Incidence and hospital mortality due to heart failure. Are there any differences by sex?Background: Gender may influence the incidence, severity and hospital mortality due to heart failure (HF) (19.1 and 15.9% respectively, p < 0.01). Hospital mortality was also higher in women (9.7 and 8.6% respectively, p = 0.03). The factors associated with a higher hospital mortality were an age over 80 years (Odds Ratio (OR) 2.11; p < 0.01), a length of stay over seven days (OR 1.13; p = 0.04), being admitted to high complexity facilities (OR 1.29; p = 0.01) and being insured by the public national health fund (OR 1.94; p < 0.01). Conclusions: The incidence of hospital admissions due to HF is similar in men and women. There is high hospital mortality, especially in women. (Rev Med Chile 2017; 145: 703-709)
Oxidative stress and inflammation in heart failure: Mechanisms of damage and therapeutic alternatives (Rev Méd Chile 2007; 135: 1056-63 so hemodinámico de retención de agua y sal, sino como un síndrome complejo con importantes alteraciones neurohumorales que contribuyen a los síntomas y progresión de la enfermedad 1 .La búsqueda de terapias efectivas para IC, ha impulsado la investigación de los mecanismos fisiopatológicos subyacentes. Actualmente, la IC es vista como un fenómeno complejo resultante de la interacción de alteraciones locales a nivel del cardiomiocito (por ejemplo, trastornos en la homeostasis de calcio o de la activación de proteínas contráctiles) y alteraciones sistémicas resultantes P ese a los avances en diagnóstico y terapia, la insuficiencia cardiaca (IC) sigue siendo una de las causas más importantes de hospitalización, morbilidad y mortalidad a nivel mundial 1 .En la actualidad entendemos que la IC se produce no sólo como consecuencia de un proce-
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