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- Thomas, HS, et al.
(författare)
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- 2019
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swepub:Mat__t
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- Ademuyiwa, Adesoji O., et al.
(författare)
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Determinants of morbidity and mortality following emergency abdominal surgery in children in low-income and middle-income countries
- 2016
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Ingår i: BMJ Global Health. - : BMJ Publishing Group Ltd. - 2059-7908. ; 1:4
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Tidskriftsartikel (refereegranskat)abstract
- Background: Child health is a key priority on the global health agenda, yet the provision of essential and emergency surgery in children is patchy in resource-poor regions. This study was aimed to determine the mortality risk for emergency abdominal paediatric surgery in low-income countries globally.Methods: Multicentre, international, prospective, cohort study. Self-selected surgical units performing emergency abdominal surgery submitted prespecified data for consecutive children aged <16 years during a 2-week period between July and December 2014. The United Nation's Human Development Index (HDI) was used to stratify countries. The main outcome measure was 30-day postoperative mortality, analysed by multilevel logistic regression.Results: This study included 1409 patients from 253 centres in 43 countries; 282 children were under 2 years of age. Among them, 265 (18.8%) were from low-HDI, 450 (31.9%) from middle-HDI and 694 (49.3%) from high-HDI countries. The most common operations performed were appendectomy, small bowel resection, pyloromyotomy and correction of intussusception. After adjustment for patient and hospital risk factors, child mortality at 30 days was significantly higher in low-HDI (adjusted OR 7.14 (95% CI 2.52 to 20.23), p<0.001) and middle-HDI (4.42 (1.44 to 13.56), p=0.009) countries compared with high-HDI countries, translating to 40 excess deaths per 1000 procedures performed.Conclusions: Adjusted mortality in children following emergency abdominal surgery may be as high as 7 times greater in low-HDI and middle-HDI countries compared with high-HDI countries. Effective provision of emergency essential surgery should be a key priority for global child health agendas.
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- Wennerström, Lovisa, et al.
(författare)
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Genetic biodiversity in the Baltic Sea: Species-specific patterns challenge management
- 2013
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Ingår i: Biodiversity and Conservation. - : Springer Science and Business Media LLC. - 0960-3115 .- 1572-9710. ; 22:13-14, s. 3045-3065
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Tidskriftsartikel (refereegranskat)abstract
- Information on spatial and temporal patterns of genetic diversity is a prerequisite to understanding the demography of populations, and is fundamental to successful management and conservation of species. In the sea, it has been observed that oceanographic and other physical forces can constitute barriers to gene flow that may result in similar population genetic structures in different species. Such similarities among species would greatly simplify management of genetic biodiversity. Here, we tested for shared genetic patterns in a complex marine area, the Baltic Sea. We assessed spatial patterns of intraspecific genetic diversity and differentiation in seven ecologically important species of the Baltic ecosystem-Atlantic herring (Clupea harengus), northern pike (Esox lucius), European whitefish (Coregonus lavaretus), three-spined stickleback (Gasterosteus aculeatus), nine-spined stickleback (Pungitius pungitius), blue mussel (Mytilus spp.), and bladderwrack (Fucus vesiculosus). We used nuclear genetic data of putatively neutral microsatellite and SNP loci from samples collected from seven regions throughout the Baltic Sea, and reference samples from North Atlantic areas. Overall, patterns of genetic diversity and differentiation among sampling regions were unique for each species, although all six species with Atlantic samples indicated strong resistence to Atlantic-Baltic gene-flow. Major genetic barriers were not shared among species within the Baltic Sea; most species show genetic heterogeneity, but significant isolation by distance was only detected in pike and whitefish. These species-specific patterns of genetic structure preclude generalizations and emphasize the need to undertake genetic surveys for species separately, and to design management plans taking into consideration the specific structures of each species. © 2013 The Author(s).
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- Shepherd, C. E., et al.
(författare)
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Inflammatory S100A9 and S100A12 proteins in Alzheimer's disease
- 2006
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Ingår i: Neurobiology of Aging. - : Elsevier BV. - 0197-4580 .- 1558-1497. ; 27:11, s. 1554-1563
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Tidskriftsartikel (refereegranskat)abstract
- Inflammation, insoluble protein deposition and neuronal cell loss are important features of the Alzheimer's disease (AD) brain. S100B is associated with the neuropathological hallmarks of AD where it is thought to play a role in neuritic pathology. S100A8, S100A9 and S100A12 comprise anew group of inflammation-associated proteins that are constitutively expressed by neutrophils and inducible in numerous inflammatory cells. We investigated expression of S100B, S100A8, S100A9 and S100A12 in brain samples from sporadic and familial (PS-1) AD cases and controls using immunohistochemistry and Western blot analysis. S100B, S100A9 and S100A12, but not S100A8, were consistently associated with the neuropathological hallmarks of AD. Western blot analysis confirmed significant increases in soluble S100A9 in PS-1 AD compared to controls. S100A9 complexes that were resistant to reduction were also evident in brain extracts. A reactive component of a size consistent with hexameric S100A12 was seen in all cases. This study indicates a potential role for pro-inflammatory S100A9 and S100A12 in pathogenesis caused by inflammation and protein complex formation in AD.
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