New insights into the relationship of left ventricular geometry and left ventricular mass with cardiac function: A population study of hypertensive subjects

European Heart Journal
Navtej S ChahalR Senior

Abstract

Remodelling of the left ventricle (LV) is associated with adverse cardiovascular events, but the mechanisms of these effects remain undefined. We investigated the relationship of LV mass and geometry to LV function in a large cohort of hypertensive subjects. We studied 1074 hypertensive individuals without cardiovascular disease recruited from the London Life Sciences Prospective Population (LOLIPOP) study. All subjects underwent echocardiography for derivation of LV mass index (LVMI), measurement of transmitral filling pattern, and LV ejection fraction (EF). The tissue Doppler parameters of peak myocardial systolic velocity (Sa), diastolic velocity (Ea), and of LV filling pressure (E/Ea) were measured. Left ventricular function was correlated with degree of concentric remodelling, determined by relative wall thickness, and with LV geometric pattern. The presence of LV hypertrophy was independently associated with significantly worse systolic function, diastolic function, and higher LV filling pressure when compared with subjects with normal LV geometry or non-hypertrophic concentric remodelling. After adjustment for covariates including LVMI, peak Sa velocity and EF increased (P < 0.001), whereas peak Ea velocity decreased sig...Continue Reading

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