Citas bibligráficas
Pichilingue-Febres, A., Arias, M. (2019). Factores asociados a supervivencia global al año y 5 años en mujeres con cáncer de mama metastásico atendidas en el Instituto Nacional de Enfermedades Neoplásicas entre los años 2009-2012 [Tesis, Universidad Peruana de Ciencias Aplicadas (UPC)]. http://hdl.handle.net/10757/648796
Pichilingue-Febres, A., Arias, M. Factores asociados a supervivencia global al año y 5 años en mujeres con cáncer de mama metastásico atendidas en el Instituto Nacional de Enfermedades Neoplásicas entre los años 2009-2012 [Tesis]. PE: Universidad Peruana de Ciencias Aplicadas (UPC); 2019. http://hdl.handle.net/10757/648796
@misc{renati/386619,
title = "Factores asociados a supervivencia global al año y 5 años en mujeres con cáncer de mama metastásico atendidas en el Instituto Nacional de Enfermedades Neoplásicas entre los años 2009-2012",
author = "Arias Linares, Miguel Ángel",
publisher = "Universidad Peruana de Ciencias Aplicadas (UPC)",
year = "2019"
}
Background: Breast cancer is the most prevalent neoplasia and main cause of death due to cancer among women, worldwide and in our country. Its metastatic form is one of the main contributors to breast cancer mortality. The study goal is to evaluate which factors are associated to five-year overall survival (OS) in Peruvian women with metastatic breast cancer treated at INEN 2009-2012. Methods: Retrospective cohort with survival analysis using medical charts review. We included women ≥18 years old with metastatic breast adenocarcinoma confirmed at INEN between January 2009 and December 2012. Follow-up was until death or five years after diagnosis of metastatic disease. OS probabilities were compared using Kaplan-Meier curves and Log Rank test. Crude and adjusted Hazard ratios (aHR) were obtained applying Cox regression. Results: 320 patients were included. Mean age was 52.6. Median follow-up was 569.5 days. Five-year OS was 16.6% (12.7-20.8%). All-cause death was associated to ECOG 2-4 (aHR: 2.21; IC95% 1.65-2.97), brain metastasis (aHR: 1.90; IC95% 1.39-2.60), subtypes Her2 (aHR: 2.40; IC95% 1.74-3.29) and Triple-negative (aHR: 2.37; IC95% 1.66-3.37), primary surgery after metastasis (aHR: 0.37; IC95% 0.25-0.56), chemotherapy (aHR: 0.51; IC95% 0.35-0.73), and radiotherapy (aHR: 0.52, IC95% 0.39-0.71). Conclusions: Five-year OS for metastatic breast cancer in our center was lower than in other countries. Poor functional status, brain metastasis, molecular subtypes Her2 and Triple negative were risk factors for all-cause death. Surgical treatment of primary tumor (even after metastasis), chemotherapy, and radiotherapy were associated to lower mortality risk.
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