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  • Title: Gender aspects in heart failure. Pathophysiology and medical therapy.
    Author: Regitz-Zagrosek V, Lehmkuhl E, Lehmkuhl HB, Hetzer R.
    Journal: Arch Mal Coeur Vaiss; 2004 Sep; 97(9):899-908. PubMed ID: 15521484.
    Abstract:
    Gender differences in the syndrome of heart failure (HF) occur in etiology and pathophysiology and lead to differences in the clinical presentation and course of the syndrome. In addition, gender specific treatment responses and gender associated differences in the behavior of treating physicians are found. Hypertension and diabetes play a major role as causes of HF in women and both interact in their pathophysiology with the renin angiotensin system (RAS). Modulation of the RAS by estrogens explains specific differences between pre- and post-menopausal women and men. Myocardial growth processes and myocardial calcium handling are differentially regulated in female and male myocytes. Myocardial remodeling with age and as a consequence of mechanical load differs in women and men. For yet unknown reasons, HF with preserved systolic function seems to be more frequent in women than in men and the clinical course of systolic HF is different in both genders. Medical therapy in heart failure has usually not been specified according to gender and gender specific analysis has been neglected in most large survival trials. Only a post-hoc analysis of gender differences led to the recognition of increased mortality with digitalis therapy in women. Single studies on angiotensin converting enzyme inhibitors (ACEI) or beta-receptor blockers did not reach significant end points in women whereas meta-analyses showed overall positive effects. Side effects of ACEI are more common and pharmacokinetics of beta-blockers are different in women. Angiotensin receptor blockers (ARB) are equally well tolerated in women and men. RAS inhibition may be particularly advantageous in postmenopausal women in whom the natural modulation of the RAS by estrogens is lost.
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