ResumoO concreto armado é um dos materiais de construção mais utilizados atualmente. Um dos fatores que levaram a essa preferência da esfera construtiva foi a maior durabilidade dos componentes, uma vez que o aço se protege do ambiente externo e consequentemente de uma agressividade intensa pelo cobrimento de concreto empregado/utilizado. Porém, mesmo considerando que um concreto adequadamente dosado, lançado e curado pode ser durável, casos de deterioração prematura das estruturas de concreto podem ocorrer, trazendo à tona a importância do controle dos fatores responsáveis pela degradação natural da estrutura. Dentre os fatores de deterioração, destaca-se a corrosão de armaduras, por sua elevada incidência e potencial de dano. Nas estruturas de concreto armado faz-se a utilização de espaçadores para garantir um cobrimento especificado em projeto e o consequente confinamento do aço, garantindo assim um aumento da vida útil da estrutura. Porém, a interface espaçador-concreto torna-se um ponto frágil para a entrada de agentes agressivos, como íons cloretos. O objetivo deste trabalho visa estudar a influência desta interface utilizando espaçadores de diferentes materiais. Para a viabilização do estudo, foi utilizada uma técnica de aceleração de corrosão, baseada no ensaio CAIM (Corrosão Acelerada por Imersão Modificada) com aplicação de tensão constante. Os corpos
Purpose: Prostate cancer is the most prevalent type of cancer in males in Brazil, with an increase of 29% new cases every year. Treatment may be done by surgery, radiotherapy or chemotherapy. Due to its size and diversity, the country has noticeable inequalities in the Unified Public Healthcare System (SUS). Therefore, we intend to analyze the time between malignant prostate cancer diagnosis and first treatment with possible disparities in this process in Brazil. Methods: A cross-sectional design of data collected from the Oncology Panel of DATASUS’s Hospital Information System. The study analyzes the time between diagnosis and initial treatment for malignant prostate cancer between 2015 and 2020. There were 4 intervals: the same day, 1-30 days, 31-60 days, and above 60 days. Results: The number of prostate treatments in Brazil, through the Public Health System (SUS), between January 2015 and December 2020, was 153.802. From those, 18.545 were performed the same day of diagnosis; 11.025 in the 1-30 days interval between diagnosis and treatment; 19.960 in the 31-60 days interval and 104.272 above 60 days. Hence, 49.530 (32,2%) treatments were performed within 60 days and 104.272 (67,8%) were performed after 60 days of diagnosis. Conclusion: The Brazilian Law stipulates that the care must be provided within 60 days of diagnosis. However, the results of this study shows there is a significant delay in this system, which affects the morbimortality of the majority of patients subjected to postponements. As a result, it is essential to determine the extent of these consequences to improve the management and execution of malignant prostate cancer treatments. Citation Format: Luiza Seixas de Sá Beltramo, Fernando Azambuja, Pedro Antonio Paludo Menna Barreto, Pedro Arthur Zimmer Silveira, Laura Tibola Marques da Silva, Lucas Kieling, Rafaela de Andrade, Arthur Minas Alberti, Gabriele Eckerdt Lech. Comparative Analysis of Time Between Diagnosis and First Treatment of Malignant Prostate Cancer in the Brazilian Public Health System (SUS) [abstract]. In: Proceedings of the 11th Annual Symposium on Global Cancer Research; Closing the Research-to-Implementation Gap; 2023 Apr 4-6. Philadelphia (PA): AACR; Cancer Epidemiol Biomarkers Prev 2023;32(6_Suppl):Abstract nr 23.
Purpose: According to the National Institute of Cancer (INCA), people with lighter skin tone have a higher chance of being stricken by Nonmelanoma skin cancer. Still, according to the same institute, this cancer is the most frequent tumor for both genders in Brazil. Therefore, it’s important to measure how impactful this risk factor is in Brazil. Methods: In this analysis, the data about the diagnosis of nonmelanoma skin cancer between the years of 2013 to 2021 in the different regions of Brazil was captured using the DATASUS Oncology Panel as data source, through the TABNET system. Also the data about the resident population of each region by color and race uncovered in the last census realized by the Brazilian Institute of Geography and Statistic (IBGE) in 2010 has been collected. This information has been correlated with the statistics about the tumor, using the Pearson coefficient as the method to measure the relation between these two variables. Results: The region that has the highest number of white people is the southeast region, with 44.152.518 people, followed by the south, with 21.456.204. The region with the lowest number of white habitants is the north region, with 3.686.144 individuals. The number of diagnoses of nonmelanoma skin cancer between the years of 2013-2021 follows a similar logic, with the highest number of cases in the southeast and south region (88.851 and 70.046 respectively). In this way, correlating both variables it has been found a determination coefficient (r2) of 0.943 and a p-value= 0.016, that demonstrate the significance of the relation. Conclusion: It’s evident that a direct relation between the number of nonmelanoma skin cancer diagnoses and the population of white skin per location in Brazil exists, as indicated by relevant value of the determination coefficient founded (r2 = 0.943), as well as the p-value < 0.05. So, the data show that, in Brazil, the lighter skin tone is an important risk factor associated with the tumor referred to, being this information important to subsidize future campaigns to prevent the disease. Citation Format: Arthur Minas Alberti, Lucas Kieling, Pedro Antonio Paludo Menna Barreto, Pedro Arthur Zimmer Silveira, Rafaela de Andrade, Fernando Azambuja, Luiza Seixas de Sá Beltramo, Gabriele Eckerdt Lech, Laura Tibola Marques da Silva, Maria Eduarda Corrêa Pereira. Comparison Between the White Skin Color Distribution on the Brazil and Diagnoses of Nonmelanoma Skin Cancer [abstract]. In: Proceedings of the 11th Annual Symposium on Global Cancer Research; Closing the Research-to-Implementation Gap; 2023 Apr 4-6. Philadelphia (PA): AACR; Cancer Epidemiol Biomarkers Prev 2023;32(6_Suppl):Abstract nr 24.
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