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- Godman, B, et al.
(författare)
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Strategies to Improve Antimicrobial Utilization with a Special Focus on Developing Countries
- 2021
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Ingår i: Life (Basel, Switzerland). - : MDPI AG. - 2075-1729. ; 11:6
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Tidskriftsartikel (refereegranskat)abstract
- Antimicrobial resistance (AMR) is a high priority across countries as it increases morbidity, mortality and costs. Concerns with AMR have resulted in multiple initiatives internationally, nationally and regionally to enhance appropriate antibiotic utilization across sectors to reduce AMR, with the overuse of antibiotics exacerbated by the COVID-19 pandemic. Effectively tackling AMR is crucial for all countries. Principally a narrative review of ongoing activities across sectors was undertaken to improve antimicrobial use and address issues with vaccines including COVID-19. Point prevalence surveys have been successful in hospitals to identify areas for quality improvement programs, principally centering on antimicrobial stewardship programs. These include reducing prolonged antibiotic use to prevent surgical site infections. Multiple activities centering on education have been successful in reducing inappropriate prescribing and dispensing of antimicrobials in ambulatory care for essentially viral infections such as acute respiratory infections. It is imperative to develop new quality indicators for ambulatory care given current concerns, and instigate programs with clear public health messaging to reduce misinformation, essential for pandemics. Regular access to effective treatments is needed to reduce resistance to treatments for HIV, malaria and tuberculosis. Key stakeholder groups can instigate multiple initiatives to reduce AMR. These need to be followed up.
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- Dick, FD, et al.
(författare)
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Environmental risk factors for Parkinson's disease and parkinsonism : The Geoparkinson study
- 2007
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Ingår i: Occupational and Environmental Medicine. - : BMJ. - 1351-0711 .- 1470-7926. ; 64:10, s. 666-672
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To investigate the associations between Parkinson's disease and other degenerative parkinsonian syndromes and environmental factors in five European countries. Methods: A case-control study of 959 prevalent cases of parkinsonism (767 with Parkinson's disease) and 1989 controls in Scotland, Italy, Sweden, Romania and Malta was carried out. Cases were defined using the United Kingdom Parkinson's Disease Society Brain Bank criteria, and those with drug-induced or vascular parkinsonism or dementia were excluded. Subjects completed an interviewer-administered questionnaire about lifetime occupational and hobby exposure to solvents, pesticides, iron, copper and manganese. Lifetime and average annual exposures were estimated blind to disease status using a job-exposure matrix modified by subjective exposure modelling. Results were analysed using multiple logistic regression, adjusting for age, sex, country, tobacco use, ever knocked unconscious and family history of Parkinson's disease. Results: Adjusted logistic regression analyses showed significantly increased odds ratios for Parkinson's disease/parkinsonism with an exposure-response relationship for pesticides (low vs no exposure, odds ratio (OR) =1.13, 95% Cl 0.82 to 1.57, high vs no exposure, OR =1.41, 95% Cl 1.06 to 1.88) and ever knocked unconscious (once vs never, OR= 1.35, 95% Cl 1.09 to 1.68, more than once vs never, OR = 2.53, 95% Cl 1.78 to 3.59). Hypnotic, anxiolytic or antidepressant drug use for more than 1 year and a family history of Parkinson's disease showed significantly increased odds ratios. Tobacco use was protective (OR = 0.50, 95% Cl 0.42 to 0.60). Analyses confined to subjects with Parkinson's disease gave similar results. Conclusions: The association of pesticide exposure with Parkinson's disease suggests a causative role. Repeated traumatic loss of consciousness is associated with increased risk.
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- Dick, FD, et al.
(författare)
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Gene-environment interactions in parkinsonism and Parkinson's disease : The Geoparkinson study
- 2007
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Ingår i: Occupational and Environmental Medicine. - : BMJ. - 1351-0711 .- 1470-7926. ; 64:10, s. 673-680
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: To investigate associations of Parkinson's disease (PD) and parkinsonian syndromes with polymorphic genes that influence metabolism of either foreign chemical substances or dopamine and to seek evidence of gene-environment interaction effects that modify risk. Methods: A case-control study of 959 prevalent cases of parkinsonism (767 with PD) and 1989 controls across five European centres. Occupational hygienists estimated the average annual intensity of exposure to solvents, pesticides and metals, (iron, copper, manganese), blind to disease status. CYP2D6, PON1, GSTM1, GSTT1, GSTM3, GSTP1, NQO1, CYP1B1, MAO-A, MAO-B, SOD 2, EPHX, DATl, DRD2 and NAT2 were genotyped. Results were analysed using multiple logistic regression adjusting for key confounders. Results: There was a modest but significant association between MAO-A polymorphism in males and disease risk (G vs T, OR 1.30, 95% C1 1.02 to 1.66, adjusted). The majority of gene-environment analyses did not show significant interaction effects. There were possible interaction effects between GSTM1 null genotype and solvent exposure (which were stronger when limited to PD cases only). Conclusions: Many small studies have reported associations between genetic polymorphisms and PD. Fewer have examined gene-environment interactions. This large study was sufficiently powered to examine these aspects. GSTM1 null subjects heavily exposed to solvents appear to be at increased risk of PD. There was insufficient evidence that the other gene-environment combinations investigated modified disease risk, suggesting they contribute little to the burden of PD.
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| 7. |
- O'Mahony, M. A., et al.
(författare)
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Investigation into the mechanism of solution-mediated transformation from FI to FIII carbamazepine : The role of dissolution and the interaction between polymorph surfaces
- 2013
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Ingår i: Crystal Growth and Design. - : American Chemical Society (ACS). - 1528-7505 .- 1528-7483. ; 13:5, s. 1861-1871
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Tidskriftsartikel (refereegranskat)abstract
- The solution mediated polymorphic transformation (SMPT) of the pharmaceutical compound carbamazepine was investigated in ethanol. Bulk transformation experiments were performed by monitoring the solution concentration and polymorphic composition over time during the transformation from the metastable FI polymorph to the stable FIII polymorph for a variety of initial conditions. Microscopic techniques, single-crystal X-ray diffraction, and computational methods were used to analyze the transformation. The nucleating behavior of the stable FIII polymorph was a significant factor affecting the transformation time across the range of experiments. The surfaces of the metastable FI particles were responsible for the nucleation of FIII during the transformation. However, no specific lattice matching or epitaxy was conclusively identified. A modest amount of dissolution of the FI particles was found to favor the nucleation of FIII but where extensive dissolution or no significant dissolution occurred this had a negative effect on the nucleation of FIII.
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