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  • Title: Remodeling of left ventricular geometry and function induced by lacidipine and nifedipine SR in mild-to-moderate hypertension.
    Author: Sheiban I, Arosio E, Montesi G, Tonni S, Montresor G, Lechi A.
    Journal: J Cardiovasc Pharmacol; 1991; 17 Suppl 4():S68-74. PubMed ID: 1726011.
    Abstract:
    The effects of nifedipine SR and lacidipine on blood pressure, left ventricular (LV) hypertrophy, and diastolic function were evaluated in 15 male patients (mean age of 45 +/- 8 years) with mild-to-moderate hypertension. Clinical evaluation and complete echocardiography were performed at baseline (after 15 days of washout). Seven patients received nifedipine SR (20-40 mg twice daily) and eight lacidipine (4-6 mg once daily). Clinical evaluation and complete echocardiography studies were repeated after 1 and 6 months of active treatment. In addition, full echocardiographic evaluations were carried out in 10 normotensive subjects (for comparison). Results were similar with either drug. After 1 month of therapy, systolic and diastolic blood pressures were significantly decreased (p less than 0.05); after 6 months of therapy, further changes were observed, confirming their significance. Analysis of our data suggests that (a) mild essential hypertension induces early modifications of LV geometry with consequent LV diastolic function characterized by a prolonged and incomplete diastolic filling; thus, LV wall thickness may be increased with a simultaneous reduction in LV end-diastolic short-axis diameter and volume; and (b) antihypertensive treatment with calcium antagonists such as nifedipine SR and lacidipine leads to early normalization of LV geometry and diastolic function without a significant change in total LV mass.
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