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- Ahl, David, et al.
(författare)
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Turning Up the Heat : Local Temperature Control During in vivo Imaging of Immune Cells
- 2019
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Ingår i: Frontiers in Immunology. - : FRONTIERS MEDIA SA. - 1664-3224. ; 10
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Tidskriftsartikel (refereegranskat)abstract
- Intravital imaging is an invaluable tool for studying the expanding range of immune cell functions. Only in vivo can the complex and dynamic behavior of leukocytes and their interactions with their natural microenvironment be observed and quantified. While the capabilities of high-speed, high-resolution confocal and multiphoton microscopes are well-documented and steadily improving, other crucial hardware required for intravital imaging is often developed in-house and less commonly published in detail. In this report, we describe a low-cost, multipurpose, and tissue-stabilizing in vivo imaging platform that enables sensing and regulation of local tissue temperature. The effect of tissue temperature on local blood flow and leukocyte migration is demonstrated in muscle and skin. Two different models of vacuum windows are described in this report, however, the design of the vacuum window can easily be adapted to fit different organs and tissues.
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| 2. |
- Andersson-Watz, Anna, 1980-, et al.
(författare)
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Introducing Mechanically Assisted Cough for Patients with Progressive Neurological Disease : Patient-Physical Therapist Interaction and Physical Therapist Perspective
- 2024
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Ingår i: Physical Therapy. - : Oxford University Press. - 0031-9023 .- 1538-6724.
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: The goal of this study was to explore patient-physical therapist interaction and the physical therapist's experience of the introductory session for mechanical insufflation-exsufflation (MI-E) device treatment for patients with progressive neurological disease.METHODS: Qualitative content analysis of participant-observation of interaction between patients and physical therapists during 9 MI-E introduction sessions in different clinical care settings and 10 follow-up interviews with 6 physical therapists.RESULTS: The introduction of MI-E emerged as a process of instilling a sense of security in the patient. The process can be described in 4 steps: (1) gain understanding by being responsive to the person's whole life-situation; (2) share knowledge and expectations in a respectful and permissive way; (3) introduce the device in a gentle and reciprocal interactivity; and (4) adapt to home-use in an inclusive dialogue with the patient and their significant others. Physical therapists described a need for assurance to instill a sense of security in the patient, implying a need for confidence, competent peers, guiding yet flexible routines, and emotional support.CONCLUSION: Physical therapists have a need to foster assurance in employing a person-centered approach to make a patient feel secure in the process of introducing MI-E treatment. Multiple modes of professional knowledge were used together with action-based and relational-based ethics to facilitate a person-centered care approach. This seems to be a promising approach for providing good care when introducing MI-E to patients. Further research is needed to explore this from the patient's perspective.IMPACT: This study added to the body of knowledge regarding MI-E treatment in relation to patients. This has direct implication, particularly for inexperienced physical therapists, for informed care for the patient during introduction. Our study also supports that person-centered care should be implemented at all levels of health care to make it possible for physical therapists to practice person-centered care.
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| 4. |
- Attelind, Sofia, et al.
(författare)
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Genetic determinants of apixaban plasma levels and their relationship to bleeding and thromboembolic events
- 2022
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Ingår i: Frontiers in Genetics. - : Frontiers Media S.A.. - 1664-8021. ; 13
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Tidskriftsartikel (refereegranskat)abstract
- Apixaban is a direct oral anticoagulant, a factor Xa inhibitor, used for the prevention of ischemic stroke in patients with atrial fibrillation. Despite using recommended dosing a few patients might still experience bleeding or lack of efficacy that might be related to inappropriate drug exposure. We conducted a genome-wide association study using data from 1,325 participants in the pivotal phase three trial of apixaban with the aim to identify genetic factors affecting the pharmacokinetics of apixaban. A candidate gene analysis was also performed for pre-specified variants in ABCB1, ABCG2, CYP3A4, CYP3A5, and SULT1A1, with a subsequent analysis of all available polymorphisms within the candidate genes. Significant findings were further evaluated to assess a potential association with clinical outcome such as bleeding or thromboembolic events. No variant was consistently associated with an altered apixaban exposure on a genome-wide level. The candidate gene analyses showed a statistically significant association with a well-known variant in the drug transporter gene ABCG2 (c.421G > T, rs2231142). Patients carrying this variant had a higher exposure to apixaban [area under the curve (AUC), beta = 151 (95% CI 59-243), p = 0.001]. On average, heterozygotes displayed a 5% increase of AUC and homozygotes a 17% increase of AUC, compared with homozygotes for the wild-type allele. Bleeding or thromboembolic events were not significantly associated with ABCG2 rs2231142. This large genome-wide study demonstrates that genetic variation in the drug transporter gene ABCG2 is associated with the pharmacokinetics of apixaban. However, the influence of this finding on drug exposure was small, and further studies are needed to better understand whether it is of relevance for ischemic and bleeding events.
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| 5. |
- Attelind, Sofia, et al.
(författare)
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Identification of risk factors for adverse drug reactions in a pharmacovigilance database
- 2023
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Ingår i: Pharmacoepidemiology and Drug Safety. - : John Wiley & Sons. - 1053-8569 .- 1099-1557. ; 32:12, s. 1431-1438
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Tidskriftsartikel (refereegranskat)abstract
- Introduction In addition to identifying new safety signals, pharmacovigilance databases could be used to identify potential risk factors for adverse drug reactions (ADRs).Objective To evaluate whether data mining in a pharmacovigilance database can be used to identify known and possible novel risk factors for ADRs, for use in pharmacovigilance practice.Method Exploratory data mining was performed within the Swedish national database of spontaneously reported ADRs. Bleeding associated with direct oral anticoagulants (DOACs)-rivaroxaban, apixaban, edoxaban, and dabigatran-was used as a test model. We compared demographics, drug treatment, and clinical features between cases with bleeding (N = 965) and controls who had experienced other serious ADRs to DOACs (N = 511). Statistical analysis was performed by unadjusted and age adjusted logistic regression models, and the random forest based machine-learning method Boruta.Results In the logistic regression, 13 factors were significantly more common among cases of bleeding compared with controls. Eleven were labelled or previously proposed risk factors. Cardiac arrhythmia (e.g., atrial fibrillation), hypertension, mental impairment disorders (e.g., dementia), renal and urinary tract procedures, gastrointestinal ulceration and perforation, and interacting drugs remained significant after adjustment for age. In the Boruta analysis, high age, arrhythmia, hypertension, cardiac failure, thromboembolism, and pharmacodynamically interacting drugs had a larger than random association with the outcome. High age, cardiac arrhythmia, hypertension, cardiac failure, and pharmacodynamically interacting drugs had odds ratios for bleeding above one, while thromboembolism had an odds ratio below one.Conclusions We demonstrated that data mining within a pharmacovigilance database identifies known risk factors for DOAC bleeding, and potential risk factors such as dementia and atrial fibrillation. We propose that the method could be used in pharmacovigilance for identification of potential ADR risk factors that merit further evaluation.
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| 7. |
- Bayati, Zahra, 1958, et al.
(författare)
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Nytt centrum mot rasism får fel vetenskaplig inriktning
- 2015
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Ingår i: Göteborgs Posten. - 1103-9345. ; :2015-06-14
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Tidskriftsartikel (populärvet., debatt m.m.)abstract
- När rasism ska förstås som något som kan lösas genom att lära ut tolerans undergrävs förtroendet för regeringens satsning. Dessutom saknas det etnisk/rasifierad mångfald bland forskargruppen.
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