6,299 research outputs found

    Meningococcemia: rare but life-threatening

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    Varicella Admissions in Children and Adolescents in Portugal: 2000-2015

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    OBJECTIVES Varicella is a common, usually benign, and autolimited disease in children but can lead to severe complications and hospitalization. With this study, we aim to analyze all varicella hospitalizations to provide epidemiological information to help outline preventive policies. METHODS We assessed all varicella hospitalizations in children aged 0 to 17 years, from 2000 to 2015, in mainland, public Portuguese hospitals using a Portuguese administrative database. Seasonality, geographic distribution, severity, complications, risk factors, use of diagnostic and treatment procedures and hospitalization costs were analyzed. RESULTS A total of 5120 hospitalizations were registered, with an annual rate of 17.3 hospitalizations per 100 000 inhabitants. A higher number of hospitalizations occurred during the summer period and in Southern regions. The median length of stay was of 4 days (interquartile range: 3.0–7.0). We found a high rate of severe complications, mostly dermatologic (19.6%), neurologic (6.0%), and respiratory (5.1%). Of the total number of patients, 0.8% were immunocompromised and 0.1% were pregnant. Total direct hospitalization costs during the 16-year period were estimated to be 7 110 719€ (8 603 970 USD), with a mean annual cost of 444 419.92€ (537 748.10 USD). CONCULSIONS This is the first national study in which useful epidemiological data to evaluate the burden and impact of varicella in Portugal is provided.No external funding

    Estabilidade e adaptabilidade de arroz de terras altas sob sistema de plantio convencional e direto.

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    O objetivo do trabalho foi: a) Avaliar linhagens e cultivares de arroz de terras altas em dois sistemas de plantio: direto e convencional; b) Estudar a interação entre linhagens/cultivares de arroz x ambientes; c) Avaliar a adaptabilidade e estabilidade das linhagens e cultivares de arroz testadas nos sistemas de plantio direto e convencional

    Efeito de doses de fertilizantes na cultura do algodoeiro sob sistema plantio direto em Mato Grosso do Sul.

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    bitstream/item/24688/1/COT2005104.pdfDocumento on-lin

    The Effects of Urease Source and Moisture Content on the Nutritive Value of \u3ci\u3eBrachiaria brizant\u3c/i\u3eha Hay Treated with Urea

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    Ammoniation has a high potential to increase the nutritive value (NV) of mature tropical grasses hays. Urea utilisation, like ammonia, seems to be a promising alternative for on-farm treatment of low quality forage in Brazil. Urea has the advantages over anhydrous ammonia of being widely available, easier to handle and, in some countries, less expensive. The aim of this work was to study the effects on the efficiency of urea treatment of palisade grass (Brachiaria brizantha cv. Marandu) hay of the moisture level, and the urease source

    Nematódeos resistentes a anti-helmíntico em rebanhos de ovinos e caprinos do estado do Ceará, Brasil.

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    Resumo: O controle do parasitismo por nematódeos gastrintestinais é feito basicamente com a utilização de anti-helmínticos. Falhas no controle são o primeiro sinal do aparecimento de resistência anti-helmíntica. A real situação da prevalência da resistência anti-helmíntica, em fazendas comerciais de criação de ovinos e caprinos no Brasil, é desconhecida. Esse experimento teve como objetivo, estimar a ocorrência de resistência ao oxfendazol, levamisol e ivermectina em propriedades comerciais de criação de ovinos e caprinos, na região do médio e baixo Jaguaribe, através do teste de redução na contagem de ovos nas fezes acompanhados de coproculturas. O trabalho foi realizado em 25 criações, sendo 16 de ovinos, 7 de caprinos e uma de ovinos e caprinos. Os dados obtidos foram analisados pelo programa estatístico RESO (1989). A prevalência de nematódeos resistentes ao oxfendazol, levamisol e ivermectina em ovinos foi de 88%, 41% e 59%, e em caprinos de 87,5%, 75% e 37,5%, respectivamente. Observou-se que o gênero Haemonchus foi o mais prevalente na população resistente a todos os anti-helmínticos, tanto em ovinos quanto em caprinos, seguido de Trichostrongylus e Oesophagostomum. [Nematodes resistant to anthelmintics in sheep and goat flock in the State of Ceará, Brazil]. ABSTRACT - The control of gastrointestinal nematodes parasitism is made basically with anthelmintics. Control failure is the first sign of anthelmintic resistance development. The actual situation of anthelmintic resistance prevalence in commercial farms of sheep and goats in Brazil is unknown. The aim of this work was to estimate the occurrence of oxfendazole, levamisole and ivermectin resistance in sheep and goats from medio and baixo Jaguaribe region by faecal egg count reduction followed by coprocultures. The work involved 25 farms (16 sheep farms, 7 goat farms and one of sheep and goats). Data were analysed by RESO (1989). The prevalence of resistant nematodes to oxfendazole, levamisole and ivermectin was respectively 88%, 41% and 59% in sheep and 87.5%, 75% and 37.5%, in goats. Haemonchus was the most prevalent genus in the resistant population to all anthelmintics in sheep and goats, followed by Trichostrongylus and Oesophagostomum

    Ganho genético do Programa de Melhoramento de Arroz Irrigado de Minas Gerais na década de 90.

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    O presente trabalho visou estimar o ganho genético alcançado com o programa de melhoramento de arroz irrigado por inundação contínua desenvolvido em Minas Gerais, pelo consórcio EPAMIG e EMBRAPA Arroz e Feijão, no período de 1990/91 a 2000/2001

    Study of the interaction genotypes x environments in the selection process of upland rice.

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    The objectives of this study were the investigation of the interactions between upland rice lines/cultivars x planting system, years and locations. The experiments were conducted in the agricultural years of 2001/02 and 2002/03 in Lavras, Uberlandia and Patrocinio in the state of Minas Gerais (MG), Brazil, in two planting systems: conventional and no-tillage. The treatments were 20 lines/cultivars and the evaluated traits were: plant height, flowering date, grain yield and disease incidence. The absence genotype x system interaction of grain yield indicated that cultivars recommended for sowing traditional can be utilized in the no-tillage system. The interactions genotypes x locations and genotypes x years were significant. The Cruz methodology indicated that cultivar Caiapo presented adaptation in unfavourable environments and the line CNAs 8983 showed response in the environment improvement. The Annicchiarico methodology showed that Guarani and CNAs 8989 were the most stable
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