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Avaliação do desempenho de um sistema híbrido de tomografia por emissão de posi...

Vaz, Tânia Faria

Mestrado em Medicina Nuclear. ; O equipamento híbrido de Tomografia por Emissão de Positrões e Tomografia Computorizada (PET/CT, acrónimo inglês de Positron Emission Tomography/Computed Tomography) tem tido na última década um impacto crescente na imagiologia médica. Muitas das investigações e aplicações clínicas de PET/CT baseiam-se na quantificação, que é altamente dependente das características de desempenh...


Study of the influence of count’s number in myocardium in the determination of ...

Vieira, Lina; Sousa, Eva; Vaz, Tânia; Costa, Durval C.; Almeida, Pedro

Myocardial Perfusion Gated Single Photon Emission Tomography (Gated-SPET) imaging is used for the combined evaluation of myocardial perfusion and left ventricular (LV) function. But standard protocols of the Gated-SPECT studies require long acquisition times for each study. It is therefore important to reduce as much as possible the total duration of image acquisition. However, it is known that this reduction l...


Impact of the background Region of Interest in the relative renal function

Sousa, Eva; Carapinha, Maria João; Vaz, Tânia; Lucena, Filipa; Vieira, Lina

Renal scintigraphy with 99mTc-dimercaptosuccinic acid (99mTc-DMSA) is performed with the aim of detect cortical abnormalities related to urinary tract infection and accurately quantify relative renal function (RRF). For this quantitative assessment Nuclear Medicine Technologist should draw regions of interest (ROI) around each kidney (KROI) and peri-renal background (BKG) ROI although controversy still exists a...


Impact of the background region of interest in the relative renal function

Sousa, E.; Carapinha, Maria João; Lucena, Filipa; Vaz, Tânia; Vieira, Lina

Renal scintigraphy with 99mTc-dimercaptosuccinic acid (99mTc-DMSA) is performed with the aim of detect cortical abnormalities related to urinary tract infection and accurately quantify relative renal function (RRF). For this quantitative assessment Nuclear Medicine Technologist should draw regions of interest (ROI) around each kidney (KROI) and peri-renal background (BKG) ROI, although, controversy still exists...


O papel da advocacia de estado na gestão pública: análise da política pública e...

Vaz, Tania Patricia de Lara

Mestrado em Administração Pública ; O presente trabalho contém algumas reflexões sobre o papel da advocacia de Estado, na qual está inserida a Advocacia-Geral da União e seus membros de carreira, no desenvolvimento e implementação de políticas públicas e projetos do Governo Federal brasileiro, especificamente sob o enfoque da gestão pública e dos movimentos de modernização do Estado e reformulação do modelo bu...

Data: 2010   |   Origem: Repositório do ISCTE-IUL

Phenotypical and genotypical characterization of Bordetella pertussis strains i...

Gonçalves,Célia R.; Vaz,Tânia M. I.; Medeiros,Marta I. C.; Castro,Maria T. F.; Rocha,Marilu M. M.; Melles,Carmo E. A.; Irinoi,Kinue

Whooping cough or pertussis was a major cause of childhood morbidity and mortality in the world until the introduction of a whole-cell vaccine in the 1940's. However, since the early 1980's whooping cough cases have increased in many countries, becoming an important problem of public health. This increase may be due to accuracy of laboratory diagnosis and reporting of the disease, a decline in immunity over tim...

Data: 2007   |   Origem: OASIS br

Biotyping, serotyping and ribotyping as epidemiological tools in the evaluation...

GONÇALVES,Célia R.; VAZ,Tania Mara I.; ARAUJO,Eliane; BONI,Regina de Fátima; LEITE,Daniela; IRINO,Kinue

Dissemination of Acinetobacter baumannii strains in different units of a hospital in Sorocaba, São Paulo, Brazil was evaluated over a period of two years. By using biotyping, serotyping and ribotyping, 27 distinct clones were differentiated among 76 strains isolated between 1993-94, from clinical specimens of hospitalized patients. Two clones, 2:O4:A (biotype:serotype:ribotype) and 2:O29:A accounted for the maj...

Data: 2000   |   Origem: OASIS br

Molecular epidemiology of a nosocomial outbreak due to Enterobacter cloacae and...

GONÇALVES,Célia R.; VAZ,Tania M.I.; LEITE,Daniela; PISANI,Beatriz; SIMÕES,Marise; PRANDI,Maria Angela M.; ROCHA,Marilu M.M.; CESAR,Paulo C.

A total of 73 isolates (57 Enterobacter cloacae and 16 Enterobacter agglomerans), recovered during an outbreak of bacteremia in the Campinas area, São Paulo, Brazil, were studied. Of these isolates, 61 were from parenteral nutrition solutions, 9 from blood cultures, 2 from a sealed bottle of parenteral nutrition solution, and one was of unknown origin. Of the 57 E. cloacae isolates, 54 were biotype 26, two were...

Data: 2000   |   Origem: OASIS br

Bacterial agents isolated from cerebrospinal fluid of patients with Acquired Im...

Landgraf,Ilka Maria; Palaci,Moisés; Vieira,Maria de Fátima Paiva; Ueki,Sueli Yoko Mizuka; Martins,Maria Conceição; Sato,Daisy Nakamura

Cerebrospinal fluid (CSF) samples from 2083 patients with acquired immunodeficiency syndrome (AIDS) and neurological complications were bacteriologically examined during a period of 7 years (1984-1990). The percentage of patients who had at least one bacterial agent cultured from the CSF was 6.2%. Mycobacterium tuberculosis was the most frequently isolated agent (4.3%), followed by Mycobacterium avium complex o...

Data: 1994   |   Origem: OASIS br

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    Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia