864 resultados para Validação da medicação prescrita


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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FUNDAMENTO: A medida precisa da pressão arterial é fundamental para a investigação científica ou decisão clínica. Nesse sentido, é importante verificar valores fornecidos por equipamentos eletrônicos. OBJETIVO: Validar o monitor Omron HEM 742 de medida de pressão arterial em adolescentes, segundo os critérios sugeridos pela British Hypertension Society. MÉTODOS: Participaram do estudo 150 adolescentes com idades entre 10 e 16 anos. O monitor automático Omron HEM 742 foi conectado em Y com equipamento auscultatório de coluna de mercúrio, e realizaram-se três avaliações simultâneas, calculando-se as diferenças entre os dois equipamentos. Para verificar a relação entre ambos, utilizaram-se o coeficiente de correlação intraclasse e a plotagem de Bland-Altman (concordância). A especificidade e a sensibilidade do aparelho foram determinadas pela curva ROC. RESULTADOS: A comparação entre as medidas acusou uma diferença menor ou igual a 5 mmHg em 67,3% dos valores sistólicos e 69,3% dos valores diastólicos; uma diferença menor ou igual a 10 mmHg ocorreu em 87,3% e 90,6% dos valores sistólicos e diastólicos, respectivamente; e uma diferença menor ou igual a 15 mmHg em 96,6% dos valores sistólicos e 97,3% dos diastólicos. Esses resultados indicam grau A segundo o protocolo da British Hypertension Society. Observou-se ainda elevada concordância nos valores obtidos por meio do monitor automático, e verificou-se que esse equipamento é capaz de identificar a presença ou a ausência da pressão arterial elevada. CONCLUSÃO: O monitor Omron HEM 742 mostrou-se válido para medidas de pressão arterial em adolescentes, conforme os critérios sugeridos pela British Hypertension Society.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Nas últimas décadas, a produção de suínos, pressionada por uma crescente demanda por alimentos, tem-se caracterizado pela maior concentração de animais em grandes unidades de produção, dificultando o registro dos dados individuais. Os sistemas automáticos de identificação eletrônica podem auxiliar a detecção de doenças, a avaliação de respostas fisiológicas, o controle de ingestão de alimentos, a atividade física e ainda o impacto ambiental causado pelo sistema de produção, promovendo melhor controle da propriedade. Transponders injetáveis, brincos eletrônicos e o monitoramento por meio da análise de imagem estão sendo utilizados no processo de identificação. O objetivo desta pesquisa foi avaliar os diferentes locais de implante subcutâneo de microchips em leitões, verificando-se possíveis infecções e/ou rejeições, migrações dos microchips em relação ao local de implante e sua validação em relação à análise de imagem.

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The efficiency of two methods for determining 3-hydroxybutyrate and 3-hydroxyvalerate content in the biopolymer (poly(3-hydroxybutyrate-co-3-hydroxyvalerate) has been evaluated. Both methods are based on (a) the hydrolysis of polymers, (b) the esterification with methyl (method A) and isoamilic alcohol (method B) and (c) analysis of the esters by gas chromatography using flame ionization detection (GC-FID). After optimization of the analytical conditions, the main validation parameters (linearity, quantification limit, detection limit, recovery, sensitivity and precision) were determined showing that both analytical procedures can be applied to control the process of poly(3-hydroxybutyrate) production. However, method B gives better analytical results than method A and has the advantage of not using chlorinated solvents.

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The present article deals with the adaptation of the Moral Judgment Test (MJT) for the Portuguese language. The principles of the test, its format and the process of content, construct and criterion validation are presented. In the same way, reliability is discussed using Brazilian research results that produced the necessity of elaborating another dilemma to compose the MJT-xt (extended).

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The present work aims to raise the costs of high-cost drugs used to treat patients of Refractory Schizophrenia in ambulatory unit. The study was carried out in the Psychosocial Support Center, which treated 33 patients with these medications, during the period of June, 2005 to May, 2006. Data analysis disclosed that the mostly used drugs to treat the carriers of Refractory Schizophrenia were: clozapina and risperidona. It was observed that the treatment with olanzapina is more expensive than that with risperidona. The study concluded that the analysis of the consumption and costs of drugs of high cost is necessary to subside better management of the expenses and new investments in the service. Moreover, the necessity of more studies in the area was also identified to contribute with the control of costs.

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BACKGROUND AND OBJECTIVES: The objective of the present study was to evaluate the degree of sedation, intraocular pressure, and hemodynamic changes with premedication with low doses of oral clonidine, 100 μg and 200 μg, in outpatient cataract surgeries. METHODS: This is a randomized, double-blind, clinical study undertaken at the Universidade Federal de São Paulo with 60 patients of both genders, physical status ASA 1 and 2, ages 18 to 80 years. Patients were separated into three groups: placebo, clonidine 100 μg, and clonidine 200 μg. Intraocular pressure, heart rate, and blood pressure besides assessment of sedation were measured before and 90 minutes after the administration of clonidine. Sedation levels were classified according to the Ramsay sedation scale. RESULTS: Patients who received placebo and 100 μg of clonidine did not show reduction in heart rate, while a reduction in heart rate was observed in patients who received 200 μg of clonidine, and this difference was statistically significant. Patients who received 200 μg of clonidine also had a reduction in systolic and diastolic blood pressure (p < 0.05). One patient who received 200 μg of clonidine developed severe hypotension, with systolic pressure < 80 mmHg. Patients treated with clonidine had a reduction in intraocular pressure (p < 0.05). Ninety minutes after the oral administration of placebo and 100 μg and 200 μg of clonidine, 25%, 60%, and 80% of the patients respectively were classified as Ramsay 3 or 4. CONCLUSIONS: Clonidine 100 μg can be indicated as premedication for fasciectomies, being effective in sedation and reduction of intraocular pressure, without adverse effects on blood pressure and heart rate.

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Due necessity of better understanding leptin and reproduction relations, a specific radioimmunoassay (RIA) to bovine leptin was avalidated. First, an antibody production protocol was developed using recombinant equine leptin inoculated in a rabbit, that results in 28,05% of maximum binding (MB) 105 days after the protocol beginning. The tests of validations verified parallelism between standard curve and dilutions of high and low controls (P < 0,01). Antibody against equine leptin showed specificity to bovine leptin (P < 0,01). The recuperation tax of bovine leptin by antibody against recombinant equine leptin was from 98,4 to 101,6% (P < 0, 01). When the samples were stored in ambient temperature or refrigerated to 4°C, ligation stability was verified (P > 0,2), however, temperatures above 37°C impaired the bovine leptin recuperation. The use of assay buffer with or without bovine plasma did not show any difference (P > 0,3). These results showed that the antibody produced in rabbit against equine leptin were able to detect plasmatic bovine leptin, and that the RIA to bovine leptin quantification had adequate characteristics to the development of a valid assay.

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Triamcinolone (TRI), a drug widely used in the treatment of ocular inflammatory diseases, is practically insoluble in water, which limits its use in eye drops. Cyclodextrins (CDs) have been used to increase the solubility or dissolution rate of drugs. The purpose of the present study was to validate a UV-Vis spectrophotometric method for quantitative analysis of TRI in inclusion complexes with beta-cyclodextrin (B-CD) associated with triethanolamine (TEA) (ternary complex). The proposed analytical method was validated with respect to the parameters established by the Brazilian regulatory National Agency of Sanitary Monitoring (ANVISA). The analytical measurements of absorbance were made at 242nm, at room temperature, in a 1-cm path-length cuvette. The precision and accuracy studies were performed at five concentration levels (4, 8, 12, 18 and 20μg.mL -1). The B-CD associated with TEA did not provoke any alteration in the photochemical behavior of TRI. The results for the measured analytical parameters showed the success of the method. The standard curve was linear (r2 > 0.999) in the concentration range from 2 to 24 μg.mL -1. The method achieved good precision levels in the inter-day (relative standard deviation-RSD <3.4%) and reproducibility (RSD <3.8%) tests. The accuracy was about 80% and the pH changes introduced in the robustness study did not reveal any relevant interference at any of the studied concentrations. The experimental results demonstrate a simple, rapid and affordable UV-Vis spectrophotometric method that could be applied to the quantitation of TRI in this ternary complex.