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  • Title: Heart failure and its treatment in women. Role of hypertension, diabetes, and estrogen.
    Author: Regitz-Zagrosek V, Lehmkuhl E.
    Journal: Herz; 2005 Aug; 30(5):356-67. PubMed ID: 16132238.
    Abstract:
    Large differences exist between women and men in the syndrome of heart failure (HF). In contrast to men, hypertension and diabetes represent the major risk factors for development of HF in women and hypertension is also the major cause of left ventricular hypertrophy and stroke. Left ventricular hypertrophy in women increases the risk for mortality to a higher degree than it does in men. The clinical course of HF is generally more benign and more frequently characterized by HF with preserved systolic function. Estrogen receptors are present in the human heart. Based on data from rodent models, they are believed to modulate hypertrophy and the progression of HF. Some of the signaling pathways have been described and involve phosphorylation of intracellular kinases and production of nitric oxide. Interestingly, estrogen receptors are upregulated in human hypertrophy and HF. The clinical course of HF in women is characterized by the more frequent occurrence of diastolic HF. Myocardial remodeling with age and, as a consequence, of mechanical load is different in both genders. Adherence to guidelines in the diagnosis and treatment of HF is less strict in women than in men, leading to undertreatment with inhibitors of the renin-angiotensin system. Women are generally underrepresented in clinical trials in HF and gender-specific analyses have been neglected in most older large survival trials. In some of the large survival studies angiotensin-converting enzyme inhibitors or beta-receptor blockers did not reach significant endpoints in women. However, meta-analyses show overall positive effects for these groups of substances. Angiotensin receptor blockers were effective in large studies including high percentages of women.
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