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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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- 2019
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Tidskriftsartikel (refereegranskat)
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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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| 9. |
- Humphries, Grant R. W., et al.
(författare)
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BRIDGING THE GAP FROM STUDENT TO SENIOR SCIENTIST : RECOMMENDATIONS FOR ENGAGING EARLY-CAREER SCIENTISTS IN PROFESSIONAL BIOLOGICAL SOCIETIES
- 2016
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Ingår i: Marine Ornithology. - : AFRICAN SEABIRD GROUP. - 1018-3337 .- 2074-1235. ; 44:2, s. 157-166
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Tidskriftsartikel (refereegranskat)abstract
- Despite their long-standing and central role in the dissemination, promotion and defense of science. scientific societies currently face a unique combination of economic, social and technological changes. As a result, one of the most pressing challenges facing many societies is declining membership due to reduced recruitment and a failure to retain members, particularly early-career scientists (ECSs). To ensure that professional biological societies retain long-term viability and relevance, the recruitment and retention of ECSs needs to be a main priority. Here we propose a series of recommendations that we, a group of ECSs, believe will help professional societies better integrate and retain ECSs. We discuss each recommendation and detail its implementation using examples from our personal experiences in the global seabird research and management communities and from our collective experience as members of several professional societies. We believe these recommendations will not only help recruit and retain ECSs as society members, but will also directly benefit the organizations themselves.
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| 10. |
- Morales, Hernán E., 1985, et al.
(författare)
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Concordant divergence of mitogenomes and a mitonuclear gene cluster in bird lineages inhabiting different climates
- 2018
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Ingår i: Nature Ecology & Evolution. - : Springer Science and Business Media LLC. - 2397-334X. ; 2:8, s. 1258-1267
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Tidskriftsartikel (refereegranskat)abstract
- Metabolic processes in eukaryotic cells depend on interactions between mitochondrial and nuclear gene products (mitonuclear interactions). These interactions could have a direct role in population divergence. Here, we study mitonuclear co-evolution in a widespread bird that experienced population divergence followed by bidirectional mitochondrial introgression into different nuclear backgrounds. Using >60,000 single nucleotide polymorphisms, we quantify patterns of nuclear genetic differentiation between populations that occupy areas with different climates and harbour deeply divergent mitochondrial lineages despite ongoing nuclear gene flow. We find that strong genetic differentiation and sequence divergence in a region of similar to 15.4 mega-bases on chromosome 1A mirror the geographic pattern of mitochondrial DNA divergence. This result is seen in two different transects representing populations with different nuclear backgrounds. The chromosome 1A region is enriched for genes performing mitochondrial functions (N-mt genes). Molecular signatures of selective sweeps in this region alongside those in the mitochondrial genome suggest a history of adaptive mitonuclear co-introgression. Moreover, evidence for large linkage disequilibrium blocks in this genomic region suggests that low recombination could facilitate functional interactions between co-evolved nuclear alleles. Our results are consistent with mitonuclear co-evolution as an important mechanism for population divergence and local adaptation.
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