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1.
  • Alt Murphy, Margit, 1970-, et al. (författare)
  • An upper body garment with integrated sensors for people with neurological disorders – early development and evaluation
  • 2019
  • Ingår i: BMC Biomedical Engineering. ; 1:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: To develop a novel wearable garment with integrated sensors for continuous monitoring of physiological and movement related variables to evaluate progression, tailor treatments and improve diagnosis in epilepsy, Parkinson’s disease and stroke. Methods: An iterative development process and evaluation of an upper body garment with integrated sensors included: identification of user needs, specification of technical and garment requirements, garment development and production as well as evaluation of garment design, functionality and usability. The project is a multidisciplinary collaboration with experts from medical, engineering, textile, and material science within the wearITmed consortium. The work was organized in regular meetings, task groups and hands-on workshops. User needs were identified using results from a mixed-methods systematic review, a focus group study and expert groups. Usability was evaluated in 19 individuals (13 controls, 6 patients with Parkinson’s disease) using semi-structured interviews and qualitative content analysis. Results: A prototype designed to monitor movements and heart rate was developed. The garment was well accepted by the users regarding design and comfort, although the users were cautious about the technology and suggested improvements. All electronic components passed a washability test. The most robust data was obtained from accelerometer and gyroscope sensors while the electrodes for heart rate registration were sensitive to motion. artefacts. The algorithm development within the wearITmed consortium has shown promising results. Conclusions: The prototype was accepted by the users. Technical improvements are needed, but preliminary data indicate that the garment has potential to be used as a tool for diagnosis and treatment selection and could provide added value for monitoring seizures in epilepsy, fluctuations in PD and activity levels in stroke. Future work aims to improve the prototype further, develop algorithms, and evaluate the functionality and usability in targeted patient groups. The potential of incorporating blood pressure and heart-rate variability monitoring will also be explored.
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3.
  • Elden, Helen, 1959-, et al. (författare)
  • Demanding and challenging: Men's experiences of living with a pregnant woman with pelvic girdle pain: An interview study
  • 2014
  • Ingår i: Clinical Nursing Studies. - 2324-7940. ; 2:4, s. 17-29
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Pelvic girdle pain (PGP) is a universally disabling condition affecting approximately 50% of pregnant women. Qualitative research describes how PGP leads to struggle in women’s daily lives, makes them question and doubt their roles and identities as professionals and mothers, and test their (marital) relationships. The purpose of this study was to describe men’s experiences of living with a pregnant woman with PGP. Methods: Participants were men whose pregnant partners participated in a project containing both qualitative and quantitative studies in 2009 to 2011. Interviews were conducted in person (n=18) or by telephone (n=8), lasting approximately 20-50 minutes. Sixteen men were interviewed during their wive’s pregnancies (M age = 30 years), eight men were re-interviewed within 12 months postpartum and two men were interviewed only postpartum (26 interviews). Results: Three major categories emerged: having no knowledge of PGP, a period of emotional and physical strain, and merging. Pregnancy in a woman with PGP caused men to alter focus from themselves to their partners and family. They expressed worry, powerlessness, inadequacy, and a need for support. They had to adapt and cope, both demanding and challenging. However, they stressed that relationships with their older children improved, and that they and their partners had succeeded in becoming a team. Conclusions: The findings indicated a need for greater focus from midwives and other health care providers on the psychological impact of PGP on the man/partner. This is important, not only for men but for their respective women as well, whereby men influence their partner’s health.
4.
  • Elden, Helen, 1959-, et al. (författare)
  • Feeling old in a young body: Women’s experiences of living with severe consequences of an obstetric anal sphincter rupture: An interview study.
  • 2014
  • Ingår i: Clinical Nursing Studies. - 2324-7940 .- 2324-7959. ; 3:1, s. 20-28
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The incidence of obstetric anal sphincter rupture (OASR) is increasing. It may cause anal incontinence and dyspareunia, leading to reduced quality of life and wellbeing. Qualitative studies are lacking. The aim was to describe experiences of living with ongoing severe consequences of an OASR 8 weeks after childbirth. Method: Twenty women with ongoing severe consequences of an OASR 8 weeks after delivery were interviewed using qualitative content analysis. Results: The experience of complications of an OASR is described in the overall theme ”Feeling old in a young body” and four categories: The body as injured; isolation; inability to function sexually, and anxiety for the future. Participants described how the consequences of OASR totally occupied their lives, making them feel old in a young body. They told of repercussions for their physical, psychological, sexual and social lives; how it affected their roles of mothers and partners, making them fear future childbirths. Diet, use of medicines, coal filters in incontinence pads, timing of toilet visits, use of the environment and mobile phones to conceal flatus and/or feces were strategies participants described. Conclusions: This study can contribute to increased understanding of how women can be affected by an OASR, and may enable healthcare personnel and authorities to meet their needs and organize care so that adequate support is available. It would also be beneficial if the women’s physical strategies were integrated into the information provided by health caregivers involved in follow-up. However, more research in this area is warranted.
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5.
  • Gröndal, Hedvig, 1983- (författare)
  • Signs of bacteria: Enacting Sore Throat
  • 2015
  • Konferensbidrag (refereegranskat)abstract
    • <p>In this paper I analyse the diagnostic process in relation to bacterial sore throat and how this disease comes into being, or how it is enacted, at two Swedish health centres. The empirical data analysed consist of interviews with nurses and general practioners as well as observations at the health centres. The concept of enactment implies that disease is relationally constituted in and through relations between human and non-human actors. In the paper the relations between health care personnel, bodies, symptoms, instruments, bacteria and other actors are investigated, and I discuss how different enactments of bacterial sore throat come to being depending on how these relations are organized. When doing this the <em>clinical gaze</em> - the diagnosing gaze that interpret signs of an underlying pathology on the patients body – is explored and in relation to the empirical material this gaze is investigated, that is, how it is employed and how it is established in relation to a number of human and non-human actors. </p>
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6.
  • Hanan, El Malla, et al. (författare)
  • Adherence to medication: A nation-wide study from the Children's Cancer Hospital, Egypt
  • 2013
  • Ingår i: World Journal of Psychiatry. - 2220-3206. ; 2:22, s. 25-33
  • Tidskriftsartikel (refereegranskat)abstract
    • Abstract AIM: To investigate adherence to medical regimen and predictors for non-adherence among children with cancer in Egypt. METHODS: We administered two study specific questionnaires to 304 parents of children diagnosed with cancer at the Children's Cancer Hospital in Cairo, Egypt, one before the first chemotherapy treatment and the other before the third. The questionnaires were translated to colloquial Egyptian Arabic, and due, to the high illiteracy level in Egypt an interviewer read the questions in Arabic to each parent and registered the answers. Both questionnaires consisted of almost 90 questions each. In addition, a Case Report Form was filled in from the child's medical journal. The study period consisted of 7 mo (February until September 2008) and we had a participation rate of 97%. Descriptive statistics are presented and Fisher's exact test was used to check for possible differences between the adherent and non-adherent groups. A P-value below 0.05 was considered significant. Software used was SAS version 9.3 for Windows (SAS Institute Inc., Cary, NC, United States). RESULTS: Two hundred and eighty-one (90%) parents answered the second questionnaire, regarding their child's adherence behaviour. Approximately two thirds of the children admitted to their third chemotherapy treatment had received medical recommendations upon discharge from the first or second chemotherapy treatment (181/281, 64%). Sixty-eight percent (123/181) of the parents who were given medical recommendations reported that their child did not follow the recommendations. Two main predictors were found for non-adherence: child resistance (111/123, 90%) and inadequate information (100/123, 81%). In the adherent group, 20% of the parents (n = 12/58) reported trust in their child's doctor while 14 percent 8/58 reported trust in the other health-care professionals. Corresponding numbers for the non-adherent group are 8/123 (7%) for both their child's doctor and other health-care professionals. Almost all of the parents expressed a lack of optimism towards the treatment (116/121, 96%), yet they reported an intention to continue with the treatment for two main reasons, for the sake of their child's life (70%) (P = 0.005) and worry that their child would die if they discontinued the treatment (81%) (P < 0.0001). CONCLUSION: Non-adherence to medical regimen is common among children diagnosed with cancer in Egypt, the main reasons being child resistance and inadequate information.
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7.
  • Hulsart Billström, Gry, 1982- (författare)
  • Bone Regeneration with Cell-free Injectable Scaffolds
  • 2014
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • Bone is a remarkable multifunctional tissue with the ability to regenerate and remodel without generating any scar tissue. However, bone loss due to injury or diseases can be a great challenge and affect the patient significantly. Transplanting bone graft from one site in the patient to the site of fracture or bone void, i.e. autologous bone grafting is commonly used throughout the world. The transplanted bone not only fills voids, but is also bone inductive, housing the particular cells that are needed for bone regeneration. Nevertheless, a regenerative complement to autograft is of great interest and importance because the benefits from an off-the-shelf product with as good of healing capacity as autograft will circumvent most of the drawbacks with autograft. With a regenerative-medicine approach, the use of biomaterials loaded with bioactive molecules can avoid donor site morbidity and the problem of limited volume of material. Two such regenerative products that utilize bone morphogenetic protein 7 and 2 have been used for more than a decade in the clinic. However, some severe side effects have been reported, such as severe swelling due to inflammation and ectopic bone formation. Additionally, the products require open surgery, use of supra physiological doses of the BMPs due to poor localization and retention of the growth factors. The purpose of this thesis was to harness the strong inductive capability of the BMP-2 by optimizing the carrier of this bioactive protein, thereby minimizing the side effects that are associated with the clinical products and facilitating safe and localized bone regeneration at the desired site. We focused on an injectable hyaluronan-based carrier. The strategy was to use the body’s own regenerative pathway to stimulate and enhance bone healing in a manner similar to the natural bone-healing process. The hyaluronan-based carrier has a similar composition to the natural extracellular matrix and is degraded by resident hyaluronidase enzymes. Earlier studies have shown a more controlled release and improved mechanical properties when adding a weight of 25 percent of hydroxyapatite, a calcium phosphate that constitutes the inorganic part of the bone matrix. In Paper I, the aim was to improve the carrier by adding other forms of calcium phosphate. The results indicated that the bone formation was enhanced when using nano-sized hydroxyapatite. We wished to further develop the carrier system but were lacking an animal model with high output and easy access. We also wanted to provide paired data and were committed to the 3 Rs of refinement, reduction and replacement. To meet these challenges, we developed and refined an animal model, and this is described in Paper II. In Paper III, we characterized and optimized the handling properties of the carrier. In Paper IV, we discovered the importance of crushing the material, thus enhancing permeability and enlarging the surface area. In Paper V, we sought to further optimize biomaterial properties of the hydrogel through covalently bonding of bisphosphonates to the hyaluronan hydrogel. The results demonstrated exceptional retention of the growth factor BMP-2. In Paper VI, the in vivo response related to the release of the growth factor was examined by combining a SPECT/PET/µCT imaging method to visualize both the retention of the drug, and the in-vivo response in terms of mineralization.
8.
  • Humble, Elisabet, et al. (författare)
  • Amino acid sequence at the phosphorylated site of rat liver fructose-1,6-diphosphatase and phosphorylation of a corresponding synthetic peptide
  • 1979
  • Ingår i: Biochemical and Biophysical Research Communications - BBRC. - 0006-291X .- 1090-2104. ; 90:3, s. 1064-1072
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Rat liver fructose-1,6-diphosphatase was phosphorylated with (<sup>32</sup>P)ATP and the catalytic subunit of cyclic AMP-dependent protein kinase from pig muscle. After digestion with pepsin, <em>α-chymotrypsin</em> and subtilisin a peptide with the amino-terminal sequence Ser-Arg-Tyr-(<sup>32</sup>P)SerP-Leu-Pro-Leu-Pro was isolated. A synthetic unphosphorylated heptapeptide with the same amino acid sequence, ending with leucine, was phosphorylated with an apparent K<sub>m</sub> of 400 μM, while the apparent K<sub>m</sub> value for fructose-1,6-diphosphatase was 30 μM (subunit concentration). The V<sub>max</sub> value was 20 times higher for the peptide than for the enzyme.</p>
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9.
  • Jakobsson, Sofie, 1968-, et al. (författare)
  • Performance of the Swedish version of the Revised Piper Fatigue Scale.
  • 2013
  • Ingår i: European journal of oncology nursing : the official journal of European Oncology Nursing Society. - 1532-2122. ; 17:6, s. 808-13
  • Tidskriftsartikel (refereegranskat)abstract
    • The Revised Piper Fatigue scale is one of the most widely used instruments internationally to assess cancer-related fatigue. The aim of the present study was to evaluate selected psychometric properties of a Swedish version of the RPFS (SPFS).
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10.
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