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Mostrando 1-12 de 28566 artigos, teses e dissertações.
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1. Diffusion-weighted imaging versus non-contrast magnetic resonance imaging in the diagnosis of acute appendicitis during pregnancy
SUMMARY OBJECTIVE: The aim of this study was to evaluate the diagnostic performance of diffusion-weighted imaging compared to non-contrast magnetic resonance imaging in the differential diagnosis of acute appendicitis in pregnant patients. METHODS: A total of 72 pregnant patients with the suspicion of acute appendicitis who underwent magnetic resonance ima
Revista da Associação Médica Brasileira. Publicado em: 2023
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2. Strain analysis in diametral compression test through digital image correlation
Abstract In the search for alternatives to obtain more information from rock tests and to make them more accessible, this study applies the Digital Image Correlation technique (DIC 2D) in a diametral compression test called Brazilian Test, comparing the result measured by an extensometer with the result obtained by DIC. Rock tests provide information about r
REM - International Engineering Journal. Publicado em: 2022
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3. Eco-friendly multivariant green analytical technique for the estimation of ketoconazole by UV spectroscopy in bulk and cream formulation
The pharmaceutical industries are focusing on Green Analytical Chemistry principles like miniaturization, eco-friendly solvent usage, waste recycling, and analyst safety for sustainable results. A simple, eco-friendly sensitive and effective extraction and multivariant green analytical method to estimate ketoconazole in bulk and cream formulation were develo
Química Nova. Publicado em: 2022
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4. Validation of the psychological safety, psychological empowerment, intrapreneurial behaviour and individual performance measurements
Abstract Purpose The purpose of this study is to assess the validity of the psychological safety (PS), psychological empowerment (PE), intrapreneurial behaviour (IB) and individual performance (IP) construct measurements originally developed in Western individualistic cultures. Design/methodology/approach Proportionate stratified systematic sampling was us
RAUSP Management Journal. Publicado em: 2022
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5. The constant amortization scheme with multiple contracts
Abstract For the case of a loan with constant payments, De-Losso et al. (2013) has shown that substituting a single contract by subcontracts, one for each of the n payments of the single contract, may result, depending on the financial institution opportunity cost, in substantial fiscal gain. The present paper extends its analysis to the case of the constant
Revista Brasileira de Economia. Publicado em: 2022
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6. Intraoperative assessment of surgical margins using ‟en face” frozen sections in the management of cutaneous carcinomas
Abstract Background: Basal cell and squamous cell carcinomas (BCC and SCC) are the most common types of cancer worldwide. Intraoperative assessment of surgical margins by frozen section has been widely used to ensure disease-free margins. The intraoperative ‟en face” freezing technique evaluates all peripheral and deep margins. Objective: To report the
Anais Brasileiros de Dermatologia. Publicado em: 2022
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7. Rare Presentation of Sinus of Valsalva Aneurysm Treated by Aortic Valve Reimplantation Technique
Abstract Sinus of Valsalva aneurysm is a rare cardiac abnormality which can be acquired or of congenital origin. A spontaneous rupture into the right atrium is possible and, if not adequately treated, may result in a progressive heart failure due to the left-to-right intracardiac shunt. If ruptured sinus of Valsalva aneurysm is diagnosed, surgical repair is
Brazilian Journal of Cardiovascular Surgery. Publicado em: 2022
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8. Diffusive Metrics Induced by Random Affinities on Graphs. An Application to the Transport Systems Related to the COVID-19 Setting for Buenos Aires (AMBA)
ABSTRACT The aim of this paper is to apply the diffusive metric technique defined by the spectral analysis of graph Laplacians to the set of the 41 cities belonging to AMBA, the largest urban concentration in Argentina, based on public transport and neighborhood. It could be expected that the propagation of any epidemic desease would follow the paths determi
Trends in Computational and Applied Mathematics. Publicado em: 2022
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9. The dilemma of choosing obstetrics and anesthesia techniques in a patient with cerebral cavernomatosis: a case report
Abstract This report describes the case of a pregnant woman who arrived for preanesthetic assessment of External Cephalic Version (ECV) for fetus in breech presentation and cesarean section in case of ECV failure. Although the technique seems simple, attempts to rotate the fetus can result in elevated intracranial pressure, which might cause malformation ble
Brazilian Journal of Anesthesiology. Publicado em: 2022
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10. COVID-19 in otolaryngologists: a cross-sectional multicenter study
Abstract Introduction: The nose and throat are areas of high viral load, which could place otolaryngologists at an even higher risk for COVID-19 than other health-care workers. Objective: To investigate the prevalence of antibodies against SARS-CoV-2 in otorhinolaryngologists in southern Brazil, its relationship to demographic data, professional practice a
Brazilian Journal of Otorhinolaryngology. Publicado em: 2022
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11. An A Posteriori Error Estimator for a Non Homogeneous Dirichlet Problem Considering a Dual Mixed Formulation
ABSTRACT In this paper, we describe an a posteriori error analysis for a conforming dual mixed scheme of the Poisson problem with non homogeneous Dirichlet boundary condition. As a result, we obtain an a posteriori error estimator, which is proven to be reliable and locally efficient with respect to the usual norm on H d i v ; Ω × L 2 Ω. We remark t
Trends in Computational and Applied Mathematics. Publicado em: 2022
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12. Anesthesia or analgesia? New block for shoulder surgery: pericapsular nerve group block
Abstract Interscalene brachial plexus (ISB) block is considered the analgesic technique of choice for shoulder surgery. However, the hemidiaphragmatic paresis that may occur after the block has led to the search for an alternative to the ISB block. In this case report, the pericapsular nerve group (PENG) block was performed for both surgical anesthesia and p
Brazilian Journal of Anesthesiology. Publicado em: 2022