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Sökning: WFRF:(Gustafsson Maria) > (2015-2019)

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  • Dalin, Frida, 1984-, et al. (författare)
  • Clinical and immunological characteristics of Autoimmune Addison's disease : a nationwide Swedish multicenter study
  • 2017
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : Oxford University Press. - 0021-972X .- 1945-7197. ; 102:2, s. 379-389
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: Studies on clinical and immunological features of Autoimmune Addison's disease (AAD) are needed to understand the disease burden and increased mortality.OBJECTIVE: To provide upgraded data on autoimmune comorbidities, replacement therapy, autoantibody profiles and cardiovascular risk factors.DESIGN, SETTING AND PARTICIPANTS: Cross sectional, population-based study. 660 AAD patients were included utilizing the Swedish Addison Registry (SAR) 2008-2014. When analyzing cardiovascular risk factors, 3,594 individuals from the population-based survey in Northern Sweden, MONICA (MONItoring of Trends and Determinants of CArdiovascular Disease), served as controls.MAIN OUTCOME MEASURE: Prevalence of autoimmune comorbidities and cardiovascular risk factors. Autoantibodies against 13 autoantigens were determined.RESULTS: Sixty percent of the SAR cohort consisted of females. Mean age at diagnosis was significantly higher for females than for males (36.8 vs. 31.1 years). The proportion of 21-hydroxylase autoantibody positive patients was 83% and 62% of patients had one or more associated autoimmune diseases, more frequently coexisting in females (p<0.0001). AAD patients had lower BMI (p<0.0001) and prevalence of hypertension (p=0.027) compared with controls. Conventional hydrocortisone tablets were used by 89% of patients; with the mean dose 28.1±8.5 mg/day. The mean hydrocortisone equivalent dose normalized to body surface was 14.8±4.4 mg/m(2)/day. Higher hydrocortisone equivalent dose was associated with higher incidence of hypertension (p=0.046).CONCLUSIONS: Careful monitoring of AAD patients is warranted to detect associated autoimmune diseases. Contemporary Swedish AAD patients do not have increased prevalence of overweight, hypertension, T2DM or hyperlipidemia. However, high glucocorticoid replacement doses may be a risk factor for hypertension.
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  • Wessel, Jennifer, et al. (författare)
  • Low-frequency and rare exome chip variants associate with fasting glucose and type 2 diabetes susceptibility
  • 2015
  • Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 6
  • Tidskriftsartikel (refereegranskat)abstract
    • Fasting glucose and insulin are intermediate traits for type 2 diabetes. Here we explore the role of coding variation on these traits by analysis of variants on the HumanExome BeadChip in 60,564 non-diabetic individuals and in 16,491 T2D cases and 81,877 controls. We identify a novel association of a low-frequency nonsynonymous SNV in GLP1R (A316T; rs10305492; MAF = 1.4%) with lower FG (beta = -0.09 +/- 0.01 mmol l(-1), P = 3.4 x 10(-12)), T2D risk (OR[95% CI] = 0.86[0.76-0.96], P = 0.010), early insulin secretion (beta = -0.07 +/- 0.035 pmol(insulin) mmol(glucose)(-1), P = 0.048), but higher 2-h glucose (beta = 0.16 +/- 0.05 mmol l(-1), P = 4.3 x 10(-4)). We identify a gene-based association with FG at G6PC2 (p(SKAT) = 6.8 x 10(-6)) driven by four rare protein-coding SNVs (H177Y, Y207S, R283X and S324P). We identify rs651007 (MAF = 20%) in the first intron of ABO at the putative promoter of an antisense lncRNA, associating with higher FG (beta = 0.02 +/- 0.004 mmol l(-1), P = 1.3 x 10(-8)). Our approach identifies novel coding variant associations and extends the allelic spectrum of variation underlying diabetes-related quantitative traits and T2D susceptibility.
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6.
  • Gustafsson, Håkan, et al. (författare)
  • Visualization of oxidative stress in ex vivo biopsies using electron paramagnetic resonance imaging
  • 2015
  • Ingår i: Magnetic Resonance in Medicine. - : Wiley. - 0740-3194 .- 1522-2594. ; 73:4, s. 1682-1691
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: The purpose of this study was to develop an X-Band electron paramagnetic resonance imaging protocol for visualization of oxidative stress in biopsies.METHODS: The developed electron paramagnetic resonance imaging protocol was based on spin trapping with the cyclic hydroxylamine spin probe 1-hydroxy-3-methoxycarbonyl-2,2,5,5-tetramethylpyrrolidine and X-Band EPR imaging. Computer software was developed for deconvolution and back-projection of the EPR image. A phantom containing radicals of known spatial characteristic was used for evaluation of the developed protocol. As a demonstration of the technique electron paramagnetic resonance imaging of oxidative stress was performed in six sections of atherosclerotic plaques. Histopathological analyses were performed on adjoining sections.RESULTS: The developed computer software for deconvolution and back-projection of the EPR images could accurately reproduce the shape of a phantom of known spatial distribution of radicals. The developed protocol could successfully be used to image oxidative stress in six sections of the three ex vivo atherosclerotic plaques.CONCLUSIONS: We have shown that oxidative stress can be imaged using a combination of spin trapping with the cyclic hydroxylamine spin probe cyclic hydroxylamine spin probe 1-hydroxy-3-methoxycarbonyl-2,2,5,5-tetramethylpyrrolidine and X-Band EPR imaging. A thorough and systematic evaluation on different types of biopsies must be performed in the future to validate the proposed technique. Magn Reson Med, 2014.
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7.
  • Gustafsson, Maria, et al. (författare)
  • Drug-related hospital admissions among old people with dementia
  • 2016
  • Ingår i: European Journal of Clinical Pharmacology. - : Springer Science and Business Media LLC. - 0031-6970 .- 1432-1041. ; 72:9, s. 1143-1153
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: Drug treatment associated problems are common and are the cause of a large proportion of hospitalizations in oldpeople. People with dementia are especially at risk of drug-related problems. The objectives of this study were to assess the occurrence and character of drug-related problems that lead to acute hospital admissions among old people (≥65 years) with dementia or cognitive impairment.METHODS: This study was conducted in orthopedic and internal medicine wards in two hospitals in Northern Sweden. Information about acute admissions was collected from the medical records. A total of 458 people aged 65 years or older with dementia or cognitive impairment were included in the study. The contribution of drug-related problems to each hospitalization was assessed.RESULTS: Of 458 acute hospital admissions, 189 (41.3 %) were determined to be drug-related. The most common drug-relatedproblem (86/189; 45.5 %) was an adverse drug reaction. In total, 264 drugs were judged to be involved in 189 drug-relatedadmissions, of which cardiovascular (29.5 %) and psychotropic (26.9 %) drugs were the most commonly involved drug classes. The relationship between the drug-related problem and the admission was judged certain in 25 cases, probable in 78 cases, and possible in 86 cases. Drug-related admissions were more common among people taking more drugs (p = 0.035) and among younger patients (p = 0.031).CONCLUSION: Drug-related problems appear to be responsible for a major proportion of hospitalizations among old peoplewith dementia or cognitive impairment. Targeted interventions such as education and medication reviews may be warranted to reduce drug-related problems.
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8.
  • Gustafsson, Maria, et al. (författare)
  • Effects of pharmacists' interventions on inappropriate drug use and drug-related readmissions in people with dementia : a secondary analysis of a randomized controlled trial
  • 2018
  • Ingår i: Pharmacy. - Basel : MDPI. - 2226-4787. ; 6:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Age-associated physiological changes and extensive drug treatment including use of potentially inappropriate medications (PIMs) pose a significant risk of drug-drug interactions and adverse drug events among elderly people with dementia. This study aimed at analysing the effects of clinical pharmacists' interventions on use of PIMs, risk of emergency department visits, and time to institutionalization. Furthermore, a descriptive analysis was conducted of circumstances associated with drug-related readmissions. This is a secondary analysis of data from a randomized controlled intervention study conducted in two hospitals in Northern Sweden. The study included patients (n = 460) 65 years or older with dementia or cognitive impairment. The intervention consisted of comprehensive medication reviews conducted by clinical pharmacists as part of a healthcare team. There was a larger decrease in PIMs in the intervention group compared with the control group (p= 0.011). No significant difference was found in time to first all-cause emergency department visits (HR = 0.994, 95% CI = 0.755-1.307 p = 0.963, simple Cox regression) or time to institutionalization (HR = 0.761, 95% CI = 0.409-1.416 p = 0.389, simple Cox regression) within 180 days. Common reasons for drug-related readmissions were negative effects of sedatives, opioids, antidepressants, and anticholinergic agents, resulting in confusion, falling, and sedation. Drug-related readmissions were associated with living at home, heart failure, and diabetes. Pharmacist-provided interventions were able to reduce PIMs among elderly people with dementia and cognitive impairment.
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9.
  • Gustafsson, Maria, 1971- (författare)
  • Optimizing drug therapy among people with dementia : the role of clinical pharmacists
  • 2016
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Background: Drugs are one of the cornerstones in the management of many diseases. In general, drugs are used for diagnosis, prevention, mitigation of symptoms, and, sometimes, to cure disease. However, drug treatment in elderly people, especially those with dementia and cognitive impairments, may involve significant risk of adverse drug events.  The aim of this thesis was to identify the extent of potentially inappropriate drug treatment among people with dementia and cognitive impairment and to assess the occurrence and character of drug-related problems that lead to acute hospital admissions. Another aim was to assess the potential impact of a comprehensive medication review conducted by clinical pharmacists as part of a health care team on quality of patients’ drug therapy and drug-related hospital readmission rates.Method: Long-term use of antipsychotic/psychotropic drugs and associated factors were investigated among 344 and 278 people respectively with dementia living in specialized care units. Trends in the prescribing of potentially inappropriate drugs between 2007 and 2013, comprising 2772 and 1902 people, living in nursing homes in the county of Västerbotten, were assessed using six national quality indicators. Data on drug use, function in the activities of daily living, cognitive function and behavioral and psychological symptoms were collected using the Multi-Dimensional Dementia Assessment Scale. Further, an investigation of a separate corresponding population from 2012 was done, where potentially inappropriate drug use was measured before and after a total of 895 medication reviews. Finally, a randomized, controlled trial was carried out among people 65 years or older with dementia or cognitive impairment in internal medicine and orthopedic wards at two hospitals in northern Sweden. The proportion of hospital admissions that were drug-related were estimated, and also whether comprehensive medication reviews conducted by clinical pharmacists as part of a health care team could affect the risk of drug-related hospital readmissions.Results: Antipsychotic and other psychotropic drugs were frequently prescribed to people with dementia living in specialized care units for prolonged periods. Associations were found between behavioral and psychological symptoms and different psychotropic drugs. The extent of potentially inappropriate drug use declined between 2007 and 2013. In the separate corresponding population from 2012, the frequency of potentially inappropriate drug use was significantly reduced among people who underwent medication reviews. Hospitalizations due to drug-related problems among old people with dementia or cognitive impairment were prevalent. We found that inclusion of a clinical pharmacist in the health care team significantly reduced the risk of drug-related 30-day and 180-day readmissions. However, in a subset of patients with concomitant heart failure no effect was seen.Conclusion: Among patients with dementia or cognitive impairment long-term treatment with antipsychotic and other psychotropic drugs is common. The results indicate that these drugs are prescribed to treat behavioral and psychological symptoms among cognitively impaired individuals, despite limited evidence of their efficacy and the high risk of adverse effects. Drug-related problems, such as adverse drug reactions, constituted a major cause of hospital admissions. By reducing potentially inappropriate drug use and optimizing overall drug therapy, inclusion of clinical pharmacists in a health care team might improve the quality of patient care and reduce the risk of hospital readmissions among people with dementia.
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10.
  • Gustafsson, Maria, et al. (författare)
  • Pharmacist participation in hospital ward teams and hospital readmission rates among people with dementia : a randomized controlled trial
  • 2017
  • Ingår i: European Journal of Clinical Pharmacology. - : Springer. - 0031-6970 .- 1432-1041. ; 7:73, s. 827-835
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: To assess whether comprehensive medication reviews conducted by clinical pharmacists as part of a healthcare team reduce drug-related hospital readmission rates among people with dementia or cognitive impairment.Methods: This randomized controlled trial was carried out between January 9, 2012, and December 2, 2014. Patients aged ≥65 years with dementia or cognitive impairment admitted to three wards at two hospitals located in Northern Sweden were included.Results: Of the 473 deemed eligible for participation, 230 were randomized to intervention and 230 to control group by block randomization. The primary outcome, risk of drug-related hospital readmissions, was assessed at 180 days of follow-up by intention-to-treat analysis.During the 180 days of follow-up, 18.9% (40/212) of patients in the intervention group and 23.0% (50/217) of those in the control group were readmitted for drug-related reasons (HR = 0.80, 95% CI = 0.53–1.21, p = 0.28, univariable Cox regression). Heart failure was significantly more common in the intervention group. After adjustment for heart failure as a potential confounder and an interaction term, multiple Cox regression analysis indicated that pharmacist participation significantly reduced the risk of drug-related readmissions (HR = 0.49, 95% CI = 0.27–0.90, p = 0.02). A post-hoc analysis showed a significantly reduced risk of 30-day readmissions due to drug-related problems in the total sample (without adjustment for heart failure).Conclusion: Participation of clinical pharmacists in healthcare team conducting comprehensive medication reviews did not significantly reduce the risk of drug-related readmissions in patients with dementia or cognitive impairment; however, post-hoc and subgroup analyses indicated significant effects favoring the intervention. More research is needed.Trial registration: Clinical trials NCT01504672.
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