| 51. |
- Liu, Yuanhua, 1971, et al.
(författare)
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Usability Tests as a Benchmarking Tool - A Case Study on Complex Medical Ventilators
- 2009
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Ingår i: Contemporary Ergonomics 2009. - 9780415804332 ; , s. 182-188
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Konferensbidrag (refereegranskat)abstract
- Medical ergonomics has become an important topic in the field of ergonomics due to the increasing deficiencies in medical device design. The aim of the present study was to use usability testing as a benchmarking tool of modern and complex ventilator machines in a real hospital setting to propose future redesign ideas for a target machine – SERVO-i. A usability study was carried out at the neonatal intensive care unit (ICU) with 6 expert nurses. During the tests, an artificial lung was used to simulate the real treatment context on a neonatal patient. A number of potential usability problems were detected on SERVO-i. Using Babylog and Stephanie as two reference machines, the strengths and weaknesses of SERVO-i were identified as well. Some valuable lessons were learnt from the study, which could be used as guidance for the choice of test subjects and control of tests in real life human-machine working environments.
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| 52. |
- Hellström, Lina, et al.
(författare)
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Impact of the Lund Integrated Medicines Management (LIMM) model on medication appropriateness and drug-related hospital revisits.
- 2011
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Ingår i: European Journal of Clinical Pharmacology. - : Springer Science and Business Media LLC. - 0031-6970 .- 1432-1041. ; 67:7, s. 741-752
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Tidskriftsartikel (refereegranskat)abstract
- PurposeTo examine the impact of systematic medication reconciliations when admitted to hospital, and medication review while in hospital, on the number of inappropriate medications and unscheduled drug-related hospital revisits in elderly patients.MethodsA prospective, controlled study in 210 patients, aged 65 years or older, who were admitted to one of three internal medicine wards at a University Hospital in Sweden. Patients received either standard care or care according to the Lund Integrated Medicines Management (LIMM) model. A multi-professional team, including a clinical pharmacist, provided medication reconciliations on admission and medication reviews during the hospital stay for the LIMM group. Blinded reviewers evaluated the appropriateness of the prescribing (using the Medication Appropriateness Index) on admission and discharge, and assessed the probability that a drug-related problem was the reason for any patient readmitted to hospital or visiting the emergency department within three months of discharge (using WHO causality criteria).ResultsThere was a greater decrease in the number of inappropriate drugs in the intervention group than in the control group for both the intention-to-treat population (51% [95% CI 43-58%] versus 39% [95% CI 30-48%], p=0.0446) and the per-protocol population (60% [95% CI 51-67%] versus 44% [95% CI 34-52 %], p=0.0106). There were 6 revisits to hospital in the intervention group which were judged as ‘possibly, probably or certainly drug-related’, compared with 12 in the control group (p=0.0469).ConclusionIn this study, medication reconciliation and reviews provided by a clinical pharmacist in a multi-professional team significantly reduced the number of inappropriate drugs and unscheduled drug-related hospital revisits for elderly patients.
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| 53. |
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| 54. |
- Svensberg, Karin, et al.
(författare)
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Nordic Pharmacy Students' Opinions of their Patient Communication Skills Training
- 2018
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Ingår i: American Journal of Pharmaceutical Education. - : American Association of Colleges of Pharmacy (AACP). - 0002-9459 .- 1553-6467. ; 82:2, s. 152-165
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Tidskriftsartikel (refereegranskat)abstract
- Objective. To describe Nordic pharmacy students' opinions of their patient communication skills training (PCST), and the association between course leaders' reports of PCST qualities and students' perceptions of their training. Secondary objective was to determine what factors influence these associations. Methods. A cross-sectional questionnaire-based study was performed. The various curricula were categorized into three types (basic, intermediate and innovative training) and students were divided into three groups according to the type of training they had received. Multivariable logistic regression models were fitted with different opinions as outcomes and three types of training as exposure, using generalized estimation equations. Results. There were 370 students who responded (response rate: 77%). Students within the innovative group were significantly more likely to agree that they had received sufficient training, and to agree with the assertion that the pharmacy school had contributed to their level of skills compared to students in the basic group. Conclusion. There appears to be an association between larger and varied programs of training in patient communication skills and positive attitudes toward this training on the part of the students, with students reporting that they received sufficient training, which likely enhanced their skills.
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| 55. |
- Turanli, Beste, et al.
(författare)
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Drug Repositioning for Effective Prostate Cancer Treatment
- 2018
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Ingår i: Frontiers in Physiology. - : Frontiers Media SA. - 1664-042X. ; 9
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Tidskriftsartikel (refereegranskat)abstract
- Drug repositioning has gained attention from both academia and pharmaceutical companies as an auxiliary process to conventional drug discovery. Chemotherapeutic agents have notorious adverse effects that drastically reduce the life quality of cancer patients so drug repositioning is a promising strategy to identify non-cancer drugs which have anti-cancer activity as well as tolerable adverse effects for human health. There are various strategies for discovery and validation of repurposed drugs. In this review, 25 repurposed drug candidates are presented as result of different strategies, 15 of which are already under clinical investigation for treatment of prostate cancer (PCa). To date, zoledronic acid is the only repurposed, clinically used, and approved non-cancer drug for PCa. Anti-cancer activities of existing drugs presented in this review cover diverse and also known mechanisms such as inhibition of mTOR and VEGFR2 signaling, inhibition of PI3K/Akt signaling, COX and selective COX-2 inhibition, NF-kappa B inhibition, Wnt/beta - Catenin pathway inhibition, DNMT1 inhibition, and GSK-3 beta inhibition. In addition to monotherapy option, combination therapy with current anti-cancer drugs may also increase drug efficacy and reduce adverse effects. Thus, drug repositioning may become a key approach for drug discovery in terms of time- and cost-efficiency comparing to conventional drug discovery and development process.
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| 56. |
- Skiöld, Sara, et al.
(författare)
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Unique proteomic signature for radiation sensitive patients; a comparative study between normo-sensitive and radiation sensitive breast cancer patients
- 2015
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Ingår i: Mutation research. - : Elsevier BV. - 0027-5107 .- 1873-135X. ; 776, s. 128-135
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Tidskriftsartikel (refereegranskat)abstract
- Radiation therapy is a cornerstone of modern cancer treatment. Understanding the mechanisms behind normal tissue sensitivity is essential in order to minimize adverse side effects and yet to prevent local cancer reoccurrence. The aim of this study was to identify biomarkers of radiation sensitivity to enable personalized cancer treatment. To investigate the mechanisms behind radiation sensitivity a pilot study was made where eight radiation-sensitive and nine normo-sensitive patients were selected from a cohort of 2914 breast cancer patients, based on acute tissue reactions after radiation therapy. Whole blood was sampled and irradiated in vitro with 0, 1, or 150 mGy followed by 3 h incubation at 37 degrees C. The leukocytes of the two groups were isolated, pooled and protein expression profiles were investigated using isotope-coded protein labeling method (ICPL). First, leukocytes from the in vitro irradiated whole blood from normo-sensitive and extremely sensitive patients were compared to the non-irradiated controls. To validate this first study a second ICPL analysis comparing only the non-irradiated samples was conducted. Both approaches showed unique proteomic signatures separating the two groups at the basal level and after doses of 1 and 150 mGy. Pathway analyses of both proteomic approaches suggest that oxidative stress response, coagulation properties and acute phase response are hallmarks of radiation sensitivity supporting our previous study on oxidative stress response. This investigation provides unique characteristics of radiation sensitivity essential for individualized radiation therapy.
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| 57. |
- Abu-Youssef, Morsy A.M., et al.
(författare)
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Synthesis and Structure of Silver Complexes with Nicotinate-Type Ligands Having Antibacterial Activities against Clinically Isolated Antibiotic Resistant Pathogens
- 2007
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Ingår i: Inorganic Chemistry. - : American Chemical Society (ACS). - 0020-1669 .- 1520-510X. ; 46:15, s. 5893-5903
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Tidskriftsartikel (refereegranskat)abstract
- The synthesis and low-temperature X-ray crystal structures of five new silver complexes, [Ag2-μ-O,O'(2-aminonicotinium)2(NO3)2]n (7), [Ag(isonicotinamide)2-μ-O,O'(NO3)]2 (8), [Ag(ethyl nicotinate)2](NO3) (9), [Ag(ethyl isonicotinate)2(NO3)] (10), and [Ag(methyl isonicotinate)2(H2O)](NO3) (11), are presented and fully characterized by spectral and elemental analysis. The antimicrobial activities of these complexes were screened using 12 different clinical isolates belonging to four pathogenic bacteria, S. aureus, S. pyogenes, P. mirabilis, and Ps. Aeruginosa, all obtained from diabetic foot ulcers. These tested bacteria were resistant for at least 10 antibiotics commonly used for treatment of diabetic foot ulcers. Compounds 7 and 8 had considerable activity against Ps. Aeruginosa (MIC values 2-8 µg/mL), compound 9 against S. aureus (MIC 4-16 µg/mL) and S. pyogenes (MIC 2-4 µg/mL), and also 9 and 11 against P. mirabilis (MIC 1-16 µg/mL). All complexes were non-toxic for daphnia at concentrations above 512 µg/mL overnight.
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| 58. |
- Bondesson, Åsa ÅB, et al.
(författare)
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A structured questionnaire to assess patient compliance and beliefs about medicines taking into account the ordered categorical structure of data
- 2009
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Ingår i: Journal of Evaluation In Clinical Practice. - : Wiley. - 1356-1294 .- 1365-2753. ; 15:4, s. 713-723
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Tidskriftsartikel (refereegranskat)abstract
- RATIONALE, AIMS AND OBJECTIVE: The objectives were to describe and evaluate the structured medication questionnaire and to improve data handling of results from the Morisky four-item scale for patient compliance and Beliefs about Medicines Questionnaire-specific (BMQ-specific). METHODS: A questionnaire was developed with the purpose of being used when identifying medication errors and assessing patient compliance to and beliefs about medicines. RESULTS: A majority of the respondents (62%; CI 45-77%) had at least one medication error. Assuming that all items are equally important in the Morisky four-item scale we presented four alternative ways to create a unidimensional global scale. A two-dimensional global scale was also constructed. The results from the BMQ-specific were presented in different ways, all taking into account that the scale has ordered verbal categories: at the level addressing each specific question, at the sub-scales 'concern' and 'necessity' level and at the global level. CONCLUSIONS: The structured medication questionnaire can be used in daily practice as a tool to identify drug-related problems. The choice of how to use and present data from those scales in research depends on patient characteristics and how discriminating one would like the scales to be.
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| 59. |
- Turanli, Beste, et al.
(författare)
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A Network-Based Cancer Drug Discovery: From Integrated Multi-Omics Approaches to Precision Medicine
- 2018
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Ingår i: Current Pharmaceutical Design. - : Bentham Science Publishers Ltd.. - 1873-4286 .- 1381-6128. ; 24:32, s. 3778-3790
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Forskningsöversikt (refereegranskat)abstract
- A complex framework of interacting partners including genetic, proteomic, and metabolic networks that cooperate to mediate specific functional phenotypes drives human biological processes. Recent technological and analytical advances in "omic" sciences allow the identification and elucidation of reprogramming biological functions in response to perturbations in cells and tissues. To understand such a complex system, biological networks are generated to reduce the complexity into relatively simple models, and the integration of these molecular networks from different perspectives is implemented for a holistic interpretation of the entire system. Ultimately, network-based methods will effectively facilitate the development and improvement of precision medicine by directing therapies based on the underlying biology of a given patient's disease. The goal of precision medicine is to identify novel therapeutic strategies that can be optimized for each disease type or each patient based on the underlying genetic, environmental, and lifestyle factors. Pharmaco-omics analyses based on an integration of pharmacology and various "omics" data types can be employed to develop effective treatment strategies using particular drugs and doses that are tailored to each individual. In the current review, we first present the core elements of network-based systems biology in the context of pharmaco-omics followed by integration of multi-omics data using various biological networks. Next, we provide an opening into precise medicine and drug targeting based on network approaches. Lastly, we review the current significant efforts as well as the accomplishments and limitations in precise drug targeting with the utility of network-based guided drug discovery methods for effective treatment of breast cancer.
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| 60. |
- Lindberg, Frida A., et al.
(författare)
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SLC38A10 knockout mice display a decreased body weight and an increased risk-taking behavior in the open field test
- 2022
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Ingår i: Frontiers in Behavioral Neuroscience. - : Frontiers Media S.A.. - 1662-5153. ; 16
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Tidskriftsartikel (refereegranskat)abstract
- The solute carrier 38 family (SLC38) is a family of 11 members. The most commonsubstrate among these are alanine and glutamine, and members are present in a widerange of tissues with important functions for several biological processes, such as liverand brain function. Some of these transporters are better characterized than others and,in this paper, a behavioral characterization of SLC38A10−/− mice was carried out. Abattery of tests for general activity, emotionality, motor function, and spatial memorywere used. Among these tests, the elevated plus maze, Y-maze, marble burying, andchallenging beamwalk have not been tested on the SLC38A10−/− mice previously, whilethe open field and the rotarod tests have been performed by the International MousePhenotyping Consortium (IMPC). Unlike the results from IMPC, the results from this studyshowed that SLC38A10−/− mice spend less time in the wall zone in the open field testthan WT mice, implying that SLC38A10-deficient mice have an increased explorativebehavior, which suggests an important function of SLC38A10 in brain. The present studyalso confirmed IMPC’s data regarding rotarod performance and weight, showing thatSLC38A10−/− mice do not have an affected motor coordination impairment and havea lower body weight than both SLC38A10+/− and SLC38A10+/+ mice. These resultsimply that a complete deficiency of the SLC38A10 protein might affect body weighthomeostasis, but the underlying mechanisms needs to be studied further.
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