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  • Title: [Antihypertensive treatment and left ventricular hypertrophy].
    Author: Agabiti-Rosei E, Muiesan ML, Rizzoni D.
    Journal: Ann Ital Med Int; 1993 Oct; 8 Suppl():97S-103S. PubMed ID: 8117529.
    Abstract:
    Left ventricular hypertrophy in arterial hypertension can be considered as an adaptive response of the heart to the increased afterload, in order to reduce wall stress; however, cardiac hypertrophy can also represent the first step toward a pathological process that leads to the development of congestive heart failure. Epidemiological studies have documented that left ventricular hypertrophy in essential hypertension represents an independent risk factor for cardiovascular morbidity and mortality. The possibility of reversing, or even preventing, left ventricular hypertrophy through a reduction in elevated blood pressure values and modification of some other pathogenetic factors should represent a major therapeutic need in the treatment of hypertensive patients. It has been demonstrated that different classes of antihypertensive drugs do not have the same effect in reducing left ventricular mass, probably because beyond control of blood pressure, the pharmacological interference with adrenergic system, the renin-angiotensin-aldosterone system or other growth factors can influence the development and the reduction of cardiac hypertrophy. Two recent meta-analyses of the principal regression studies have shown that ACE-inhibitors, followed by calcium antagonists and drugs capable of reducing sympathetic nervous system activity, are more effective in decreasing left ventricular mass. The results of experimental and clinical studies have demonstrated that the reversal of cardiac hypertrophy is associated with an improvement of the functional consequences of an increased left ventricular mass. Further studies are needed in order to verify whether the reversal of left ventricular hypertrophy per se increases survival in essential hypertensive patients.
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