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Mostrando 1-12 de 2752 artigos, teses e dissertações.
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1. Influence of Refinery Asphalt Residue Addition on Flow: A Study Using Waxy Model-System
One of the main phenomena causing problems in the oil industry is the precipitation of waxes, which can crystallize and form deposits, clogging lines and reducing flows. Many studies have been conducted seeking to overcome this problem, mainly through application of chemical to increase flow. Some studies have shown that the asphaltenes present in crude oil
Journal of the Brazilian Chemical Society. Publicado em: 2023
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2. Anxiety, attitudes-behaviors, coping styles, and social support among high-risk pregnant women in the late period of the coronavirus disease 2019 pandemic
SUMMARY OBJECTIVE: The purpose of this study was to investigate the prevalence of anxiety among high-risk pregnant women in the late period of the coronavirus disease 2019 pandemic and to evaluate the relationship between anxiety levels, attitudes-behaviors, coping styles, and other psychometric parameters. METHODS: Pregnant women who were followed up in o
Revista da Associação Médica Brasileira. Publicado em: 2022
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3. An examınatıon of the anxıety states of Turkısh health care workers durıng the COVID-19 pandemıc: a cross-sectıonal study
SUMMARY OBJECTIVE: The aim of this study was to evaluate the anxiety experienced by health care workers in different branches during the COVID-19 pandemic. METHODS: The cross-sectional study included 373 health care workers. Data were collected using an online questionnaire consisting of the Sociodemographic Form (32 items related to the working conditions
Revista da Associação Médica Brasileira. Publicado em: 2022
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4. Reactions of physicians in the state of São Paulo to the use of telemedicine during the SARS-CoV-2 pandemic: cross-sectional study
ABSTRACT BACKGROUND: Telemedicine can be a component of integrated healthcare practices and its use is not a recent phenomenon around the world. In Brazil, its more widespread use began during the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic, through extraordinary authorization from the Brazilian Ministry of Health. OBJECTIVES: To
Sao Paulo Medical Journal. Publicado em: 2022
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5. Sporotrichosis: hyperendemic by zoonotic transmission, with atypical presentations, hypersensitivity reactions and greater severity
Abstract In recent decades, an alarming increase in the number of sporotrichosis cases has been reported in southern and southeastern Brazil, especially in the state of Rio de Janeiro, has been considered a long-term hyperendemic condition associated with feline transmission. According to phenotypic classifications, the Sporothrix species recovered from cats
Anais Brasileiros de Dermatologia. Publicado em: 2022
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6. Demographic and Epidemiological Profile of Aging and Elderly Patients Receiving Heart Transplant During the Period from 2009 to 2018
Abstract Background: The aging process may be associated with the accumulation of a wide variety of health damages, such as cardiovascular diseases. HF is the final common path of the majority of these diseases, and, in its refractory form, heart transplantation continues to be the best treatment choice. Objective: To describe the demographic and epidemiol
International Journal of Cardiovascular Sciences. Publicado em: 2022
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7. Evaluation of the quality of life of patients with premature ejaculation (lifelong and acquired)
SUMMARY OBJECTIVE: The aim of this study was to evaluate the quality of life of patients with lifelong and acquired premature ejaculation and to examine its relationship with depression and anxiety. METHODS: Between February 2017 and January 2018, a total of 175 patients with premature ejaculation and 132 control men who applied to the urology department o
Revista da Associação Médica Brasileira. Publicado em: 2022
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8. Descriptive epidemiological study on patients with movement disorders, with emphasis on Parkinson’s disease
ABSTRACT BACKGROUND: Knowing the epidemiological profile is relevant for improving healthcare practices. Movement disorders are neurological disorders characterized by the presence of involuntary movements. They have a negative impact on patients’ quality of life. OBJECTIVES: To outline the frequencies of the different diagnoses seen among patients, al
Sao Paulo Med. J.. Publicado em: 2021-02
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9. Evaluation of knowledge and attitudes among intensive care physicians during the COVID-19 pandemic: a cross-sectional survey
ABSTRACT BACKGROUND: The novel coronavirus (COVID-19) emerged in Wuhan, China, in December 2019. OBJECTIVES: To evaluate the knowledge of intensive care physicians in Turkey about COVID-19 and their attitudes towards the strategies and application methods to be used for COVID-19 cases that need to be followed up in an intensive care unit, and to raise aw
Sao Paulo Med. J.. Publicado em: 2020-08
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10. Potassium recovery from Brazilian glauconitic siltstone by hydrothermal treatments
Abstract Silicate rock Verdete, collected in the central region of Minas Gerais state (Brazil) and composed mostly of micas (glauconite and muscovite) and tectosilicates (K-feldspar and quartz), was hydrothermally treated with several reactants in order to release and recover potassium. The hydrothermal products were characterized by flame photometry, XRD, X
REM, Int. Eng. J.. Publicado em: 2020-06
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11. The Impact of Olfactory Dysfunction on the Psychological Status and Quality of Life of Patients with Nasal Obstruction and Septal Deviation
Abstract Introduction Olfactory dysfunctionmay be present in patients with nasal obstruction and septal deviation. The impact of olfactory dysfunction on the psychological profile and quality of life (QoL) of these patients remains unexplored. Objective The present study aimed to investigate the emotional status and QoL of patients with olfactory dysfunc
Int. Arch. Otorhinolaryngol.. Publicado em: 2020-06
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12. Dyspnea is associated with poor physical performance among community-dwelling older adults: a population-based cross-sectional study
ABSTRACT BACKGROUND: Dyspnea and poorer physical performance are conditions that may be related and be present among the elderly. However, few studies have evaluated associations between these variables. OBJECTIVE: To determine whether there is an association between dyspnea and physical performance among community-dwelling older adults of both sexes (ag
Sao Paulo Med. J.. Publicado em: 2020-03