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Rev. bras. mastologia ; 27(1): 15-20, jan.-mar. 2017. ilus
Article in Portuguese | LILACS-Express | LILACS | ID: biblio-831744

ABSTRACT

Objetivo: Realizar uma revisão sistemática da literatura e uma análise crítica sobre o uso da terapia hormonal associada ao risco de câncer de mama. Métodos: Revisão sistemática de literatura, por meio das bases de dados PubMed e Periódicos Capes, entre o período de 1995 e 2016, utilizando as palavras-chave "breast cancer", "breast cancer risk", "hormone replacement therapy", "bioidentical hormone replacement therapy" e "natural hormone replacement therapy". Resultados: Os sete artigos escolhidos mostraram forte relação da incidência do câncer de mama com fatores hormonais, mas existem divergências entre os estudos. O WHI EP trial, o LIBERATE trial e o HABITS trial demonstraram aumento da incidência e recidiva do câncer de mama com uso hormonal, enquanto o WHI E alone trial, o Stockholm trial, o DOPS study e o LIFT study obtiveram resultados opostos. Conclusão: Atualmente, a terapia hormonal sintética é controversa em quem não tem história de câncer de mama, mas contraindicada nas sobreviventes e naquelas com fortes fatores de risco para desenvolvimento do câncer. Os riscos do uso de hormônios bioidênticos permanecem incertos. Nas mulheres sem fatores de risco associados, a terapia hormonal é sugerida por, no máximo, cinco anos.


Objective: This study aimed at performing a systematic literature review and a critical analysis of the use of hormone replacement therapy associated with the risk of breast cancer. Methods: Systematic review of literature by means of databases PubMed and Periodicos Capes, in the period between 1995 and 2016, using the keywords "breast cancer", "breast cancer risk", "hormone replacement therapy", "bioidentical hormone replacement therapy", and "natural hormone replacement therapy". Results: The seven chosen articles demonstrated strong relationship between the incidence of breast cancer and hormonal factor; however, discrepancies among the studies were found. The WHI EP trial, LIBERATE trial and the HABITS trial demonstrated increased incidence and recurrence of breast cancer with hormone use, whereas the WHI E alone trial, the Stockholm trial, the DOPS study and the LIFT study obtained opposite results Conclusion: Currently, synthetic hormone therapy is controversial for those who have no breast cancer history, but contraindicated in survivors and those with strong risk factors for breast cancer development. The risks of using bioidentical hormones remain uncertain. In women with no risk factors, hormone therapy is suggested by a maximum of five years.

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