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1.
Int J Radiat Oncol Biol Phys ; 119(4): 1122-1132, 2024 Jul 15.
Article in English | MEDLINE | ID: mdl-38232937

ABSTRACT

PURPOSE: The aim of this work was to investigate whether reirradiation of recurrent glioblastoma with hypofractionated stereotactic radiation therapy (HSRT) consisting of 35 Gy in 5 fractions (35 Gy/5 fx) compared with 25 Gy in 5 fractions (25 Gy/5 fx) improves outcomes while maintaining acceptable toxicity. METHODS AND MATERIALS: We conducted a prospective randomized phase 2 trial involving patients with recurrent glioblastoma (per the 2007 and 2016 World Health Organization classification). A minimum interval from first radiation therapy of 5 months and gross tumor volume of 150 cc were required. Patients were randomized 1:1 to receive HSRT alone in 25 Gy/5 fx or 35 Gy/5 fx. The primary endpoint was progression-free survival (PFS). We used a randomized phase 2 screening design with a 2-sided α of 0.15 for the primary endpoint. RESULTS: From 2011 to 2019, 40 patients were randomized and received HSRT, with 20 patients in each group. The median age was 50 years (range, 27-71); a new resection before HSRT was performed in 75% of patients. The median PFS was 4.9 months in the 25 Gy/5 fx group and 5.2 months in the 35 Gy/5 fx group (P = .23). Six-month PFS was similar at 40% (85% CI, 24%-55%) for both groups. The median overall survival (OS) was 9.2 months in the 25 Gy/5 fx group and 10 months in the 35 Gy/5 fx group (P = .201). Grade ≥3 necrosis was numerically higher in the 35 Gy/5 fx group (3 [16%] vs 1 [5%]), but the difference was not statistically significant (P = .267). In an exploratory analysis, median OS of patients who developed treatment-related necrosis was 14.1 months, and that of patients who did not was 8.7 months (P = .003). CONCLUSIONS: HSRT alone with 35 Gy/5 fx was not superior to 25 Gy/5 fx in terms of PFS or OS. Due to a potential increase in the rate of clinically meaningful treatment-related necrosis, we suggest 25 Gy/5 fx as the standard dose in HSRT alone. During follow-up, attention should be given to differentiating tumor progression from potentially manageable complications.


Subject(s)
Brain Neoplasms , Glioblastoma , Neoplasm Recurrence, Local , Progression-Free Survival , Radiation Dose Hypofractionation , Radiosurgery , Re-Irradiation , Humans , Glioblastoma/radiotherapy , Glioblastoma/mortality , Glioblastoma/surgery , Glioblastoma/pathology , Middle Aged , Aged , Male , Female , Re-Irradiation/adverse effects , Adult , Prospective Studies , Radiosurgery/adverse effects , Radiosurgery/methods , Neoplasm Recurrence, Local/radiotherapy , Brain Neoplasms/radiotherapy , Brain Neoplasms/mortality , Brain Neoplasms/pathology , Brain Neoplasms/surgery , Dose Fractionation, Radiation , Necrosis
2.
Rev. salud pública ; 23(6): 1-nov.-dic. 2021. tab, graf
Article in Portuguese | LILACS-Express | LILACS | ID: biblio-1424399

ABSTRACT

RESUMO Objetivo A síndrome de burnout é definida como um fenômeno psicossocial em resposta crônica aos estressores interpessoais no ambiente de trabalho. Avaliar a síndrome de burnout em docentes dos cursos da área de saúde. Método Estudo descritivo, transversal, com abordagem quantitativa. Para coleta de dados foi utilizado o Maslach Burnout Inventory, além de um questionário socioeconô-mico. Utilizou-se do teste exato de Fisher para verificar se existe associação entre as variáveis sociodemográficas e a presença de burnout. Resultados Participaram do estudo 57 docentes, a maior parte do sexo feminino (n=39; 68,4%) e com tempo de atuação profissional acima de 10 anos (n=30; 52,6%). A maioria possui outro vinculo (n=43; 75,4%) e dedica mais de 40 horas semanais ao trabalho (n=35; 61,4%). A variável lazer apresentou-se estatisticamente significante em relação a ter ou não burnout evidenciando maior proporção de adoecimento entre os que referiram não sair a lazer. Observou-se percentuais elevados de exaustão emocional, despersonalização e baixa realização profissional revelando uma alta prevalência da síndrome de burnout entre os docentes. Conclusão Esses achados merecem atenção para o acompanhamento dos fatores psicossociais e organizacionais do processo laboral que possam intervir na qualidade de vida e nas condições de saúde desse trabalhador.


ABSTRACT Objective To analyze the burnout syndrome in professors of health courses. Method It is a descriptive, cross-sectional study with a quantitative approach. For data collection were used the Maslach Burnout Inventory, in addition, a socioecono-mic questionnaire. That was used Fisher's exact test to verify the association between sociodemographic variables and the presence of Burnout. Results 57 college professors participated in the study, most of them female (n=39; 68.4%) and with professional experience over 10 years (n=30; 52.6%). Most have ano-ther job (n=43; 75.4%) and devote more than 40 hours a week to work (n=35; 61.4%). The leisure variable is shown to be statistically significant in relation to have burnout or not, showing the highest proportion of problems among those who refer to not leaving leisure. High percentages of emotional exhaustion, depersonalization, and low professional achievement were observed, revealing a high prevalence of burnout syndrome between the professors. Conclusion These findings deserve attention for monitoring psychosocial and organizational factors in the work process that may interfere with the quality of life and the health conditions of this worker.


RESUMEN Objetivo El síndrome de burnout se define como un fenómeno psicosocial en respuesta crónica a estresores interpersonales en el lugar de trabajo. Valorar el síndrome de burnout en profesores de cursos del área de la salud. Método Estudio descriptivo, transversal con enfoque cuantitativo. Para la recolección de datos se utilizó el Inventario de Burnout de Maslach, además de un cuestionario socioeconómico. Se utilizó la prueba exacta de Fisher para verificar si existe asociación entre las variables sociodemográficas y la presencia de burnout. Resultados Participaron 57 profesores, la mayoría mujeres (n=39; 68,4%) y con más de 10 años de experiencia profesional (n=30; 52,6%). La mayoría tenía otro vínculo (n=43; 75,4%) y dedicaba más de 40 horas semanales al trabajo (n=35; 61,4%). La variable ocio resultó estadísticamente significativa en relación con tener burnout o no tenerlo, mostrando una mayor proporción de enfermedad entre quienes informaron no salir por ocio. Se observaron altos porcentajes de agotamiento emocional, despersonalización y baja realización profesional, revelando una alta prevalencia del síndrome de burnout entre los docentes. Conclusión Estos hallazgos merecen atención para monitorear los factores psicosociales y organizacionales del proceso de trabajo que pueden afectar la calidad de vida y las condiciones de salud de estos trabajadores.

3.
BMC Med ; 19(1): 127, 2021 06 01.
Article in English | MEDLINE | ID: mdl-34059069

ABSTRACT

BACKGROUND: Reducing poverty and improving access to health care are two of the most effective actions to decrease maternal mortality, and conditional cash transfer (CCT) programmes act on both. The aim of this study was to evaluate the effects of one of the world's largest CCT (the Brazilian Bolsa Familia Programme (BFP)) on maternal mortality during a period of 11 years. METHODS: The study had an ecological longitudinal design and used all 2548 Brazilian municipalities with vital statistics of adequate quality during 2004-2014. BFP municipal coverage was classified into four levels, from low to consolidated, and its duration effects were measured using the average municipal coverage of previous years. We used negative binomial multivariable regression models with fixed-effects specifications, adjusted for all relevant demographic, socioeconomic, and healthcare variables. RESULTS: BFP was significantly associated with reductions of maternal mortality proportionally to its levels of coverage and years of implementation, with a rate ratio (RR) reaching 0.88 (95%CI 0.81-0.95), 0.84 (0.75-0.96) and 0.83 (0.71-0.99) for intermediate, high and consolidated BFP coverage over the previous 11 years. The BFP duration effect was stronger among young mothers (RR 0.77; 95%CI 0.67-0.96). BFP was also associated with reductions in the proportion of pregnant women with no prenatal visits (RR 0.73; 95%CI 0.69-0.77), reductions in hospital case-fatality rate for delivery (RR 0.78; 95%CI 0.66-0.94) and increases in the proportion of deliveries in hospital (RR 1.05; 95%CI 1.04-1.07). CONCLUSION: Our findings show that a consolidated and durable CCT coverage could decrease maternal mortality, and these long-term effects are stronger among poor mothers exposed to CCT during their childhood and adolescence, suggesting a CCT inter-generational effect. Sustained CCT coverage could reduce health inequalities and contribute to the achievement of the Sustainable Development Goal 3.1, and should be preserved during the current global economic crisis due to the COVID-19 pandemic.


Subject(s)
Maternal Mortality/trends , Prenatal Care/economics , Primary Health Care/economics , Public Assistance/economics , Adolescent , Adult , Brazil , COVID-19/economics , Female , Financing, Government , Humans , Poverty/economics , Pregnancy , SARS-CoV-2
4.
Radiol Case Rep ; 15(10): 1837-1840, 2020 Oct.
Article in English | MEDLINE | ID: mdl-32802243

ABSTRACT

Contrast-enhanced chest computed tomography (CT) is not considered part of the evaluation of myocardial infarction. However, acute myocardial infarction has been detected on contrast-enhanced chest CT as areas of decreased myocardial enhancement in patients evaluated for other indications, such as pulmonary embolism and aortic dissection. We present a case of acute myocardial infarction on a nongated chest CT in a 67-year-old male who presented with atypical chest pain and initial nondiagnostic electrocardiogram. This case highlights that acute myocardial infarction may be detectable on contrast-enhanced CT. When evaluating contrast-enhanced chest CT's for other etiologies of chest pain, radiologists should look for potential myocardial perfusion abnormalities that can provide clues to the presence of myocardial infarction.

5.
Rev. med. Plata (1955) ; 34(3): 39-46, dic. 2000. tab
Article in Spanish | LILACS | ID: lil-288662

ABSTRACT

El objetivo del presente trabajo fue evaluar las acciones de medicina preventiva que toman estudiantes avanzados de ciencias de la salud para si mismo. Se revisan las principales prácticas preventivas (medidas de seguridad en tránsito, consumo de tóxicos, prevención de enfermedades transmisibles, dieta y actividad física, controles médicos y odontológicos periódicos) para ello: Se realizó una encuesta anónima entre estudiantes de último año de las carreras de medicina y enfermeria universitaria. Se detectaron prevalencias promedio de medidas de seguridad en tránsito 21 por ciento, sobrepeso 40 por ciento, tabaquismo 45 por ciento, inmunización contra hepatítis "B" 75 por ciento, contra tétanos 63,5 por ciento, contra sarampión, rubeola, paperas y varicela 47 por ciento, controles odontológicos 18 por ciento, controles ginecológicos 71,5 por ciento, colesterolemia 51 por ciento, dieta saludable 41 por ciento, actividad física 40 por ciento, sexo seguro 80 por ciento, conductas apropiadas...


Subject(s)
Preventive Medicine/statistics & numerical data , Data Collection , Students, Medical
6.
Rev. med. Plata [1955] ; 34(3): 39-46, dic. 2000. tab
Article in Spanish | BINACIS | ID: bin-10143

ABSTRACT

El objetivo del presente trabajo fue evaluar las acciones de medicina preventiva que toman estudiantes avanzados de ciencias de la salud para si mismo. Se revisan las principales prácticas preventivas (medidas de seguridad en tránsito, consumo de tóxicos, prevención de enfermedades transmisibles, dieta y actividad física, controles médicos y odontológicos periódicos) para ello: Se realizó una encuesta anónima entre estudiantes de último año de las carreras de medicina y enfermeria universitaria. Se detectaron prevalencias promedio de medidas de seguridad en tránsito 21 por ciento, sobrepeso 40 por ciento, tabaquismo 45 por ciento, inmunización contra hepatítis "B" 75 por ciento, contra tétanos 63,5 por ciento, contra sarampión, rubeola, paperas y varicela 47 por ciento, controles odontológicos 18 por ciento, controles ginecológicos 71,5 por ciento, colesterolemia 51 por ciento, dieta saludable 41 por ciento, actividad física 40 por ciento, sexo seguro 80 por ciento, conductas apropiadas... (AU)


Subject(s)
Preventive Medicine/statistics & numerical data , Data Collection , Students, Medical
7.
Rev. med. Plata (1955) ; 32(2): 18-27, 1999. ilus
Article in Spanish | LILACS | ID: lil-261932

ABSTRACT

Las cardiopatías congénitas ocurren en casi 10 (de cada 1000 nacidos vivos. Los defectos del tabique auricular (CIA) son mas frecuentes en mujeres y son una de las anomalías cardíacas congénitas mas frecuentes en adultos.Aunque la expectativa de vida no es normal la sobreviva es buena, la insuficiencia cardíaca congestiva es la causa de muerte mas frecuente.Se realiza análisis retrospectivo de la historia clínica de una paciente atendida en los Consultorios Externos del Hospital de Quilmes de 66 años que consulta en Febrero de 1998 por disnea de esfuerzo, soplo mesosistólico eyectivo en foco pulmonar. Telerradiografía de tórax: Cardiomegalia grado I/11, arco medio prominente. Electrocardiograma: crecimiento biauricular Bloqueo Completo de Rama Derecha. Serología positiva para Chagas. Ecocardiograma 2D-M y Doppler cardíaco: dilatación de ambas aurículas y ventrículo derecho, solución de continuidad en septum interauricular compatible con C.I.A Resonancia nuclear magnética.Se visualiza cortocircuito de dirección de izquierda a derecha. Se solicita cateterismo cardíaco derecho e izquierdo y cinecoronariografía, procedimiento no aceptado por la paciente.El tema CIA es revisado a propósito de un caso atendido en nuestra institución. Es de destacar la importancia de ser sistemáticos en el estudio de los cuadros de disnea en gerontes.


Subject(s)
Humans , Female , Aged , Heart Defects, Congenital/diagnosis
8.
Rev. med. Plata [1955] ; 32(2): 18-27, 1999. ilus
Article in Spanish | BINACIS | ID: bin-12568

ABSTRACT

Las cardiopatías congénitas ocurren en casi 10 (de cada 1000 nacidos vivos. Los defectos del tabique auricular (CIA) son mas frecuentes en mujeres y son una de las anomalías cardíacas congénitas mas frecuentes en adultos.Aunque la expectativa de vida no es normal la sobreviva es buena, la insuficiencia cardíaca congestiva es la causa de muerte mas frecuente.Se realiza análisis retrospectivo de la historia clínica de una paciente atendida en los Consultorios Externos del Hospital de Quilmes de 66 años que consulta en Febrero de 1998 por disnea de esfuerzo, soplo mesosistólico eyectivo en foco pulmonar. Telerradiografía de tórax: Cardiomegalia grado I/11, arco medio prominente. Electrocardiograma: crecimiento biauricular Bloqueo Completo de Rama Derecha. Serología positiva para Chagas. Ecocardiograma 2D-M y Doppler cardíaco: dilatación de ambas aurículas y ventrículo derecho, solución de continuidad en septum interauricular compatible con C.I.A Resonancia nuclear magnética.Se visualiza cortocircuito de dirección de izquierda a derecha. Se solicita cateterismo cardíaco derecho e izquierdo y cinecoronariografía, procedimiento no aceptado por la paciente.El tema CIA es revisado a propósito de un caso atendido en nuestra institución. Es de destacar la importancia de ser sistemáticos en el estudio de los cuadros de disnea en gerontes. (AU)


Subject(s)
Humans , Female , Heart Defects, Congenital/diagnosis , Aged
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