Use este identificador para citar ou linkar para este item: https://repositorio.unimontes.br/handle/1/683
Título: Estudo da sobrevida de mulheres com câncer de mama atendidas em um Centro Unificado de Tratamento do Câncer em Montes Claros - MG, Brasil
Autor(es): Reis, Cláudia Pereira
Orientador(ra): Coelho, Bertha Andrade
Membro(s) Banca: Louzado, José Andrade
Haikal, Desirée Sant'Ana
Bauman, Claudiana Donato
Palavras-chave: Câncer de mama;Linfonodos;Tratamento;Análise de sobrevida
Área: Ciencias da Saude
Subárea: Saude Coletiva
Data do documento: 2022
Resumo: Breast cancer is the second most prevalent neoplasm among women, and is characterized by rapid, abnormal and disordered proliferation of breast parenchyma cells. In Brazil, in 2019, a total of 18,068 deaths from breast cancer in women were recorded, which determines a crude mortality rate from this type of cancer of 15.32 deaths per 100,000 women. The etiology of breast cancer is multifactorial and several factors are related to this carcinogenesis such as: endocrine changes, age, ethnicity, obesity, sedentary lifestyle, alcoholism, exposure to ionizing radiation, heredity is responsible for 5% to 10% of breast cancer cases. As an epidemiological indicator, survival is an important health planning tool, mainly because it supports clinical and care management decisions, so that scarce health resources are spent efficiently and effectively on therapies that result in better clinical prognosis, lower harm reduction and higher levels of quality of life. The objective of this study was to estimate the survival of women affected by breast cancer and identify the sociodemographic, behavioral, clinical, and therapeutic factors that are associated with the prognosis of the disease. This is a retrospective cohort study, analytical consisting of 214 women with breast cancer from 2000 to 2010. Data were collected from the medical records of patients at the Unified Cancer Treatment Center - Hospital Oncovida de Montes Claros, MG, with follow-up until September 2020. The survival function was estimated by the Kaplan Meier Method and the cumulative survival probability curves, according to the type of treatment (conservative and non-conservative) were compared using the log-rank test at a significance level of 0.05. To identify the factors associated with the survival of women, the crude and adjusted analysis was performed using the Cox proportional hazards model. In the multiple analysis, adjusted hazard ratios were estimated, with the intent of identifying the effect of treatment on women's survival, at the 0.05 significance level. The overall survival of the study after diagnosis and stratified by type of treatment was 78.9% for women treated conservatively and 30.5% for non-conservative treatment. The variables that influenced the negative prognosis and decreased survival of women were: non-conservative treatment (HR=3.56; 95%CI 1.28 - 9.92) and the number of lymph nodes affected, which when greater than 3 increases the risk of shorter survival by more than three times (HR = 4.08; 95%CI 1.64 - 10.14). The results indicate that conservative treatment and the number of lymph nodes affected at diagnosis are associated with survival in women with breast cancer.
URI: https://repositorio.unimontes.br/handle/1/683
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