving articles, i.e. what are the effects of epidural analgesia for pain relief in labour and childbirth? References were obtained through searches using MeSH-terms in Medline and Subheadings (SH) in CINAHL (e.g. Obstetrical Analgesia combined either with psychology or adverse effects and together with, Dystocia, Caesarean Section, Infant Newborn and Breastfeeding). The articles were divided into prospective randomized trials (C), non-randomized prospective studies (P) and retrospective studies (R). Scientific quality of the studies was assessed on a three-grade scale: high scientific quality (I), moderate scientific quality (II) or low scientific quality (III). RESULTS: Twenty-four articles were retrieved and systematically assessed. Seven studies were judged as high quality, 15 as moderate quality and two as low quality. The majority of studies appraised in this review failed to obtain or establish a cause and effect relationship. According to the data, it seems clear that the use of epidural analgesia is considered to be an effective method of pain relief during labour and childbirth from the perspective of women giving birth. RELEVANCE TO CLINICAL PRACTICE: Midwives and doctors can recommend this form of pain relief. However, information about possible associations with adverse effects in mothers and infants must be provided to expectant couples.
  • Olsson, Pär A.T., et al. (författare)
  • Ab initio and classical atomistic modelling of structure and defects in crystalline orthorhombic polyethylene Twin boundaries, slip interfaces, and nature of barriers
  • 2017
  • Ingår i: Polymer. - Elsevier Ltd. - 0032-3861. ; 121, s. 234-246
  • Tidskriftsartikel (refereegranskat)abstract
    • We study the stability of twin boundaries and slip in crystalline orthorhombic polyethylene by means of density functional theory (DFT), using a nonempirical, truly nonlocal density function, and by means of classical molecular dynamics (MD). The results show that, in accordance with experimental observations, there is a clear preference to chain slip over transverse slip for all considered slip planes. The activation energy for pure chain slip lies in the range 10–20 mJ/m2 while that for transverse slip corresponds to 40–280 mJ/m2. For the (11¯0)-slip plane the energy landscape is non-convex with multiple potential energy minima, indicating the presence of stable stacking faults. This suggests that dissociation of perfect dislocations into partials may occur. For the two low-energy twin boundaries considered in this work, {110} and {310}, we find that the former is more stable than the latter, with ground state energies corresponding to 8.9 and 28 mJ/m2, respectively. We have also evaluated how well the empirical MD simulations with the all-atom optimized potential for liquid MD simulations (OPLS-AA) and the coarse-grained united atom (UA) potential concur with the DFT results. It is found that an all-atom potential is necessary to partially capture the γ-surface energy landscapes obtained from the DFT calculations. The OPLS-AA predicts chain slip activation energies comparable with DFT data, while the transverse slip energy thresholds are low in comparison, which is attributed to weak close ranged monomer repulsion. Finally, we find that the H-H interaction dominates the slip activation. While not explicitly represented in the UA potential, its key role is revealed by correlating the DFT energy landscape with changes in the electron distributions and by MD simulations in which components of the OPLS-AA intermolecular potential are selectively silenced. © 2017 Elsevier Ltd
  • Lindberg, Catharina, et al. (författare)
  • Befriending Everyday Life When Bringing Technology into the Private Sphere
  • 2017
  • Ingår i: Qualitative Health Research. - SAGE Publications Inc.. - 1049-7323. ; 27:6, s. 843-854
  • Tidskriftsartikel (refereegranskat)abstract
    • We present the findings of our phenomenological interview study concerning the meaning of being an autonomous person while dependent on advanced medical technology at home. This was elucidated in the participants' narratives as befriending everyday life when bringing technology into the private sphere. We discovered four constituents of the phenomenon: befriending the lived body, depending on good relationships, keeping the home as a private sphere, and managing time. The most important finding was the overall position of the lived body by means of the illness limiting the control over one's life. We found that the participants wanted to be involved in and have influence over their care to be able to enjoy autonomy. We therefore stress the importance of bringing the patients into the care process as chronic illness will be a part of their everyday life for a long time to come, hence challenging patient autonomy.
  • Woxenius, Johan, et al. (författare)
  • Utilising more of the loading space in intermodal line trains – measures and decision support
  • 2013
  • Ingår i: Computers in industry. - 0166-3615. ; 64:2, s. 146-154
  • Tidskriftsartikel (refereegranskat)abstract
    • The focus of this article is to identify, characterise and qualitatively evaluate the existing measures for increasing the utilisation of loading space in intermodal road-rail freight line trains. Normally, these trains operate like intercity passenger trains, because they make short unit load transhipment stops along rail corridors in order to travel comparatively small and short flows. The measures for loading space utilisation include adapting the train's capacity, changing the departure times, altering the train routes and sending trucks to different terminals as well as replacing rail transport with trucks. Some of the measures require improved information sharing, and executives can strengthen the effect of the measures by adding decision support systems and price incentives to transport buyers.
  • Andersson, Ewa K., et al. (författare)
  • Registered nurses views of caring in coronary care - a deductive and inductive content analysis.
  • 2015
  • Ingår i: Journal of Clinical Nursing. - Wiley-Blackwell. - 1365-2702. ; 24:23-24, s. 3481-3493
  • Tidskriftsartikel (refereegranskat)abstract
    • To extend nurses' descriptions of how they understood caring, as reflected in the findings of an earlier study (i.e. the hierarchical outcome space) and to gain additional understandings and perspectives of nurses' views of caring in relation to a coronary care patient case.
  • Andersson, Ewa Kazimiera, et al. (författare)
  • Standing alone when life takes an unexpected turn: being a midlife next of kin of a relative who has suffered a myocardial infarction.
  • 2013
  • Ingår i: Scandinavian Journal of Caring Sciences. - Wiley-Blackwell. - 1471-6712. ; 27:4, s. 864-871
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Suffering a myocardial infarction (MI) is a life-threatening event that impacts not only on the individual concerned but also on the next of kin. However, there seems to be a paucity of naturalistic inquiries that focus specifically on midlife next of kin and their experience of being close to a relative who has suffered an MI. This study aims to elucidate the experience of being a midlife next of kin of a relative who has suffered a myocardial infarction. METHOD: Nine women and four men in midlife participated in the focused interviews, which were conducted and analysed during 2010/2011 using Lindseths and Norbergs' description of the phenomenological hermeneutical method. FINDINGS: Four themes - Solely responsible, Lurking unease, Left out of the picture and Life on hold - formed the basis of the core theme Standing alone when life takes an unexpected turn. The core theme was interpreted as a central phenomenon encompassing the experience of being solely responsible for the well-being of their relative and the family, thus putting their own life on hold. The core theme also reflected the next of kin's experience of being left out of the picture when it came to the relative's care before and after the MI. CONCLUSION: The next of kin's negative feelings of standing alone were further intensified by their experience of being left out of the picture by the healthcare professionals concerning their relative's care. As a cardiac nurse, it would seem essential to have knowledge about the experiences of next of kin in connection with a relative's MI event. Such knowledge can facilitate the planning and organisation of nursing care and at the same time address the next of kin's role in the recovery and rehabilitation process.
  • Andersson, Ewa Kazimiera, et al. (författare)
  • The Experience of Younger Adults Following Myocardial Infarction.
  • 2013
  • Ingår i: Qualitative Health Research. - SAGE Publications Inc.. - 1049-7323.
  • Tidskriftsartikel (refereegranskat)abstract
    • Syftet med denna studie var att belysa meningsupplevelser för personer yngre än 55 år som överlevt sin första hjärtinfarkt. Vi har analyserat 17 intervjuer med fenomenologisk-hermeneutisk metod. Huvudtemat, och det centrala fenomenet var en daglig kamp för att återvinna balansen i livet, vilket inkluderar en existentiell, fysisk och emotionell kamp för att återfå fotfästet i dagligt liv. Efterspelet till denna livshotande händelse involverade en transition/förändringsprocess samtidigt som en ny livsmening skapades. Informanternas berättelser färgades av en energibrist som påverkade deras liv och interagerade med orimliga krav från arbetsgivare och vårdpersonal. Kunskapen från denna studie kan utgöra ett värdefullt tillskott till kvalitetsarbete inom omvårdnad och till utveckling av omvårdnadsinterventioner för hjärtrehabilitering av yngre personer efter hjärtinfarkt.
  • Hellström, Amanda, et al. (författare)
  • Association between Sleep Disturbances and Leisure Activities in the Elderly: A Comparison between Men and Women.
  • 2014
  • Ingår i: Sleep Disorders. - Hindawi Publishing Corporation. - 2090-3545. ; 2014
  • Tidskriftsartikel (refereegranskat)abstract
    • It has been suggested that physical or social activity is associated with fewer sleep disturbances among elderly people. Women report more sleep disturbances than men, which could indicate a variation in activity patterns between the genders. The aim of this study was to investigate associations between sleep disturbances and leisure activities in men and women (n = 945) aged ≥60 years in a Swedish population. Sleep disturbances were measured using eight dichotomous questions and seventeen variables, covering a wide range of leisure activities. Few leisure activities were found to be associated with sleep disturbances and their importance decreased when the models were adjusted for confounders and gender interactions. After clustering the leisure activities and investigating individual activities, sociointellectual activities were shown to be significant for sleep. However, following adjustment for confounders and gender interactions, home maintenance was the only activity significant for sleep. Being a female increased the effect of home maintenance. Besides those leisure activities, poor/fair self-rated health (OR 7.50, CI: 4.27-11.81) and being female (OR 4.86, CI: 2.75-8.61) were found to have the highest association with poor sleep. Leisure activities pursued by elderly people should focus on activities of a sociointellectual nature, especially among women, to promote sleep.
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