Obesidad y resistencia a la insulina como factores de riesgo en el cáncer de mama
Date
2016-12-20Author
Zacharzewski, Carolina Leslia
Tibolla, María Marinela
Marquez, Nora G.
Martin Talavera, Bibiana
Insaurralde, Carlos F.
Arce, Carlos Omar
Lorenzati, María Angélica
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Este trabajo tiene como propósito evaluar cómo incide la obesidad y resistencia a la insulina sobre el desarrollo del cáncer de mama en mujeres menopáusicas y no menopáusicas.Se estudiaron 101 pacientes; 49 mujeres con cáncer de mama, y 52 controles pareadas por edad. Se determinaron niveles de glucemia e insulina, HOMA y el Índice de masa corporal (IMC).El 67% de las pacientes con cáncer se hallaba en etapa menopáusica y el 33% restante, en etapa pre-menopáusica o reproductiva.Las pacientes con cáncer presentaron un valor de HOMA mayor (mediana= 2,26, RI= 1,29-4,46) que las pacientes sin cáncer (mediana=1,76, RI= 1,37-2,43), con valor p=0,018.En las mujeres con cáncer, 36,7% eran normopesas, 42,9% tenían sobrepeso y 20,4% eran obesas, observándose diferencia significativa respecto a la muestra control, y un IMC superior en las premenopáusicas. El incremento del HOMA aumentaría un 33% el riesgo del CaM. The aim of this paper is to evaluate how Obesity and Insulin Resistance affect the development of breast cancer in menopausal and no menopausal women.A total of 101 patients were studied; 49 women with breast cancer, and 52 controls matched by age. Glucose and insulin levels, HOMA and BMI (body mass index) were determined. The 67% of cancer patients was at menopausal stage and the remaining 33% in premenopausal or reproductive stage. The cancer patients had a higher HOMA value (median = 2,26, IR=1,29-4,46) than non-cancer patients (median = 1,76, IR= 1,37-2,43) with p-value 0,018. Among women with cancer, 36,7% were normal-weight, 42,9% were overweight and only 20,4% were obese, observing significant differences with regard to the control sample, and a higher BMI in premenopausal women. The HOMA increase, would raise breast cancer risk by a 33%.
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