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  • Title: [Presence and severity of carotid atherosclerosis in asymptomatic hypertension patients with left ventricular hypertrophy].
    Author: Guarini P, De Michele M, Tedeschi C, Accadia M, Giordano G, Corigliano FG, Corigliano GG.
    Journal: G Ital Cardiol; 1999 Aug; 29(8):910-4. PubMed ID: 10488453.
    Abstract:
    BACKGROUND AND PURPOSE: Arterial hypertension is associated with structural changes in the cardiovascular system. In hypertensives, a relationship has been found between left ventricular hypertrophy and carotid wall thickness, whereas the association with atherosclerotic plaque is less defined. The aim of this study was to evaluate the occurrence and severity of carotid atherosclerosis in hypertensive patients with or without left ventricular hypertrophy (LVH). MATERIALS AND METHODS: We studied 122 hypertensive subjects (62 men and 60 women), aged 60.1 +/- 12.1. Subjects were considered to have left ventricular hypertrophy if their left ventricular mass index (LVMI) at echocardiography exceeded 110 g/m2 in women and 135 g/m2 in men. Carotid intima-media thickness (IMT), external diameter and atherosclerotic plaques were evaluated by high resolution echo-color Doppler. RESULTS: IMT in both common carotid and bifurcation was significantly greater in hypertensives with LVH (p < 0.01), whereas external diameter did not differ significantly in the two groups. Increased presence (73.4 vs 32.8%) and severity (18.7 vs 5.2% for stenosis > 40%) of atherosclerotic plaque were found in the hypertrophic group. A weak but significant association was present among left ventricular mass index, ventricular wall thicknesses and carotid intima-media thickness, and plaque. CONCLUSIONS: In asymptomatic hypertensive subjects, LVH is associated with an increased risk of plaque formation and progression. Vascular hypertrophy may represent a distinct prognostic factor in hypertension and the association of cardiac and vascular hypertrophy may identify a group at high risk of future cardiovascular events.
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