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712 result(s) for "Ivan, Monica"
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Sixty‐eight consecutive patients assessed for COVID‐19 infection: Experience from a UK Regional infectious diseases Unit
Background Assessment of possible infection with SARS‐CoV‐2, the novel coronavirus responsible for COVID‐19 illness, has been a major activity of infection services since the first reports of cases in December 2019. Objectives We report a series of 68 patients assessed at a Regional Infection Unit in the UK. Methods Between 29 January 2020 and 24 February 2020, demographic, clinical, epidemiological and laboratory data were collected. We compared clinical features between patients not requiring admission for clinical reasons or antimicrobials with those assessed as needing either admission or antimicrobial treatment. Results Patients assessed were aged from 0 to 76 years; 36/68 were female. Peaks of clinical assessments coincided with updates to the case definition for suspected COVID‐19. Microbiological diagnoses included SARS‐CoV‐2, mycoplasma pneumonia, influenza A, non‐SARS/MERS coronaviruses and rhinovirus/enterovirus. Nine of sixty‐eight received antimicrobials, 15/68 were admitted, 5 due to inability to self‐isolate. Patients requiring admission on clinical grounds or antimicrobials (14/68) were more likely to have fever or raised respiratory rate compared to those not requiring admission or antimicrobials. Conclusions The majority of patients had mild illness, which did not require clinical intervention. This finding supports a community testing approach, supported by clinicians able to review more unwell patients. Extensions of the epidemiological criteria for the case definition of suspected COVID‐19 lead to increased screening intensity; strategies must be in place to accommodate this in time for forthcoming changes as the epidemic develops.
Tedizolid: a service evaluation in a large UK teaching hospital
Tedizolid is a new oxazolidinone antibiotic with little real-life data on use outside of skin and soft tissue infections. There is a paucity of safety evidence in courses greater than 6 days. Our centre uses tedizolid predominantly when linezolid-associated adverse events have occurred. This service evaluation describes our experience to date. We performed a retrospective service evaluation by reviewing case notes, prescription charts, and laboratory system results for each patient prescribed tedizolid at our hospital and recording patient demographics, clinical details, and outcomes. Sixty patients received tedizolid between May 2016 and November 2018. Most were treated for bone or joint infections and had stopped linezolid prior to tedizolid prescription. Mean length of tedizolid therapy was 27 days. Haematological adverse effects were infrequent. Most patients (72%) finished the course and their clinical condition improved during treatment (72%). Adverse events were common, but often not thought to be tedizolid related. Tedizolid appears to be safe in prolonged courses within this context. It may be suitable for longer-term antibiotic therapy within a complex oral and parenteral outpatient antibiotic therapy (COPAT) service. Patients who do not tolerate linezolid can be safely switched to tedizolid if appropriate.
Contributos do PNUD para o Desenvolvimento de São Tomé e Príncipe
Este relatório de estágio é o culminar dos meus estudos do 2º ciclo, conducentes à obtenção do grau de Mestre em economia, especialidade crescimento económico e politicas estruturais, FEUC. Reflecte os conhecimentos e competências adquiridas na parte escolar do referido Mestrado e no estágio curricular que decorreu no PNUD, São Tomé e Príncipe com uma duração de 6 meses (Outubro de 2009 à Março de 2010). A forte interligação entre as disciplinas de especialidade de Mestrado e a natureza do estágio por mim frequentado permitiram que tivesse cumprido as tarefas do estágio que me foram propostas com maior facilidade e que procurasse resposta, através do estudo de tópicos do crescimento económico e desenvolvimento, a questões que me foram sendo suscitadas ao longo do referido estágio.O relatório de estágio deve analisar as actividades desenvolvidas pelo estagiário à luz dos conhecimentos científicos e instrumentos de análise adquiridos na parte escolar do Mestrado. Por essa razão, consideramos que as actividades por nós desenvolvidas só poderiam ser correctamente perspectivadas, se previamente caracterizássemos a realidade económica de São Tomé e Príncipe, quer no que toca às suas características macroeconómicas de curto prazo, quer no tocante aos factores de crescimento económico. Sem essa reflexão prévia, é difícil perspectivarmos as políticas do PNUD para o país. Seguidamente, optámos por caracterizar o PNUD como agência das Nações Unidas, mas sempre tendo em vista a sua intervenção em São Tomé e Príncipe. A actividade por mim desenvolvida no seio do estágio é relatada na última secção do capítulo 3 visto que ela só pode ser cabalmente percebida depois de ter sida analisada com algum detalhe a metodologia da avaliação do PNUD.O relatório de estágio foi elaborado a partir de consultas de fontes bibliográficas, manuais de procedimentos e de recolha de dados, procurando dar uma visão acerca dos principais aspectos macroeconómicos e dos determinantes do crescimento económico em São Tomé e Príncipe, com base nas teorias dos factores de crescimento. Além disso, o relatório procura elucidar as políticas da entidade de acolhimento e realçar a sua importância para o desenvolvimento do país, através das teorias da armadilha da pobreza e do “big push”, sendo uma parte dedicada ao estudo da avaliação dos projectos relacionados com o alcance dos objectivos a médio e longo prazos da organização em causa.O relatório de estágio está organizado em quatro capítulos, para além da introdução. No capítulo dois, denominado “Caracterização Económica de São Tomé e Príncipe”, são analisados os contextos socioeconómico e macroeconómico, bem como os factores de crescimento económico, sendo esta última análise baseada na tipologia de factores de crescimento de Rodrik, 2003. Finalmente, analisam-se as teorias de armadilhas da pobreza que explicam, segundo um conjunto de autores, o fracasso do crescimento da África Subsariana nos últimos 40 anos do século XX e constituíram a principal fundamentação económica das políticas dos Objectivos do Milénio para o Desenvolvimento implementadas pelas Nações Unidas. Sem a compreensão desta fundamentação económica não se poderá perceber seguramente que o desenvolvimento dos países pobres em África deva ser conseguido a custa da ajuda externa que permitirá o financiamento do “Big Push” (Sachs, 2004).
Biofilm and persister cell fo mation variability in clinical isolates of Klebsiella pneumoniae in Colombia
Klebsiella pneumoniae is an opportunistic pathogen associated with nosocomial infections. Persister cells are a fraction of a bacterial population that can escape antibiotic treatment and are associated with antibiotic therapy failure. In this work, we analyzed persistent cells in planktonic cultures and biofilms using 10 K. pneumoniae clinical isolates and four different antibiotic types. The isolates had different antibiotic susceptibility profiles that did not correlate with their capacity to form biofilms. Persister cells were found under all conditions tested, although their population numbers varied depending on the antibiotic used. A larger number of persister cells were found in biofilms than in planktonic cultures. Antibiotic treatment with trimethoprim-sulfamethoxazole resulted in the largest persister cell sub-population compared with other antibiotics tested, while ciprofloxacin was the antibiotic that produced fewer persister cells. These results indicate that K. pneumoniae clinical isolates vary not only in their susceptibility to antibiotics but also in properties relevant to diseases, such as biofilm formation and persister cell populations.